bluuebunny/crossref_metadata_2025_split huggingface dataset:
Travel Behavior of the Engineering Students of UNHAS and UIN Alauddin in Meeting the Needs of Shopping Facilities
Authors: Osman W W , Wunas S , Arifin M , Lakatupa G , Misra  
Published: July 2020

Abstract
In the last ten years, there have been two developing universities in Gowa Regency (Faculty of Engineering, University of Hasanuddin and UIN Alauddin). Both universities are the centres of growth in housing and settlements, especially student rental houses. The development of housing has not yet been served with adequate housing/city infrastructure and facilities. The purpose of this study are: 1) to analyze the student travel behaviour in meeting their shopping needs (daily or monthly), 2) to explain the visit location of shopping facilities of those groups of student, 3) to arrange the resource development directions for environmental and sub-district development. The data were collected from field surveys, and online questionnaire using non probability sampling. The analytical method used were spatial and descriptive analysis. The results of analysis showed that the dominant student travel behaviour using a motorcycle, both for daily and periodic shopping needs. Travel behaviour always done together (two people). Behaviour movements, using motorcycles, both to the service centre in the environmental scale or district and city scale. The location of the visit is an environment scale service centre with a distance of ± 200 meters and a district or city scale service centre with a distance of > 5 km. Direction of development to support the dominant path of students using motorbikes within short reach is, provided a bicycle lane and pedestrian shade. In addition, the procurement of mass transportation to support long-distance travel to district and city-scale shopping centres. Development of sub-district service centres can be directed using the concept of mixed use and smart transportation (TOD), where the distance of the two groups of student housing is within a radius of ± 5.2 km.
Mechanical Properties of Concrete Using Plastic Waste
Authors: Irmawaty R , Parung H , Djamaluddin R , Amiruddin A A , Faturrahman M P 
Published: July 2020

Abstract
This paper presents strength and behaviour of concrete by the addition of percentages recycled waste plastic (polyethylene terephthalate-PET). Almost 60 concrete samples with a cylindrical shape of 100 x 200 mm and a prism of 100 x 100 x 400 mm were prepare. Concrete strength (compressive, indirect tensile and flexural strength) were investigated throughout 7, 14, and 28 days using 10%, 15% and 20% of PET plastic aggregate as a substitute for coarse aggregate. It is found that when the percentages of PET plastic increase in concrete, the slump value and weight of concrete decrease significantly. The compressive strength, indirect tensile strength and modules of rupture are also found to be decreased with increasing the percentages of PET plastic. The addition PET plastic more than 10%, the strength dropped drastically more than 40%. The usage of waste plastic in concrete leads to a change in the modes of failure from brittle (rapid) failure to more ductile failure.
Appraisal of Indoor Microbial Pollutants at University Research Labs and Offices under Mediterranean Climate
Authors: Abed E Y , Madhoun W A , Elmanama A A , Kim H , Xu X , Ros F C 
Published: July 2020

Abstract
Bacteria and fungi grow indoors when sufficient moisture is available. This study aims to determine the total viable bacterial count and fungi levels and to compare these levels among various science teaching laboratories and staff offices in Gaza city universities. A cross-sectional prospective study was conducted, sixty-five (65) air samples were collected from three local universities using Air Sampler. Auto Ranging Multimeter was used to record humidity and temperature. Air samples with counts of bacteria or fungi more than 500 Colony forming units “CFU”/m3 were considered polluted according to the world health organization (WHO) standards. Among the 65 samples from the three universities, 48 sample (73.8%) had more than 500 colonies/100L. In term of fungal concentration, nine samples (13.8%) exceeded the WHO standards of 500 CFU/m3. The highest percentage of bacterial load in air samples at the three universities (more than 500 CFU/m3) was at IUG with 80.8% due to its old existence, more labs and lab activities. The lowest was at AQU with 61.5% due to less lab and lab activities. The highest percentage of fungal load in air samples at the three universities also were at IUG with 19.2 % and the lowest was at AQU with 7.7%.
Phytoremediation of Fe and Mn Metal in Acid Mine Drainage Using Typha Angustifolia
Authors: Ibrahim R , Zubair A , Selintung M , Dwirachma A R 
Published: July 2020

Abstract
Coal mining activities in Indonesia are quite high and generally use the open-pit method. The problem that arises due to open mining is the presence of acid mine drainage (AMD) containing heavy metals such as Fe and Mn. The existence of heavy metals can cause water pollution and cause the death of aquatic organisms. Active processing methods that are widely used to process AMD have shortcomings, including high costs and can produce large amounts of sludge. One of the passive processing methods, namely phytoremediation method using constructed wetland system, is an alternative processing method which has advantages such as easy design, low cost of financing, and does not require expert operations, but has a fairly good ability to reduce pollutants, including heavy metals. The purpose of this study was to examine the effectiveness of a constructed wetland system in reducing Iron metal (Fe) and manganese metal (Mn) in AMD. This study was designed in a laboratory-scale research experiment by flowing AMD into a reactor that has regulated discharge and growing media. In addition to these two variables, the success of the constructed wetland system in this study was also influenced by the presence of Typha angustifolia which functions as a phytoremediation agent in reducing the concentration of Fe and Mn metals. The analysis showed that the best treatment in this study was Q1M2 which had the highest removal efficiency of Fe and Mn respectively 94.35% and 85.21%.
Experimental Study of Wave Reflection in Breakwater Overtopping Catcher Model
Authors: Hatta M P , Puspita A I D , Thaha M A , Karamma R , Pongmanda S , Mustari A S , Ibrahim M 
Published: July 2020

Abstract
Breakwater overtopping catcher model is a breakwater or shore protection model, which can accommodate or catch wave overtopping. This breakwater model is different from most other conventional breakwater models, at the back of this breakwater model, an opening is made to form a reservoir. This reservoir serves to collect overtopping wave, which is then collected and released back to the sea through an energy conversion process. How many waves overflow at the peak of the breakwater model is strongly influenced by several factors, one of which is the wave characteristics. This research was carried out experimentally to determine the characteristics of the waves, especially the influence of wave steepness to the wave reflection coefficient. The experiment was carried out in a wave flume with regular wave generation. Variations of research carried out on variations in the model that is slope and freeboard and wave variations that is period and wave height. The results of the study show that the wave reflection coefficient decrease with the increase of wave steepness, it is also seen that steep slopes produce the largest wave reflection coefficient.
The Airport Development due to the Demand of Passengers (Case: Mutiara Palu, Indonesia)
Authors: Adisasmitha S A , Yatmar H , Rauf S , Hustim M 
Published: July 2020

Abstract
The influence of service quality has limited attention to the airport study. The services are according to the demand that directly influences the development of the airport. This study investigates the development of the airport. The increasing of passengers used aircraft for the mode choice of transportation made the polemic. The quality of service with the growing demand of passengers could satisfaction the passenger to use the airport facilities and made a flight. The rising trend of passengers has to cover the quality of service performance with the expansion of the airport. The demand analysis is conducted to predict and optimize the services of the airport facilities According to the population and daily flight information. Demand shows the forecast of passengers use the semi-average method, least square method, and the quadratic trend method. The result confirms that the trend of passengers is attracted to choose a cheap flight as a priority than the safety factor. The population affected by the demand for a flight. Otherwise, the growth of domestic products is related to increasing flight demand. Finally, the result shows the factors that affected the demand of passengers to travel with aircraft influenced the expansion in developing the airport facilities.
Preliminary Study on Compressive Strength of Porous Asphalt Containing Modified Buton Asphalt, Waste Plastic and Limestone Powder
Authors: Tjaronge M W , Fakhruddin  , Caronge M A , Zaifullah M H , Rahmat M F 
Published: July 2020

Abstract
Porous asphalt is a surface layer or a wear layer is one of the asphalt material developed to overcome the problem of inundation during the rainy season making it suitable for use in Indonesia which has high rainfall intensity. Furthermore, it is necessary to optimize the use of a number of natural resources in Indonesia such as natural rock asphalt in Buton Island (BRA) and limestone which is available in many places. In addition, reducing of plastic waste is attracts the attention of a number of countries including Indonesia. This paper is part of a series of investigate study related to the behaviour of porous asphalt mixture made with modified Buton asphalt (MBA), waste plastic and lime stone powder. The compaction results showed good adhesion can unite the waste Polyethylene terephthalate (PET), limestone powder and coarse aggregate particles. There is no visible negative effect of waste PET and limestone powder in porous asphalt mixture against compressive strength.
Allocation of Wind Power Plant Construction Using Adaptive Neuro-Fuzzy Inference System
Authors: Jasman H , Said S M , Nurtanio I 
Published: July 2020

Abstract
This research aims to determine the feasibility of a location to build Wind Power Plant (WPP). One of the challenges in wind energy development is to find area or location with high suitability for optimizing wind farm to allow the installation of as many wind turbines as possible within a limited area. To construct as many wind turbines as possible, the Adaptive Neuro Fuzzy Inference System (ANFIS) method is adopted using 7 parameters i.e wind potential, elevation, slope, type of land use, soil condition, access to roads, and populated areas and 2178 rules of fuzzy logic. The research was conducted in Kelara District, Jeneponto Regency, South Sulawesi, Indonesia. The most optimal result is obtained in the village of Tolo with a percentage of feasibility of 91% and error 0.48287. The output of this system can determine the feasibility of a location of wind turbine installation and can be used as a reference for determining wind farms in Indonesia and other countries.
Effects of 500 kV EHV Transmission Lines on Location Determination and Capacity of Shunt Reactor in South Sulawesi Systems
Authors: Kitta I , Suyuti A , Muslimin Z , Manjang S , Santoso W , Hidayat M T 
Published: July 2020

Abstract
Electricity in South Sulawesi system is so extensive that it is necessary to construct a 500 kV Extra High Voltage (EHV) to avoid instability and waste of electricity during the distribution of electricity. need. Therefore, this paper describes the implementation of research on optimizing the electrical energy network system from renewable energy power plants in the form of the application of extra high voltage transmission. This research was carried out as an effort to implement a 500 kV extra high voltage transmission in South Sulawesi. The length of the 500 kV EHV to be installed includes an extra-long transmission, which is 365 kms which will produce more voltage on the network during light loads. So, it is necessary to make efforts to improve the electrical system to meet applicable standards, including the addition of the shunt reactor. The purpose of this study is to obtain conclusions about the effect of the shunt reactor on the South Sulawesi transmission system after the 500 kV EHV is applied. The research that has been carried out aims to obtain the optimal location and capacity of a shunt reactor. The results of this study will be very useful for electricity stakeholders, especially transmission companies in South Sulawesi.
The Roughness Characteristic of AA6061-F, AA6061-O and AA6061-T6 after Machining Process
Authors: Arsyad H , Arma L H , Januari  
Published: July 2020

Abstract
Generally, the aims of the machining process are to produce a smooth surface according to a specific standard. To get a good surface quality can be implied by improving the machinability of the raw material. In addition, the selection of machining methods and machining parameters is also an important factor. This study aims to obtain a relationship between heat treatment and surface quality of AA6061 alloy after machining. Heat treatment is expected to improve the machinability of the AA6061 alloy to produce a surface with low roughness. The study was conducted using two heat treatment methods, namely AA6061-T6 and AA6061-O and comparing it with AA6061-F. After the heat treatment process, the AA6061 alloy was machined using a lathe with 1500 rpm spindle speed, 0.05 mm/rev of feed rate and 2 mm depth of cut. The condition of the turning process was varied with and without lubrication. The effect of heat treatment on the surface quality after machining is in terms of surface roughness, microstructure, hardness value, and chip shape. From the results, it was found that Al6061-O has the best surface quality with lowest hardness and lowest surface roughness.
Cognitive Work Analysis to Comprehend Operations in Self Check-in Counter
Authors: Lukmandono  , Suroso H C , Nasution A H 
Published: July 2020

Abstract
Self service check-in is a new service that has been given by the airlines for passenger. This service is able to minimize the use of manpower in the airport and reduce the time consuming for passenger to do the requirement before flying. Cognitive Work Analysis (CWA) is expected to extract the phases and explore the parts that implied to the system. CWA is a method to analyse an industrial complex system which is useful for industrial design. CWA divided into five stages which outlined different function in each stages those are work domain analysis, control task analysis, strategies analysis, social organization and cooperation analysis, and worker competencies analysis. This research used brainstorming as qualitative method and got several results such as there are five categories that implied in the WDA, five categories involved on CTA, seven categories on SOCA, and nine categories implied on WCA.
Study of Longshore Sediment Transport on Erosion and Sedimentation Beaches in South Sulawesi
Authors: Umar H , Baeda A Y , Husain F , Taufiqurrahman  
Published: July 2020

Abstract
Accumulation of sediment on the beaches absorbs and reflects energy which mainly comes from waves. If all wave energy is absorbed, the beaches is in a balanced condition. Conversely, if the beaches is in an unbalanced condition, erosion and sedimentation will occur which in turn will cause damage to the coastal line. To overcome the problem of erosion and sedimentation that occurs usually the first step that must be done is to look for the causes of erosion and sedimentation, so that by knowing the cause, then you can determine how to overcome them. To find out what approaches can be used to overcome erosion and sedimentation problems, a survey and study of erosion and sedimentation that occur on the beaches must first be conducted. This research was conducted by first analyzing the characteristics of coastal sediment grains then analyzing the predicted erosion and sedimentation on the beaches and calculating the magnitude of longshore sediment transport using empirical equations. Result of the research shows that Padongko Beach Mangempang Village Barru Regency has sedimentation with total longshore sediment transport was 201.71 m3/years, and Desa Aeng Batu-Batu Beach Galesong Utara Takalar Regency has sedimentation with longshore sediment transport was 169.79 m3/years
The Analytical Solution of Waves Transmission Coefficient on Semi Fixed Floating Breakwater
Authors: Paotonan C , Rachman T , Ashury  , Putra T. P. 
Published: July 2020

Abstract
One type of breakwaters that can be used to protect port basin is floating breakwaters. The use of floating breakwaters is suitable for relatively large water depths. In deep waters, the floating breakwaters volume is smaller than rubble mounds breakwater. Consequently, floating breakwaters are cheaper than rubble mounds breakwater. Unfortunately, a practical approach to analysing the performance of floating breakwater in reducing wave height is unknown. Floating breakwater performances indicated by wave transmission coefficient. Therefore, in this study an analytical wave transmission coefficient was formulated. The simple formula can be used to estimate high of wave at behind of floating breakwater. Based on these equations, the wave transmission coefficient influenced by the wave parameters and structural parameters. Wave parameters represents by wave high, wave period, water depth and wave length while structure parameters represents by both of width and draft of structure. Wave transmission coefficient also influenced by the wave frequency and having motion frequency.
Effect of Wave Power Device Arrangement in Double-Water-Chamber Type Seawall towards Wave Power Extraction Rate and Wave Dissipation
Authors: Husain F 
Published: July 2020

Abstract
Utilization of the ocean energy to meet the electricity need is important to realization. The increasing need for electricity and environmental issues are the reasons. In last several decades a number of studies on wave energy device have been carried to find the effective one. In this paper, the double-water-chamber type seawall is basically adopted that has a similar structure to the OWC was examine to extract wave power. In the experiment various arrangement of wave power device inside the double water-chamber was tested to obtain optimum of wave extraction rate. Another function of the double water-chamber as wave dissipation is also clarified in the experiment. Based on experimental result the maximum wave energy conversion efficiency is about 30% and the reflection coefficient of the double-water-chamber seawall is about 0.3 on average.
A Comparative Study using SAW, TOPSIS, SAW-AHP, and TOPSIS-AHP for Tuition Fee (UKT)
Authors: Firgiawan W , Zulkarnaim N , Cokrowibowo S 
Published: July 2020

Abstract
Tuition Fee or UKT has a different group, in which each group has a percentage each of the which has been set by the government based on the economy of each student. The absence of clear standardization in determining Tuition Fee raises many problems. The approach of Decision Support Systems (DSS) will help in the decision making of Tuition Fee students are more effective and efficient. The purpose of this study research is to compare the 4 DSS methods used in the decision making process, Simple Additive Weighting (SAW), Technique for Order Preference by Similarity to Ideal Solution (TOPSIS), a combination of Simple Additive Weighting (SAW) and Analytical Hierarchy Process (AHP), and Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) and Analytical Hierarchy Process (AHP) is used in making Decision determination Tuition Fee students in accordance with established criteria determine the method relevant to the problem. By using a comparison of four methods: SAW, TOPSIS, SAW-AHP and AHP-TOPSIS, the experimental results obtained using accuracy measure where the highest accuracy obtained by TOPSIS-AHP is 80%, then followed by the TOPSIS method 78%, SAW-AHP 74% and SAW 76%, so the TOPSIS-AHP is the best method used in determining Tuition Fee.
Effects of Mineral Admixtures on Pore Structure and Compressive Strength of Mortar Contaminated Chloride
Authors: Patah D , Hamada H , Dasar A 
Published: July 2020

Abstract
This study evaluates the mechanical properties of performance fly ash, silica fume, metakaolin and blast furnace slag mortars due to contaminated chloride. The compressive strength and pore structures at water-to-binder ratios of 0.4, 0.5 and 0.6 are investigated. The result, in general, showed mineral admixtures mortar contaminated chloride improved compressive strength and porosity but different rates depending on their binder type.
1D and 2D error assessment and correction for extrusion-based bioprinting using process sensing and control strategies
Authors: Armstrong Ashley A , Alleyne Andrew G , Wagoner Johnson Amy J 
Published: July 2020

Abstract
The bioprinting literature currently lacks: (i) process sensing tools to measure material deposition, (ii) performance metrics to evaluate system performance, and (iii) control tools to correct for and avoid material deposition errors. The lack of process sensing tools limits in vivo functionality of bioprinted parts since accurate material deposition is critical to mimicking the heterogeneous structures of native tissues. We present a process monitoring and control strategy for extrusion-based fabrication that addresses all three gaps to improve material deposition. Our strategy uses a non-contact laser displacement scanner that measures both the spatial material placement and width of the deposited material. We developed a custom image processing script that uses the laser scanner data and defined error metrics for assessing material deposition. To implement process control, the script uses the error metrics to modify control inputs for the next deposition iteration in order to correct for the errors. A key contribution is the definition of a novel method to quantitatively evaluate the accuracy of printed constructs. We implement the process monitoring and control strategy on an extrusion-printing system to evaluate system performance and demonstrate improvement in both material placement and material width.
Res-CR-Net, a residual network with a novel architecture optimized for the semantic segmentation of microscopy images
Authors: Abdallah Hassan , Formosa Brent , Liyanaarachchi Asiri , Saigh Maranda , Silvers Samantha , Arslanturk Suzan , Taatjes Douglas J , Larsson Lars , Jena Bhanu P , Gatti Domenico L 
Published: July 2020

Abstract
Deep neural networks (DNN) have been widely used to carry out segmentation tasks in both electron microscopy (EM) and light/fluorescence microscopy (LM/FM). Most DNNs developed for this purpose are based on some variation of the encoder-decoder U-Net architecture. Here we show how Res-CR-Net, a new type of fully convolutional neural network that does not adopt a U-Net architecture, excels at segmentation tasks traditionally considered very hard, like recognizing the contours of nuclei, cytoplasm and mitochondria in densely packed cells in either EM or LM/FM images.