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Jurnal Teknik Sipil Cendekia (JTSC)
Published by Universitas Winaya Mukti
ISSN : 27236552     EISSN : 27233375     DOI : https://doi.org/10.51988/vol1no1bulanjulitahun2020
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
JTSC: Jurnal Teknik Sipil Cendekia is published by Civil Engineering Study Program, Faculty of Engineering, Planning and Architecture, University Winaya Mukti. This peer-reviewed journal is designated to publish articles that report the results of research in civil engineering science. JTSC: Jurnal Teknik Sipil Cendekia invites particularly manuscripts or research-based articles in the diverse topics include functional areas of Transportation Engineering, Structure, Design road and Bridge, Geotechnic, Management Project, Contruction Management, Hydrology and Water Resources, Information Civil Technology (ICT), Entrepreneurship Civil Engineering and Engineering Economics. The manuscripts or research-based articles that will be accepted are qualitative, quantitative research and mixed method written either in Bahasa or English. We are the editorial team, welcoming the papers submissions from various audiences or professions such as researchers, academicians, students, practitioners, regulators and others who interested in Civil Engineering studies.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 144 Documents
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A Stabilized Modified Lax Scheme with Numerical Filter for Accurate One-Dimensional Pollutant Transport Modeling Qalbi Hafiyyan; Azwa Nirmala
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 2 (2026): May
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i2.546

Abstract

Pollutant transport in water is a global issue commonly modeled using advection-diffusion equations that describe transport driven by concentration gradients and flow velocity. Because analytical solutions are limited to simple cases, numerical methods are essential for simulating pollutant transport. However, many existing numerical models require complex formulations to achieve accurate, stable solutions. This study proposes a one-dimensional numerical model based on a modified Lax scheme combined with the Hansen filter, providing stable, accurate solutions with a simpler formulation. The proposed model is evaluated using three test cases: pure advection, advection-diffusion, and a Gaussian pulse. The performance of the proposed numerical model is compared with the exact solution using L2, L?, and absolute error analysis. For the pure advection case, the proposed model achieves L2=0.048 and L?=0.011, which are lower than those reported by some previous numerical models. In the advection-diffusion case, the model also has better accuracy than some previous numerical models with L2=0.0948 and L?=0.0422. For the Gaussian pulse case, the absolute error remains very small at 8.76 × 10-5 at the concentration peak. show that the proposed model can suppress numerical oscillations while maintaining high accuracy and efficiency, making it effective for one-dimensional simulations of pollutant transport.
PENERAPAN SISTEM MANAJEMEN KESELAMATAN KONSTRUKSI (SMKK) PADA PEKERJAAN PENANGANAN JALAN TANAH LUNAK KM 28 BATUAH, KUTAI KARTANEGARA Yanti Yanti; Syapril Janizar
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 2 (2026): May
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i2.548

Abstract

This study discusses the implementation of the Construction Safety Management System (SMKK) in road construction work on soft soil at KM 28 Batuah, Kutai Kartanegara Regency, East Kalimantan. The study aims to analyze geotechnical parameters and construction safety risks under soft soil conditions. The research variables include California Bearing Ratio (CBR), settlement, slope stability, probability, severity, and construction work risk levels. The research methods consisted of field observations, laboratory testing, literature review, and risk analysis using the HIRADC approach within the SMKK framework. The results showed that the soil CBR value ranged from 3–5%, field settlement reached 30–80 cm, and the slope safety factor under saturated conditions was less than 1.0, indicating unstable conditions. Risk analysis identified the main hazards as slope failure, heavy equipment sinking, surface deformation, and occupational accidents, with medium  to high risk levels. The probability level was categorized as frequent due to high rainfall intensity, poor drainage conditions, and heavy traffic loads. The implementation of SMKK through technical and administrative controls, personal protective equipment, geotechnical monitoring, and emergency response systems is necessary to minimize occupational accidents in road construction on soft soil.
ANALISIS DISTRIBUSI CURAH HUJAN MENGGUNAKAN METODE LOG PEARSON III Raymond Pasaribu; M Kaysan Nawfal; Oersted Melkgior Siburian; Anasya Arsita Laksmi
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 2 (2026): May
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i2.553

Abstract

Rainfall frequency analysis is essential for determining design rainfall and flood discharge in hydraulic structure planning. In this study, annual maximum rainfall data were evaluated using statistical parameters—including the coefficient of variation, skewness coefficient, and kurtosis coefficient—to determine the most suitable probability distribution. The Log-Pearson Type III distribution was selected as it best represented the historical data patterns. Design rainfall values for various return periods were subsequently computed to construct Intensity-Duration-Frequency (IDF) curves. Watershed delineation was performed to identify the physical characteristics of the river basin, allowing the transformation of design rainfall into peak flood discharges. The results demonstrate that longer return periods consistently yield higher rainfall intensities and peak discharges. Ultimately, this study provides critical hydrological parameters required for effective drainage design and regional flood control.
Evaluation Of Cbr Improvement For Cohesive Soil Used As A Subgrade Using A Mix Of Fill Sand And Lime Lucky Amperawan S.; Felix Setiawan; Nisrina Nadhifah
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 2 (2026): May
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i2.557

Abstract

The results indicated that both lime and cement stabilization significantly improved the CBR value compared to the untreated soil, which did not satisfy the Bina Marga minimum requirement for subgrade material (CBR < 6%). The addition of 4% lime and 4% loose sand increased the CBR value to 6.40%, meeting the minimum specification. Meanwhile, the combination of 4% cement and 4% loose sand resulted in a substantially higher CBR value of 15.50%, demonstrating superior technical performance. Although cement provided greater strength improvement, lime remained a cost-effective alternative capable of enhancing soil stability. Furthermore, a comparison between laboratory and field CBR values showed that laboratory results tended to be higher due to more controlled testing conditions. These findings demonstrate the potential of soil stabilization using lime or cement combined with loose sand to improve the engineering properties of saturated cohesive soils for road subgrade applications

Page 15 of 15 | Total Record : 144

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