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BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil

bentang
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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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Selection of Pavement Types on Village Roads in Bojonegoro Regency Putra, Heri Cahyono; Yulianto, Budi; Setyawan, Ary
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 2 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i2.9479

Bojonegoro Regency village road infrastructure development continues to be carried out through Special Financial Assistance. The choice of flexible pavement and rigid pavement types used in local construction has different characteristics, advantages and disadvantages. This comparison of pavement is relevant to the quality and cost of road maintenance. The research was conducted to analyze and assess the condition of village roads in Bojonegoro Regency by analyzing cost efficiency and analyzing the type of construction that suits village road needs, using the PCI (Pavement Condition Index) method to assess the condition of road sections and remaining service life. Samples were taken at 3 locations with results from Glagahwangi Village, Sugihwaras District, 77.33 (very good) with a repair cost of IDR 32,458,293 and remaining service life of 9.25 years, Sukowati Village, Kapas District 71.8 (very good) with repair costs IDR 34,501,280 and remaining service life of 7.44 years, and Pekuwon Village, Sumberejo District 78 (good) with repair costs of IDR 23,753,750 and remaining service life of 9.33 years. Pekuwon Village has the best efficiency of IDR 2,545,953,- per year compared to other village road pavement models.

Increasing Soil Bearing Capacity and Shear Modulus with Recycle Concrete Aggregate Pertiwi, Sheila Ananda Putri; Candra, Agata Iwan; Karisma, Dwifi Aprillia; Ali, Mahardi Kamalika Khusna
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 2 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i2.9517

Soil is an important component in building construction because it supports the structure. Clay soils often pose problems due to their high potential for swelling and shrinkage, which can result in cracking and building settlement. Stabilization of clay soil is an important solution. This research aims to evaluate the effect of recycled aggregate concrete (RCA) from laboratory construction waste on the characteristics of clay soil. The research method involved laboratory experiments, with a mixture of clay and RCA at 5%, 10%, and 15% variations. Testing includes Atterberg Limit, Standard Proctor Test, and Unconfined Compressive Strength (UCS). The results showed that adding RCA increased clay soil's bearing capacity and shear modulus. The peak bearing capacity was achieved by adding 5% RCA, with a Qu value reaching 265.24 kN/m². The shear modulus also increased from 41.63 MPa to 62.442 MPa with the addition of 5% RCA. Thus, the addition of RCA from laboratory construction waste can increase the bearing capacity and shear modulus of clay soil to support construction safety and the principles of sustainable development.

Identification of the Effect of Concrete Carbonation on the Strength of Cooling Tower Structures Using the Monte Carlo Simulation Method Supiyat, Agus; Biantoro, Agung Wahyudi
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 2 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i2.9530

Cooling Tower buildings are examples of construction that is directly exposed to adverse weather conditions that cause concrete damage in the form of carbonation. damage such as concrete cover spalling, cracks on the surface of concrete walls, and corrosion of reinforcement, Conditions like this need to be handled seriously because they have an impact on the structural safety factor of the building. This study aims to determine the effect of carbonation on the concrete structure of the Geothermal Power Plant Cooling Tower Building on Mount Salak which has experienced degradation of concrete quality due to carbonation. Concrete Analysis method to determine the relationship of the effect of carbonation on concrete strength in the Cooling Tower structure uses Monte Carlo simulation method based on measurements of concrete cover and carbonation depth. Monte Carlo simulation results to estimate the carbonation rate of concrete showed an average of 2.4 cm per year for a simulation period of 25 years. The average carbonation of concrete obtained from probability is 2.28. By repeating the simulation, an average value close to the estimate will be obtained from the coefficient of determination test results of 48.1%. The effect exerted by concrete quality on concrete carbonation is negative, meaning that better concrete quality will reduce concrete carbonation.

Seismic Performance Evaluation of Reinforced Concrete Building in Palu City Nugroho, Fajar; Tanjung, Jafril; Maidiawati, Maidiawati; Kurniawan, Ruddy
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 2 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i2.9570

The earthquake accompanied by a tsunami that occurred in Palu City in 2018 resulted in damage, especially reinforced concrete buildings, one of which was the FISIP Dean Building, Tadulako University. This study aims to evaluate the seismic performance of the building using SeismoStruct software. This software is able to predict the behaviour of large displacements of space frames under static or dynamic loading by considering geometric nonlinearity and material inelasticity. Building modelling is made based on Detail Engineering Design drawings. The results of the analysis in the form of a capacity curve show that the building's performance is at the life safety level, which means that structural components are damaged so that the building's strength is reduced. There are two types of building collapse mechanisms that occur, namely yielding in the reinforcement (yield) and collapse in the concrete cover (crush-unconfined). Collapse occurred in the column where it should have occurred in the beam.

Resistivity Model of Clayshale Layers in Dry Season and Early Rainy Season Conditions Case Study of the Jragung Dam Project Sasangka, Daru Jaka; Arisanto, Pranu; Dhanardono, Bhima; Riyanto, Didit Puji; Apriyoga, Wahyu
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 2 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i2.9576

The use of geoelectricity as subsurface data acquisition will be very helpful if used to perform correlations on rock formations. The aim of this research is to look at the pattern of subsurface resistivity values compared to the condition of rock layers or outcrops in the field. The geoelectric survey used the dipole dipole method with the Multichannel Resistivity MAE X 612 EM+ instrument. The case study was carried out at one of the excavation locations at Jragung Dam with sandstone and clay stone lithology with varying thicknesses. Conditions in the field are that the clay stone layer is starting to experience greater deformation compared to the sandstone layer. Worse deformation in claystone in the field is caused by durability values which are generally worse than sandstone and the greater water content in claystone even though its compressive strength is relatively greater. In the dry season, sandstone (Reference point 1) at a depth of 5m has a resistivity of >86 ohm.m, while claystone has 12 - 15 ohm.m. At the beginning of the rainy season sandstone 37 – 50 ohm.m, clay stone (reference point 1) resistivity 8-11 ohm.m. The resistivity of claystone does not change significantly with changes in conditions. Because the porosity and permeability of sandstone can change significantly under changing

Influence of Erosion Potential Analysis Based on Land Use Change in Upper Citarum Watershed Parhusip, Yemima Gaberiella; Anggraheni, Evi
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 2 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i2.9577

Population growth and scientific advances have led to increased human needs that can have an impact on the sustainability of the DAS environment. The Citarum River faces a number of problems, including a decrease in water quality due to pollution, depletion of water quantity especially in the dry season, siltation of rivers due to sedimentation and land degradation upstream of the watershed which is reflected in a large range of water discharge. This study aims to find out the rate of erosion related to land use changes in the Citarum Hulu watershed by using the USLE method combined with image interpretation. The results show that the erosion of rain in 2019 was 1017.64 Kj/ha, then the rate of erosion in land use in 2000 was 136.06 tons/ha/year, land use in 2010 was 217.94 tons/ha/year, and land use in 2023 was 186.72 tons/ha/year. The proposed control measures include structural strategies for erosion-prone areas on Citarum Hulu watershed. Thus, the results of the research can be considered by the local government in efforts to manage the watershed.

Palm Oil Fuel Ash Fineness in Modifying CBR Characteristics of Peat Soil Dwina, Dila Oktarise; Abiyoga, Nurza Purwa; Nurdin, Ade
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 2 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i2.9598

Palm Oil Fuel Ash (POFA) is a waste product from the palm oil industry that often causes environmental problems. Its potential as a pozzolan for soil stabilization has been proven; however, the low CaO content makes it an ineffective sole stabilization material. Some researchers suggest reducing the particle size of pozzolan materials to optimize stabilization. This research aims to evaluate the effectiveness of increasing POFA particle fineness in peat stabilization. The study uses samples stabilized with fine and coarse POFA at 30%, 35%, and 40% of the soil's dry weight. California Bearing Ratio (CBR) tests were conducted after curing for 0, 7, 14, and 28 days. Test results show that the highest CBR values for samples with fine and coarse POFA are 5.48% and 5.80%, respectively, with coarse POFA consistently outperforming fine POFA at all curing times. For samples with the same curing time, the CBR value difference between 30% and 40% POFA is less than 1.00, except for fine POFA at 40% after 28 days, which is 1.25 higher than 30%. However, the performance of peat samples with 40% fine POFA is only comparable to those with 35% coarse POFA after 28 days. Based on these results, it can be seen that POFA is more effective as a filler rather than a pozzolan material for peat soil. As a filler, coarse POFA can better enhance the stability of peat.

Cross-Sectional Capacities of Reinforced Concrete Structures Using Abaqus and Staadpro Software Kahfi, Rizaldi Al; Andardi, Faris Rizal; Rusdianto, Yunan; Wahyudiono, Sandi
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 2 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i2.9662

The Faculty of Computer Science building at Universitas Brawijaya is classified as a category II building because it is located in an earthquake-prone area so it is included in seismic design B. The building’s planning adheres to the regulations of SNI 2847:2019 and SNI 1727:2020. Software is required to efficiently and accurately analyze the forces acting on a structure. Generally, there are two main directions for software: structural design or planning, and research. Both design and research software are used as powerful analytical tools to solve complex problems such as structural behavior. The objective of this research is to analyze the cross-sectional capacity of the Faculty of Computer Science building at Brawijaya University using Abaqus and Staadpro software. The redesign process begins by analyzing the earthquake structure to be applied. Using the equivalent static analysis method, the redesign of this building involved obtaining design results for floor plates with dimensions of 120 mm, roof plates with dimensions of 100 mm, main beams measuring 300 x 600 mm, secondary beams with dimensions of 250x500 mm, and columns with dimensions of 600x600 mm. The analysis results of the cross-sectional capacity meet the criteria for special moment frame systems (SRPMK), specifically the Strong Column Weak Beam concept, are shear resistant, and comply with detailed requirements.

Performance Based Design: Performance Analysis on Fixed Base Structure and Structures with High Damping Rubber Bearing (HDRB) Maulida, Alfia Salma Mei; Umniati, B. Sri; Sulton, Mohammad; Maulidani, Andra Akmal
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 13 No 1 (2025): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (January 2025)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v13i1.10112

Buildings in Malang City face large lateral load from earthquakes due to seismic activity. One method of reducing the lateral load is to use base isolators. Conventional building design resists lateral load by designing buildings to be elastic or rigid with Strength Based Design criteria. However, elasticity results in larger building elements, stiffness increases the building's exposure to earthquake forces, and Strength Based Design is unreliable in shielding from earthquakes since its recommended to be a minimum design criterion by FEMA P-424. Therefore, more comprehensive design criteria such as Performance Based Design are needed. The objective of this study is to assess the analysis results and performance levels of fixed base structure compared to structures with HDRB, including the effect of rubber thickness and shear modulus. This study starts by modeling a 7-story building with a fixed base structure using ETABS. The results were then used to determine the type of HDRB, from two models with different rubber thickness and shear modulus, for modeling structures with HDRB. Furthermore, the running results of the two structures are analyzed to evaluate the level of performance of the structures based on Performance Based Design criteria. The results showed differences with the reduction of the average period value by 91.51%, the base shear as 36.05% and 33.11% in longitudinal and transverse direction respectively, and the average interstory drift as 54.86% in X-axis and 31.17% Y-axis. The target displacement of the structures with HDRB decreases and the performance levels including the analysis results are improved.

Perbandingan Struktur Tuned Mass Damper dan Struktur Fixed Base dengan Metode Performance Base Design Maulidani, Andra Akmal; Sulton, Mohammad; Umniati, B. Sri; Maulida, Alfia Salma Mei
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 13 No 1 (2025): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (January 2025)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v13i1.10113

Indonesia's location in an earthquake zone with moderate to high intensity increases the urgency of planning high-rise earthquake-resistant buildings. Losses that occur due to the absence of procedures to predict earthquakes properly and accurately, make it important to innovate structural systems and evaluate their performance against earthquakes. This study aims to determine the impact of adding Tuned Mass Damper to buildings viewed from the level of structural performance compared to Fixed Base structures. Performance Base Design based on FEMA 440, is a design that categorizes the target damage to building structures into 4 levels of damage reviewed from the percentage of story deviation to the total height of the structure. Tuned Mass Damper is an innovation in structural systems consisting of mass, springs, and dampers installed to absorb their dynamic response. Pendulum Tuned Mass Damper is a Tuned Mass Damper system using a pendulum swinging relative to the floor motion. The addition of Tuned Mass Damper to Fixed Base type buildings causes a decrease in deviation of up to 19% from the original deviation depending on the mass ratio. This addition also reduces the value of the structural period by up to 9% with the period still below the maximum period standard. In addition, the addition of Tuned Mass Damper also reduces the target value of structural displacement based on FEMA 440 by 52% with the immediate occupancy building performance level.

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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