bluuebunny/crossref_metadata_2025 huggingface dataset:
AIRCRAFT CONTROL LAW RECONFIGURATION
Authors: Kosyanchuk Vladislav , Selvesyuk Nikolay , Kulchak Alexey
Published: March 2015

The synthesis of MIMO fault-tolerant control systems under control failures is considered. The solution is written in an analytical form, which makes it possible to synthesize simplified circuit implementations and adjust coefficients of the fault-tolerant control system in the case of a non-stationary object. А nonlinear medium-range aircraft model was used to verify the results.
RESOURCE ALLOCATION IMPROVEMENT IN THE TASKS OF AIRPORT GROUND HANDLING OPERATIONS
Authors: Marintseva Kristina , Yun Gennadiy , Kachur Sviatoslav
Published: March 2015

It is a global trend for the airport ground handling market to become liberalised. Fiercer competition lead to the necessity to improve efficiency and minimise costs. A mathematical model of optimal resource allocation by aircraft ground handling company using duality theory has been suggested. The numerical results for the solution of the task under the question which were obtained with the relevant software package, proved validity of the specified theoretical preconditions and allowed to improve the work schedule of the experimental aircraft ground handling company in accordance with a specified efficiency criterion.
MEASUREMENT AND ESTIMATION OF THE ANGLE OF ATTACK AND THE ANGLE OF SIDESLIP
Authors: Popowski Stanisław , Dąbrowski Witold
Published: March 2015

The paper presents issues concerning the estimation of the angle of attack and the angle of sideslip on a flying object board. Angle of attack and sideslip estimation methods which are based on measurements of linear velocity components of an object with the Earth’s coordinates and on attitude angles of the object are presented. Both of these measurements originate from the inertial navigation system, and velocity measurement is obtained from the satellite navigation system. The idea of applying inertial and satellite navigation for the estimation of attack and sideslip angles is presented. Practical comparison of these estimation methods has been conducted based on logged parameters of a flight onboard a Mewa aircraft. Development proposals for these methods are presented as well.
A CONCEPT OF A POWER ELECTRONIC CONVERTER FOR A BLDC MOTOR DRIVE SYSTEM IN AVIATION
Authors: Sobczynski Dariusz
Published: March 2015

Realisation of a high-speed drive using a BLDC motor, especially that of low and medium power and with rotational speed of up to 40 000 rpm designed for use in aviation appliances, became possible due to rapid progress in electronic power control technology. An increase of both capability and diversity of electronic power circuits results from the increase of semiconductor element voltage and current operational ranges simultaneously with the improvement of their dynamical parameters, as well as from application of up-to-date microprocessor and programmable circuits for control purposes. Choice of topology for a drive system to be used in aviation appliances, including the electronic power converter, is based on the following quality and economy-related criteria: single-phase supply and sinusoidal waveform of power network current; high efficiency and reliability; small overall dimensions; minimum number of semiconductor elements; and low price. Various technical solutions are possible here, concerning both the scope of the power circuit and the control system.
La circulation monétaire en Flandre wallonne au lendemain de sa conquête par Louis XIV
Authors: Jambu Jérôme
Published: March 2015

La question monétaire, l’une des seules relatives au rattachement de la Flandre wallonne au royaume de France par le traité d’Aix-la-Chapelle qui n’ait pas encore été étudiée, est le sujet de cet article. Après avoir établi la physionomie de la circulation monétaire et le cours des espèces pour les premiers mois de l’installation française, le programme de Colbert de « franciser » le monnayage dans cette contrée est présenté ainsi que les dispositions prises par la monarchie pour y parvenir, à commencer par la participation des représentants des autorités locales qui semblent déjà supplantés par les officiers parisiens.
Le monnayage de Louis XIV spécifique à la Flandre française (1685-1705). Catalogue raisonné des espèces frappées
Authors: Charlet Christian
Published: March 2015

Les conquêtes territoriales dans le nord avaient entraîné le rattachement au royaume de « pays conquis » cédés par l’Espagne. Par dérogation à la règle qui imposait l’usage de la monnaie royale dans les nouveaux territoires, ces pays bénéficièrent d’une tolérance des espèces espagnoles malgré les décris royaux renouvelés. En 1685 toutefois, après y avoir songé à plusieurs reprises, le gouvernement royal mit en œuvre le projet du contrôleur général des Finances Le Pelletier de créer une série d’espèces d’argent spécifique aux « pays conquis » dite « pièces de Flandre », frappées de 1685 à 1705, un atelier monétaire étant spécialement ouvert à cet effet à Lille.
Le collège des monnayeurs, ajusteurs et tailleresses de la Monnaie de Lille (1685-1790)
Authors: Clairand Arnaud
Published: March 2015

Les officiers des ateliers monétaires (directeurs, juges-gardes, graveurs ...) sont connus et ont déjà fait l’objet de nombreuses publications, notamment pour la Monnaie de Lille. Les ouvriers en revanche, c’est-à-dire ceux qui fabriquaient la monnaie, composés des monnayeurs, ajusteurs et tailleresses, souffrent d’un vide historiographique que cet article tente de combler, à travers l’exemple lillois. De leur condition de nomination, qui évolua de charge vénale à héréditaire, à leurs fonctions et conditions de travail en passant par leurs privilèges, querelles et conflits, on comprend mieux la vie des hommes et des femmes qui travaillaient dans cet espace clos et protégé qui délivrait la monnaie du roi.
Influencia del tratamiento «a fuego» en las características del estuco tradicional con cal
Authors: González-Yunta F. , González-Cortina M. , Lasheras-Merino F.
Published: March 2015

Esta investigación avanza en el intento de recuperar la técnica tradicional del estuco a fuego, paradigma de la decoración de espacios interiores hasta la mitad del s. XX por sus imitaciones marmóreas de gran calidad. Para ejecutarlos se utilizaban morteros de cal con áridos de mármol, pigmentos minerales y grasas; con estos materiales se preparaban y tendían las masas, se pintaban al fresco y se terminaban con el paso de una herramienta metálica caliente.

Como sucede con otras técnicas, el paso del tiempo ha difuminado los conocimientos sobre la materia, haciendo muy difícil la conservación o restauración de los ejemplos en nuestro patrimonio. A partir de la escasa bibliografía existente se ha recuperado el proceso, sometiendo las muestras elaboradas a diferentes ensayos que han caracterizado el acabado final, tanto en sus características intrínsecas como en las que le son conferidas al proteger finalmente las muestras con una capa de cera, tal y como se realizaba tradicionalmente.
Análisis del comportamiento sísmico de construcciones rurales tradicionales de piedra: estudio de caso de una estructura de un piso
Authors: Arcidiacono C. , Porto S. M. C. , Cascone G.
Published: March 2015

Las características específicas de las construcciones rurales tradicionales pueden tener influencia en la verificación de su comportamiento sísmico. Cuando se hace necesario cambiar el uso de las construcciones rurales tradicionales, los trabajos de reestructuración deben satisfacer las normas sísmicas específicas y, al mismo tiempo, deberían preservar sus peculiaridades originales. En este artículo se ha aplicado un modelo para verificar la seguridad sísmica de mamposterías sujetas a acciones coplanarias, con el objetivo de ahondar en el comportamiento estructural de construcciones rurales tradicionales de una sola planta, hechas con mampostería de piedra, con relación a la aplicación de normativas y posibles trabajos de mejora antisísmica. Los resultados han demostrado que los mecanismos de colapso de los elementos resistentes y el método de simulación del comportamiento de los tímpanos de mampostería tienen influencia en la verificación sísmica, así como la necesidad de efectuar obras de refuerzo.
Syntax and word-specific phonetics: the origins of the allomorphs of the Galician definite article
Authors: Dubert-García Francisco
Published: March 2015

The Galician definite article seems to be a case of a ditropic clitic which, phonologically, attaches to the preceding word while maintaining direct, constitutive syntactic relations with following words. The article has three allomorphs whose selection is conditioned by the ending of the preceding word. In this paper I study the historical origins of these allomorphs. They are the result of assimilatory processes due to constraints governing the structure of the syllable and intersyllabic contact; the domain of these constraints, however, was restricted to the definite article and the 3rd person accusative clitic pronoun, leaving unaffected other words having the same phonetic sequences in apparently similar contexts. In this paper I will demonstrate the convenience of explaining the origins of these alternations by means of usage based models designed to explore the role of frequency in the emergence of grammar and facilitate the natural combination of information from the language’s semantic, syntactic and phonological components.
Measuring Ecological Values of Green Open Space Using Normalized Different Vegetation Index Parameter
Authors: Budiyanti Rully Besari
Published: March 2015

Green Open Space (GOS), as the element of urban landscape and urban design, is the main component of the city compose. Therefore, GOS has many values, one of them is ecological value. That means, if we create and develop GOS in various forms such as city parks or urban forests, we will be able to save budgets in manufacturing things to produce oxygen, water, and maintaining carbon, soil, etc. Because GOSs themselves are able to provide and produce those budgets naturally. Another way to measure the ecological value of GOS is through tree canopy spaces (TC.) The spaces are often seen at roof top of the buildings, that are canopied by tree mass. Normalized Different Vegetation Index (NDVI) method can also be used to measure and estimating the ecological value of GOS. Moreover, NDVI can illustrate and describing the distribution of TC in urban area. The paper content is about measuring the ecological value of GOS in term of saving budgets on providing oxygen and maintaining carbon by using NDVI.
The Characteristics of Residents at Low Cost Housing in Jakarta - Indonesia and their Culture to Green Principles
Authors: Nurdiani Nina
Published: March 2015

Low cost housing in Jakarta – Indonesia is provided by the government for low-income people in urban areas, in line with the program to redevelop or renew slum areas or densely populated neighborhoods for supporting sustainable living environment in urban area. Sustainable living environment will be achived if people who live in low cost housing have the culture which support and apply green principles. The purpose of research is to give knowledge about the change of life-cycle and life stage of low-income people as the first residents as long as they stay in vertical housing, and their culture to green principles. The research objectives are to determine the characteristics of residents as urban people and the factors which influenced, to know how their culture to apply green principles. The research was conducted at four low cost housing in Jakarta. The results showed that currently the families still have characters as informal-traditional, nuclear family and extended family. The residents generally are as employee or entrepreneur in informal sector, and still as low income family. Demographic, socio-culture, and economic are the factors which influenced life-cycle and life stage of low-income people as urban society. People who live in low cost housing still have traditional culture which support to green principles.
Visual Landscape Management of Scenic Peucang Island and Ujung Kulon Peninsula in Ujung Kulon National Park, Indonesia
Authors: Krisantia Ina , Mangunsong Nur Intan
Published: March 2015

National Park consists of core zone, buffer zone and utilization zone. Utilization zone can be used for recreational activities. This area has an outstanding beauty, high visibility and natural values inevitability attract development which is the potential development of physical, social, visual which can support tourism activities. This paper will discuss on study conducted to evaluate visual landscape for manage the scenic Peucang Island and Ujung Kulon Peninsula.The method comprehensive assessment in this research were used through Landscape structure, Visual Quality and Visual Resources Management.The result shown the scenic quality of UjungKulon Peninsula much better than Peucang Island. Area Cibom at Ujung Kulon Peninsula entered in the class 1 category including preservation in the management class however Cidaon and Peucang Island entered in the third class catergory including partial retention in the management class.
Brigdeheader Space for Dwell in Jakarta
Authors: Deni  , Salwin
Published: March 2015

Bridgeheader is one of the typology of low-income people in the city who assume that the house is only ‘a springboard’ for their life in the city. This group of people dwelt not far from the location of their place to work; occupying marginal spaces in the city and its environment tend to be slump. Almost all areas in the city of Jakarta have marginal spaces, therefore the government attempt to improve the quality of their houses, for example by providing low-cost housing. In fact the low-cost house which was provided by the government failed to be ‘consumed’ by the brigdeheaders at the time when the used value of the house has been turned into market value. The research aimed to determine such approaches of use value of the house that can be ‘consumed’ by the brigdeheader, but did not undermine the space in the city. Data collection methods using practical observation conducted with interviews. While the analysis using descriptive pragmatic method in four case study area in Jakarta. The findings indicate that the concept of house for this group is not determined only by the ‘low price tag’ but also ‘the way of use’ of the space contributed with the result that the house can be ‘consumed’ well.
The Integration of Universal Design in Interior Design as a Green Design Approach for Diverse Users in Malaysia
Authors: Mansor Noranita , Ibrahim Rahinah , Awang Abd Rahim
Published: March 2015

Significant changes in the world population demand interior design approach to be more usable and accessible for all people. However, the lack of awareness and misinterpretation on the “real user” during interior design process discourage the integration of Universal design (UD) in the built environment. For that reason, this study employed literature survey to identify how UD principles could support diverse users in the built environment. Then, we recognize how UD can be employed in the interior design process to meet this purpose. The results of this study contribute in recommending the integration of UD as a green interior design approach for accommodating diverse user in the Malaysian built environment.
Importance of Preserving the Non-Use Value of the Cultural Heritage: Case Study of George Town, Penang World Heritage Site
Authors: Mohd Ariffin Noor Fazamimah , Ahmad Yahaya , Alias Anuar
Published: March 2015

This paper aims to focus on the attitude and responses of the stakeholders on the importance of preserving the non-use value of cultural heritage for George Town, Penang World Heritage Site (GPWHS) conservation. This research has examined the possibilities of several attitudes of the stakeholders in explaining the importance of preserving the non-use value for the GPWHS conservation. Pearson’s Correlation and Multiple Linear Regressions were used in predicting the dependent variable using a set of several independent variables. The purpose of the correlation test was to prove whether the correlation between the dimensions of the independent variables has had any influence on the non-use value of cultural heritage for the GPWHS conservation. A face-to-face interviewing technique using the structured CV questionnaire aided by photo images-supported was applied in this survey. The numbers of completed questionnaires were 294 from local residents and 147 from tourists (domestic and foreign) in GTWHS. This paper reveals that there was a relationship between the local stakeholders’ attitude and responses on the importance of preserving the non-use value and the WTP value for the GTWHS conservation.
A Study on African Vernacular Mosque: A Lesson from Tradition
Authors: Osman Mubarak Mohamed , Hassanpour Badieh , Utaberta Nangkula
Published: March 2015

Mosques as a symbol of Islamic cities have a significant place in Islamic Architecture and it prompts architects to create admirable, magnificent buildings. While several studies have done on features and prototypes in this field but mainly it leaded to exaggerate dominance of dome as inseparable component of mosques. Although dome construction is costly, it is not that much adaptable to different climates and even it is not a good culture indicator of different countries, still there is a strong insist on presence of dome in mosques everywhere. This paper aims to study African mosque example which deeply relied on vernacular architecture. Various styles of design in Mali as case study investigated in terms of material, design concept, to arrive at concrete results.
Living Wall (Vertical Greening): Benefits and Threats
Authors: Rakhshandehroo Mehdi , Mohd Yusof Mohd Johari , Arabi Roozbeh
Published: March 2015

Sustainable development demands a significant approach between architecture and the environment. During the challenge of climate change, energy crisis and urban expansion, a new approach is required to address environmental problems and one of these approaches is vertical greening that can be categorized into green facade and living wall.Living wall systems (LWS) consist of plants and partly growing materials that have a number of beneficial functions, for example: increasing the outdoor and indoor comfort, ecological value, biodiversity, insulation properties, improvement of air quality mitigation of the urban heat island phenomenon, and psychological and social well-being of citizens. This paper focuses on different types of living wall systems as a method of sustainable development and their opportunities and threats were discussed.
Perceived Pedestrian Environment Functional Factors which are Associated with Walking in Tropical University Campus
Authors: Afsar Bijan , Mohd Yunos Mohd Yazid , Othuman Mydin Md Azree , Mohd Yusof Mohd Johari
Published: March 2015

During the last decade transportation in Malaysia has been changed and stepped forward into motorized-transportation. However, Malaysian government started to move toward sustainable society, which sustainable transportation is one of the parts. University Putra Malaysia’s (UPM) Serdang campus is mainly dependent on the personal cars and shuttle buses. Furthermore, routes in the campus mainly planned for the vehicles rather than pedestrians and cyclists. This study was trying to examinefunctional factors that encourage UPM’s students to do pedestrian activities in the campus.In this study quantitative method through questionnaire survey has selected to assess the variables on a sample of subject. The result showed that students were more looking for accessibility and connectivity, and they were more expected to have particularly pedestrian shortcuts. This research can be helpful for the UPM’s policy makers and master planners to facilitate in documenting pedestrian environment literature, as well as help urban designers and city planners to have a deeper perspective of pedestrian perceptions and opinions in tropical climate and particularly Malaysia.
Preference on Social Spaces in High Density Condominiums in Malaysia
Authors: Amini Fard Parvin , Mohd Shariff Mustafa Kamal , Mohd Yunos Mohd Yazid , Othuman Mydin Md Azree
Published: March 2015

People are interested to spend their leisure time in spaces where variety of activities take place so more users are attracted to such spaces.Living environments lacking inappropriate social spaces, resulting poor social interaction have been causing psychological problems as well as issues on security and safety and matters with sense of belonging to the environment. This paper focuses on residents’ preference on character of spaces for social interaction in their condominiums. This study employed questionnaire surveys for selected condominium residents in Kelang Valley, Malaysia. The study found that limitations, cumbersome rules, as well aspoor connectivity of spaces have caused people to prefer outdoor social spaces where they can have free activities,view other people activities and half hear them.
Spiritual Values in Urban Residential Garden: A Mitos or Reality?
Authors: Ismail Nor Atiah , Mohd Yunos Mohd Yazid
Published: March 2015

This paper explains parts of the findings from the overall research entitled Landscape Alteration in Urban Residential Area of Malaysia. It focuses on the spiritual aspect existed in some of the gardens in the neighbourhood. A qualitative research method has been adopted in this research. The study informs on the aspect that was believed to have been totally diminished among the local residents; giving another insights of the meaning and values of the residents alternate garden.Keywords: residential garden, spiritual value, cultural landscape
Cross-Cultural Ethnic Identity in Urban Residential Area: An Epistemology
Authors: Ismail Nor Atiah , Mohd Yunos Mohd Yazid
Published: March 2015

Aresidential landscape is one expression of the intrinsic and cognitive values of a relationship between humans and their environment. Experiential and phenomenological landscapes are established when people shape their living environment; in turn they are shaped and constructed by this living environment. Landscape alteration is one of the responses to the feelings of “outsideness” during the post-occupancy period. This paper will provide an understanding of the landscape alteration phenomenon in urban residential housing and the landscape values embodied by these altered landscapes.
Evaluating Mobility in Marketing Places for Entrepreneurial Disabled, Case Study: Central Market Area Kuala Lumpur
Authors: Fardnia Bahar , Abdul Rahman Nordin , Mohd Yunos Mohd Yazid , Othuman Mydin Md Azree
Published: March 2015

This article is about evaluating the easy mobility in selected KL busy market places for understanding the potential of these places for disabled’s to work there independently. In this subject, mobility and safety are the tree main categories for disables to go out. Interview and observation are two methods which have been used, then supported them with photos. The results show there are many weaknesses for making the marketing places disables friendly. There are many famous and traditional marketing areas in KL which they can give opportunity to disables to start their own business. Therefore, they should define new standards to do some renovation and make new maintained schedule to give more chance to disables for starting their own independent life.
Landscape Architects’ Perspective on Public Participation Technique in Landscape Planning and Design: A Case Study of Kuala Lumpur
Authors: Mohd Yunos Mohd Yazid , Mohd Isa Nor Kalsum , Hillier Jean , Ismail Nor Atiah
Published: March 2015

Public participation in landscape planning and design in Malaysia is in its beginning stage. Despite efforts made by researchers, public participation in landscape planning and design facing various issues, viewed by urban designers, landscape architects and scholars with numerous degree of unsuccessfulness. The objective of the study was to examine the applicable public participation technique that might solve the existing issues and weaknesses of public participation in landscape planning and design.Datuk Keramat Lake Garden was selected as a case study. Instruments employed were semi-structured interviews of an expert.The experts who involved in public participation in landscape planning and design have been interviewed to obtain their opinions about the existing public participation in Kuala Lumpur. The most important contributions of the study are related to highlight a better technique of participation technique to be incorporated into landscape development process in Malaysia as well as a tool for achieving a better quality living for people.
Considering Ephemeral Monuments: Towards a Greener Architectural Theory
Authors: Budi Santosa Revianto , Prijotomo Josef , Rachmawati Murni
Published: March 2015

The existence of buildings employing perishable material, however, is often marginalized partly because architecture is primarily understood as permanent structure built to last forever. This notion is heavily supported in Western architectural theory considering “permanence” (or “firmitas” in Vitruvian term) as one of the fundamental characteristics of architecture, especially monumental architecture which is intended to be “eternal”. To construct a permanent architecture, in general, requires greater amount of resources compared to the ephemeral. The marginalization of ephemeral architecture causes the depletion of resources due to the effort to make most of the buildings permanent since only those which withstand the ravage of time are deemed valuable as architecture This paper explores some meaningful pieces of architecture having values of monuments in Java yet they are constructed as ephemeral architecture requiring periodical renewal. The discussion on these ephemeral monuments will focus on the way perishable material is composed, the way renewal actions are conducted and the meaning of the monuments for their people are enhanced by these actions. In the conclusion, some criticism towards mainstream architectural theory is addressed by including ephemerality in the notion of [monumental] architecture so that we may proceed towards greener architectural theory in which the ephemeral has respectable roles.
Parametric Visualization Tools for Land Use Planning towards Improved Green City
Authors: Sjarifudin Firza Utama
Published: March 2015

This research proposes a parametric model to be applied in the process of green building design that integrates particular city land use regulations and provide visual feedback to the architect about the setback information, profiles, and Floor Area Ratio that could be integrated with their solutions. In addition, through the use of real-time geospatial inputs, parametric models will add specificity to the site coordinate accounting, neighboring parcels, and land use designation in the solution. Two parallel streams simultaneously investigated, one that checks the local conditions of a single plot and a more global urban conditions considered.
Landscape Heritage Conservation along Sanur Beach Borderline in Bali: Perspectives of the Local Government and Visitors
Authors: Anggraini Prajnawrdhi Tri , Karuppannan Sadasivam , Sivam Alpana
Published: March 2015

Bali is well known as the Paradise Island on the earth. Its unique landscape and culture attract large number of tourists from all over the world. Due to large number of tourist’s inflow several new developments are taking place in Denpasar city to support tourism activities especially in the tourism zone. Sanur beach attracts thousands tourist each year, and the new development of this beach is undeniable. The beach borderline has been declared as one of the cultural heritage in Bali, where the traditional Hindu ceremony took place. But nowadays, the border has interrupted with commercial activity for tourism purposes. Based on empirical research which employed a case study of public open space along the beach, the paper draws on the Balinese experiences with particular reference to Sanur Beach. This paper explores the perception of two different stakeholders with the practices on use of public open space. It argues that global economic have raised new issues for decisions relating to ownership and management of public open spaces and consequently brought effects on cultural heritage. This is reflected that role of government, private sectors involvement and the local community should be urgently improved.
Appraisal of Thermal Comfort of Paper Waste as Wall Element in Building
Authors: Fikriarini Muchlis Aulia , Aziiz Akhlis Diinal , Ishomuddin Muhammad , Barata Agus
Published: March 2015

There are too many waste that has the capability in undermine the environment, including paper waste. The unused paper waste collected from one office only could reach two tons a year. To decrease the possibility of paper waste in ruining the environment, it can be recycled to be any usable things. One example is recycle the paper waste into paper brick as building material. Before the brick can be used, it needs to be tested whether it can create a thermal comfort or not. So the objectives of the research are to find the ability of paper brick in create thermal comfort, and compare it with the red brick that is commonly used by people. The method used in this research is field measurement using model and hygrometer as a tool. The result of the research is that the paper brick can create a thermal comfort in some hours of a day. But it turns out that it is not better than the red brick in decreasing the outside temperature. The temperature inside the building with a red brick is lower that the temperature in the building with the paper brick.
Durability Performance of Oil Palm Shell Lightweight Concrete as Insulation Concrete
Authors: Serri Eravan , Sulieman Mohd Zailan , Othuman Mydin Md Azree
Published: March 2015

This paper presents a solid agricultural solid waste, namely oil palm shell (OPS) as coarse aggregate to produce insulation concrete. This study will investigate the porosity, air permeability and thermal conductivity of OPS lightweight concrete (OPSLC). Nine mix designs were developed which comprised three OPS shapes and three volume fractions of OPS. The results indicated that increased volume fraction of OPS caused decreased durability performance and thermal conductivity. The shape of OPS is found to have significant effects to the porosity content and air permeability values. Thus, there is a strong relationship between porosity content and air permeability for all specimens. Based on the results, all specimens are found to be in the range of insulation concrete category except for specimen C-30, which has more than 0.75W/mK thermal conductivity according to RILEM requirement. The thermal conductivity of OPSLC is comparable with artificial lightweight aggregate.
The Influence of Compressive Strength of EPS Concrete Using Fiberglass with Curing and Non Curing Treatment
Authors: Hidayat Irpan , Halim Jemima Devina
Published: March 2015

Concrete is a mixture of portland cement, fine aggregate, coarse aggregate and water, with or without additives which form a solid mass. The purpose of this study was to find and innovative method of producing concrete mix from solid waste material as alternative. The alternative materials used in concrete mix was fiberglass. Material reduction in the sand on the concrete can decreases the strength until the fiberglass material added and increase the compressive strength on concrete. The composition of fiberglass that used in this study was 0%, 0.5%, 1%, 1.5%, 2%, 2.5%. The methodology used is the design of concrete mix in according to SNI 03-2834-2000. The results are concrete with the addition of EPS can reduce the density and the compressive strength of normal concrete, concrete EPS was added to increase the value of compressive strength fiberglass. The addition of fiberglass in concrete EPS only on the variable of 0.5% - 1% fiberglass, if greater than 1%, the compressive strength of concrete decreased because the material has not homogeneous concrete during mixing. The largest density value of 10% EPS concrete with fiberglass on the concrete test 28 days is the concrete EPS 10% + 0.5% fiberglass by weight of the curing process and the type of 2127.73 MPa and compressive strength are the largest and EPS concrete with compressive strength amounted to 11.277 MPa. The addition of 10% EPS can reduce the compressive strength of concrete at 3.75%. The addition of fiberglass obtained with a percentage of 0.5% - 1% is the most effective additions so as to improve the quality of concrete by 0.74%. Concrete with compressive strength has a curing system which is much better than the non-curing concrete, because concrete experience of concrete hydration reaction process which takes place optimally.
Thermal Properties of Foamed Concrete with Various Densities and Additives at Ambient Temperature
Authors: Ganesan Shankar , Othuman Mydin Md Azree , Mohd Yunos Mohd Yazid , Mohd Nawi Mohd Nasrun
Published: March 2015

This paper will focus on experimental investigation to observe the effects of different densities and additives on the thermal properties of foamed concrete by means of Hot Disk Thermal Constant Analyzer, so as to obtain a few fundamental thermal properties for prediction of its fire resistance performance. For this study, samples of three different densities of 700kg/m3, 1000kg/m3 and 1400kg/m3 and various additives were investigated to study the effects of densities and additives on the thermal properties of foamed concrete. The additives used in this research were pulverized fuel ash (PFA), silica fume, palm oil fuel ash (POFA), wood ash, polypropylene fibre, steel fibre and coir fibre. It should be pointed out that the lowest density of foamed concrete (700kg/m3) has provided best thermal insulation properties due to large amount of pores and high percentage of air entrapped because air is poorest conductor of heat than solid and liquid. Also, foamed concrete with coir fibre achieved lowest thermal conductivity because it possess high heat resistance due to its large percentage of hemicellulose and lignin and exhibited high heat capacity as well due to the formation of uniform pores and voids in foamed concrete.
Green Architecture and Islamic Architecture: The Islamic Arabic City and the Traditional Islamic House
Authors: Ali Ayat , Utaberta Nangkula , Surat Mastor , Qays Oleiwi Maryam
Published: March 2015

The concept of sustainability or green architecture is not considered a new term, it is rather a concept embodied by the traditional architecture in different parts of the world since old ages via spontaneous and experimental compatibility. This compatibility is associated with the environment and with the efficient exploitation of the resources of the natural environment in accordance with the evolution of life and its means over the years. It is obvious to everyone the fact that the teachings of the Islamic religion include a lot of the principles of sustainability, which overlap with the social organization and behavior of the humanitarian community and are reflected on the production both at the level of urban planning standards for cities and urban agglomerations or the features of the traditional architecture. This paper is an attempt to define the concept of sustainability in the references of traditional Islamic architecture, in general and housing in particular, through a review of the relationship between man and the environment and its preservation within the Islamic perspective.
Compressive Strength Improvement of Stabilized Peat Soil by Pond Ash - Hydrated Lime Admixture
Authors: Md Yusof Zeety , Mohd Harris Siti Nabillah , Mohamed Kamaruzzaman
Published: March 2015

Rapid development in Malaysia has led to urban development encroaching into the peat land area. Nevertheless, the physical properties of peat which is regarded as a problematic ground has prompted many studies on various methods of stabilization. The used of byproduct material then become a need for a sustainable environment. This paper presents the results of the unconfined compressive test of stabilized peat by admixture method. A constant composition of pond ash as byproduct material (10%) and three different contents of hydrated lime (2%, 4% and 8%) were mixed together with peat respectively. The samples were prepared in the mould and allowed for curing under 0, 14 and 28 days before the test. The experimental results demonstrated that the compressive strength and stiffness of the stabilized peat increases with the hydrated lime content and also with curing time. It indicates that the mixed of pond ash and hydrated lime can promote a better compressive strength of peat, hence become a potential admixture for stabilizing the peat.
Prefab Materials for Self Build Housing System in Malaysia
Authors: Wan Mohamed Wan Srihani , Ahmad Yahaya , Nik Mat Nik Fazlysham , Azlan Aznida
Published: March 2015

Prefabricated system has been used extensively in many developed and developing countries to provide low cost housing. There are many case studies that took the advantage of prefabricated system as part of self help approach in house construction. Prefabricated system in self help housing proved to be cost effective, provide employment opportunities, utilise low skill levels and maximise local natural resources. Malaysia is also promoting prefabricated system to be used in low cost housing provision. There are obstacles to implement such technology into the conventional construction industry. This paper investigates the possibility of adapting local resources, such as timber, into prefabricated components as a mean to promote not only modular coordination concept but also promote self build approach in the community at a lower skill labour. It is not an immediate solution to housing issues yet it provides alternatives to house the low income group and contribute to increase the supply of housing.
Affordable Onsite E. coli Testing Device for Community Engagement
Authors: Kikuchi Akira , Syafinas Muhammad , Romaidi  , Mahmood Alaa Mohammed , Putra Wira Eka , Muchtaromah Bayyinatul , Savitri Evika Sandi , Nangkula Uaberta I.A.I , bin Abd Aziz Mohd Ismail , Musa Mutah
Published: March 2015

The need for affordable onsite sensing device (AOSD) has been determined in the medical, environmental, and educational fields since mid 2000s. This article aims to explore the unique nature and definition of the AOSD, and conclusively culminated the discussion into a designed prototype trial device. The definition of AOSD was concluded as “a unique cost efficient device that can solve users’ actual small problems giving unique experimental capacity to improve their quality of life, quality of education, quality of environment, and quality of job under quite resource limited settings”. The best water hygiene indicator, E. coli, was selected as an example of analyte. A designed prototype trial E. coli AOSD showed very good performance in a community engagement program in LAO PDR.
Preliminary Study on Climate Change Biomitigation by Improving CO2 Removal and CO2 Utilization Efficiency Using Microalgae Culture in Photobioreactor
Authors: Nugroho Astri , Kardena Edwan , Astuti Dea Indriani , Dewi Kania
Published: March 2015

Culture conditions are very important to CO2 bio-fixation related with the CO2 removal efficiency through biological process by microalgae photosynthesis activities. The aim of the research was to study how high CO2 utilization efficiency could reach in mix culture that supplied high CO2 concentration (2%, 5%, and 7%) continuously from the bottom of photobioreactor. The mix microalgae culture containing of Chlorella sp, Scenedesmusobliquus and Ankistrodemus sp. were cultivated in photobioreactor with various environmental treatments i.e light intensities, light periodism and temperatures whereas the fixed CO2 gas flow rate of 8 L.min-1. The results showed that microalgae growth was best at light intensity of 4000 lux for 16/8 hours light/darkness cycling, 30°C and 5% CO2 supplied, indicated by the highest dried biomass (g.L-1), the highest Carbon content was g.d-1 and highest CO2 removal efficiency (%) that were 2.7, 11.9, 49, respectively. However the highest CO2 utilization efficiency for bio-fixation phenomenon was obtained from culture that supplied by 2% CO2 concentration, the value was almost 2 fold than 5% CO2 supplied and 4 fold than 7% CO2 concentration supplied, respectively. Biological fixation of CO2 are greatly affected by the characteristics of the microalgae strains and their tolerance to environmental conditions.
Developing Low-Carbon Awareness and Low-Carbon Behavior Framework for Tackling CO2 Emission in a City
Authors: Abdul Aziz Nor Juliana , Mohd Yunos Mohd Yazid , Ismail Nor Atiah , Othuman Mydin Md Azree
Published: March 2015

Low-carbon community (LCC) has recently attracted attention of many researchers and tackled the government attention from various countries, which ones may give different interpretations on the concept. Thus, awareness of low carbon behavior among residents should be accurately measured. But first, residents’ need to have a thorough understanding of what is the real definition of low-carbon awareness and behavior. This paper proposed an analysisof low-carbon awareness and low-carbon behavior concepts. We first divide the types of residents’ low-carbon main concepts into two categories; low carbon awareness and low carbon behavior through which the components to each category are identified. Then we provide a systematic comparison of allthree most frequently mentioned components in low-carbon awareness including low-carbon value, low-carbon attitude, low-carbon knowledge and finallyabout low-carbon behavior.The residents’ low-carbon awareness-behavior gap will then beingidentified and discussed.Finally, differences and similarities among the two residents’ concepts have been summarized.
To Develop a Greener Recycled Paper Production by Determining Potential Environmental Impacts through Life Cycle Perspective
Authors: Mohd Ghazali Nor Fadillah , Wong Siew Yien , Hamzah Sharaai Amir
Published: March 2015

A huge number of available Life Cycle Assessment (LCA) studies have shown that data availability for paper products is enormous regionally. In Malaysia, LCA practices are considered uncommon attributed to the lack of data availability and LCA practitioner itself. Therefore, a cradle to cradle study has been carried out to determine the potential impacts arise from the recycled paper production in Malaysia. LCA methodology used in this study including goal and scope definition, inventory analysis (LCI), impact assessment (LCIA) and interpretation is based on ISO 14040 and ISO 14044 framework. A series of input-output data collection has been carried out and the collected data was calculated by using Simapro software followed by data evaluation using Eco-indicator 99 method. The results showed that the most significant impacts generated throughout the system were fossil fuel and resources at the midpoint and endpoint level respectively. This can be attributed to a high consumption of chemicals and energy in the pulp and paper manufacturing process. As a consequence, a comprehensive practice in mill specifically on chemicals and resources include water and energy consumption, as well as the waste management and recycling system needs to be addressed explicitly to mitigate the relevant impacts.
Towards a Green Quail Meat Production through Life Cycle Perspective
Authors: Hamzah Sharaai Amir , Mat Zainol Mohd Zulfadhli , bin Muhammad Khairul Izzuddin
Published: March 2015

Commercial conventional of poultry production at largest scale in this country show escalation year by year, together with high demand of poultry product in Malaysia market. The aim of this research was to identify environmental impact hotspots in the whole supply chain of quail meat production in Jasin, Melaka. At present, assessment of environmental impact of poultry production in Malaysia is lacking.Therefore, this study was conducted to evaluate the energy use and environmental impacts of quail meat production in Jasin,Melaka through life cycle assessment.A cradle-to-gate assessment including distribution stage was conducted based on the ISO 14040/14044 guidelines.Life cycle inventory data was collected from farmers and available literature. Life cycle impact assessment was conducted toidentify environmental impacts using the available method in theopenLCA software.Life cycle processes related to feed production, electricity and water were identified as the major hotspots for energy and they also showed the most significant contribution in GWP and acidication potential among the environmental impacts categories. Improving efficiency of energy and water consumption will reduce the environmental burden associated with quail meat production.Thus, at the end of this research, it will able to make industry player to understand and take into consideration the solutions in order to promote a green quail meat production.
Preparation Model of Allergen Inhalant Reduction Level on House Dust in the Rural Based Built Environment Using Structural Equation Modeling Technique
Authors: Rofieq Ainur
Published: March 2015

The main principle of ecological management is on how people show efforts to improve their life quality while also improving their environment quality. By then, the attempt to reduce house dust allergen material sources is seen as a holistic environmental management movement that pays larger attention to various housing factors, such as: chemical environment, physical built, as well as biological and socio-cultural nature of house occupants. Another effort to empower community through environmental approach to manage healthy house is intended to be one of the strategies to reduce the amount of allergen inhalant material in dust the house. This effort is seen as a preventive act to reduce the spread of atopy disease as well as to be one engineering basis of healthy living management. The real unrevealed problem is how to conduct an environmental study with holistic approach in order to significantly reduce the source of allergen in the house dust. Based on this holism concept, a further and broader research needs to be conducted to deeply observe the decrease of house dust allergen inhalant level. This study aims at designing a model to reduce house dust allergen inhalant level based on its environment characteristics of the living spaces.
Carbon-Capability Framework for Malaysia: Towards Encouraging Low-Carbon Community Lifestyles
Authors: Abas Ani Shazwani , Mohd Yunos Mohd Yazid , Mohd Isa Nor Kalsum , Ismail Nor Atiah , Abdul Aziz Faziawati
Published: March 2015

Human welfare is increasingly affected by the climate change impacts where more scientific evidence has pointed to a significant human contribution as the most contributing factors. Lately, the concept of ‘carbon-capability’ has been proposed recently to get the relative meanings related to carbon and individual power and enthusiasm to cut emissions. Thus, this paper aims to present a review ofthe theoretical framework and identifies the need for more specific components underlying the community carbon-capability. This study analyzes by using content analysis and based in part on related earlier study. The paper concludes thatcommunity carbon-capability framework's ability to help in reducing climate change impactsand highlighted the vital to understanding community engagement with overall climate change issues in Malaysia.
The Influence of Land Use in Controlling Potential Damage of the Upper Brantas River Basin
Authors: Harini Sri
Published: March 2015

The Upper Brantas river basin (DAS Brantas Hulu) has natural resources such as forests, soil and water potential. If well managed will provide great benefits and can improve the welfare of society. Changes in land use are not well planned and the impact of human activities that are not true cause a reduction in water catchment areas as a causing of erosion in the Upper Brantas river basin. This study aims to gain an overview of land use, land capability and potential erosion in the Upper Brantas river basin as a basis for policy making in environmentally sound watershed management.