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MUHAMMAD IKHSAN SETIAWAN
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NAROTAMA UNIVERSITY, Indonesia Jl. Arief Rachman Hakim 51, Sukolilo – Surabaya (60117) www.narotama.ac.id
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NEUTRON : Research from all areas of the Civil Engineering
Published by Universitas Narotama Surabaya
ISSN : 14120860     EISSN : 26853272     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Transportation
s an open-access journal publishing original research from across all areas of the Civil Engineering We offer our authors a highly respected home for their research. Partnering with our extensive network of expert peer reviewers, our editorial team provides rigorous, objective and constructive peer review, and will support you throughout the publication process. We led by the same ethical and editorial policy guidelines to ensure that all the research we publish is scientifically robust, original, and of the highest quality. We help your research reach more people and maximize its impact. As an open-access journal, we ensure that your work is immediately accessible and highly discoverable across a range of channels NEUTRON published twice in a year, January and July Focus and Scope NEUTRON publishes original research from all areas of the Civil Engineering
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 10 Documents
 1 
Search results for , issue "Vol 20 No 2 (2021): JANUARY 2021" : 10 Documents clear
The Utilization of Glass Waste as Fine Aggregate Replacement and Rice Husk Ash as Cement Replacement in Concrete: A Review Shahid Ali Shaikh Shaikh; Sajjad Ali Mangi; Muhammad Nawaz Sahito; Naveed Ayoub Ghumro; Faheem Ahmed Soomro
Neutron Vol 20 No 2 (2021): JANUARY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Cement as a binder used in the mixture of concrete is a costly product and it is also harmful to the environment due to the emission of huge amounts of CO2 and other gases. Like cement the fine aggregate is also the main constituent of the concrete used as inert filler in concrete is also expensive. The researchers are probing towards the new inexpensive and environment friendly materials for the concrete. They have agreed over the point that by utilizing the recycled waste materials could be helpful in achieving the sustainable construction. So in this case a lot of research has been carried out for the utilization of rice husk ash as cement substitution and recycled waste glass as alternative of concrete fine aggregate. The outcome of this research is that these both green materials have enormous potential to contribute in the long-lasting handling of ineffectual solid waste, reduction of landfill sites, preserving natural resources and protecting atmosphere from extremely hazardous gases. The purpose of this review work is to summarize the previous research findings on utilization of rice husk ash and recycled waste glass as a substitution to the cement and fine aggregate respectively. This review paper will come up with the remarkable idea and valuable information for the upcoming researchers working for the aim of utilization of renewable and futile materials in the field of concrete technology.
Investigating The Neglected Safety Practices Influencing Safety Performance Of Building Construction Projects In Sindh Province Of Pakistan Muhammad Tarique Lakhiara Lakhiara; Abd Halid Abdullah; Muhammad Tahir Lakhiar
Neutron Vol 20 No 2 (2021): JANUARY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Safety non-performance has not only contributed to higher levels of injuries but also decreased total productivity in the building sector. Through improving standards of safety practices, the condition can be changed. This paper provides a framework for recognizing the most neglected safety practices that must be improved. The research was performed using a questionnaire survey of 33 safety practices. Data obtained through 210 questionnaires from respondents who were working on building projects in the Sindh Province were analyzed using statistical package for the social sciences. All safety practices have been prioritized based on their mean safety performance values. Statistics have shown that the average safety performance of the building industry is 60.596 per cent. Construction safety practices that need special attention are listed as; (a) People should work safely even when they are not being supervised (b) Safety training provided to the employees of subcontractors (c) Investigations carried out to identify the causes of accidents (d) Accidents are reported/recorded (e) throwing or dropping of material/equipment carelessly. The findings also have shown that the factor 'Accident reporting and investigation mechanism', has the lowest level of safety performance, accompanied by 'Workers' involvement', 'Safety training', 'Safety practices', 'Safety meetings. The findings of this report will provide building stakeholders with valuable knowledge for safe work practices.
Experimental Study on Concrete Incorporating Date Seed As Partial Replacement Of Coarse Aggregates Ali Raza PALH; Sajjad Ali MANGI; Masroor Ahmed ODHO; Ayaz Ahmed KALHORO
Neutron Vol 20 No 2 (2021): JANUARY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

In the world the most widely used material is concrete. It is the second most consumed substance after water in the world and plays a vital role in infrastructure and private buildings construction. Various waste materials like coconut shells, date seeds, rubber seed shell, palm kernel shells, etc. were studied by various researchers and replaced for coarse aggregate in concrete making. This study attempted to use Date Seeds as partial replacement with coarse aggregate in concrete. The mix design ratio 1:2:4 of cement, fine aggregate and coarse aggregate/date seeds was investigated in this study work only. Total 24 number of Cylinders of diameter and height of 4’×8’ were made. The 0%, 2%, 3% and 4% of Date Seed were replaced with Coarse aggregate. The physical properties of Date Seed, fine aggregate and coarse aggregate were determined. The specific gravity of DS was found to be 1.0 and water absorption was 24% for 48 hours. The bulk density value was 843 kg/m3 which was greater than the previous research works, the fineness modulus of DS, CA & FA were 1.7, 2.18 and 3.08, respectively. Other important thing which was observed during this work that the DS were expanding on absorption of water. The workability of concrete was decreasing as the total surface area of coarser particles was increased. The results of compressive strengths were quite satisfied at 2% & 3% replacement.
Analysis of the relationship between the working environment and employee performance in selected construction firms in Karachi city Muhammad Tarique Lakhiara Lakhiara; Abd Halid Abdullah; Muhammad Tahir Lakhiar
Neutron Vol 20 No 2 (2021): JANUARY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

A healthy working environment is important for the performance of workers to prevent undue burden on employees, thus impacting their job efficiency. Numerous working environment factors contributed to job satisfaction. The goal of this analysis was, therefore, to explore the correlation between working environment and the employee performance on the basis of five working environment dimensions. This study utilized the quantitative approach and collected data through questionnaires. The respondents of this study were employees of all positions, which include the manager, senior to junior executives in selected construction firms of Karachi city. By using Pearson's Correlation Analysis, the data were analyzed to measure the relationship among variables. The results indicate that the workplace environment and employee performance have a significant relationship. The support of supervisors was thus identified as the main element in maintaining a positive workplace environment.
An Investigation on Compressive Strength of Concrete Blended With Groundnut Shell Ash Abdul Wahab Abro; Aneel Kumar; Manthar Ali Keerio; Zubair Hussain Shaikh; Naraindas Bheel; Ali Aizaz Dayo
Neutron Vol 20 No 2 (2021): JANUARY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Concrete is frequently utilized infra-structural construction material all over the world. Cement is the main part of the concrete, during its manufacturing emission of gases such as carbon dioxide (CO2) from cement factories create greenhouse effect. In these days various natural pozzolanic materials are used as partial replacement of cement to enhance strength and durability and to reduction in consumption of cement consequently reduction in carbon dioxide (CO2) emission. The aim of this research is to investigate the effect of groundnut shell ash as a cement replacement material on workability and compressive strength of concrete. One mix of ordinary concrete and five mixes of modified concrete were prepared, where cement is replaced by groundnut shell ash from 3% to 15% by weight of cement, with 3% increment with 1:2:4 binding ratio mixed with 0.5 water/cement ratio. The workability and compressive strength of concrete was investigated. The obtained outcomes demonstrated that, groundnut shell ash as a cement replacement material have significant effect on compressive strength of concrete.
Recycling of Ceramic Tiles and Marble Powder waste as Partial Substitution in Concrete Bilawal Soomro; Sajjad Ali Mangi; Rashid Ali Bajkani; Abdul Qudoos Junejo
Neutron Vol 20 No 2 (2021): JANUARY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Recycling the waste has been one of the most influential aspect affecting global conditions of the world. In the world of Civil Engineering, it serves the purpose of preservation of the natural building materials such as Sand, Stones, etc. Fair amount of work been done on utilization of the waste such as Fly ash, marble waste, tiles waste, plastic, etc. used as different forms of replacement, provokes the need of work still to be done. So much of the work has been done on wastes available from Marble and Tiles. The combined effect of waste marble powder (M.P) and Ceramic tile waste (CTW) as partial replacement of Cement (10%) and Coarse Aggregates (10%,20%,30% respectively) is to be observed and analyzed. The obtained results will be compared with the conventional cement concrete at 7 and 28 days of Curing. Total 24 number of cylinders casted and tested for their workability and Compressive strength. The Workability of Concrete with replacement decreased with increasing ratio of replacement as well as its Compressive Strength. The Compressive strength of concrete with replacement is approximately of same value as that of Conventional Concrete at (10%+10%) partial substitution ratio.
38 Floor Apartment Design With Special Moment Frame System (SMF), With Performance Based Design Using SNI 1726: 2019 and SNI 1729: 2015 Achmad Ubaidillah; Tony Hartono Bagio; Julistyana Tistogondo
Neutron Vol 20 No 2 (2021): JANUARY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Apartments are an option for vertical housing. Currently, with the rapid development of technology, a person will tend to choose housing that can support their mobility. So it is planned that an apartment building structure is planned using a Special Moment Frame System using Performance Based Design referring to SNI 1729: 2015 and SNI 1726: 2019. Planned with columns HC 582x500x50x65 and HC 508x462x75x75 as well as WF beams 400x300x12x22 and WF 400x200x12x22. The results show that the columns and beams are strong but wasteful.
Assessment of Physical and Mechanical Properties of Polyurethane as Ground Improvement Material for Peat Mohamad Niizar Abdurahman; Adnan Zainorabidin Kasbi Basri; Azman Kassim
Neutron Vol 20 No 2 (2021): JANUARY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Peat is considered problematic soil due to its large void ratio, high compressibility and low shear strength. Various ground improvement methods have been developed in recent years to improve peat’s strength properties. Polyurethane grouting is one of the ground improvement methods that is gaining recognition as effective and fast way to stabilize soil. Polyurethane is a lightweight material produced by mixing polyol and isocyanate chemicals. Upon mixing, a polyurethane foam is created which expands up to a few times of its original volume. In this study, the strength characteristics of polyurethane with different mix ratios of polyol to isocyanate were evaluated to determine the optimum ratio suitable to be used to stabilize peat. Polyol to isocyanate ratio of 1:1, 1:1.5, 1:1.2, 1:2.5 and 1:3 were tested in this this research. The propagation, microstructure and density of polyurethane were investigated. Compressive strength of polyurethane determined using Unconfined Compression Strength test. Polyurethane created with higher ratio of isocyanate bears higher density and compressive strength compared to the polyurethane with lesser quantity of isocyanate. The cell structure of the polyurethane also is smaller with thicker cell walls. However, the curing time consumed by the polyurethane with high ratio of isocyanate is 8 times greater than the normal polyurethane. Thus, polyurethane ratio with fast curing time and high compressive strength was chosen as the optimum mix ratio to be used to stabilize peat.
The Effect Of The Implementation Of Occupational Health And Safety Management Systems (Smk3) Against Security Tower Construction Project " X ”In Surabaya Mansur; Fredy Kurniawan; Atik Wahyuni
Neutron Vol 20 No 2 (2021): JANUARY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

This study aims to analyze the effect of the implementation of the Occupational Safety and Health Management System (SMK3) on the productivity of workers on the "X" tower construction project in Surabaya. The population used is the employees of the tower construction project "X" in Surabaya as many as 230 employees, while the number of samples taken 146 employees. The data used is sourced from primary data. Data collection is done by distributing questionnaires. The data analysis technique used is multiple linear regression analysis.The results in this study indicate that: (1) Safety Factor has a significant and positive influence on Project Security; (2) Equipment and Work Wear Factors have a significant positive effect on Project Security; (3) Vehicle Track Factors have a significant positive effect on Project Security; (4) Fire Factor has no significant effect on Project Security; (5) Equipment and Machine Factors have a significant positive effect on Project Security; (6) Electricity and Sound factors have a significant positive effect on Project Security; (7) Public Protection Factors have no significant effect on Project Safeguards; (8) General Factors have a significant positive effect on Project Security; (9) Occupational Health Factors have a significant positive effect on Project Security.
The Effects of Coir Fibers on Workability and Strength Properties of Concrete Ghulam Shabir Solangi Solangi; Gulmir Khan Sahito Sahito; Manthar Ali Keerio Keerio
Neutron Vol 20 No 2 (2021): JANUARY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

This study aimed toward analyzing length and content of coir fiber on workability and strength of concrete. For this purpose, different fractions of coir fibers of length as 10 mm, 20 mm and 30mm are used with varying proportions as 0.15%, 20%,0.25%,0.3% and 0.35% by the volume of concrete. One mix of control concrete and 15 mixes of concrete with inclusion of cot fibers were prepared. The experiments were conducted to check the workability, compressive and tensile strength of concrete. It was observed from conducted research, that the workability is decreased with increasing the content of coir fibers. On the basis of conducted research, the inclusion of 0.25% of coir fibers of length 20mm is optimum. With inclusion of 0.25% of coir fibers of length 20mm, compressive and tensile strength is improved as compared to control mix.

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