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Rekayasa Sipil
Published by Universitas Brawijaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Arjuna Subject : -
Articles 551 Documents
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Alternatif Desain Perkerasan Jalan dan Perkuatan Lereng Longsor Asrul Saputra; Edy Purwanto; Miftahul Fauziah
Rekayasa Sipil Vol. 17 No. 2 (2023): Rekayasa Sipil Vol. 17 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.02.11

Abstract

This study aims to provide an alternative design for flexible pavement and slope reinforcemen. To simplify the analysis process, this research will use the Geo5 program, the Kenpave program, the Bina Marga 2017, the Fellenius method, and the Wedge method. The results of alternative 3 flexible pavement designs are AC-WC 4 cm, AC-BC 5 cm, AC Base 6 cm, and LFA Class A 40 cm, with a load repetition value of 2.363.985 ESAL until deformation damage occurs at a service life of 20 years. For the soil nailing slope reinforcement design, the safe factor value is 1.90 ≥ 1.30 for the Wedge method calculation, and the safety factor value is 1.34 ≥ 1.30 for the results of the Geo5 program.
Pemetaan Kerawanan Tanah Longsor di Hulu DAS Tanggul Indra Nurtjahjaningtyas; Gatrawan Muchammad Albirru; Entin Hidayah
Rekayasa Sipil Vol. 17 No. 2 (2023): Rekayasa Sipil Vol. 17 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.02.12

Abstract

Landslides are one of the natural disasters that often occur in the Upper Tanggul Watershed. This study aims to produce a landslide susceptibility map based on the Geographic Information System (GIS). Seven landslides conditioning factors used, namely land cover, river density, slope, aspect, elevation, curvature and Normalized Difference Vegetation Index (NDVI). Landslide susceptibility areas were mapped using the frequency ratio and weights-of-evidence methods. The accuracy of the landslide susceptibility maps generated from both methods is validated using the Area Under Curve (AUC). The estimation results of the AUC plot show that the susceptibility map using the frequency ratio model has an accuracy of 92,6% and the weights-of-evidence method has an accuracy of 90,1%.
Nilai Indeks Kesiapan Program Modernisasi Irigasi pada Daerah Irigasi Sucen Jawa Tengah Melfina Roselyn; Ignatius Sriyana
Rekayasa Sipil Vol. 17 No. 2 (2023): Rekayasa Sipil Vol. 17 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.02.13

Abstract

Modernization of irrigation systems plays a huge role in realizing a participatory irrigation management system oriented towards efficiency, effectivity, and sustainability of irrigation systems to support food and water security. This study aims to evaluate the modernization readiness of the Sucen Irrigation, referring to the five pillars of irrigation modernization as measured by the readiness index score (IKMI). The method used in this research is direct observation and interviews. The result from this study shows that Sucen Irrigation Area got a moderate category with a total score of 63.5 which the result for each pillar is 14.8 of the IKMI score for Water Availability, 17 for Irrigation Facilities and Infrastructure, 10.6 for the Irrigation Management System, 14.2 for Institutional Management, and 6.9 for the last pillar which is Human Resources Management. Therefore, the moderate category points to modernization should be postponed to improve the irrigation system within 1-2 years.
Model Prediksi Kecelakaan Kendaraan Sepeda Motor pada Ruas Jalan di Kota Ambon Frando Simon Hukom; Ludfi Djakfar; Muhammad Zainul Arifin
Rekayasa Sipil Vol. 17 No. 2 (2023): Rekayasa Sipil Vol. 17 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.02.14

Abstract

This study aims to model the prediction of motorcycle vehicle accidents in Ambon City. Factors reviewed in this study include socioeconomic and travel patterns, driving equipment and preparation, driving habits, and driving behavior. The survey was conducted using interview and questionnaire survey methods with a total of 250 respondents. The research method used is data analysis using Structural Equation Modeling (SEM). The results of motorcycle accident modeling show that the first biggest influence on the prediction of an accident is the driver's behavior characteristic variable, with the indicator that describes the cause of a traffic accident is the indicator of driving over the speed limit. Thus when a motorbike driver drives his vehicle fast and exceeds the speed limit, the higher the possibility that the driver will experience a traffic accident. So it is necessary to have cooperation between the police and related parties in dealing with accidents and reducing the risk of traffic accidents such as providing outreach or information, through newspaper or electronic media to the people in Ambon City regarding the dangers of driving over speed or speeding while driving on the road Ambon City.
Investigating Knowledge Management Maturity Level in Medium-sized Construction Companies Kartika Puspa Negara; Saifoe El Unas; Mita Wulan Savitri
Rekayasa Sipil Vol. 17 No. 2 (2023): Rekayasa Sipil Vol. 17 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.02.15

Abstract

Construction companies are knowledge-intensive industries that operate in highly competitive environment. They have to utilize their knowledge effectively to maintain their competitiveness. There are extensive literature explaining how large organizations have established effective knowledge management (KM) initiatives, which is in contrast to the little attention given to small and medium construction companies (SMEs). In fact, in East Java Indonesia, SMEs construction companies account for more than 90% of the construction sector. For these companies, to exploit the optimal benefits of KM, knowledge maturity could be used as a way of providing practical decision assistance. Therefore, this study aims to investigate the maturity level of KM in medium-sized construction companies. APO KM assessment tools are employed to address the objective of this study. This research found some areas that need to be improved by small-medium construction companies in order to enhance their knowledge management. It is expected that this study nourishes the existing literature on knowledge management areas.
Model Peluang Kecelakaan Mobil Penumpang pada Ruas Jalan Nasional Gempol Kabupaten Pasuruan Vicitra Pradyavita; Muhammad Zainul Arifin; Sobri Abusini
Rekayasa Sipil Vol. 17 No. 2 (2023): Rekayasa Sipil Vol. 17 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.02.16

Abstract

The increase in accidents is caused by a vehicle, humans, roads, and environmental factors. On the gempol national road in Pasuruan,Regency,0this;study;aims,to;identify;the;characteristics;of,car,drivers, roads, and opportunity models that cause accidents. Data analysis using Structural Equation Modeling (SEM) included 243 questionnaires of drivers who had experienced accidents. Road Characteristics based on user perceptions that focus on geometric conditions at the accident site are the most prevalent accident modeling results that affect accident intensity. If we want to reduce accident rates, we should prioritize addressing geometric conditions at accident sites, as well as socializing traffic awareness and installing signs in accident-prone areas.
Evaluation of Project Work in a Public Service Building in East Java Andhika Dwi Kurniawan; Arief Rachmansyah; Yatnanta Padma Devia
Rekayasa Sipil Vol. 17 No. 3 (2023): Rekayasa Sipil Vol. 17 No. 3
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.03.1

Abstract

In the process of implementing a project, few people find projects that go according to plan. In general, there are projects that are behind schedule, both in terms of time and schedule, but there are also projects that experience acceleration from the originally planned schedule. Project delay is a problem that arises as a result of unplanned construction implementation. Damage to the state due to additional costs and delays is one of the impacts of project delays. The purpose of this research is to track project implementation, identify factors that cause delays, calculate the cost of delays that occur, find root causes and suggest alternative solutions that can be used to anticipate project delays. Monitoring and evaluating delays require an approach that includes the use of Microsoft Project Tracking, Fishbone Charts, and Root Cause Analysis. Alternative methods are used to track performance and analyze delays in public service building projects. The results showed a lack of understanding of human resources in terms of planning/evaluating existing plans, lack of training programs related to the field of work being handled, and poor schedule planning causing a lack of lightning rods, installation in the main building, lighting in changing rooms, grounding systems, central duct/airline, less power cables than needed and original water source using PAM water converted into deep pumping wells.
Analisis Kinerja Struktur Gedung Bertingkat Menggunakan Sistem Rangka Pemikul Momen Khusus (SRPMK) pada Pembangunan Rumah Susun Cakung Jakarta Timur Hesty Auliya Dewi; Erno Widayanto; Ketut Aswatama Wiswamitra
Rekayasa Sipil Vol. 17 No. 3 (2023): Rekayasa Sipil Vol. 17 No. 3
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.03.2

Abstract

Analysis of the structural performance of the Cakung house in East Jakarta aims to determine the behavior and performance of the building by using the Special Moment Bearing Frame system (SRPMK). Evaluation is carried out on the performance of the building structure by using a structural analysis aid program. And the lateral force capacity that the system can withstand is 1592432.05 Kgf in the X direction and 643948.61 Kgf in the Y direction. Where the pushover analysis using the ATC 40 method, the melting point occurred for the first time at a displacement of 23.57 cm in the X direction and 7.28 cm in the Y direction. And serious damage occurred at the displacement of 77.49 cm in the X direction and 94.84 in the Y direction. The analysis found that the drift ratio value of the maximum total deviation and the maximum inelastic deviation that occurs in the structure is less than 1%. So that the level of performance of the design is in the category of Immediate Occupancy (IO).
Perbandingan Nilai Simpangan Horizontal yang Menggunakan Bresing Tipe Diagonal dengan Inverted V dalam Menahan Gaya Lateral pada Studi Kasus Hotel Loji Kridanggo Boyolali Ratu Adila; Erno Widayanto; Ketut Aswatama Wiswamitra
Rekayasa Sipil Vol. 17 No. 3 (2023): Rekayasa Sipil Vol. 17 No. 3
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.03.3

Abstract

Application of a bracing skeletal system is an additional steel structure that can strengthen a column by transferring weights and force to the received column. The broad use of flensa steel bracing type v diagonally and inverted gradually on each floor. It is possible to determine the junction of the junction if the building is brewed and not braced. The junction to cross section of the building does not use bracing, which USES bracing type v diagonal and inverted is 0.385:0.321:0.294. Bracing inverted type v is more rigid and sturdy than bracing diagonal types shown by the deviation of horizontal bracing the inverted type v smallest and volume 12.5 percent greater than bracing the type diagonal.
Analisis Kinerja Biaya dan Waktu dengan Metode Earned Value pada Proyek Transportasi Bandar Udara Isfan Dina; Budi Susetyo; Agus Suroso
Rekayasa Sipil Vol. 17 No. 3 (2023): Rekayasa Sipil Vol. 17 No. 3
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.03.4

Abstract

The Ministry of Transportation plans to build 16 national strategic airports by 2021. The airports to be built are spread from Sumatra to Papua with a total budget of IDR 1.6 trillion. Projects that are complex and dynamic in their implementation have caused many projects not to go according to plan. Both in terms of time, cost and labor. For this reason, it is necessary to have a consistent and integrated control mechanism for project performance. Earned Value Management (EVM) is one of the appropriate project management techniques used to compare actual work performance against project plans. Outline of project control can identify such as: Time and Schedule ; Is the time used to be longer or faster than the original plan? then, Budget and Costs; Does the budget used exceed the initial budget that has been determined or not, and Performance; Does performance lead to real productivity at the time of reporting? The results of the study explain that in weeks 9 to 12 the SPI value < 1 which indicates that the project is experiencing delays, and starts on schedule in week 13 and accelerates in week 14 while in weeks 15 and 16 it experiences delays again because the value SPI < 1 and back on schedule in week 17. Meanwhile, based on the value of the Cost Performance Index (CPI) only in week 11, the value of CPI < 1 shows that the actual costs incurred are greater than the completion of the volume of work, resulting in cost overruns). and the amount of money needed to complete the rest of the work is Rp. 1,519,229,597.61 with a total project cost of Rp. 6,779,248,539.11 and the estimated time for completion of this project is 22 weeks.

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