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Eko Walujodjati
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INDONESIA
Jurnal Konstruksi
Published by Institut Teknologi Garut
ISSN : 14123614     EISSN : 23027320     DOI : https://doi.org/10.33364/konstruksi
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Jurnal Kosntruksi yang dapat menampung dan mempublikasikan hasil karya penelitian, karya tulis dan pengabdian masyarakat baik mahasiswa dan dosen-dosen intern maupun dari pihak luar. Jurnal Konstruksi memberikan informasi yang diperoleh dari laboratorium dan workshop penelitian maupun dari lapangan/ studi kasus di dunia nyata dengan cakupan (Scope of Journals) bidang meliputi struktur transportasi/ infrastruktur, air, geoteknik, manajemen konstruksi, dan lingkungan. Melalui jurnal konstruksi diharapkan dapat menampung semua inspirasi bidang teknik sipil sehingga didapatkan pemecahan masalah yang dihadapi dan mampu melahirkan inovasi baru dibidangnya.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 417 Documents
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Optimasi Dan Desain Pemenuhan Ruang Parkir Institut Teknologi Garut Ervitha Nur Kholly; Ida Farida
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.1799

Abstract

The Garut Institute of Technology (ITG) is a higher education institution in Garut Regency that has experienced an 11% increase in student enrollment over the past five years. This growth requires improved infrastructure management, particularly in parking facilities, which are essential for students, lecturers, and staff. Proper planning is necessary to optimize the use of parking spaces. This study aims to design parking patterns and layouts at ITG based on the 1998 Technical Guidelines for Parking Facilities by the Directorate General of Land Transportation and the 2023 Technical Guidelines for Pedestrian Facilities No. 07/P/BM/2023. Currently, the lack of organized parking management at ITG has resulted in vehicles being parked haphazardly, causing congestion. The research uses a quantitative approach combined with participatory ergonomics. The planning results indicate varying space requirements with different angles and capacities for each area. Area 1, with a 45º angle, accommodates 89 motorcycles; Area 2, also with a 45º angle, accommodates 104 motorcycles; Area 3, with a 60º angle, accommodates 70 motorcycles; and Area 4, with a 60º angle, accommodates 91 motorcycles. Meanwhile, Area 5 is designed with a 90º angle for 8 passenger cars and a 45º angle for 125 motorcycles, while Area 6 uses a 180º layout accommodating 6 passenger cars. In total, the planned parking capacity provides 487 spaces for motorcycles and 14 spaces for passenger cars. This results in a 91% availability rate compared to the actual need. These findings are expected to help ITG reduce vehicle congestion and create a more orderly, efficient parking system in line with applicable technical standards.
Analisis Stabilitas Dan Alternatif Perkuatan Lereng Dengan Geomat Menggunakan Metode Elemen Hingga Dendi Yogaswara; Bima Guna Bhakti
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.1811

Abstract

Landslides are natural disasters that can result in loss of life, property damage, and environmental degradation. One of the key contributing factors is the steepness of the slope. In October 2021, the slope near the Cisumdawu Toll Tunnel experienced several landslides, particularly around the tunnel outlet. This study aims to determine the safety factor values, evaluate the effectiveness of slope angles, and assess reinforcement using geosynthetics (Geomats) at varying slopes of 30°, 38°, and 63°. Slope stability was analyzed using the Bishop method, which provides results close to actual conditions. The analysis was also modeled and verified using GeoStudio Slope/W Student Version software. The safety factor obtained from the manual Bishop method was 2.07, while the GeoStudio analysis yielded 2.064. The slope stability analysis with varying slope angles resulted in different safety factor values: 2.3 at 30°, 1.96 at 38°, and 1.491 at 63°. After applying reinforcement using four layers of Geomat and wire mesh Geomat at the same slope angles, the safety factors improved, with better performance shown by the wire mesh Geomat. At a slope of 1:0.5 (63°), the safety factor was 1.494 with four-layer Geomat and 1.508 with wire mesh Geomat; at 1:1.5 (34°), the values were 2.068 and 2.075 respectively; and at 1:1.7 (30°), they were 2.305 and 2.312. The gentler the slope surface, the more stable the safety factor. The application of Geomats can prevent erosion and facilitate plant vegetation growth, thereby enhancing slope stability.
Model Tarikan dan Bangkitan Pergerakan Transportasi Bundaran Suci Akibat Aktivitas Citimall Garut Ersa Hermalia Sukma; Ida Farida
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.1863

Abstract

Garut Regency has experienced significant population growth, leading to increased transportation demand that potentially causes congestion, particularly at Bundaran Suci. This study aims to analyze the operational impact of Citimall Garut on traffic conditions at Bundaran Suci, focusing on trip generation and attraction. Using a quantitative approach with the Trip Rate Analysis method and referring to the 2023 Indonesian Highway Capacity Manual (PKJI), the research compares traffic volumes before and after the mall's operation. The findings reveal a significant rise in vehicle volume, especially on Thursdays, with the highest trip rate recorded at 3.45 pcu/hour for inbound vehicles and 2.53 pcu/hour for outbound vehicles. Bundaran Suci has reached a high level of saturation, with all links exceeding the standard saturation degree (>0.85). The level of service is categorized as E, indicating an average delay of 49 seconds per pcu and a queuing probability of up to 147%. Additionally, the parking capacity at Citimall Garut is deemed insufficient, further aggravating traffic conditions in the surrounding area. To address these issues, the study recommends increasing the mall’s parking capacity and implementing better traffic management strategies at Bundaran Suci. It also urges local authorities to improve transportation infrastructure to mitigate the negative traffic impacts caused by activities at Citimall Garut. These steps are necessary to maintain smooth traffic flow and prevent further congestion in the area.
Analisis Dampak Pengoperasian City Plaza Terhadap Karakteristik Lalu Lintas Ida Farida; Dela Misela
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.1872

Abstract

The Jl. Cimanuk-Jl. Guntur Interchange is a residential, shopping, and office area close to a new shopping center. However, traffic queues and delays cause congestion, mainly due to the large number of vehicles parking on the roadside, which reduces road capacity. This research uses a descriptive quantitative method that aims to analyze volumes, measure traffic performance and redesign traffic using PTV Vissim Student software. The results showed that the highest traffic volume reached 6550.8 skr/hour on May 26, 2024 between 17.00-18.00 WIB with a road capacity of 4293.156 skr/hour. Vehicle travel time was recorded at 15.69 seconds with a speed of 19.2 km/h for Jl. Cimanuk and 23.25 km/h for Jl. Guntur. Traffic performance at the Jl. Cimanuk-Jl. Guntur intersection is considered poor with a level of service of 31.76 sec/skr which is classified as poor (D), so improvements are needed in service at the intersection. In conclusion, to overcome the problem of unstable traffic at the Jl. Cimanuk-Jl. Guntur intersection, better management of vehicle flow is needed. Suggested measures include the installation of no-parking signs and additional parking attendants to discipline vehicles blocking the road.
Optimalisasi Fungsi Pelayanan Terminal Singaparna Kabupaten Tasikmalaya Ida Farida; Rizki Saepul Ulum
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.1880

Abstract

The Tasikmalaya Regency Government will rebuild the Singaparna terminal. To relocate the terminal which was originally located near Singaparna square and close to Singaparna Market will be moved to Cisinga road Padakembang Subdistrict Tasikmalaya Regency, currently Singaparna terminal is far from standard, making riders and passengers complain because of its poor facilities, such as service facilities, waiting chairs are few and damaged, bus departure schedules, and the situation around the terminal is not organized. So the purpose of this study is to identify the existing conditions of Singaparna Terminal capacity, analyze the performance of Singaparna Terminal services and Design for capacity optimization in the new Terminal. This research was conducted by taking primary data (Observation, Survey, Interview) and secondary data (Number of Tracks, Volume of public transportation, Terminal Area). In this study the method used is quantitative method and Customer Satisfaction Index (CSI) with field observations, surveys and interviews to passengers and drivers in the terminal with data processing using the SPSS program. The conclusion obtained from this study is the number of public transportation in Singaparna Terminal for 6 hours within 1 week is 1,522 vehicles. The CSI value obtained for the whole is 48.77 percent seen in table 2.1.that the level of customer satisfaction with Singaparna terminal services has quite satisfied criteria because the results of the percentage index are 40% less than Satisfaction index less than equal to 60 percent.
Analisis Manajemen Risiko Pada Proyek Konstruksi Pembangunan Rumah Sakit Islam Bandung Dina Rahmadiani; Ganjar Jojon Johari
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.1886

Abstract

In every construction project implementation, risk factors that come from outside to inside can occur, where the risks that occur will have an impact that affects the construction project. This study aims to examine risk management in the Bandung Islamic Hospital building, where potential hazards can affect project productivity. The methods used are AHP and Likert Scale methods, AHP is a method used to evaluate and make decisions, and Likert Scale is a form of scale used to collect qualitative and quantitative data. The result of the data analysis is that the most dominant risk that occurs is Technical Risk with a weighted value of (0.303) with sub-criteria of low material quality, material prices and material conditions in the field and material storage. Mitigation that must be done in the dominant technical risk is to create effective risk management, conduct monitoring and evaluation while working, and coordinate well and communicate well with the work team in the construction project.
Analisis Kinerja Struktur Akibat Ketidaksesuaian Posisi Kolom Dengan Metode Fema 356 Nur Assyifa; Eko Walujodjati
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.1888

Abstract

Discrepancies between the planning (shop drawings) and actual field conditions frequently occur in construction projects, potentially affecting the structural performance of buildings. In the Bekasi Mixed Use Development project, particularly on the P1 floor of the apartment building in Bekasi City, West Java, a problem was identified involving column positions that did not match the planned markings. This study aims to evaluate the impact of column position deviations on structural performance by conducting a preliminary design using finite element analysis. Modeling was carried out under both ideal and non-ideal conditions, with column displacements of 100 mm, 200 mm, and 350 mm. The study employed quantitative and descriptive methods, using linear response dynamic analysis based on FEMA 356. Structural calculations referred to SNI 1726-2019, SNI 1727-2020, and SNI 2847-2019 to ensure compliance with building safety standards.The analysis results showed that story drift under ideal conditions and with column displacements of 100 mm and 200 mm still met the allowable limits, whereas a 350 mm column displacement in the x-direction did not meet the specified maximum limit, with delta-x equal to 0.05226 m, which is greater than the maximum delta equal to 0.0492 m. Nevertheless, the structural performance level in all scenarios remained within the Immediate Occupancy (IO) category, with drift less than 1 percent, indicating that the building experienced only minor damage and could still be used without significant repairs.The findings of this study support risk mitigation in structural design due to column position deviations. Understanding the tolerance limits for column displacement can help identify potential field issues before they escalate. A more comprehensive technical solution for column displacement tolerance could be the focus of future research to enhance construction safety and efficiency.
Evaluasi Sambungan Kolom Balok Castella Pabrik Tactical Leles Garut Aditia; Eko Walujodjati
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.1889

Abstract

Sambungan kolom balok castella merupakan salah satu elemen struktur yang penting dalam konstruksi bangunan. Sambungan ini berfungsi sebagai penghubung antara kolom dan balok, sehingga mempengaruhi kekuatan dan kestabilan struktur secara keseluruhan. Penelitian ini bertujuan untuk mengetahui perbandingan kekuatan struktur sambungan balok kolom dalam menahan gaya-gaya yang akan terjadi dengan lubang tertutup dan tidak tertutup. Lubang pada balok castella dapat ditutup untuk menambah estetika. Selain itu, dengan menutup lubang pada penampang balok juga dapat menambah kemampuan penampang balok dalam memikul beban. Selisih hasil analisis pada nilai displacement pada sambungan tertutup sebesar 1,96 mm dan nilai displacement pada sambungan terbuka sebesar 1,84 mm, sehingga sambungan tertutup lebih baik dan potensi kegagalan lebih kecil. Hasil tegangan pada Sambungan Balok Kolom Castela, tegangan prinsipal maksimal (Mpa) sambungan tidak tertutup sebesar 84,61 sedangkan sambungan tertutup sebesar 0,01 sehingga tegangan pada sambungan balok kolom castela lebih baik pada sambungan tertutup. Hasil studi kegagalan lebih banyak pada sambungan terbuka daripada sambungan tertutup.
Penerapan Hiradc Pada Proyek Pembangunan Gedung Rumah Sakit BPJS Garut Dengan Metode JSA Rega Maelani; Ida Farida
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.1891

Abstract

The construction sector in Indonesia is growing rapidly due to its vital role in national development. However, this sector carries a high risk of workplace accidents, as it involves numerous workers, equipment, and construction materials. Data from 2019 to 2023 show that accident rates remain high, with key issues including project-related hazards, the level of risk associated with those hazards, and the need for effective risk mitigation efforts. To reduce accident rates, an Occupational Health and Safety Management System (OHSMS) based on OHSAS 18001:2007 has been implemented, which includes hazard identification, risk assessment, and risk control through the Job Safety Analysis (JSA) method.The study titled “Implementation of HIRADC in the Intan Husada Hospital Building Construction Project in Garut Using the JSA Method” aims to identify hazards, assess risks, and provide improvement recommendations to enhance workplace safety. This research makes a significant contribution by demonstrating that the HIRADC (Hazard Identification, Risk Assessment, and Determining Control) method based on JSA is more effective than conventional methods due to its systematic, in-depth, and practical approach in the context of construction projects.By identifying 78 potential hazards, the study found that before risk control measures were applied, there were 19 hazards (24 percent) classified as extreme risk, 42 (54 percent) as high risk, 16 (21 percent) as moderate risk, and 1 hazard (1 percent) as low risk. After implementing risk control measures, there were no longer any hazards classified as extreme or high risk; only 11 hazards (14 percent) remained at moderate risk, and 67 (86 percent) were categorized as low risk. This demonstrates the effectiveness of the HIRADC-JSA approach in significantly reducing risk levels.However, this study is limited to a single project at a specific location and time, so the results cannot yet be generalized. Further research is recommended across various types of projects with more variables—such as worker behavior, OHS training, and safety technologies—to produce more comprehensive findings.
Analisis Penggunaan Data Uji SPT Dalam Penentuan Daya Dukung Fondasi Iwan Haryanto; Dendi Yogaswara
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.1896

Abstract

SPT (Standard Penetration Test) test data provides detailed information about soil resistance and the distribution of soil strength at a given depth. According to SNI 02-1726-2012, soil layers that have SPT test values above 50 are hard soil layers. From the results of the literature study of soil investigation data in the field of the UPF (Functional Service Unit) Garut building construction at point BH-1, it was found that the soil layer with a hard consistency with an N-SPT value of 60 from the drilling surface to a depth between 0-4 m, then at a depth of 4 m with a category including hard soil, so in that case it can use the choice of shallow foundation type or deep foundation. Based on the calculation of the UPF Garut building structure with the help of SAP 2000, the maximum axial load acting is 5651.08 kN, the calculation of the bearing capacity of the deep foundation (bore pile) using the Reese and Wright method results in an allowable bearing capacity of 7199.02 kN with a maximum soil pressure of 6741.81 kN. Meanwhile, the calculation of the capacity of the shallow foundation (foot plate) using the Terzaghi and Peck method resulted in an allowable bearing capacity of 6599.8 kN with a maximum ground pressure of 1015.7 kN/m², although the capacity of the bore pile foundation is higher, the shallow foundation has an advantage in terms of cost efficiency and implementation time, given the strong soil characteristics at a depth of 4 meters.

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