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Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil
Published by Universitas Ibn Khaldun Bogor
ISSN : 35132615     EISSN : 2655934X     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Transportation
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil adalah jurnal yang mempublikasikan hasil-hasil penelitian, ulasan ilmiah, teori dan aplikasi serta informasi lain di bidang ilmu pengetahuan, teknologi, dan sains (IPTekS), terutama teknik sipil, lingkungan, dan perencanaan wilayah-kota.Jurnal Komposit terbit dua kali dalam setahun. Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil is a journal that publishes research results, scientific reviews, theory and applications as well as other information in the fields of science, technology and science (IPTekS), especially civil engineering, environment, and urban planning. Jurnal komposit issued biannually. Articles to be published in the Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil are compiled from articles prepared by the author(s) and sent to the editorial board of Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Departement of Civil Engineering, Faculty of Engineering and Science, Universitas Ibn Khaldun Bogor. Articles should be written in English or Bahasa Indonesia. Research scope in general is civil engineering and environmental engineering study.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 233 Documents
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Penilaian Kondisi Permukaan Jalan Metode Pavement Condition Index (PCI) pada Ruas Jalan Kapten Piere Tendean Kota Tegal Nurrohman, Hafidz; Hadi, Suprapto
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 10 No. 1 (2026)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v10i1.18341

Abstract

Roads have a crucial role in supporting mobility movement and allocation of goods and services, significantly impacting economic, social, and cultural growth. Damaged road conditions can impade activities and increase the risk of accidents. Road safety is influenced by various factors, including the road itself. Kapten Piere Tendean Street, part of the North Ring Road, is one of the vital routes is currently experiencing various types of damage, partly due to the increasing traffic volume. This papper aims to evaluate the surface condition of Kapten Piere Tendean street using the Pavement Condition Index (PCI) method for identify categories and levels of road damage as a basis for repair recommendations. The identification results show 13 types of damage, with the highest being shoving at 36%. At STA 0+00 – 0+100, the PCI score is 7, categorized as failed, while at STA 1+300 – 1+400, the PCI score is 92, categorized as excellent, with 32% of segments classified as very good. The average PCI score for the 2.9 km road length is 61, indicating the road is in good condition. The repair recommendations refer to Bina Marga guidelines, addressing the largest damage (shoving) with pothole patching (P5) and leveling (P6).
Penerapan Metode Building Information Modeling (BIM) 5D dalam Pembangunan Rumah Tinggal Agustin, Bintang Fajar; Hendriyani, Irna; Devi, Suheria Mulia
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 10 No. 1 (2026)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v10i1.19121

Abstract

Technological advances in the construction world are beneficial, among others, to support modeling, planning, cost estimation, mass changes, building continuity, and building management. A technology that is widely used in the construction industry is Building Information Modeling (BIM). Accuracy in estimating construction costs is necessary to achieve an effective value during the planning process. Budgeting for development projects still uses traditional methods for much better results. Therefore, this study uses the concept of 5D dimensional BIM to analyze the volume and cost using the concept (BIM) with conventional methods on the work of the 2-story structure of a type 170 house in Balikpapan City. The results of the research on the construction structure of a 2-story home in the city of Balikpapan using the 5D BIM concept with a concrete volume of 2661.69 kg for Rp 46,812,00389.24 and a concrete volume of 27.13 m3 for Rp 56,203,185.16. The difference in iron volume is 19.52%. Meanwhile, the difference in concrete volume is 15.60%, which means that the calculation using the 5D Building Information Modeling (BIM) concept supported by Autodesk Revit software is lower than planned.
Optimalisasi Daya Dukung Tanah Lempung dengan Campuran Spent Bleaching Earth (SBE) dan Kapur Tohor Alwiah, Sy Sarah; Anggreana, Vella; Ahmadi, Heri; Suftri, Frisca Amelia
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 10 No. 1 (2026)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v10i1.19830

Abstract

Clay soil has high water content, high plasticity, and low bearing capacity, which often causes structural problems in construction projects, as observed at the research location on Jl. Siak II, Masjid Raya Province of Riau area, where structural settlement occurred due to insufficient soil bearing capacity. This study aims to improve the physical properties and bearing capacity of clay soil through stabilization using a mixture of Spent Bleaching Earth (SBE) and quicklime. Laboratory tests were performed using a mixture variation of 22.5% SBE and 25% quicklime with curing durations of 0, 4, and 7 days and a soaking period of 4 days. The laboratory program included water content, specific gravity, sieve analysis, Standard Proctor compaction, and California Bearing Ratio (CBR) tests. The untreated soil exhibited a water content of 29.45%, a specific gravity of 2.43 g/cm³, 40.44% retained on sieve No.200, and a maximum dry density of 1.57 kN/m³ at an optimum moisture content of 20.8%. The CBR value of the untreated soil increased with curing time, reaching 13.99% on the 7th day. For the stabilized soil, the highest CBR improvement was achieved by the mixture of soil + SBE + quicklime with 7 days of curing, reaching 29.36%, while the best CBR under 4-day soaking occurred in the mixture of soil + quicklime with a CBR value of 20.75%. These findings indicate that the combined use of SBE and quicklime is effective in enhancing the bearing capacity of clay soil, with optimal performance observed after 7 days of curing.
Perbandingan Biaya dan Waktu Pelaksanaan Deck on Pile dengan Cakar Ayam Modifikasi pada Pembangunan Dermaga Jakarta International Container Terminal 2 Yulianto, Yulianto; Azhar, Moh.; Naibaho, Pio Ranap Tua; Sembiring, Kristina
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 10 No. 1 (2026)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v10i1.20507

Abstract

Indonesia as a maritime country is required to be able to follow the development of the international world to become the world's maritime axis, by developing medium and large ports and encouraging investment in the maritime sector on a large scale. Trisakti Terminal, Tanjung Priok branch, North Jakarta is a busy terminal among ten other terminals managed by PT. Pelabuhan Indonesia I (Persero) which serves general cargo and dry bulk types both domestically and internationally. This study aims to compare the efficiency values ​​obtained from the application of deck on slab foundations with modified spread footing foundation (Cakar Ayam Modifikasi). In the construction work of modified spread footing foundation, the cost of the work is Rp51,099,780,000, with an implementation time of 240 calendar days, while in the construction of Deck on Pile the total cost of the work is Rp88,160,700,000, with an implementation time of 240 calendar days, strict supervision is needed after concrete piling because the remaining implementation time is 14 weeks. The cost efficiency of the modified spread footing foundation work on Deck on Pile is 40%, while the time efficiency of the modified spread footing foundation work on Deck on Pile is 11%.
Analisis Penerapan Value Engineering (VE) pada Proyek Konstruksi Menurut Persepsi Owner Febriyanto, Andreas; Priyambodo, Bambang; Naibaho, Pio Ranap Tua; Sembiring, Kristina
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 10 No. 1 (2026)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v10i1.20644

Abstract

The implementation of VE in the construction sector is an approach carried out systematically by a team from many disciplines that focuses on value and function. The implementation of VE in construction projects has the potential for significant savings from the project budget. In the construction world, project owners are often faced with various constraints such as budget constraints, increasing material costs, and the need for time efficiency. VE offers a solution to overcome these constraints with a functional analysis-based approach that aims to increase value by reducing unnecessary costs without reducing the quality of the final product. The implementation of VE carried out in construction projects, the techniques and alternatives used vary, this is due to the approach used, cultural conditions, and different procurement systems. The purpose of this study is to identify VE practices in Indonesia, examine the success factors in these practices, knowledge and experience of VE, and the constraints often faced in VE practices. The research method was carried out by distributing questionnaires to respondents who had knowledge of VE. The data obtained from the questionnaire were analyzed using descriptive analysis. The results of the analysis show that the implementation of VE in Indonesia is carried out on projects that are being proposed and on projects that are underway, the knowledge and experience of construction actors are the main success factors, construction actors have sufficient knowledge about VE, and the lack of knowledge about VE is the main obstacle in the implementation of VE in Indonesia.
Rekayasa Nilai dalam Tahap Reviu Perencanaan Konstruksi (Studi Kasus: Pelabuhan Perikanan Terintegrasi di PPN Pengembangan Bali) Riyadi, Sugeng; Priyambodo, Bambang; Naibaho, Pio Ranap Tua; Sembiring, Kristina
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 10 No. 1 (2026)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v10i1.20677

Abstract

The ongoing construction of the project requires a fairly large allocation of funds, and it is necessary to reconsider whether the design used is optimal. This can be done by reviewing the project planning design so that it is possible to make cost savings by identifying and reducing unnecessary costs without reducing the level of quality, reliability and function of the project itself. Carrying out value engineering techniques, namely carrying out cost analyzes by comparing the costs per item with the details of each job from the contractor's offer to find the cheapest price up to the negotiation stage for cost savings and efficiency. The AHP (Analytic Hierarchy Process) method can be used as a solution to problems in finding decisions, and for assessment using a Likert scale questionnaire. Value engineering in the planning review by taking a case study of an ongoing project in the Pengambengan area of ​​Bali, namely the integrated fishing port project. There are 3 alternatives compared to the planning budget, namely breakdown analysis techniques (Work Breakdown Structure), cost modeling techniques (Cost modeling techniques), and Delphi techniques (Delphi Teqhnique). In value engineering, you can see the price comparison for each work item for planning reviews. The results for the final review based on value engineering RAB planning estimate Rp. 1,626,877,637,500. The stages in the AHP method analysis are determining the objective of the analysis, namely value engineering in selecting contractors, determining the analysis criteria: Cost Budget Plan, Detailed Drawings, Technical Specifications, and Implementation Time, as well as determining alternative options
Local Entrepreneurs Involvement in the Procurement of Goods and Services by the Regional Government (Case Study: Construction Service Business Entities in Banten Province) Romani, Ahmad; Priyambodo, Bambang; Mardiaman, Mardiaman; Simanjuntak, Manlian Ronald A.; Ernamaiyanti, Ernamaiyanti
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 10 No. 1 (2026)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v10i1.20726

Abstract

The Banten Provincial Government continues to encourage the involvement of local business actors in procurement of goods and services. This is an effort to encourage job opportunities and economic equality in Banten Province. In 2024, the construction business sector will contribute 11.69 percent to the Banten Province economy. The objectives of this study are: 1) To analyze the distribution of local entrepreneurs' involvement in construction and consulting projects in Banten Province. 2). To determine the level of local entrepreneurs' involvement in construction and consulting projects in Banten Province. 3). constraints that influence the involvement of local entrepreneurs in construction services & consulting services projects in Banten Province. The research method is literature study and in-depth interviews with purposive sampling. The research location is Banten Province. Data analysis is descriptive analysis and the relative importance index (RII) calculation method. Construction Service Business Entities (BUJK) in Banten Province have 2,261 BUJK. The distribution of local business involvement in construction projects is generally concentrated in Tangerang Regency, namely 607 BUJK or 26.847%. Contractor services in Banten Province are 92.26% and Consultant services are 7.74%, where the amount varies in each Regency/City. The level of involvement of local business actors in Banten Province in construction projects is 70.01%. Meanwhile, the involvement of local consultant entrepreneurs is 29.99%. The obstacle for local entrepreneurs not being able to get involved in their own business environment (company domicile) is 60.4% because the work is only controlled by certain individuals and 18.9% stated that local entrepreneurs lack the finances to carry out government projects.
Pengaruh Persepsi Aksesibilitas dan Gangguan Jalan Terhadap Kepuasan Bermukim: Studi Kasus Tol Serang-Panimbang Faqihuddin, Tubagus Zakie
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 10 No. 1 (2026)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v10i1.21111

Abstract

Investment in roads such as toll roads is considered a catalyst for regional connectivity. On the other hand, there are negative and positive externalities that are felt in the area where the infrastructure is being developed. This research was conducted to identify the influence of perceived accessibility and highway nuisance experienced by residential areas due to the presence of new road infrastructure, specifically the Serang-Panimbang Toll Road. This research studied the extent of the impact of the perceived trade-off between increased accessibility and nuisance highway activities on residential satisfaction and the desire to move. The Structural Equation Modeling - Partial Least Square (SEM-PLS) method was used to examine the framework of influences shaping residential satisfaction. The analysis was based on a survei collected from 603 respondents lived within a 1000m radius of the Serang-Panimbang Toll Road Section 1, covering 3 districts/cities: Serang City, Serang Regency, and Lebak Regency. The constructs include components of perceived highway nuisance, perceived accessibility, perceived and residential characteristics, and socioeconomic characteristics. The results show that perceived highway disturbances (such as perceived noise, air pollution, and interaction restrictions/barrief effect), residential characteristics, and socioeconomic characteristics do not have a significant effect on residential satisfaction. However, increasing perceived accessibility (such as perceived destination attributes, activity distribution, travel resistance, and transportation supply) and perceived occupancy are important factors in increasing residential satisfaction. The results also show that perceived residential satisfaction still increases the moving intention.
Analisis Kinerja Konsultan Manajemen Konstruksi Proyek EPC pada Pembangunan Fasilitas Pengolahan Batu Bara di Tanjung Enim, Sumatera Selatan Brillianto, Ananta Giga; Priyambodo, Bambang; Naibaho, Pio Ranap Tua; Sembiring, Kristina
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 10 No. 1 (2026)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v10i1.21713

Abstract

Engineering, Procurement, and Construction (EPC) projects face complex challenges such as multidisciplinary coordination, tight schedules, material procurement risks, and design change dynamics, which require the crucial role of Construction Management Consultants (CMCs) in ensuring the achievement of time, cost, and quality targets. This study analyzes the influence of expert competence, quality management, and communication on CMC performance in the coal processing facility construction project in Tanjung Enim, South Sumatra. The study employs a quantitative approach using research instruments developed based on indicators of expert competence, quality management, and communication. Instrument validation was conducted using item analysis with Pearson's product-moment correlation coefficient, while reliability was measured using Cronbach's Alpha coefficient. Data were analyzed using partial correlation and multiple regression techniques. The results of the study indicate: (1) Expert competence has a significant positive effect on KMK performance (ry1 = 0.377 > 0) with the regression equation Ŷ = 19.843 + 0.144 X1; (2) Quality management has a significant effect (ry2 = 0.543 > 0) with the equation Ŷ = 19.040 + 0.174 X2; (3) Communication makes an important contribution (ry3 = 0.471 > 0) with the equation Ŷ = 19.590 + 0.152 X3. Multiple regression analysis shows that the three variables together explain 82% of the variance in performance (ry123 = 0.9272 > 0) with the equation Ŷ = 3.9547 + 0.200 × X1 + 0.1995 × X2 + 0.2237 × X3. These findings confirm that the performance of construction management consultants on EPC projects is significantly influenced by expert competence, quality management, and communication. The study recommends the need for standardization of competencies, implementation of an integrated quality management system, and development of an effective communication model to improve the performance of CMC on similar projects.
Optimalisasi Penerapan Sistem Rainwater Harvesting (RWH) di Lingkungan Politeknik Negeri Bandung dalam Rangka Konservasi Sumber Daya Air Karnisah, Iin; Enung, Enung; Widyantoro, Frenki Tres; Fadli, Dicky Muhamad; Sari, Risna Rismiana; Kusuma, Yusmiati; Juarti, Ery Radya; Noorlaelasari, Yullianty; Muchtar, Muchtar
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 10 No. 1 (2026)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v10i1.21849

Abstract

This study aims to optimize the Rainwater Harvesting (RWH) system at Bandung State Polytechnic as a strategy for water resource conservation and strengthening the Green Campus concept. The research was conducted by identifying the existing condition of the RWH system at 25 campus building points, analyzing hydrological potential using BMKG rainfall data from 2014–2024, as well as evaluating efficiency and developing technical optimization recommendations. The existing RWH system is dominated by tanks with a capacity of 1,050–2,000 liters, which do not yet function optimally due to limited capacity, channel blockages, and variations in pipe diameter. The analysis shows an average annual rainfall of 2,831 mm with a potential rainwater catchment of up to 70 m³ per month, sufficient to meet 25–30% of the campus's non-potable water demand. System optimization is proposed by increasing tank capacity to 5,000–10,000 liters, using 3–4 inch pipes, and implementing multi-layer filtration and automated control, thus increasing system efficiency to 40–60%. The integrated system prototype in classrooms and laboratories has been proven to reduce PDAM water consumption by 40% and surface runoff by up to 35%. The research outcomes support the achievement of UI GreenMetric water conservation indicators and contribute to the realization of Sustainable Development Goals (SDGs) points 6 and 13. This study provides recommendations for an adaptive RWH system replication model for other educational institutions in Indonesia to manage water resources sustainably and efficiently.​

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