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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 68 Documents
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Risk Analysis of Delay in The Construction Project Rio Kurniawan Budi Soeseno; Diah Ayu Restuti Wulandari; Koespiadi Koespiadi
Neutron Vol 21 No 1 (2021): JULY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

The complex problems that existed during the Field Implementation in the SMP Negeri 1 Surabaya project at that time caused some work that was not as planned both in terms of time, quality and cost which resulted in overbudget and overtime. When experiencing overbudget and overtime, it is necessary to have good cost, quality and time management. Good management should not only be owned by the project owner. The length of time to complete the project has a big effect on the increase in the overall project cost. Therefore, daily, weekly and monthly progress reports are needed to report work results and completion times for each project work item. Furthermore, this work is compared with the completion time of the plan so that the completion time can be controlled for each period. This is because the construction of the building has a delay in time so that it can cause disruption in some field operations. The analysis that I have done is viewed from all of them (owner and contractor). This study uses the AHP (Analytical Hierarchy Process) research method because AHP is used to derive the ratio scale of several paired comparisons that are discrete or continuous. Other problems such as inconsistencies in planners, supervisors, executors, and other authorities in the field, namely lack of communication and late making decisions such as changes in design and changes in calculations that are in implementation and planning so that the project results in time and cost delays, and other problems. such as material calculations and others, there are also delays caused by delays in making decisions in implementation. Because of that, the project for the Public Junior High School 1 in Surabaya experienced delays in several jobs, namely the foundation, column, ladder, and beam work, which should have been done in 1-2 months to 3-4 months. In terms of implementation, such as lack of communication between planners, supervisors and implementers as well as other authorized officials, a good communication is needed. So that it does not cause so many problems and can reduce delays in terms of implementation in the field.
Effect of Kandangan Pump House on Long Storage Diversi Gunungsari in Sememi Retsadika Kusriardi; Adi Prawito; Farida Hardaningrum
Neutron Vol 21 No 1 (2021): JULY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

The Surabaya City Government has built a box culvert in the Gunungsari Diversi channel for the Sememi segment to Banjar Sugihan and the Kandangan pump house. The purpose of this study is to describe and analyze the operational impact of the Kandangan pump on the Sememi box culvert capacity. Therefore, the Surabaya City Government built the Sememi box culvert as a long storage in the primary channel of the Gunungsari diversion in order to reduce inundation as well as function as a road that can overcome congestion in the area. The Surabaya City Government has also built a Kandangan pump house as an outlet rather than a long storage at the Gunungsari version. The reduction of inundation and congestion can increase the wheels of the economy which have a global impact on cities around Surabaya as well as a smoother access road for the people in West Surabaya to the middle of the city.
Sustainable Climate Approach and in Context of Environment Economy: A Classical Analyze Matters. Sarmad Rahat; Muhammad Shoaib Khan Pathan
Neutron Vol 21 No 1 (2021): JULY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

In the worldwide world, the climate has become a scant asset. Since the economy is tied in with adapting to asset shortage, the climate and the economy are interconnected. Then again, it is additionally evident that the economy, which types both confident and negative outwardness, effects the environment. Hence, it is unconceivable to imagine handling ecological issues from the out of the economy. Today, there are some monetary movements, for example, increasing use reliant on spending middles, city reestablishment, fast public growth, and so on one method of tackling the economy is to assurance that the expenditures and compensations of natural events are adjusted. While it is hard to appraise the expenditures and rewards, there is a developing interest for this to occur before monetary movement. Monetary and usual goals are frequently seen as opposing. It is putative that a choice must be made amongst one and the additional, and this can't be talented concurrently. To alteration this discernment, certain actions must be occupied at both the community and international levels. Now, a real usual review is important consistently to assurance a green economy. In this investigation, we drive look at what has been complete on the earth as to the green economy. In this specific circumstance, we will take a gander at what we need to do in Turkey as far as enactment.
Influence of Waste Marble Powder and Waste Granite Powder on the Mechanical and Durability Performance of Concrete Engr Shafi Ullah; Muhammad Rehan Shahid; Shadab Tariq; Ammad Ahmad Khan
Neutron Vol 21 No 1 (2021): JULY 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Industries produces large amount of marble and granite waste powder. These wastes are of two types, one of them is wet form which is impure form because it mixes with soil. And the other one is in powder form which is the pure form of marble waste and granite waste. These wastes are dumped in to the open land which cause serious environmental issues such as land problem, water problem and other deterioration. We can use these wastes to overcome environmental issues. Moreover, we can use these wastes in concrete to reduce construction economy. Waste marble powder, when we use in concrete, gives us good result in mechanical and durability characteristic of concrete. We used marble powder and granite powder with limited replacement of cement at 0%, 5%, 10% to check the performance of concrete in its mechanical and durability characteristics. This thesis describes a detailed experimental study on concrete’s tensile strength and compressive strength and concrete water absorption. Better outcomes were obtained at 5-10% replacement of cement with these wastes. Concrete’s durability and mechanical characteristics were improved by increasing waste granite with limited replacing of cement up to 10%. Determined Results show that a little content of marble dust and waste granite powder with limited replacement of cement will lower construction economy, reduce the cement quantity and gives better results in compressive strength
Analysis Of The Impact Of The Covid-19 Pandemic On The Construction Industry Sector Liliana Hannes; Julistyana Tistogondo
Neutron Vol 21 No 2 (2022): JANUARY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Accelerating infrastructure development in Indonesia is a good thing, but this is not without problems. The COVID-19 pandemic is a problem that has a large and global impact, not least in Indonesia, especially in the construction industry sector. The construction project of the Soedono Madiun Hospital is one of the construction projects that have experienced the direct impact of the COVID-19 pandemic. Therefore, the purpose of this study is to review and analyze the impact of the covid-19 pandemic on construction projects in the case study of the construction project of the Soedono Madiun Hospital, and to find out the biggest impact of the covid-19 pandemic which has the most influence on construction projects in the case study of the construction project of the Soedono Hospital. Madison. The research method used to determine the biggest impact of the covid-19 pandemic on the cost and time aspects is the multiple linear regression analysis method with the help of Microsoft Excel. The other data analysis methods used in this study were the validity and reliability tests used in testing the questionnaire. The results of data analysis conducted in this study indicate that there are seven independent variables affect the dependent variable, namely the suitability of planning and project realization with the equation y= 94.186-0.376x1-0.108x2-1.014x3+0.873x4 for the time aspect, and the equation y=87,009 -0.0006x5-0.001x6-0.0002x7 for the cost aspect. With this equation, it can be seen that the independent variable that has the most influence on the dependent variable on the time aspect is the independent variable X3, namely the change in the time schedule due to delays in the arrival of construction materials by 1.014, while in the cost aspect is the independent variable X6, namely changes in costs due to instability. the price of construction materials is 0.001. So, it is hoped that there will be a project management handling that focuses on the most influential variable, namely construction materials.
Efficiency Analysis of Foundation System Resi Aseanto; Ali Ramdani Bagaskara; Syafwandi; Agung Sumarno
Neutron Vol 21 No 2 (2022): JANUARY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

The increasing number of residents in South Tangerang has an impact on increasing the need for lower housing. The development of vertical housing with the market name of flats, apartments and is the most effective anticipatory solution to overcome land prices which result in market limitations, especially for the upper middle class. This 32-storey apartment project uses a combined foundation system between drill pile foundation & raft foundation. With the combination of these two very massive systems, of course, it will have a very expensive cost to implement and take a long time to complete. In order to avoid cost overruns, the foundation design must look at the possibilities. To determine the efficiency of the combined system foundation design between pile bored foundation & raft foundation, the researchers analyzed the value of the bearing capacity and also the settlement that occurred in the existing foundation using the Poulos method, the equivalent Raft method and the Vesic method. From the results of the study, it was found that the contribution of the pile foundation bearing capacity was 24.10%. the placement of the raft foundation is 75.90% and the settlement analysis using the Poulos 8.95cm method, the 12.41cm Equivalent Raft method and the Vesic 12.1cm method, these three results are close to the maximum settlement limit.
OCCUPATIONAL SAFETY AND HEALTH OF CONSTRUCTION PROJECTS IN DILI, TIMOR LESTE Maria Madalena De Jesus Soares; Kurniawan
Neutron Vol 21 No 2 (2022): JANUARY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Occupational Safety and Health is the program to protect workers from the dangers of work accidents and occupational diseases that may occur during work. This study was conducted to determine the implementation performance of occupational safety and health program, to find out the obstacles during the implementation occupational safety and health programs, as well as labor laws and regulations relating to OSH on construction projects in Dili Timor Leste. This study collected data by distributing questionnaires to employees who work on the four (4) ongoing construction projects in Dili. Data analysis was carried out on Microsoft Excel which further processed the data using the mean count to determine the average value of the questionnaire and the standard deviation. This study found that the project in Dili has implemented the Occupational Safety and Health program. This can be seen from the overall results of the analysis with a mean value of 4.49 and a standard deviation of 0.473. From these results, it can be concluded that every construction project company prioritizes the implementation of OHS. The second result is the obstacles in applying OHS; from the analysis results show that the barriers from the worker side are rank 1 with a mean value of 2.90 and a standard deviation of 0.925. It can be concluded that many obstacles in implementing the OSH program occur from the workers' side due to the lack of awareness and knowledge of workers about OSH in working on construction projects. The result of the third analysis is Timor Leste's labor laws and regulations. The results of the analysis show that it is sufficient for companies to apply Law no. 4/2012 on employment in the areas of security, hygiene and health in the workplace.
Analysis about Planning and Modification of the Upper and Lower Structures of the 38 Floor Apartment SkyHouse Project with Equivalent Static Analysis Agus Fernando; Syahwandi; Resi Aseanto; Agung Sumarno
Neutron Vol 21 No 2 (2022): JANUARY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Abstract The modeled building structure is a regular building, with the number of levels being varied. The structural model is divided into 38-level portals. This research uses the help of the SAP2000 v21 program to facilitate the earthquake analysis process. The results of the study that will be compared are displacements between levels and base shear that occur due to earthquake forces. The results of the analysis have shown that static analysis produces greater results for the structural models compared to dynamic analysis. The difference in displacement between levels produced by the two methods in the three structural models is still included in the displacement limits between levels of permission required in SNI 1726-2012, so that the three models can still be analyzed by static analysis and dynamic analysis. Because the results of displacement and base shear in static analysis are greater than dynamic analysis, static analysis is safer if used for earthquake force loading in general structural calculations. Although in earthquake analysis, dynamic analysis is a more accurate analysis because the analysis process is closer to the actual situation.
Comparative Analysis of Facade Work Using Kumkang Precast, Concrete Precast, and Curtain Wall Methods in terms of Cost and Time Maria Siwi Tiarasari; Irriene Indah Susanti
Neutron Vol 21 No 2 (2022): JANUARY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

The development of the construction world in terms of innovation has become one of the methods of supporting success to gain advantages in terms of cost and time, one of which is the outer wall which can generally categorize into cast-in-situ and precast methods. (1) Comparison of the cost of implementing precast kumkang materials, precast concrete facades, and curtain wall facades. The precast kumkang method is 24% cheaper than the precast concrete method, the precast kumkang method is 87% cheaper than the curtain wall method, and the precast concrete method is 52% cheaper than the curtain wall method. Sorted from the cheapest to the most expensive are precast kumkang facades, precast concrete facades, and curtain wall facades. (2) Comparison of the working time of precast kumkang materials, precast concrete facades, and curtain wall facades with the results, namely curtain wall facades for 31 weeks, kumkang material precast facades for 53 weeks, and precast concrete facades for 55 weeks. Sorted from the fastest to longest, namely curtain wall facades, precast kumkang material facades, and then precast concrete facades.
Evaluation of Clean Water Distribution Development in Bee Timor-Leste, E.P Post Administrative Dom Aleixo Dili Municipality Sri Sumiyati; Zeferino Soares Lopes; M Arief Budihardjo
Neutron Vol 21 No 2 (2022): JANUARY 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Post Administrative Dom Aleixo is a part of Dili City which acts as the central government with an area of 33.12 km2, total population in 2015 as many 130,095 inhabitants. The purpose of this study is to discharge capacity of the spring’s water still sufficient to distribute water for 10 years in the future. The evaluate the clean water distribution system in Post Administrative Dom Aleixo according to the Timor-Leste Strategic Development Plan 2011-2030, the method used is by using the Epanet 2.2 program. The data needed in Epanet 2.2 is a map of the network system, the elevation of each junction, the water discharge, pipe and the pipe roughness value. In addition to this data, there is also population data and percentage level of service, which will be used in the calculation of debits in the year of 2020-2030.

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