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Jurnal Teknik Sipil dan Perencanaan
Published by Universitas Negeri Semarang
ISSN : -     EISSN : 25031899     DOI : https://doi.org/10.15294/jtsp
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Jurnal Teknik Sipil dan Perencanaan starting in 2024 migrates to better secure from various unwanted things, including journal hacking and so on. To submit, the author please visit the new website page of our journal at the link https://journal.unnes.ac.id/journals/jtsp
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 45 Documents
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Impact of Work Accident Rate on Construction Safety Management System: A Case Study in Sidoarjo, Indonesia Maulidya Octaviani Bustamin; Eko Wijaksono; Wisnu Abiarto N
Jurnal Teknik Sipil dan Perencanaan Vol. 28 No. 1 (2026): Jurnal Teknik Sipil dan Perencanaan
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v28i1.47264

Abstract

Zero Accident is a concept that aims to eliminate work accidents by implementing an effective Construction Safety Management System (CSMS) in accordance with applicable regulations. The CSMS is very important for creating safety and security for all parties involved, as well as the work environment. However, during implementation, many contractors do not adhere to the applicable rules and guidelines; therefore, this research was conducted to examine how the current occupational safety management system is implemented in the field. This study focuses on the results of the analysis of the accident work rate in the Sidoarjo Integrated Central Building construction project. Based on the results of the analysis, it was found that the contractor's commitment to implement the work safety plan had a great impact on the implementation of the construction safety management system of this project, even obtained, with 0 Frequency Severity Indicator per 1,000,000 working hours of people, successfully implemented by the contractor. This result allows the work to be implemented simultaneously in accordance with the plan, on time, with quality, and at cost, because there are no work accidents that affect it, and the contractor can avoid negative costs associated with them.
Human Resource Competencies and Their Influence on Time Performance in Construction Projects siti asyiah; Mush'ab 'Abdu Asy Syahid; Tasya Rizqi Septyani Putri Hartoyo
Jurnal Teknik Sipil dan Perencanaan Vol. 28 No. 1 (2026): Jurnal Teknik Sipil dan Perencanaan
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v28i1.47418

Abstract

Human resource competencies play a crucial role in determining the success of construction projects, particularly in achieving project time performance. However, previous studies have predominantly focused on general performance indicators, with limited emphasis on the quantitative relationship between specific competency types and time performance in high-rise construction projects. This study aims to identify key human resource competencies and examine their influence on project time performance. A quantitative approach was employed, using questionnaire surveys and expert validation, and the data were analyzed using descriptive and nonparametric statistical methods. The findings reveal that 23 technical (hard skills) and 28 non-technical (soft skills) competencies are required. The most dominant hard skill is the understanding of structural work implementation, while the most influential soft skill is proactiveness and initiative. The results also indicate that technical competencies have a stronger relationship with time performance (60.7%) compared to non-technical competencies (56.8%). This study contributes by providing a structured quantitative assessment of competency-performance relationships, offering practical insights for improving workforce development strategies in construction projects.
Comparative Statistical Analysis of Geotextile Tensile Strength Using Wide-Width Strip and Grab Test for Soil Reinforcement Applications Handoko Subawi; Hetty Fadriani
Jurnal Teknik Sipil dan Perencanaan Vol. 28 No. 1 (2026): Jurnal Teknik Sipil dan Perencanaan
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v28i1.47420

Abstract

Abstract. The objectives of this study were to compile a database of geotextiles, test for differences in parameter values between the two methods, and develop a regression model to predict Strip Test values from Grab Test data. This study employed a quantitative approach using local products data, global products for comparison, raw test data, standards, and documents from other countries. Statistical analysis used analysis of variance and boxplots due to the wide variation in the commercial data. The findings of this study confirmed that the Wide-Width Strip Test method per ASTM D4595 produces more precise, consistent, and relevant tensile strength data than the Grab Test per ASTM D4632. The Grab/Strip ratio measured ranged from 1.13 to 6.40 and was not constant. The Strip coefficient of variation of 2.4% was almost half that of the Grab at 5.4%. Woven PET has been shown to have a 48% higher tensile strength and <25% lower elongation than woven PP at the same nominal strength, due to the stiffness of PET's aromatic chains. This study proves that there is no universal conversion factor between the two methods. Mandatory soil reinforcement project specifications require ASTM D4595 or ISO 10319 Strip data.
Effect of Steel Truss Configuration on Bridge Structural Strength and Seismic Response Lalu Samsul Aswadi; Dwi Sat Agus Yuwana; Bina Arumbinang Wajdi; Aisya Bhanuwati; Reyhan Daffa
Jurnal Teknik Sipil dan Perencanaan Vol. 28 No. 1 (2026): Jurnal Teknik Sipil dan Perencanaan
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v28i1.47805

Abstract

Located within the Pacific Ring of Fire, Indonesia experiences high seismic intensity, posing a risk of structural damage to bridges; thus, seismic load considerations are imperative in bridge engineering. Although bridge seismic analysis has been conducted, comparative studies of truss configurations under seismic loads remain limited. This study analyzes the influence of truss configurations, including Howe, Pratt, Warren, Quadrangular Warren, Whipple, Camel Back, Baltimore, K-Truss, and Petit Truss, under seismic loads through deflection and Demand Capacity Ratio (DCR) parameters. The analysis was performed using Midas Civil, a Finite Element Method software, while seismic loading was applied using the response spectrum method. The results show that the Camel Back Truss achieves the highest structural efficiency, yielding the lowest DCR, with a maximum of 0.064693 and 0.1503 for the mean. Regarding serviceability, Petit Truss exhibited the minimum deflection values of 0.02735 m, 0.02482 m, and 0.02493 m for Service I (TD), Service I (TT), and Extreme I, respectively. Overall, Camel Back Truss provides the best structural performance by maintaining the lowest stress ratio and the second-lowest deflection, recorded at 0.02725 m and 0.03897 m under Service I and 0.02818 m under Extreme I loads, respectively.
Probabilistic Seismic Hazard Analysis (PSHA) of Bali Airport Considering Earthquake Effects Fazli Elahi; Hanindya Kusuma Artati; Achmed Pusha Agung; Vinda Nurul Hidayatul Aiman; Mohammad Subhan Rehman; Irfan Ullah
Jurnal Teknik Sipil dan Perencanaan Vol. 28 No. 1 (2026): Jurnal Teknik Sipil dan Perencanaan
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v28i1.48032

Abstract

I Gusti Ngurah Rai International Airport in Bali is a critical national infrastructure located in a region of high seismicity driven by the Indo-Australian–Eurasian plate convergence. Despite the availability of national-level hazard maps, no site-specific probabilistic seismic hazard study incorporating local soil amplification has previously been conducted for this facility. This study performs site-specific Probabilistic Seismic Hazard Analysis (PSHA) using EZ-FRISK, one-dimensional non-linear soil amplification analysis using DEEPSOIL V7, and spectral matching of ground motions from the PEER NGA database to represent Bali seismic conditions. Historical earthquake data (Mw 4.0–9.0, 1900–2025) within a 500 km radius were compiled from the USGS catalog. Earthquake recurrence was characterized using the Gutenberg-Richter relationship. The Atkinson and Boore (2003) GMPE was applied for subduction sources. Bedrock PGA was determined at a 2% probability of exceedance in 50 years (return period = 2,475 years). Site response analysis was performed using N-SPT-derived shear-wave velocity profiles. Bedrock PGA is 0.308 g (design value 0.206 g after 2/3 factor). After nonlinear soil amplification, the surface PGA reaches 0.800 g, a 2.6-fold amplification, indicating a severe surface hazard. Hazard deaggregation identifies a dominant scenario earthquake of Mw 5.95 at 23.86 km. This is the first integrated PSHA study combining bedrock hazard, soil amplification, and spectral matching for Bali Airport, providing site-specific ground-motion parameters critical for earthquake-resistant structural design and liquefaction risk assessment at this strategically vital facility.

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