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BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil

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Published by Universitas Islam 45 Bekasi

ISSN : 23025891 EISSN : 25793187 DOI : https://doi.org/10.33558/bentang

Core Subject : Engineering,

Civil Engineering, Building, Construction & Architecture Transportation

BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil is theoritical and applied Civil Engineering journal for scientific publication issued twice in every volume (January and July). First published in January 2013, already indexed by Dimensions, Google Scholar, Base, Garuda, and Sinta. BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil is the journal open access. BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil p-ISSN: 2302-5891, e-ISSN: 2579-3187 is a peer-reviewed, scientific journal published by Universitas Islam 45 Bekasi. FOCUS & SCOPE: Structural Engineering Construction Engineering & Management Geotechnical Engineering Transportation Engineering Water Resources Engineering

Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur

Articles 452 Documents

41 42 43 44 45

Analisis Penanganan Longsoran Pada Bangunan Pelimpah Bendungan Ciawi: Analysis of Landslide Handling in the Ciawi Dam Spillway Building Nur Alvi Anisa; Ignatius Sriyana; Suseno Darsono
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 11 No 1 (2023): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2023)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v11i1.5609

The shallow landslide on the left slope of the Ciawi Dam spillway occurred in June 2020. The landslide occurred gradually and disrupted the progress of the dam construction. Therefore, this study aims to analyze the stability of the slope and determine the safe number of the slope then providing recommendations for proper handling. The method used in this study is the limit equilibrium method with the SLOPE/W geostudio program which is run in two methods of determining safety factor, Bishop and Fellenius/Ordinary. Based on the results of the stability analysis, the safety factor is 0.915 for Bishop method and 0.852 for Ordinary method. The first attempt at handling the slopes was to reduce the slope, but this effort did not provide a significant increase in the number of safety factor. The next handling is to use the reinforcement of 3 borepiles with a depth of 35 m, 40 m, and 45 m with a distance between the piles of 40 mm with a shear strength of 150 kN. This effort provides a safety factor number of 1.754 Bishop's method and 1.546 Ordinary’s method with the result that it meets the safety requirements of slope reinforcement.

Rasionalisasi Pos Curah Hujan Menggunakan Metode Kagan di DAS Ciliwung untuk Operasi Bendungan Ciawi dan Sukamahi: Rainfall Station Rationalization using Kagan Method in Ciliwung Watershed for the Ciawi and Sukamahi Dams Operations Propezite Nurhutama Mustain; Dyah Ari Wulandari; Hari Nugroho; Suripin Suripin
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 11 No 1 (2023): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2023)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v11i1.5614

Hydrological stations are an important element in order to provide preliminary information to dam managers in planning and managing dams. Rainfall data generated from rainfall stations is one of the inputs in hydrological analysis that can be used in dam management. To support the hydrological analysis, an appropriate network of rainfall stations is needed, both in terms of the number and location of rainfall stations. Therefore, it is necessary to study the rationalization of the hydrological station network within the Ciliwung Watershed, so that it can be utilized in dam operations. The purpose of this study is to obtain an efficient and effective network of rainfall stations in the Ciliwung watershed to support the operation of the Ciawi and Sukamahi Dams. In this case, the Kagan method was used in the analysis of the rationalization of the rainfall station network by producing the optimum number of rainfall stations in the Ciliwung watershed, that is 29 rainfall stations. Based on these results, the number of rainfall stations in the Ciliwung watershed has met in terms of number, but the location point needs to be adjusted to the Kagan triangle.

Analisis Respon Tekanan Air Pori Terhadap Muka Air Waduk Pada Bendungan Jatibarang: Analysis of Pore Water Pressure Response to Reservoir Water Level in Jatibarang Dam Angga Setyadi; Suharyanto Suharyanto; Sutarto Edhisono
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 11 No 1 (2023): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2023)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v11i1.5666

The construction of dams is very important for fulfill water demand and as flood control. In addition to having many benefits, a dam also has a high risk. The stability of the dam is strongly influenced by the magnitude of the pore water pressure. The purpose of the study was to determine the response of pore water pressure to the reservoir water level, as well as to find out the comparison of the results of pore water pressure analysis using plaxis 2D and piezometer instrument readings. The piezometer readings are graphed as a function of the reservoir water level. Based on the graph, it can be seen that the piezometer readings correspond to the fluctuations in the reservoir water level. The piezometer upstream side have a faster response to the reservoir water level, which is between 14 to 41 days. While downstream piezometers have a longer response, which is between 25 to 61 days. Pore water pressure analysis using plaxis 2D at location P.17 (upstream) resulted in a smaller value than piezometer reading. While at location P.18 (downstream) it produces a greater value than the piezometer reading. The relative error value of the two analyses is 7.73% < 12% is still considered good, so the difference is acceptable.

Produktivitas Tenaga Kerja Pemasangan Marmer Metode Basah dan Kering Pada Proyek Masjid di Kota Solo: Labor Productivity of Wet and Dry Marble Installation in Mosque Project in Solo City Gabriella Ananda Cahyaningtyas Kusumaningrum; Arif Yusup Ramadhan; Agung Bhakti Utama; Febri Fahmi Hakim
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 11 No 1 (2023): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2023)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v11i1.5667

Construction work needs to be controlled for its performance through productivity calculations in order to achieve optimal cost and time. Marble covering work has a considerable weight. However, studies discussing the calculation of labor productivity for marble covering work are still few. This study aims to determine the value of productivity, coefficients, and productivity levels of labor (Labor Utilization Rate) in completing the installation of marble coverings using the wet method for floor coverings and the dry method for wall coverings with parallel patterns and diagonal patterns. The study used a work sampling method with a productivity rating approach. Primary data were collected by sampling the volume of marble covers of 482.400 m² and observations on labor groups consisting of craftsmen and helpers in predetermined zones. Furthermore, analysis was carried out using quantitative techniques of parametric inferential statistical type where the data was confirmed to be normally distributed using SPSS software. The results showed that the labor productivity of marble floor coverings was 9.896 m² / day with a coefficient of craftsman and helper of 0.101 each and a Labor Utilization Rate of 58%. Second, the labor productivity of parallel pattern marble wall coverings is 12.589 m²/day with a coefficient of craftsman and helper of 0.159 each and a Labor Utilization Rate of 57%. The labor productivity of diagonal pattern marble wall coverings was 1,549 m²/day with the efficiency of craftsman and helper of 0.646 and the Labor Utilization Rate of 55%, respectively. The results showed that the labor of marble cover work is quite productive because it has a productivity level above 50%.

Optimasi Sistem Tata Air pada Daerah Irigasi Rawa (Food Estate) Dadahup Kabupaten Kapuas Provinsi Kalimantan Tengah: Optimization of the Water Management System in the Swamp Irrigation Area (Food Estate) of Dadahup, Kapuas Regency, Central Kalimantan Province Rawiyana Galih Anfasa; Elma Yulius; Sri Nuryati; Eko Darma; Anita Setyowati Srie Gunarti; Fajar Prihesnanto
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 11 No 1 (2023): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2023)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v11i1.5680

The Swamp Irrigation Area (DIR) of Dadahup District is a former Peat Land Development (PLG) with an area of around 21,226 Ha. The water management system at DIR Dadahup utilizes changes in sea tides as a source of water to the land and drainage to drain water out of the land. However, in its implementation, DIR Dadahup experienced several problems such as flooding during the rainy season and experiencing drought during the dry season. These conditions indicate the need for land management and water management systems to overcome existing problems. The purpose of this study was to optimize the water management system for irrigation by optimizing the functions and benefits of swamp land in Dadahup, Kapuas Regency, Central Kalimantan Province. Optimization of the water system is carried out by modeling using the HEC-RAS program. Flow modeling with HEC-RAS in irrigation canals can be simulated into two scenarios, namely scenarios using gates and scenarios with doors and pumps for the rainy and dry seasons. Based on the results of the modeling analysis that has been carried out, the surface elevation during the dry season is in the range of +0.06 ms/d + 0.77 m, which is below the average land elevation (+0.8 m MSL). experience drought because the water in the canals cannot irrigate the land. The water level during the rainy season is in the range of +0.82 ms/d +1.53 m, which is above the average land elevation. It can be concluded that irrigation canals cannot accommodate the overflow of water that occurs at the planned discharge so that the land is flooded. The scenario model is suitable for the Dadahup DIR land use, namely with the door and pump scenario, the water level elevation for the dry season and the rainy season can reach the target of +1.0 m, then the water level elevation for the rainy season can also reach the target of +0, 7m.

Perilaku Berkendara Dampak Penerapan Electronic Traffic Law Enforcement (ETLE) Pada Simpang Bersinyal di Kota Pangkalpinang: Impact of Implementation of Electronic Traffic Law Enforcement (ETLE) on Driving Behavior at Signalized Intersections in Pangkalpinang Revy Safitri; Muhammad Fahri; Reza Arlianda
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 11 No 1 (2023): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2023)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v11i1.5684

Bangka Belitung Province is one of the provinces implementing ETLE to reduce the number of traffic violations. The implementation of ETLE in Bangka Belitung Province has been applied since March 2022 which has given an impact on changes in driver behavior. Driving behavior can be said to be the reaction of the driver/ rider to the environment when driving a vehicle. Based on previous research, it is known that driving behavior can be measured through the Driver Behavior Questionnaire (DBQ). Therefore, this study adopts DBQ to measure changes in driving behavior due to the implementation of ETLE in Pangkalpinang. This study aims to find out how the behavior of driver using the road after the application of Electronic Traffic Law Enforcement (ETLE) at signalized intersections in Pangkalpinang. The result indicates that driver/ rider “have almost never committed a violation by not wearing a safety belt while driving” and “have almost never using a cell phone while driving or when the vehicle is stopped at an intersection when the traffic light is red since the implementation of ETLE”. It can be concluded that the results of the analysis of violations recorded on ETLE are in line with the results of the analysis of driving behavior. However, further analysis is needed to determine the significant impact of implementing ETLE on driving behavior. The application of ETLE is expected to reduce violations that can trigger traffic accidents. Furthermore, the results of this study can be used as a basis for determining policies related to the transportation sector, especially improving traffic safety.

Penentuan Muka Air dan Jenis Lapisan Tanah Menggunakan Metode Geolistrik: Determination of Ground Water Level and Soil Type Using Geoelectric Methods Randhi Saily; Harnedi Maizir; Ridho Azhari
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 11 No 2 (2023): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Juli 2023)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v11i2.5859

The tools that are often used, such as sondir and SPT, are quite heavy and require a long measurement time span, making it difficult to determine the shear strength of the soil, both in the laboratory and in the field.. This study uses the resistivity geoelectric method of the Wenner Alpha configuration supported by the Naniura NRD 300 HF tool. The aim is to determine the estimated groundwater level and determine the resistivity value of each type of soil layer below the surface of the study area. This study performs 2D measurements to calculate 1-D and 2-D geoelectric resistivity with electrodes arranged lengthwise to form a straight line. Using the IP2WIN software, the measurement results are processed to produce a 2D apparent resistivity section that describes the color image distribution values of the soil surface layer. The measurement results on track 1 shows a resistivity value between 3,512 – 1.539 Ω.m with a length of 90 m at a depth to 15.05 m. The predicted groundwater level elevation is located 0.656 meters below the surface of the ground. Track 2 has a span length of 60 meters and resistivity values ranging from 29.55 to 207.1.m, with a predicted groundwater level at a depth of 0.72 m below the surface. The types of soil layers are clay mixed with sand, sand mixed with gravel and sandstone mixed with gravel.

Evaluasi Penurunan Oprit Pada Salah Satu Proyek Jembatan di Kalimantan Tengah: Evaluation of Oprit Settlement in One of Bridge Project in Central Kalimantan Achmad Fajar Shodiq; Paksitya Purnama Putra; Luthfi Amri Wicaksono
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 11 No 2 (2023): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Juli 2023)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v11i2.5867

One of the bridge construction projects in Kalimantan was built on soft soil using a piled embankment reinforcement system. The reinforcement used is a combination of minipile and geotextile poles. However, after the landfill was carried out on the bridge embankment, a settlement is occured of approximately 0.6 m in a period of 3 months. Studies are conducted to evaluate and review the causes of decline. In addition, optimization of the design was carried out in this study. Evaluation is carried out by reviewing the bearing capacity of single and group piles of the minipile based on Standart Penetration Tests data. The calculation of load distribution on piled embankments follows the regulation of BS 8006. Deformation analysis is performed with Plaxis 2D program. Based on the analysis results, it was found that the ultimate bearing capacity of the pile group under the embankment was not able to withstand the working load. The settlement that occurred in the bridge's oprit was most likely caused by the collapse of the soil. Based on the consolidation analysis using plaxis, a value of 0.6 m was obtained within 90 days. Based on the evaluation results, the optimization of the design was carried out using the same method, namely using a pile embankment but differed in the dimensions and installation configuration. The design optimization results show that the bearing capacity is sufficient and the resulting average total deformation is 0.0435 m.

Studi Kompressibilitas Tanah Vulkanik yang Dipadatkan Dengan Cara Statik dan Dinamik: Compressibility Study of Volcanic Soil Compacted by Static and Dynamic Methods Gagas Prabowo; Paulus Pramono Rahardjo; Rinda Karlinasari
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 11 No 2 (2023): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Juli 2023)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v11i2.5916

Road construction projects in Indonesia are often located on volcanic soils, where borrow pit options will be limited to volcanic soils. In the construction of compacted earth roads generally have an immediate settlement, but in fact there is a long-term settlement in compacted soil. In general, the compaction carried out in the field is different from that in the laboratory. Where compaction in the field leads to static conditions while in the laboratory it is dynamic. This study aims to analyze the mechanism of static or dynamic compaction and its relationship with compressibility. Determination of creep using Oedometer testing with saturation and unsaturated methods. Laboratory test results show that different compaction methods will affect the dry unit weight value of the soil, where in this test the dry unit weight value for dynamic compaction is 1,38 g/cm3 and for static compaction it is 1,44 g/cm3 or an increase of 4,35% to 7,96% . The value of the secondary consolidation coefficient increases along with increasing load on the Oedometer test, but with different characteristics for each sample. In this study, the secondary consolidation coefficient tends to decrease by 10% – 40% when using higher compaction energy. While the compressibility index value decreased to 52%.

Evaluasi Efektivitas Layanan Pada Jalan Tol Balikpapan-Samarinda Dalam Memenuhi Kepuasan Pengguna: Evaluation of Service Effectiveness on Balikpapan-Samarinda Toll Road in Meeting User Satisfaction Zsagheta Ihwal Rezky; Apif Miptahul Hajji; Henri Siswanto
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 11 No 2 (2023): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Juli 2023)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v11i2.5957

The construction of toll roads is aimed at accelerating means of transportation, tourism and economic growth as well as shortening the travel time. In order to support the implementation of these objectives, a toll road minimum service standard has been established. This study aims to assess how effective the Balikpapan-Samarinda Toll Road service is in meeting user satisfaction. There are 30 service indicators for the Balikpapan-Samarinda Toll Road based on toll road minimum service standards that are measured to see the level of user satisfaction. The 30 service indicators represent the five dimensions of Servqual. The method used in measuring user satisfaction is the Customer Satisfaction Index (CSI) and Important Performance Analysis (IPA) and also SWOT analysis. The conclusions are (1) Based on the CSI method, the value of the service user satisfaction index is 74.11% which is included in the criteria of 'satisfied'. (2) Based on the IPA method, it shows that there are 7 service indicators included in Quadrant I, where the frequency of service indicators is not more than (1/4) 30 service indicators namely 8 indicators, indicating effective service in meeting user satisfaction. (3) Based on SWOT analysis produces a matrix that includes three SO strategies, two ST strategies, two WO strategies and three WT strategies , where the best strategy to apply is the WT strategy.

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Anita Setyowati Srie Gunarti

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Home Page

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Editorial Team

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Contact Name Anita Setyowati Srie Gunarti

Contact Email anitassgunarti@gmail.com

Phone +6281323206332

Journal Mail Official bentangunismabekasi@gmail.com

Editorial Address Jl. Cut Meutia No. 83 Bekasi

Location Kota bekasi, Jawa barat INDONESIA

Abstract

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Contact Name
Anita Setyowati Srie Gunarti

Contact Email
anitassgunarti@gmail.com

Phone
+6281323206332

Journal Mail Official
bentangunismabekasi@gmail.com

Editorial Address
Jl. Cut Meutia No. 83 Bekasi

Location
Kota bekasi,

Jawa barat

INDONESIA