bluuebunny/crossref_metadata_2025_split huggingface dataset:
A review on waste materials usage as partial substitution in self-compacting concrete
Authors: Law A S L , Koh K H , Hejazi F , Jaafar MS 
Published: November 2019

Abstract
Concrete is the main component in construction which made with the present of cement, water, fine and coarse aggregate. However, conventional concrete suffer from certain deficiencies due to commercial application in construction. In order to overcome the constructability of highly congested reinforced concrete elements, self-compacting concrete is developed. Self-compacting concrete is a type of special concrete which designed to flow into the formwork without any mechanical vibration and possess the ability to consolidate by its own weight without suffering segregation. Common solution for waste disposal is the utilization of waste materials in concrete. Thus, in this review paper the advancements in developing self-compacting concrete by using waste materials such as silica fume, ground granulated blast furnace slag, fly ash, plastic wastes and recycled concrete aggregates were studied to evaluate their effect on concrete behavior.
Application of waste from steel industry to construction material: A Review
Authors: Mamdouh A. , Azizi Safiee Nor , Hejazi F. , Azarkerdar Arash 
Published: November 2019

Abstract
Concrete is material which widely used in construction projects because it has many advantages and is an inexpensive material, durable and can be molded into any shape. On the other hand, concrete has some disadvantages due to the brittle nature which made concrete also suffers from sudden failure. However, the routinely creating enthusiasm for materials by the construction business can’t be totally faced by regular resources or traditional materials. Henceforth, there is a need to create elective potential materials and innovative methods to fathom the growing requests of building development. For this reason, some research introduced Slag as ecofriendly and natural materials to reinforce the concrete. Therefore, in recent years, it has concentrated on discover alternative techniques for outline, development, and support with the motivation behind delivering naturally benevolent structures. This study will present a short review on the steel slag which covered the basic chemical characteristic and also, the potential of steels slag as an alternative building material in construction. Furthermore, discussing from the manageability perspective, the recuperation of slag is certain from all viewpoints: economically, environmentally, and socially as construction material. Therefore, this paper summarizes the progresses and points out the directions for the proper use of steel slag.
Water leak detection method in water distribution network
Authors: Ahmad Fuad Z. , Eddy H. S. , Badronnisa Y. , Syazwani I. 
Published: November 2019

Abstract
Leakages attribute to one of major component of which is of major problems in water industry. Today water leakages issued are listed in top priority in many water operator worlds widely. This study provides review of the leak detection method and technology. Leakages cause a massive cost economically and operationally. Leakages also a sign of water operator operationally efficiency. Therefore, this topic has attracted a lot of attention by the academician researcher or water industry expertise over the past years to study and lastly to invent latest technology is ease operation. In need to find the fast result and economical to determine the leakage. There are many methods to detect a leakage such as sound, acoustic, vibration, sensor, pressure, etc. We herewith studied as many useful research papers in this field and trying to address the available method to detect the leakages. Leakages will lead numeral of customer’s complaint and will reflect negative perspective of water operator operational efficiency. Hence, consumers are being the sensor to leakages that happens throughout the networks. Current technology integrated with the engineering principle, using sensors to monitor distribution networks are most recommended method and will ease the monitoring of water network systems. Real time-based sensors will notify any incidence and the algorithm will forecasted leakages before the its been visualised and notified. In this review shall include the real time-based leak detection method and wireless water network technology for references.
A Comparison Between Support Vector Machine (SVM) and Convolutional Neural Network (CNN) Models For Hyperspectral Image Classification
Authors: Hasan Hayder , Shafri Helmi Z.M. , Habshi Mohammed 
Published: November 2019

Abstract
This study presents a methodology model for the spectral classification of hyperspectral images. The applied methodology, first extracts neighbouring spatial regions via a suitable statistical support vector machine (SVM-Linear) architecture, support vector machine radial basis function (SVM-RBF) and Deep Learning (DL) architecture that comprises principal component analysis (PCA) and convolutional neural networks (CNN) and then applies a soft max classifier. PCA is introduced to reduce the high spectral dimensionality, noise, and redundant information of the input image. The SVM-Linear, SVM-RBF and CNN model is used to extract useful high-level features automatically given that it provides results comparable with each other, including hyperspectral image classification. However, because the CNN, SVM models alone may fail to extract features with different scales and to tolerate the large-scale variance of image objects, the presented methodology uses PCA optimization for spatial regions to construct features that can be then used by the SVM and CNN model to classify hyperspectral images. Experimental results obtained in the classification of the Hyperspec-VNIR Chikusei datasets show that the performance of the presented model is competitive with that of other DL and traditional machine-learning methods. The best overall accuracy of the presented methodology for the Hyperspec-VNIR Chikusei datasets is 98.84 % in SVM-RBF model.
A study on the constraints of implementing Information and Communication Technology (ICT) in Malaysian Construction Industry
Authors: Lew Y L , Toh T C , Lim K L , Yan F Y Y , Yow L P 
Published: November 2019

Abstract
Information and Communication Technology (ICT) refers to a combination of hardware, software and communication facilities. Often, ICT is introduced to equip construction stakeholders with information and analytical tools for a better control throughout the entire construction delivery process. The aim of this study is to investigate the issues relating to implementation of ICT in Malaysian construction industry with the objectives of: (i) to identify the benefits of adopting ICT in construction industry; (ii) to determine the constraints of implementing ICT in construction industry; and (iii) to identify the methods to encourage construction industry in adopting ICT. A questionnaire survey was conducted in Johor and Klang Valley of Malaysia, a total of 70 completed questionnaires were collected from contractors and quantity surveying consultation firm. Based on the analysis conducted, the top three benefits of adopting ICT in Malaysian construction industry ranked by the respondents are improvement on accuracy of measurement works, minimization on usage of paper by digitalization and allowed rapid sharing of information among project team. The barriers in implementing ICT in Malaysian construction industry identified included unaffordable initial capital and long term investment required, difficulties encountered to recruit capable and trustworthy in-house IT specialist, and security issues on confidential issues. Training and vendor’s efforts to improve their software have been agreed as the most achievable and practical methods to encourage ICT uptake. This study had explore the implementation and acceptance level of ICT in Malaysian construction industry. The views from both contractor and quantity surveying consultation firm were revealed. The findings from this study could be used as the baseline for future development of ICT in the local construction industry.
Motives for solar photovoltaic (PV) adoption in urban Nigeria
Authors: Ugulu A I , Aigbayboa C 
Published: November 2019

Abstract
Microgeneration technologies like residential solar photovoltaic (PV) systems have been shown to have immense potential for energy security and climate change mitigation. At over 50% private power systems ownership, the majority of urban Nigerian households rely on conventional self-generation utilising expensive petrol and diesel-powered generators. Despite the high upfront costs of a sizeable PV module, some households are choosing such sustainable alternative power. This paper investigates the motives for PV adoption in urban Nigeria following innovation diffusion and adoption theories. Using interviews, PV adopter data were collected on key drivers for uptake and results analysed. Field survey analysis established the key motives for uptake as power outages, energy cost-savings, including generator use fuel fraud, awareness and access to finance while key barriers include high capital costs and lack of finance. The results point to the need for regulatory and political intervention. Effective PV awareness creation campaigns and promotional strategies would also be necessary in the changing face of electricity supply in Nigeria.
Malaysian Urban Residents’ Readiness to Reduce Car Usage and their Perception on Non-Motorised Facilities.
Authors: Nasrudin N , Marzukhi M A , Abdullah Y A , Khalid N S , Abdul Wahab M 
Published: November 2019

Abstract
The research in this paper tries to establish the readiness of urban residents’ in Malaysia to minimize the car usage and their inclination to use non-motorised transport, such as cycling and walking, as alternatives to using a car for commuting. This study also tries to measure the perception of the residents regarding the existing scenario of walking and cycling infrastructure facilities provided in their cities. The data used in the study was collected through a survey in three cities, namely-Shah Alam, Batu Pahat, and Putrajaya, as a representation of the main cities in Malaysia. The results produced suggested- the majority of the population was not ready to give up travelling via car and take up cycling and walking in lieu of it. The causes listed for “refusal” of reducing the car usage included hot weather, surrounding safety concerns and undesirable pedestrian and cycling infrastructure conditions. The research explored that attitude, lifestyle and high level of dependency on cars are crucial factors dictating the travel behaviour, which is the reason why residents refuse to shift to sustainable and environment friendly options of travel. The research also suggests that these three cities need to improve and uplift their walking and cycling infrastructure facilities, especially in terms of provision of cover and shade, connectivity, design and maintenance and cleanliness to motivate the urban residents to minimize usage of the cars and take up walking and cycling instead.
Modular Construction System (MCS) in Malaysia: Mass Customization Through Combinatorial
Authors: Aziz S , Che Mohd Nasir S N , Hatrom R , Ahmad Bazuli L , Abdullah M R 
Published: November 2019

Abstract
Combinatorial is another sub-topic and sub ordinate of Golden Mean theory. This paper is part of on-going research of modular construction system (MCS) in Malaysia. Objectives of the research were to propose an appropriate scheme and concept for sustainable design for modular home based on research findings.The researcher conducted case study (Personnel Expert Interviews) to collect data of MCS in Malaysia. Proposed combinatorial design for spatial planning of home design has been carried out by the researcher at the end of analysis as design experimental yet need validation from computer science experts. Combinatorial in modular architecture is the theory of conceptual design for future building design process of MCS. The researcher discuss in details and to clarify the proportion combinatorial for MCS in aspect of building forms and arrangements through proposed combinatorial formula. In Malaysia, design technique should relate to local culture, weather, and available materials sources as mentioned by the experts. Combinatorial design of modular architecture is an alternative design for compact affordable home. This combinatorial geometry (3D module) repeated, duplicate and can be oriented in a few ways to forming combinatorial models of building design. Pattern A and B are considered to be the best in economic aspects and practicality in term of shape of green. Proposed concept possibly can improve user decision making (digital design process) e.g. building players to plan their building lifecycle projects in term of economical design, green shape, reduced construction time and cost. Thus, it may be able to promote user friendly design, fast track construction, and quality based product, less wastage and varied of design selection can be chosen of the user.
The Elderly (Senior) Housing Options Preferences Among Malaysian Generations
Authors: Ismail Hafiszah , Aziz Fatin , Abd. Wahab Maszuwita 
Published: November 2019

Abstract
Trends of changing demographics would greatly grant impact on the supply and demand for housing. Different types of populations or generations equipped with different needs and preferences which award basis for more studies mainly on the relationship between population and housing. Relevantly, the numbers of senior (elderly) population currently increasing and projected to persistently increase due to the enhancement of the health quality and lifestyle. Despite the soaring fraction of the elderly moving to a nursing home or retirement community with increasing age, the majority of the elderly age 85 and over still want to stay in their own homes (Ngarmyarm and Panichpathom, 2012). Thus, studies on senior (elderly) housing options preferences were significant to guarantee enhanced future housing provisions for this aged population. The main objective of this paper is to give an overview on the concept of aging-in-place and the preferred elderly (senior) housing options for the Malaysian generations (Baby Boomers, Generation X, Generation Y, and Generation Z). This study employs mixed methods approaches with Selangor as a case study. A sum of 1,067 respondents was contacted through drop-off, face-to-face interview, postal interview and internet survey (web-survey). The findings show that the Malaysian generations accept the concept of Retirement/Age-Restricted Community with health-care services.
Challenge of Renewable Energy Transition towards Krabi’s Sustainable Energy City
Authors: Senpong Chariya , Wiwattanadate Dawan 
Published: November 2019

Abstract
This paper is a review article collecting relevant data and information for developing a transition model towards a sustainable energy city: a case study of Krabi Province, Thailand. An expanding tourism sector in Krabi is increasing energy demand, which continues to grow year after year. Meanwhile, the energy supply of the province relies on the centralization of the southern and central regional energy system to the national grid transmission system. According to the 2018 National Power Development Plan, Krabi is projected to shift to regional grid decentralization; coupled with increasing its power generation from renewable energy with affordability and community participation. Therefore, Krabi Vision 2020, which is a provincial master plan, would lead the direction of Krabi’s plan towards energy transition. Increasing renewable energy investment and disruptive technology to secure the potential of solar, biomass, biogas, wind and mini-hydro is paving the way to shift Krabi to a sustainable energy future. The implementation of a sustainable energy transition across the province, would bring benefits for the local economy, environmental conservation, and energy security. To achieve this energy transition, Krabi requires coordination of smart policy, local and government participation, and sound planning. This review study suggests that the transition towards a sustainable energy future depends on identifying the political barriers, and the adoption of effective management practices.
Optimization of well gas rates for offshore gas-condensate field
Authors: Ermolaev A I , Nekrassov A A , Trubacheva I A 
Published: November 2019

Abstract
Condensate recovery enhancing on offshore gas-condensate fields cannot be realized using the cycling process due to significant financial costs and technical difficulties. Such a problem could be handled by the redistribution of well gas rates. This redistribution assumes the solution the following problem: maximize the total condensate production at a given time interval then gas production requirements are met. The results of solving the problem are functions, each representing the change in the well gas rate over the time. The problem is transformed to the linear optimization model so that the solution algorithms based on the linear programing theory can be applied. Their tests showed, that these algorithms easily find the solution of the optimization problem; and the condensate recovery is greater or equal than the one obtained by the optimization procedures implemented in Eclipse. The search time is an order of magnitude less than the one required by Eclipse.
Assessment of jacket-type platform stress state in corrosive environment: Case study
Authors: Starokon I , Ermakov A 
Published: November 2019

Abstract
The structural tubular elements of the offshore platform substructure work in combined conditions of bending, tension, compression and torsion loading. Evaluation of the platform stress state is an important task. Effective solution of which can be received by a CAD modelling. The real stress state of the structure depends on the characteristics of corrosion processes. Therefore, corrosion defects should be taking into account for numerical and analytical modelling to determine/predict actual state of stress of bottom fixed offshore platforms. The stress concentration factor is the real characteristic of stress value for the structural elements of the platform in the zone of corrosion. The paper deals with the methods of the actual stress state calculation for the structural elements and welded joints of stationary platform under corrosion. The features of corrosion defects are also a subject of analysis. The proposed a calculation method of stress concentration factors for the primary tubular members of platform substructure in condition of corrosion.
Synthesis and characterization of fly ash and slag based geopolymer concrete
Authors: Kallesten B , Kakay S , Gebremariam K 
Published: November 2019

Abstract
This paper presents the formulation and characterization of composite fly ash and slag based geopolymer concrete. Potassium hydroxide (KOH) and potassium silicate (K2SiO3) liquid alkaline activators were used in the preparation of the geopolymer concrete. The mechanical response of the best recipe was investigated through compressive, tensile and flexural strength tests after 3, 7 and 28 days of curing. One batch was tested for compressive strength after 16 and 32 weeks of curing. The microstructure of the concretes was characterized using scanning electron microscopy (SEM). The testing results are compared with a reference ordinary portland cement-based concrete. After 28 days of curing, test results showed that the geopolymer concretes can approach the compressive strength of the reference ordinary concrete. Moreover, the tensile strength and flexural strength attained reached up to 68% and 80% of the reference cement, respectively. The results indicated the potential application of geopolymer that can satisfy the standard strength requirement. After longer time of curing, 32 weeks, some of the geopolymer preparations exhibited 111% compressive strength, compared to the ordinary cement reference.
The influence of the composition of water on the results of accelerated aging resistance testing of low voltage subsea cables insulation
Authors: Erfurth R , Gudmestad O T 
Published: November 2019

Abstract
The composition of water changes with temperature, for instance, the saturation rate of water in polyurethane membranes is related to the temperature. Thus, it is necessary to evaluate the influence of the composition of water on absorption of water in subsea cable insulation. This paper is suggested to represent a supplement to existing standards regarding “Electrical insulation materials - properties with regard to thermal long-term behaviour.”
Application of multicriteria fuzzy clusterization approach to assess the arctic seas oil and gas field development prospects
Authors: Pivovarov K N , Zolotukhin A B , Streletskaya V V 
Published: November 2019

Abstract
The article describes a unified approach to the assessment of resources and business planning. As an example, the oil and gas resources of the Pechora Sea are considered in the paper. Based on the specifics of the problem (the quantity and quality of the available data and their nature), the methods of multicriteria fuzzy clusterization are used. The assessment of the prospects for the development of oil and gas fields was carried out using 3 criteria, namely: availability of resources (natural and climatic conditions of the region); hydrocarbon resources and their degree of exploration; economic assessment of the development. The results of such an analysis are presented in the form of maps of the Pechora Sea area, illustrating the most important and accessible areas and the sequence of their development. Such a stepwise development based on minimizing the risk and maximizing the benefits can be the basis for the successful and trouble-free development of the resources of the entire region.
Digital transformation of gas production
Authors: Dmitrievskiy A N , Eremin N A , Stolyarov V E 
Published: November 2019

Abstract
The development of the digital transformation of the gas industry in the Russian Federation is mainly aimed at unique and giant fields. These fields provide the leading position of Russia in the world gas market and about 85 % of the total volume of gas production. The regulatory and technical base, the composition of the existing standards allows us to move to the practice of introducing digital gas technologies. The creation of a unified integrated model is being completed at the Bovanenkovo field. The creation of a digital twin of a unique gas field represents the transfer of a real field into virtual space through the use of Big data analytics and supercomputer technologies.