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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 293 Documents

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Evaluasi Kegagalan Dinding Penahan Tanah Pada Lereng Jalan Raya Rembangan Kabupaten Jember Ayu Dwi Lestari; Paksitya Purnama Putra; Indra Nurtjahjaningtyas
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 10 No 2 (2022): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Juli 2022)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v10i2.4414

A reinforced concrete type retaining wall was built in 2017 to strengthen the slope stability of Rembangan highway, Jember Regency, Indonesia. However, in 2018 the building was damage. Until now, the cause of the failure of the retaining wall is still unknown. This study aims to evaluate the causes of the failure of retaining walls and the stability of retaining walls on the slopes of the Rembangan highway, Jember Regency. The research methodology begins with primary and secondary data collection before processing the data using conventional methods and auxiliary software. After data processing, data analysis was carried out to find conclusions about the cause of the failure of the retaining wall. Result analysis showed that the retaining walls have a low level of safety factor for rolling stability, shear stability, and bearing capacity stability. In addition, the factor of safety for the bearing capacity of the group pile foundation as a reinforcement of retaining walls also shows a smaller value than that charged. In addition, the group pile foundation can suffer a total settlement of 1.28 m.

Perencanaan Bangunan Pelindung Pantai di Kawasan Pantai Pesaren Belinyu Provinsi Kepulauan Bangka Belitung Atiqoh Dwi Lestari; Endang Setyawati Hisyam; Indra Gunawan
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 10 No 2 (2022): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Juli 2022)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v10i2.4441

Pesaren beach is one of the beaches in Bintet Village, Belinyu District, Bangka Belitung Islands Province, where this beach has been functioned as a tourist area as well as a boat port for fishermen. A frequent problem in Pesaren beach is the abrasion that causes damage to local infrastructure; hence, a coastal protection plan is needed to prevent further losses. This research aims to find out the pattern of currents and sediments using the auxiliary applications, as well as to determine and plan the type of coastal protective building that is appropriate with the Pesaren beach conditions. Based on planning analysis, the dominant cause of abrasion is large waves from the north, as well as other factors, i.e., the direction of currents and sediments dominant that perpendicular to the coast; therefore, the type and shape of selected coastal protective buildings were proposed with the following specifications: breakwater with a height (HT) of 5.2 m, peak width (lp) of 1.5 m, total base width (b) of 26.7 m, breakwater (ly) length of 350 m, protection layer width (t) of 1 m, number of stones per 10 m² (N) of 86 grains, weight of main layer stone grains (W) of 0.179 tons, weight of second-tier stone grains (W/10) of 0.0179 tons, weight of stone grains at the core of the structure (W/200) of 0.000895 tons, and weight of breakwater foot grains (W/15) of 0.0119 tons.

Evaluasi Stabilitas dan Penanganan Lereng Produk Aktivitas Vulkanik Kuarter Pada Pembangunan Jalan Baru Shortcut 4 BTS. Kota Singaraja – Mangwitani, Bali Daru Jaka Sasangka; Rakhman Taufik; Afriza Noor
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 10 No 2 (2022): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Juli 2022)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v10i2.4447

Potential problems of rock-slope landslide were found in the construction of the new shortcut 4 road on the BTS national road section from Singaraja City to Mangwitani, Bali, Indonesia. The source of landslide potential is from andesite with intense stiffness found during excavation work of the road body. The potential for rock-slope landslides can threaten the bridge abutment building above. The andesite-slope product location of shallow intrusion is exactly on the shores of Lake Bratan. This study aims to determine the level of elevation of the slope based on each type of failure as well as empirical treatment recommendations. The research method was done by applying a local geological mapping to determine rock types, field measurements by scanning rock outcrop locations, and a calculation of rock-mass-quality values using the Rock Mass Rating (RMR) method. Whereas the Rock Quality Assessment was carried out using the Rock Mass Rating (RMR) method, the slope evaluation was carried out using the Slope Mass Rating (SMR). The study used types of potential landslides and values, namely, planar landslides with an SMR value of 30.18 (Unstable) and a landslide probability of 0.6, wedge landslides with an SMR value of 57.6 (Partially Stable) and a landslide probability of 0.4, and the potential for tipping landslides with an SMR value of 47.6 (Partially Stable) and a landslide probability of 0.4. SMR values indicate that rock slopes require further handling/treatment to get a stable slope. In addition, the slope angle of 650 is sufficient.

Evaluasi Tingkat Kerusakan Jalan dengan Metode Bina Marga dan Pavement Condition Index pada Jalur Evakuasi di Kabupaten Aceh Barat Hilma Erliana; Cut Liliiza Yusra; Ade Dwinta
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 10 No 2 (2022): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Juli 2022)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v10i2.4469

After earthquake and tsunami in 2004, Aceh Barat Regency had been trying to reduce disaster risk by making evacuation routes for residents from disaster-prone areas to high and safe places. However, currently several existing evacuation routes are in a badly damaged condition, namely the Alue Peunyareng - UTD Ujong Tanoh Darat Village, Meureubo District and the Meulaboh - Tutut Keuramat Village, Kaway XVI District. If the condition of the road is in a badly damaged condition, during the disaster evacuation process, this area will experience many obstacles, i.e., the level of driving safety and slower vehicle travel time. This study aims to evaluate the level of road damage on the two existing roads by comparing the Bina Marga and Pavement Condition Index (PCI) methods. The data was collected by field observations through measuring the level of damage, and the Average Daily Traffic (LHR) survey. The analysis results by two methods showed that the condition of the Alue Peunyareng - UTD road, Ujong Tanoh Darat Village, Meureubo District was very poor category with an average PCI value of 23.30 and the priority value of handling is 4 with periodic maintenance recommendation, whereas the Meulaboh road - Tutut Keuramat Village, Kaway XVI District was poor category with an average PCI value of 31.33 and a priority value of 3 with road improvement recommendation. The recommendation for alternative treatment is to replace the pavement by calculating the additional pavement layer thickness or by recycling the existing pavement for a more efficient cost.

Optimalisasi Stabilitas Lereng pada Daerah Sempadan Sungai Santer Kecamatan Gumukmas Kabupaten Jember Moch. Wahyudi Riskyanto; Paksitya Purnama Putra; Luthfi Amri Wicaksono
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.v11i1.4531

The Santer Riverbank which is located in Panggul Melati Hamlet, Kepanjen Village, Gumukmas District, Jember Regency, East Java is still used by the community for agricultural land. This research was conducted to create safe agricultural land for the community. Landslides on this riverbank often occur because it is located on the edge of the river and has a steep slope. In the observation in 2022, there is a collapsed riverbank approximately 20 meters in front of the river embankment. To prevent a longer landslide area, the slopes on the river border are optimized so that residents can still use the land safely. The selected reinforcement is made based on the geometric conditions and the results of the SF value from modeling the existing conditions using the Geostudio program. Appropriate reinforcement based on geometric conditions and SF values is a balancing method. close to the counterweight method, the geometric conditions are more optimal with the SF value increasing from 1.099 to 1.623

Evaluasi Metode Perbaikan Tanah Lunak dengan Preloading Kombinasi PVD-PHD pada Proyek Pembangunan Jalan Tol Semarang-Demak Paket II Irvita Asri Aini; Eggy Ihza Maulana; Hinawan Teguh Santoso
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.v11i1.4622

Soil condition in the construction of the Semarang-Demak II Toll Road Project on the northern coast of Java Island is dominated by soft soil. Soft soil has the potential to cause problems such as relatively low permeability, poor bearing capacity, and large long-term settlements that will cause damage to the construction above it in the future. Therefore, it is necessary to improve the soft soil capacity, one of which is the Preloading and PVD-PHD combination method. This study aims to evaluate the value of settlement and consolidation time of embankment on soft soil between design and construction. The research method is carried out by field investigation/survey methods to obtain data on the settlement magnitude and consolidation time of embankment, and find possible causes of differences. The study found that there were differences in the value of the settlement and the consolidation time between the design and actual conditions in the field. The final settlement when the degree of consolidation reached 90% was observed to be almost the same between the design and actual condition, where the difference was 0.0063 meters or 2.81%. However, a significant difference was found between the time of consolidation for design and construction, which was 28 days (14.70%) faster than the estimation time. Factors that influence the difference in consolidation time, include: the volume weight of the preloading embankment in the field is 1.65 kN/m3 (9.70%) higher than the plan, the embankment elevation in the field is 0.237 meters (3.36%) higher than the design, and the use of drainage well to dissipate water trapped in the “trap-zone” in the middle of the embankment.

Analisis Penanganan Longsoran Pada Bangunan Pelimpah Bendungan Ciawi 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.

Penurunan Konsolidasi Tanah Lempung Kecamatan Sambi Kabupaten Boyolali yang Distabilisasi dengan Limbah Keramik Qunik Wiqoyah; Sinta Thisya Wulandari; Danang Tri Wijaya
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.v11i1.4542

Based on the preliminary test results, the original soil of the Sambi Boyolali area is classified as inorganic clay with high plasticity. It has a plasticity index value of 31.93%, therefore stabilization is required so that the soil is able to withstand the load of the structure above it. Stabilization was carried out by mixing the soil with ceramic waste that passed the No. 4 sieve with variations of ceramic waste 2.5%, 5%, 7.5%, and 10% of the weight of the soil sample, which aims to determine changes in physical properties and mechanical properties (consolidation settlement) before and after the soil is stabilized. The results of the physical properties test of the soil after being stabilized with ceramic waste showed a decrease in the value of water content, specific gravity, liquid limit value, and plasticity index as well as an increase in the plastic limit value, shrinkage limit value and the amount of soil that passed sieve No. 200. Soil classification changed from inorganic clay with high plasticity in the original soil, to inorganic clay with low plasticity when mixed with 10% ceramic waste. The results of the mechanical test showed an increase in the value of the maximum dry volume weight of the soil (γdmax) as well as the value of the consolidation coefficient (Cv), and a decrease in the compression index value (Cc) and the consolidation settlement value (Sc).

Analisis Debit Banjir Rencana Daerah Tangkapan Air Waduk Tugu Menggunakan HEC-HMS Anas Zulfikar Rasyid; Suharyanto Suharyanto; Robert Johanes Kodoatie; Yogi Pandhu Satriyawan
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.v11i1.5605

Over the course construction of Tugu Reservoir, it is proposed to build a spillway gate to increase its performance as a flood control infrastructure. The construction planning of spillway gate requires a calculation of design flood discharge for Tugu Reservoir Catchment Area. The latest calculation was carried out during its construction planning in 2010. Therefore, it is necessary to evaluate and recalculate the design flood discharge using the latest data. This study aims to model design flood discharge of Tugu Reservoir Catchment Area using HEC-HMS software. This software is able to simulate rainfall-runoff modeling in a catchment area. Based on field conditions, Tugu Reservoir catchment has parameters, curve number value of 79, impervious value of 5%, and a lag time of 4.81 minutes. The result of the HEC-HMS modeling shows that the design flood discharge of Tugu Reservoir for Q100 is 369,30 m3/s; Q1000 is 656,70 m3/s; and QPMF is 995.30 m3/s. Based on the test using Creager Graph, the design flood discharge for Tugu Reservoir is still in the reasonable category with C value below 100. The result of the HEC-HMS modeling is not much different from the calculation result of Tugu Reservoir Construction Planning in 2010.

Rasionalisasi Pos Curah Hujan Menggunakan Metode Kagan di DAS Ciliwung untuk Operasi Bendungan Ciawi dan Sukamahi 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.

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Home Page

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Editorial Team

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Google Scholar

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