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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 18 Documents
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Search results for , issue "Vol 7 No 1 (2026): Februari" : 18 Documents clear
FAKTOR YANG MEMENGARUHI KEMITRAAN KONTRAKTOR DAN PERANCANG DALAM PROYEK DESIGN AND BUILD Sutowo, Achmad; Irawan, Agustinus Purna; Murtiana Sari, Endah; Fuk Jin, Oei
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.413

Abstract

The government is currently encouraging readiness in government projects using the Design & Build project delivery system, as regulated in the Construction Services Law No. 7 of 2017. Design and Build (DB) from various previous literature has been proven to provide advantages compared to Design Bid Build (DBB) including speed of implementation, project risks, design changes and the absence of change orders during project implementation. This study aims to examine what factors influence the partnership of contractors and designers in design and build projects to produce good project performance including cost, quality, time, K3 and environment. The research method used in this study is a quantitative method with 50 respondents and processed through SPSS to explore respondents' perceptions, about factors that are considered to influence the partnership of contractors and designers in Design and Build (DB) projects. The respondents came from contractors and consultants who have worked on government projects with design & build project delivery. The results of this study indicate six key factors influencing contractor–designer partnerships in Design and Build projects, including relationship factors, process factors, and environmental factors, with partnership maturity acting as a moderating variable. These factors contribute to improved project performance in terms of cost, quality, time, safety, and environmental aspects. The findings provide practical insights for contractors and designers in strengthening collaboration and readiness for implementing Design and Build project delivery systems.
A STUDY OF FINANCIAL FEASIBILITY OF MOANAMANI MICROHYDRO POWER PLANT (PLTMH) (A CASE STUDY IN EKEMANIDA VILLAGE, MOANAMI DISTRICT, DOGIYAI REGENCY) Widyastuti, Ira; R. L, Paseru; Dualembang, Hery; P. Kombong, Eka; Sanggamele, Herlina
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.415

Abstract

Micro Hydro Power Plants (PLTMH) with a capacity of <1MW are an alternative energy source to replace fossil fuels in remote areas, one of which is the PLTMH in Moanamani Distric, Papua Province, Indonesia, managed by PT. PLN (Ltd). Due to a construction collapse at the dam, the Moanamani Micro Hydro Power Plant is now sustaining damage that is harming other supporting facilities. Given the tight budget in the area, particularly in Dogiyai Regency, the goal of this study is to secure a capital finance and loan plan that can then be discussed by the pertinent stakeholders. This study analyzed the potentials of renewable energy and economic finance of the PLTMH, measuring the Net Present Value (NPV), Internal Rate of Return (IRR), Benefit Cost Ratio (BCR), Pay Back Period (PBP), and Break Event Point (BEP). The results showed that the debit of Tuka River could generate at least 65.50 kW of power and an annual energy of 50,546 kWh. The investment value of PLTMH at Moanamani Village was IDR 6,600,000,000, and the Cost of Goods Sold was IDR 336,384/kWh. Based on the economic calculation, the NPV of PLN Ltd was IDR 6,300,000,000, the NPV of the community was IDR 1,987,056,834, the IRR was -1,79%, the BCR was 0.32, the PBP was ± 20 years, and the BEP was ± 50 years. The development project of PLTMH with a funding scheme of 30% equity and 70% loan showed that the project was not financially feasible.
ANALISIS KELAYAKAN PEMBANGUNAN FLYOVER BERDASARKAN KINERJA LALU LINTAS PADA SIMPANG BERSINYAL KEBON ROEK, KOTA MATARAM Radita, Yesi Nanda; Sebayang, Nusa; Surbakti, Sriliani
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.418

Abstract

The rapid growth of motorized vehicles in Mataram City, which is projected to exceed 560 thousand units by 2025, has led to increasing traffic congestion, particularly at Kebon Roek signalized intersection, located at junction Saleh Sungkar and Adi Sucipto Road. The existing traffic condition at this intersection indicates a relatively high level of saturation, with the degree of saturation during certain periods approaching or exceeding the critical threshold (DS ? 0.85). Furthermore, based on data from the Regional Infrastructure Development Plan (RPIW) 2022, the traffic performance of each intersection approach remains suboptimal, characterized by Level of Service (LOS) category D on the Adi Sucipto approach, LOS D on the Saleh Sungkar I approach, and LOS E on the Saleh Sungkar II approach. These conditions do not meet the minimum service standards required for primary arterial roads. This study aims to evaluate the feasibility of constructing a flyover as a long-term solution to vertically separate traffic flows and improve intersection capacity. Traffic performance analysis was conducted using the Indonesian Highway Capacity Manual (PKJI) 2023. The results show that under existing conditions, the intersection experiences a maximum delay of 157.9 s/pcu, resulting in an overall Level of Service of F, which reflects very poor traffic conditions. Following the implementation of the flyover, the intersection performance improves significantly, with the Level of Service increasing from LOS F to LOS B. This improvement is consistent with the minimum service standards for primary arterial roads, which require stable traffic flow and relatively smooth vehicle movement.
ANALISIS TINGKAT PELAYANAN SIMPANG TAK BERSINYAL PADA KAWASAN PASAR ORO-ORO DOWO DENGAN PENDEKATAN PKJI 2023 DAN PTV VISSIM: Rizky Permana, Joao Farrel; Sebayang, Nusa; Ma’ruf, Annur
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.419

Abstract

The Oro-Oro Dowo Market area in Malang City faces severe traffic congestion due to vehicle volumes exceeding road capacity and high side friction, with the Degree of Saturation (DS) on Brigjen Slamet Riyadi Street reaching over 0.8. In response, the Malang City Government implemented a One-Way System (SSA) to reduce the volume-to-capacity ratio and support the Car Free Day (CFD) program. However, this policy has led to a 30% decrease in market visitors due to inefficient detours and increased travel time. Analysis of four key intersections—Guntur, B.S. Riyadi, Buring, and Merbabu—identifies the B.S. Riyadi intersection as the critical congestion point. Results using the PKJI 2023 method show that during the afternoon peak hour, this intersection experiences its highest delay, exceeding 200 seconds/pcu, indicating a Level of Service (LOS) of F (saturated flow). These findings are validated by PTV Vissim microsimulation modeling, which shows delays over 100 seconds and an LOS of F. This significant difference occurs because PKJI 2023 uses static calculations based on an average empirical formula, while PTV Vissim uses microscopic simulations that dynamically model interactions between vehicles.
SPATIO-TEMPORAL ANALYSIS OF LAND COVER CHANGE (1990–2021) AND ITS IMPLICATIONS ON HYDROLOGICAL RISK IN THE CENTRAL CILIWUNG WATERSHED (DEPOK–SOUTH JAKARTA) : Dinamika Perubahan Tata Guna Lahan di DAS Ciliwung Bagian Tengah dan Implikasinya terhadap Lingkungan Perkotaan Yan Oktaria, Belicka; Tri Juniati, Atie; Teguh Prasidha, I Nyoman
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.425

Abstract

The Central Ciliwung Watershed represents a strategic hydrological transition zone between upstream and downstream Jakarta that has experienced rapid urban transformation over the past three decades. This study analyzes spatio-temporal land cover change from 1990 to 2021 and evaluates its implications for hydrological risk. Multi-temporal Landsat Collection 2 Level-2 imagery (30 m spatial resolution) for 1990, 2000, and 2011 and Sentinel-2 Level-2A imagery (10 m spatial resolution) for 2021 were processed. Sentinel-2 imagery was resampled to 30 m to ensure spatial consistency. Atmospheric correction and cloud masking were applied using QA bands and Scene Classification Layer (SCL). Supervised classification with the Random Forest algorithm produced an overall accuracy of 87.6% and a Kappa coefficient of 0.84. Built-up land expanded from 8,240.24 ha (23.9%) in 1990 to 29,258.90 ha (86.3%) in 2021, while agricultural and vegetated areas declined substantially. Increasing impervious surfaces reduce infiltration capacity and elevate runoff coefficients, potentially intensifying peak discharge. These findings highlight the importance of integrated watershed-scale planning and infiltration-based urban drainage strategies.
LAND USE CHANGE, WATERSHED DEGRADATION, AND THE ROLE OF NATURE-BASED SOLUTIONS IN FLOOD RISK REDUCTION IN THE CIMANDIRI WATERSHED, WEST JAVA, INDONESIA Lesmana, Sandy; Trijuniati, Atie; Teguh Prasidha, I Nyoman
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.429

Abstract

Flood occurrence in tropical watershed systems is increasingly linked to structural landscape transformation and declining ecological regulation capacity. In the Cimandiri Watershed of West Java, rapid land conversion over the past three decades has altered hydrological processes and intensified downstream vulnerability. This research investigates long-term land use transitions (1990–2024), evaluates watershed degradation using weighted biophysical indicators, and identifies strategic zones for ecosystem-based flood mitigation. Spatial analysis integrating land use, slope gradient, and critical land status reveals that 42.44% of the watershed area is categorized as moderately to highly degraded. Built-up land expanded almost fourfold during the study period, while forest cover declined substantially, indicating a shift from infiltration-dominated to runoff-dominated hydrological behavior. Areas with elevated degradation levels spatially correspond to zones of recurrent flood exposure in downstream and coastal sectors. The study proposes targeted implementation of Nature-Based Solutions (NbS), including upstream reforestation, riparian buffer restoration, and downstream retention enhancement, as a complementary strategy to conventional infrastructure. The findings emphasize that flood risk in Cimandiri is a systemic watershed issue shaped by cumulative upstream–downstream interactions rather than isolated local factors
KAJIAN LITERATUR KOMPARATIF EFEKTIVITAS INHIBITOR HIJAU BERBASIS EKSTRAK TANAMAN DALAM PENGENDALIAN KOROSI BAJA KARBON Murtiana Sari, Endah; Rahmat, Rahmat; Nur Laksana, Rifo; Probokusumo, Probokusumo
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.431

Abstract

Corrosion is a metal degradation process caused by chemical or electrochemical reactions between metals and their surrounding environment. This phenomenon leads to significant technical, economic, and environmental losses in various industrial sectors. The use of synthetic corrosion inhibitors that may cause environmental hazards has encouraged the development of environmentally friendly corrosion inhibitors known as green inhibitors derived from natural materials. This study aims to analyze the effectiveness of plant-based extracts as corrosion inhibitors for steel through a comparative literature review approach. The research was conducted using a systematic literature review by analyzing 30 scientific articles published between 2015 and 2024 obtained from databases such as Scopus, ScienceDirect, and Google Scholar. The analysis focused on several parameters including types of natural materials, active compounds, adsorption mechanisms, inhibition efficiency, and optimum concentration. The results show that mangosteen peel (Garcinia mangostana), papaya peel (Carica papaya), and banana peel (Musa paradisiaca) have significant potential as green corrosion inhibitors with inhibition efficiencies reaching 93–95%, 78–83%, and 65–72% respectively. Active compounds such as tannins, flavonoids, pectin, and alkaloids contribute to the formation of a protective adsorption layer on the steel surface that reduces corrosion rate. These findings indicate that natural materials have strong potential as environmentally friendly and sustainable corrosion inhibitors for future industrial applications.
PENDUGAAN POTENSI AIR TANAH DENGAN METODE GEOLISTRIK KONFIGURASI SCHLUMBERGER DI PEKON PAGAR DALAM KECAMATAN LEMONG KABUPATEN PESISIR BARAT Budianto, Heri; Syahidah Aini, Nur; Nanda Syanur, Farid
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.438

Abstract

Penelitian ini bertujuan untuk menganalisis penyebaran, kedalaman, dan ketebalan akuifer air tanah di Pekon Pagar Dalam menggunakan metode geofisika geolistrik resistivitas konfigurasi Schlumberger. Metode ini efektif untuk mengidentifikasi sifat aliran listrik batuan bawah permukaan guna mengetahui karakteristik lapisan pembawa air. Data lapangan diolah menggunakan perangkat keras dan lunak yaitu Res2Dinv dan Surfer 12. Hasil penelitian menunjukkan bahwa struktur bawah permukaan terdiri dari Formasi Gunungapi Kuarter Tua dengan nilai resistivitas 36 – 61 Ohm m pada kedalaman 0 – 30 m. Akuifer dangkal yang menjadi sumber air sumur gali ditemukan pada kedalaman 3 – 7 m, sementara akuifer dengan potensi lebih tinggi berada pada kedalaman 20 – 30 m. Berdasarkan korelasi data di Pekon Sukajadi yang memiliki lapisan berpasir, muka air tanah ditemukan mulai kedalaman 35 m dengan debit 1,5 liter/detik. Analisis formasi di lereng Bukit Barisan ini menunjukkan bahwa air baku di lokasi penelitian layak konsumsi. Estimasi nilai Total Dissolved Solids (TDS) berkisar antara 100 – 200 mg/L, yang memenuhi syarat kualitas air baku (maksimal 250 mg/L).
PENGARUH BAHAN PIPA TERHADAP PELURUHAN KONSENTRASI KLORIN DALAM SISTEM DISTRIBUSI AIR MINUM Sumardi, Sumardi
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.439

Abstract

Klorin merupakan desinfektan utama yang digunakan dalam sistem distribusi air minum untuk menjaga kualitas mikrobiologis. Namun, konsentrasi klorin cenderung mengalami peluruhan seiring waktu, yang dipengaruhi oleh reaksi kimia dalam air (bulk decay) maupun interaksi dengan dinding pipa (wall decay). Penelitian ini bertujuan untuk menganalisis laju peluruhan klorin pada kondisi batch, pipa PVC, dan pipa besi dengan memanfaatkan model matematis peluruhan orde satu. Metode penelitian dilakukan melalui uji laboratorium dengan konsentrasi awal klorin sebesar 1,80 mg/L yang diamati selama 7 hari. Data hasil pengukuran dibandingkan dengan hasil prediksi model matematis C(t) = C0e-kbt. Analisis kesesuaian model menggunakan nilai Root Mean Square Error (RMSE) dan koefisien determinasi (R2). Hasil penelitian menunjukkan bahwa pada uji batch konsentrasi klorin menurun menjadi 0,46 mg/L dengan konstanta k= 0.12 hari-1, pada pipa PVC menurun menjadi 0,30 mg/L dengan k= 0.17 hari-1 , dan pada pipa besi menurun hingga 0,15 mg/L dengan k= 0.25 hari-1. Tingkat akurasi model paling tinggi diperoleh pada uji batch dengan RMSE = 0,06 dan R2= 0.98, sedangkan pada PVC dan besi akurasi lebih rendah dengan RMSE masing- masing 0,08 dan 0,10, serta R2 =0,96 dan 0,95. Penelitian menyimpulkan bahwa material pipa memiliki pengaruh signifikan terhadap laju peluruhan klorin, dengan besi menghasilkan peluruhan tertinggi akibat interaksi permukaan yang kompleks. Penelitian ini menyediakan basis data dan model peluruhan klorin yang terkalibrasi untuk interaksi air–material (PVC vs besi) di bawah kondisi uji yang terkontrol, sehingga dapat digunakan sebagai evidence-based decision support untuk desain dan operasi distribusi air minum.
AWARENESS STAKEHOLDER PROYEK TERHADAP TRANSFER PENGETAHUAN DALAM TIM PROYEK KONSTRUKSI Ayu Almaidia, Catur; Utomo, Christiono
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.452

Abstract

Transfer pengetahuan merupakan faktor penting dalam keberhasilan proyek konstruksi mengingat karakteristik proyek yang bersifat sementara, kompleks, dan melibatkan berbagai stakeholder. Project Manager dan tim proyek memiliki peran strategis dalam mendorong proses berbagi pengetahuan di dalam tim proyek, namun pada praktiknya transfer pengetahuan di proyek konstruksi masih belum berjalan optimal, yang mengindikasikan rendahnya awareness stakeholder terhadap pentingnya proses tersebut. Penelitian ini bertujuan untuk menganalisis tingkat awareness stakeholder proyek terhadap transfer pengetahuan dalam tim proyek. Penelitian ini menggunakan pendekatan deskriptif kuantitatif dengan pengambilan sampel purposive sampling terhadap 100 responden yang terdiri dari Project Manager dan anggota tim proyek konstruksi di Surabaya. Data dianalisis menggunakan statistik deskriptif untuk menggambarkan tingkat awareness dan kecenderungan penerapan transfer pengetahuan di lapangan. Hasil penelitian menunjukkan adanya perbedaan tingkat awareness antara Project Manager dan tim proyek, serta adanya gap antara kesadaran terhadap pentingnya transfer pengetahuan dengan penerapannya dalam praktik proyek. Temuan ini menunjukkan bahwa meskipun stakeholder proyek telah memahami pentingnya transfer pengetahuan, implementasinya masih belum konsisten. Penelitian ini memberikan implikasi praktis bagi pengelolaan proyek konstruksi, khususnya dalam meningkatkan peran stakeholder proyek dalam membangun budaya berbagi pengetahuan guna mendukung keberhasilan proyek.

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