cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Fadhila Muhammad Libasut Taqwa
Contact Email
fadhila.muhammad@uika-bogor.ac.id
Phone
+62251-8380993
Journal Mail Official
komposit.journal@uika-bogor.ac.id
Editorial Address
Gedung Ir. Prijono Hardjosentono Universitas Ibn Khaldun Bogor Jl. KH. Sholeh Iskandar km. 2 Kedung Badak Tanah Sareal Bogor
Location
Kota bogor,
Jawa barat
INDONESIA
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 25 Documents
 1   2   3 
Search results for , issue "Vol. 9 No. 2 (2025)" : 25 Documents clear
Analisis Biaya dan Waktu Percepatan Proyek Pembangunan Rusun At-Tanwir Cianjur dengan Penambahan Jam Kerja Menggunakan Metode TCTO Nurhikmah, Salmah; Dewita, Hikma; Sembiring, Kristina
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.17785

Abstract

 The At-Tanwir Foundation’s Flats Construction Project at Cianjur Regency, West Java; aims to provide housing for students and promote education. Therefore, expediting the construction process for immediate utilization is essential to meet the housing needs. One alternative for expediting the project is to increase working hours using the time-cost trade-off method. The purpose of acceleration is to anticipate delays in the project and shorten the project implementation time. This study uses data such as Project RAB, Plan S Curve, a List of Unit Prices of Materials, Tools, and Labor, and an Analysis of Unit Prices of Work. Microsoft Project 2019 software assists in data processing to identify critical paths. After accelerating work on critical activities, the analysis showed that by adding 3 hours of overtime, the project duration can be reduced to 100 working days, which is 15% faster than the normal duration of 119 working days. The optimal cost for this duration is IDR 808,750,195.52, which is 0,69% lower than the normal cost of IDR 803,164,902.33, with a cost difference of IDR 5,585,293.19.
Pemanfaatan Limbah Serat Alam Kulit Buah Kelor Sebagai Papan Komposit yang Diperkuat Polimer Unsaturated Polyester Resin Jayadin, Jayadin; Nisa, Kartini Rahman; Siti Zuraidah; Leto, Kristina Tresia; Coa, Sri Astuti Rahman; Nurhadyati, Nurhadyati; Mujiburohman, Muhammad; Hikmatiar, Hamzarudin
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.17786

Abstract

The use of Composite Materials with natural fiber reinforcement is starting to be widely known in the manufacturing industry, environmentally friendly and recyclable materials. Composites are made to obtain lightweight structures, have higher strength or stiffness, energy absorption and design, have low prices and natural fibers are also easy to obtain, especially moringa fruit skin which is very abundant in the East Nusa Tenggara region, especially in Sikka Regency. This study aims to determine the Bending strength, impact energy and seawater absorption capacity. The research materials are moringa fruit skin fiber and polyester resin. Moringa fruit skin fiber is a waste that is rarely used so it can be a serious waste. This specimen is used with the Cold Compressing Molding method (Molds that are loaded at room temperature). The results of the study showed optimal conditions at a volume fraction of 25%, providing the highest Bending strength of 8,888 MPa, the highest impact energy of 0.196 J / mm2, and the lowest seawater absorption value of 0.79%.
Pengaruh Penambahan Asbuton LGA 50/30 pada Campuran AC-WC dengan Inovasi Limbah Keramik sebagai Pengganti Sebagian Agregat Kasar Setiawan, Feri Yusup; Pristyawati, Tantin; Wibawa, Satria Agung
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.17935

Abstract

Asphalt is the main ingredient in road pavement mixtures. Indonesia has relied on Pertamina to supply artificial asphalt, but the more abundant natural asphalt has not been utilized. The government is trying to encourage the use of Buton asphalt to optimize the use of natural resources. Limited natural resources also encourage innovation, such as the use of ceramic shard waste as coarse aggregate in road construction. This is important because excessive extraction of raw materials from nature can damage the ecosystem. This study analyzed the effect of adding Asbuton LGA 50/30 to AC-WC with ceramic waste. The method used was experimental with Marshall characteristic parameters. The research results from 5 variations of ceramic waste mixture used with variation values of 10%, 15%, 20%, 25%, and 30%. The highest stability was found in the 10% ceramic waste mixture with a stability value of 1178.14 kg, with a VIM value of 5.05%, VMA value of 17.87%, VFA value of 71.94%, flow value of 2.24 mm, and MQ value of 799.51 kg/mm. The 11% abuton variation level has the highest stability value found in the 10% ceramic variation with the highest stability value of 1660.90 kg, VIM value of 4.97%, VMA value of 16.08%, VFA value of 69.16%, flow value of 2.22 mm, and MQ value of 753.22 kg/mm. Both variants are declared the most effective for AC-WC asphalt mixtures because their Marshall values are in accordance with Bina Marga 2018 specifications, and the ceramic waste variation is the most effective for AC-WC asphalt mixtures
Kajian Tarif pada Perencanaan KRL-SRRL Fase 1 Berdasarkan Ability to Pay dan Willingness to Pay Leliana, Arinda; Soimun, Ahmad; Apriliani, Nurul Fitria; Puspitasari, Armyta
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.18143

Abstract

Surabaya and the Gerbang Kertasusila Metropolitan Area do not yet have a competent urban public transport system or regional public transport system. The government will introduce electric-based public rail transportation or known as KRL-SRRL in the Kertasusila Gate area. Construction of KRL-SRRL Phase 1 across Surabaya Pasar Turi-Sidoarjo, if operational, will overlap with the Local Train which is now operating. In future KRL-SRRL phase 1 operations, the operator must consider the purchasing power of prospective KRL-SRRL phase 1 users. This research aims to examine how affordable the purchasing power of prospective KRL-SRRL users is based on Ability to Pay (ATP) and Willingness to Pay (WTP) and knowing the relationship between ATP and WTP. The method used to determine the ATP value of potential KRL-SRRL service users is based on income and expenditure on transportation services used household budget method. The WTP value of potential KRL-SRRL service users is based on the average expected fare preference using the approach discrete choice analysis with model logit binominal. Overall, the average ATP for prospective KRL SRRL passengers with SBY-SDA relations is IDR 475,28/km. Meanwhile, the WTP for prospective KRL SRRL passengers with SBY-SDA relations is IDR 341,42/km. The fare that prospective KRL-SRRL passengers can afford is a maximum flat fare of IDR 13,000 for one trip from SBY-SDA. The relationship between ability to pay (ATP) and Willingness to pay (WTP) analysis results show that the ATP value is greater than the WTP value. This shows that prospective KRL SRRL passengers with SBY-SDA relations are choice riders.
Penilaian Green Building Gedung Kuliah B Fakultas Ekonomi dan Bisnis Universitas Lampung Berdasarkan Kriteria Green Building Council Indonesia Siregar, Amril Ma’ruf; Arifaini, Nur; Ifadianto, Nugroho; Putri, Wanda Noor Amalia
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.18253

Abstract

Lampung University plays an active role in implementing and campaigning for green development, so a study is needed that can be used as part of the implementation of the Green Building concept. The selection of the location of Building B FEB is based on the condition of the building which is still new so that it is expected to be easier to improve. The research method includes a survey of building conditions, interviews, and assessment of six green building criteria based on the Green Building Council Indonesia (GBCI) version 1. These criteria include Appropriate Site Development (ASD), which emphasizes the selection of a location and sustainable management of the surrounding environment; Energy Efficiency and Conservation (EEC), which focuses on reducing energy consumption and implementing energy-saving technologies; Water Conservation (WAC), which highlights the efficiency of water use and management; Material Resource and Cycle (MRC), which refers to the use of environmentally friendly and easily recycled materials; Indoor Health and Comfort (IHC), which includes air quality, lighting, acoustics, and occupant thermal comfort; and Building Environmental Management (BEM), which focuses on sustainable building operations, including waste management and maintenance. The results of the survey and field analysis show that the total Green Building assessment score of Building B FEB Unila is 37, which is in the Bronze category. Efforts that can be made to increase this value include the commitment of the entire academic community in environmental campaigns, reducing the use of private motor vehicles, and water conservation in building management.
Eksplorasi Pengaruh Persepsi Aksesibilitas terhadap Pemilihan Moda Pekerja Komuter di Koridor LRT Jabodebek Lintas Bekasi Zhafira, Muhammad Rivan; Andani, I Gusti Ayu
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.18604

Abstract

This study aims to explore the relationship between perceived accessibility and mode choice preferences of commuting workers, particularly in the newly operational Jabodebek LRT transportation corridor. The research compares the extent to which perceived accessibility explains actual accessibility and reduces perceived accessibility, measured through Likert-scale variables, using principal component analysis (PCA). Mode choice preferences are constructed using stated preferences, and factors such as socio-demographics, travel characteristics, and PCA results on perceived accessibility are estimated using multinomial logistic regression.The study's findings indicate that, although the distance to LRT stations can be objectively measured, individual perceptions of this distance vary. Differentiation based on actual accessibility is also assessed to influence decision-making by travelers in choosing transportation modes. Several socio-demographic and travel factors are found to influence preferences for the LRT and bus modes. Meanwhile, subjective aspects, such as satisfaction with transportation modes, travel time, and travel costs, are found to significantly affect transportation mode preferences.
Pengaruh Penambahan Limbah Marmer terhadap Campuran AC-WC dengan Asbuton LGA 50/30 Wahid, Muhammad Shidiq Abdu Rahman; Pristyawati, Tantin; Ristanto, Iwan
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.18895

Abstract

The AC-WC asphalt layer is the layer that has the smoothest structure compared to other layers. The presence of a tightly graded mixture that has few voids in the AC-WC asphalt mixture causes this layer to be sensitive to variations and mixture proportions. This research uses innovative marble waste materials with the aim of analyzing the effect of adding Asbuton LGA 50/30 to AC-WCs with marble waste. The method used is experimentation with Marshall characteristic parameters. The research results of 5 variations of marble waste mixtures were used with variation values ​​of 15%, 20%, 25%, 30% and 35%. For asbuton with a 9% VIM value, there are 4 variants that do not meet Bina Marga specifications, namely 15%, 25%, 30% and 35%. Meanwhile, 12% asbuton is found in the Flow value in the 15% and 20% variants. The highest stability variation value of 9% asbuton was found in a mixture of 35% marble waste with a stability value of 1817.22kg, with a VIM value of 3.20%, a VMA value of 16.18%, a VFA value of 85.17%, a flow value of 3.95 mm , and the MQ value is 684.24 kg/mm. The 12% abuton variation content has the highest stability value found in the 15% marble variation with the highest stability value of 1856.30kg, VIM value of 4.11%, VMA value of 15.700%, VFA value of 75.326%, flow value of 3.80 mm, and MQ value 632.86kg/mm. These two variants were declared the most effective for AC-WC asphalt mixtures because their Marshall values ​​are in accordance with the 2018 Bina Marga specifications
Subgrade Optimization with Coconut Shell Ash Addition on Glee Gurah Clay Soil Hidayat, Rifki; Azka, Cut Nawalul; Fatimah, Aldina; Firmansyah, Teuku Andrian
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.19087

Abstract

Improving subgrade bearing capacity is a crucial aspect of highway construction. Clay soils, which have high plasticity and low bearing capacity, often require improvement to increase their stability and strength. This research examines the effect of coconut shell ash addition on the bearing capacity of clay soil in Glee Gurah village. The research aims to identify the impact of coconut shell ash stabilization on the mechanical characteristics of clay soil as a highway subgrade, focusing on soil compaction and CBR values. The research was conducted through a series of laboratory tests which included soil classification according to AASHTO and USCS, as well as compaction (Proctor) and CBR testing. The percentage variations of coconut shell ash used were 0%, 3%, 6%, 9%, and 12%. The results showed that the addition of coconut shell ash increased the bearing capacity of clay soil. The maximum dry volume weight increased from 1.464 gr/cm³ (no mixture) to 1.540 gr/cm³ at the addition of 12% coconut shell ash. The optimum moisture content decreased with increasing ash percentage, from 22.70% to 20.20%. The unsoaked CBR value also increased significantly, from 11.06% (no mixture) to 17.78% at the addition of 12% coconut shell ash, with a total CBR percentage increase of 60.80%. Thus, the use of 12% coconut shell ash > 20% (Good), so that ANOVA shows a p value <0.05, which means that the addition coconut shell ash significantly increases the bearing capacity of clay soil and is effective in strength of subgrades with moderate traffic categories. Key words: Stability, clay, Pavement, subgrade
Studi Komparatif Stabilitas Timbunan Tanah dengan Perkuatan Sabut Kelapa Menggunakan Software GeoStudio Slope/W terhadap Hasil PLAXIS Trianto, Adden; Pradhana, Rakhan Dhawy; Fansuri, Muhammad Hamzah
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.19189

Abstract

Infrastructure development often faces slope stability challenges due to suboptimal soil conditions. One possible solution is the use of coconut coir as a soil reinforcement material to improve slope stability. This study analyzes the stability of embankment slopes reinforced with coconut coir using GeoStudio Slope/W 2012 software with the limit equilibrium Method and compares the results with Fahriani's (2016) study, which utilized Plaxis. The analysis was conducted on embankment slopes with varying percentages of coconut coir addition (0%–5%) using five limit equilibrium Methods: Morgenstern-Price, Spencer, Bishop Simplified, Janbu Simplified, and the Ordinary Method of Slices. The results indicate that all analysis Methods show an increase in the factor of safety (FoS) as the percentage of coconut coir increases. The comparison with Plaxis results shows a small FoS difference, ranging from 0.154% at 0% coconut coir to 1.397% at 5% coconut coir, with 0%–3% having a difference of less than 1%, indicating that both Methods provide relatively consistent results. The trend of increasing the factor of safety due to the addition of coconut coir remains similar in both software programs, reinforcing the effectiveness of coconut coir as a slope reinforcement material.
Pengembangan Teori Tekanan Lateral Aktif pada Dinding Penahan Tanah Menggunakan Metode Elemen Hingga Hizbulmalik, Ziyan; Lim, Aswin
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.19223

Abstract

Estimating the value of lateral earth pressure acting on a rigid retaining wall is very important in the design of geotechnical structures. Various theories have been developed to calculate lateral earth pressure, each with it is own methodologies, equations, and assumptions. However, none of the studies above considered the lateral earth pressure equation based on the finite element method. In this study, conventional methods and finite element methods are used to determine the amount of active lateral earth pressure that occurs in the retaining wall, and a finite element method-based equation of active lateral earth pressure is proposed. Parametric experiments were also conducted to determine the active lateral earth pressure distribution's response to various parameters.

Page 2 of 3 | Total Record : 25

 1   2   3 

Filter by Year

2025 2025


Reset
Filter By Issues
All Issue Vol. 10 No. 1 (2026) Vol. 9 No. 2 (2025) Vol. 9 No. 1 (2025) Vol. 8 No. 2 (2024) Vol. 8 No. 1 (2024) Vol. 7 No. 2 (2023) Vol. 7 No. 1 (2023) Vol. 6 No. 2 (2022) Vol. 6 No. 1 (2022) Vol. 5 No. 2 (2021) Vol. 5 No. 1 (2021) Vol. 4 No. 2 (2020) Vol. 4 No. 1 (2020) Vol. 3 No. 2 (2019) Vol. 3 No. 1 (2019) Vol. 2 No. 2 (2018) Vol. 2 No. 1 (2018) Vol. 1 No. 2 (2017) Vol. 1 No. 1 (2017) Vol 1, No 1 (2017) More Issue