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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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Simulasi Progres Proyek Konstruksi Time Performance Menggunakan Earned Value Management dengan Integrasi Artificial Neural Network: Time Performance Construction Project Simulation Using Earned Value Management with Artificial Neural Network Integration Setiyono, Setiyono; Hajji, Apif Miptahul; Larasati, Aisyah; Alfianto, Imam
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 1 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i1.7296

Digitization of construction using technologies such as AI, Big Data, Machine Learning, and Internet of Things (IoT) can help improve the productivity and efficiency of the construction industry. Machine learning methods such as Artificial Neural Network (ANN) are used to solve complex problems, including in construction projects. In addition, Earned Value Management (EVM) is used as a method to analyze and control project performance and estimate project completion time. Although EVM has the disadvantage of predicting estimated project completion times that are linear in nature, the use of non-linear methods such as Artificial Neural Network can help improve the accuracy of estimating project completion times that are complex and have a high degree of variation. This research aims to analyze the physical achievements of the work and predict estimates of work completion using Earned Value Management which is integrated with the Artificial Neural Network on the Advanced Development Project for Facilities and Infrastructure of the Sanggabuana Karawang Training Area Maintenance Detachment (Sarpras Denharrahlat) belonging to the Indonesian Ministry of Defense. By using EVM and ANN, project management can be improved in terms of cost control, scheduling, and better estimation of project completion time. The data analysis method used is EVM. The data analyzed is Week, Planned Value and Earned Value. The three data are then plotted and translated in graphical form to calculate the Schedule Variance and Schedule Performance Index to evaluate the project. After conducting an analysis using the EVM, then a predictive model is formed to calculate the estimated project completion time using the Artificial Neural Network (ANN) method. Next, optimization of the predictive model is carried out to reduce the level of prediction error. The Software used to build predictive models is RapidMiner. At week 26, work progress was 100% ahead of plan, with an Earned Schedule value of 31.00. This indicates that the project has been completed in accordance with the target time. Certain parameter modifications to the optimal model include training cycles of 100, learning rate of 0.316, and momentum of 0.316. With these parameter settings, the model produces the most accurate predictions with a low prediction error rate.

Pengendalian Durasi Optimal pada Pembangunan Myze Hotel Sumenep Menggunakan CPM dan Metode PERT: Optimal Duration Control in The Construction of Myze Hotel Sumenep CPM And PERT Method Wicaksono, Mochammad Hendy; Sugandi, R. Machmud; Alfianto, Imam
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 1 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i1.7323

The project owner expressed a desire to accelerate the project to avoid delays. According to observations and progress reports, the week 45 progress was 76.071% with a deviation of -7.894%. The delay was caused by the contractor's poor time and cost management which affected the project implementation. Warning letter 1 is given by the owner so that the contractor evaluates and accelerates implementation. Time control is required, as well as time optimization analysis using the PERT method for a more efficient and faster duration. PERT focuses on scheduling with synchronization of project elements, taking into account the uncertainty of the duration of tasks and the overall project. This research aims to identify project duration control by applying PERT and CPM methods, as well as exploring the cost of potential project acceleration through subcontractor integration. Data collection techniques are through project observation and documents such as cost budget plans, S-curves, progress reports, and reference drawings. This data is used to analyze the optimal time through identifying critical activities with CPM and determining the optimal duration using PERT. Alternative project acceleration with the addition of subcontractors. In the research results, the CPM method identifies critical activities such as procurement, piling, connection, and cutting pile heads, from the PERT method the optimal duration is 45 days, with a probability of 59.18%. Alternative acceleration by applying subcontractors occurred cost savings of Rp. 84,855,111.02 or 1.11% of the total normal cost so that the cost of acceleration with subcontractors amounted to Rp. 7,547,781,459.38.

Karakteristik Kompresibilitas dan Kuat Geser pada Tanah Lempung Berdasarkan Uji CPT, SPT dan Laboratorium di Cikarang: Compressibility and Shear Strength Characteristics of Clay Based on CPT, SPT and Laboratory Tests in Cikarang Suharyadi, Bambang; Lim, Aswin; Karlinasari, Rinda
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 1 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i1.7356

The Jakarta-Cikampek Elevated toll road was built to add to the existing toll road section. In this project, the field investigation tests carried out are the Cone Penetrartion test (CPT) and the Standard Penetration Test (N-SPT). Many studies have been conducted to obtain the compressibility value (cc) and shear strength value (su) of clay because each clay in a region has different compressibility characteristics and shear strength values. This study aims to determine the compressibility characteristics and shear strength of clay in the Cikarang area by using field investigation data in the form of CPT test of 10 points and N-SPT test of 12 points and laboratory data used from N-SPT drill points of 21 tube samples. CPT and N-SPT data are grouped based on the closest distance, the test area is dominated by Sandy clay and the linear regression equation obtained from both data relationships is qc = 0.51N with an upper limit equation qc = 1.2N and for the lower limit qc = 0.2N. From the results of the analysis for the shear strength value of the soil obtained from the relationship of the shear strength value of the soil to the N-SPT of Su = 8N-SPT, and for the level of compressibility at the location in Cikarang has a high level of compressibility with the relationship of compressibility to the pore number (eo) obtained equation Cc = 0.40eo and with the level of activity of relatively inactive clay soil.

Analisa Perbandingan Penurunan Awal Bendungan Tipe Material Timbunan Urugan Batu dan Urugan Tanah (Studi Kasus Bendungan Digoel-Papua): Comparative Analysis of the Initial Decline of Dam Material Type of Stone Urugan Embankment and Soil Urugan (Digoel Dam-Papua Case Study) Erlangga, Erlangga; Sadono, Kresno Wikan; Putranto, Thomas Triadi
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 1 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i1.7876

To create prosperity for the people of Papua Province. The government has made one of the programs, namely the construction of the Digoel Dam in Boven Digoel Regency – Papua. The successful construction and operation of a dam requires a comprehensive evaluation of the design prior to commencement of the construction process. This study aims to analyze the initial settlement that occurred in the Digoel dam type earth fill and rock fill. Initial settlement analysis was carried out using the modulus parameter obtained from the literature. SIGMA/W software has been used to estimate dam crest settlement due to static loading. From the results of the analysis of the initial settlement of the dam with the rock fill and earth fill types, it is accepted that the maximum permissible settlement is 1.59%.

Akurasi Data Curah Hujan Satelit Terhadap Data Pengukuran di Daerah Tangkapan Air (DTA) Waduk Sutami: The Accuracy of Satellite Rainfall Data Compared to Measurements at Sutami Reservoir’s Catchment Area Alie, Angga Hermawan; Suharyanto, Suharyanto
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 1 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i1.7904

Sutami Reservoir that located in the Brantas River Basin is a multi-purpose reservoir, it’s used to provide of raw water, irrigation, flood control, and power plants, fish farm, and tourism. Rainfall data information is very important in hydrological analysis as the basis for determining operating patterns, water balances, and calculating sediment rates. Rainfall data that is recorded in a row can show us trends or the nature of rain, but in reality it is very difficult to obtain representative rainfall observation data, both in terms of quality and length of observation data, which is quite in accordance with what is required in several locations, it is very difficult due to the absence of rain stations or broken gauges. Therefore, by taking advantage of technological advances, it is necessary to analyze the accuracy of rainfall data via satellite (GPM V6 and TRMM 3B43 V7) as an alternative to using rainfall data to fill data shortages at certain locations. The results of the analysis of the two satellite rainfall data (GPM V6 and TRMM 3B43 V7) are based on the Nash Sutcliffe Efficiency (NSE) parameters, Root Mean Square Errror (RMSE), Real Error (KR), Correlation Coefficient (R) can be used as an alternative to rainfall data, with satellite rainfall data GPM V6 has better accuracy and performance with average value of NSE 0,8, RMSE 66,46, KR 21,63%, R 0,92.

Perkuatan Dinding Penahan Tanah Kantilever Beton Bertulang di Tumbak Bayuh, Badung - Bali: Strengthening of Cantilever Retaining Walls Reinforced Concrete in Tumbak Bayuh, Badung - Bali Silvi, Ni Putu
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 1 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i1.7923

The research, a reinforced concrete cantilever DPT case that experienced a slope was taken. The purpose of this study is to analyze the reinforcement of reinforced concrete cantilever DPT in order to meet the requirements for its stability level. The level of stability analyzed is overturning, sliding and bearing capacity. The method used in this study is a quantitative method with the help of Geo5 software. By adding reinforced floor slabs 200 mm thick, 1500 mm wide and 2000 mm deep from the upper limit, the stability parameters against overturning, shearing and soil bearing capacity have been met. Overturning stability with a safety factor of 2.01 > 1.50 (OK), shear stability with a safety factor = 1.71 > 1.50 (OK) and soil carrying capacity stability with a safety factor of 2.01 > 2.00 (OK), where the overturning, shearing and strength stability curves bearing after reinforcement is above the allowable factor curve. The research results concluded that it was necessary to add reinforced concrete slabs for the stability of the soil retaining walls required at this location.

Evaluasi Biaya dan Waktu pada Pembangunan Gedung Kantor Bupati Pasuruan Dengan Metode Earned Value: Evaluation of Cost and Time in the Construction of the Pasuruan Regent Office Building with Earned Value Method Feriyanto, Ardi; Hajji, Apif Miptahul; Alfianto, Imam
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 1 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i1.7924

The Pasuruan Regent Office Building Construction Project is a very important project because it involves the implementation of services to the community so that timeliness and quality in the implementation of development is a must. In week 17 the project experienced delays in implementation where in week 17 the progress plan was 36.906% but the facts in the field were still 22.70% so that there was a delay deviation of -14.204%. This study aims to serve as an early warning and evaluate the performance that is indicated to experience delays so that future realization progress can be carried out in accordance with the plan schedule. The method used is Earned Value Analysis which is a project management method used to measure and analyze project performance based on a comparison between the actual value of the work that has been completed (Earned Value, EV), the costs that have been incurred (Actual Cost, AC), and the estimated costs that should be incurred (Planned Value, PV) at a certain point in the project. EVM is a useful tool for monitoring project progress, identifying potential problems, and making predictions about how the project will proceed. Existing data is analyzed to obtain a prediction of the final state of project completion related to the estimated cost and schedule required. Data collection is carried out by collecting documents related to construction projects. From the results of the analysis, it was found that.

Efektivitas Skenario Lalu Lintas Arus Lebaran Idul Fitri di Gerbang Tol Sidoarjo berdasarkan Pemodelan Mikrosimulasi: Efektivitas Skenario Lalu Lintas Arus Lebaran Idul Fitri di Gerbang Tol Sidoarjo berdasarkan Pemodelan Mikrosimulasi Radiansyah, Kusuma Aji; Isheka, Raihan Pasha; Aurarisa, Ilma
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 1 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i1.7972

On the eve of Eid al-Fitr 2023, there was an increase in the number of vehicles heading eastbound of Java Island through the Transjawa Toll Road from the normal traffic flow. The drastic increase in vehicle volume resulted in congestion at the Sidoarjo Tollgate. An effort to unravel the existing traffic congestion was to implement diversion and contraflow scenarios. This study was conducted to prove the most effective scenario to overcome transportation problems during the homecoming flow through microscopic simulations using PTV VISSIM software. In the diversion scenario, 35% of vehicles heading south will be diverted to exit through Sidoarjo 1 Tollgate. This scenario caused an increase in queue length by 34.66% and a delay of 28 seconds at Sidoarjo 1 Tollgate. On the other hand, with the same scenario, there is a decrease in queue length of 16.84% and a decrease in delay time of 58 seconds at Sidoarjo 2 Tollgate. Regarding average speed, there is a decrease of 18.24% on the road section after Sidoarjo 2 Tollgate due to merging. Under the contraflow scenario, there is no significant change in queue length and delay time at both gates, but there is an increase in the average speed of 62.22% at Sidoarjo 2 Tollgate. The simulation showed that the diversion scenario only moves the density of vehicles. In contrast, the contraflow scenario was an effective alternative to break down the density in the 2023 homecoming flow, as evidenced by the increased average speed.

Analysis of Factors Inhibiting the Implementation of Building Information Modeling (BIM) in Construction Projects: Analisis Faktor Penghambat Implementasi Building Information Modelling (BIM) pada Proyek Konstruksi Alverinaldo, M Archie; Nugroho, Arief Setiawan Budi
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.v12i2.7984

Building Information Modelling (BIM) is one of the methods that can be used to enhance project effectiveness. However, its implementation in Indonesia is relatively low. This issue is attributed to various inhibiting factors. This research aims to identify the BIM implementation barriers and the mitigation steps that need to be taken. A survey was conducted using both closed-ended questionnaire and open-ended questionnaire. The intended respondents were stakeholders stakeholders who have understandings of BIM, and have previously applied BIM in construction projects. The analysis of closed-ended questions was performed using the Analytical Hierarchy Process (AHP) method to identify the levels of influence of inhibiting factors on BIM implementation. Meanwhile, open-ended questions were analysed to gather opinions regarding solution approaches to the barriers to BIM implementation. The result of this study indicate that software and hardware costs are the major barrier to implementing BIM in construction projects. Additionally, factors such as lack of knowledge and understanding of BIM, difficulty in changing or transitioning work culture, investment costs and profits uncertainty of BIM, and a lack of awareness of the BIM benefits are other obstacles that need attention. To promote the realization of BIM implementation, steps such as socialization, training and certification, as well as government support in facilitating BIM implementation in construction projects, are expected to be realized.

Geotechnical Stability Assessment and Soil Improvement Recommendations using Soil Grouting and Drainage Tunnels (Case study: Retaining wall displacement at a transmission tower site) Khoeri, Heri; Pradana, Roberto; Isvara, Wisnu; Irwanto, Rachmad
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.v12i2.8306

The detection of a retaining wall displacement in early 2023 at one of the DD6+12 transmission tower sites raised concerns about the tower's stability, potentially leading to structural failure. A comprehensive assessment was conducted on the tower's verticality, retaining wall displacement, subsurface conditions, and soil properties around the tower area. The assessment results revealed a linear inclination of the transmission tower from the base to the top, with a deflection at the top of approximately ±20 cm to the south and ±7 cm to the west. With this condition, some structural elements reached a stress-to-permitted stress ratio of 0.91. Although still within allowable limits, without soil stabilization, it is at risk of structural failure. GPR scan results showed differences in foundation dimensions compared to the as-built drawings and identified cavities filled with water beneath the ground surface due to poor drainage, resulting in a safety factor of 1.088, whereas the required safety factor is 1.5. This condition caused the retaining wall displacement. Recommendations including constructing drainage tunnels upstream, soil grouting, installing wheep holes in the retaining walls, and adding secant piles would increase the safety factor to 1.988.

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Anita Setyowati Srie Gunarti

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Home Page

OAI Link

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