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Syapril Janizar
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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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ZONASI WILAYAH RAWAN BANJIR SUB DAS WAY KANDIS HULU DENGAN PENDEKATAN GEOSPASIAL Rizki, Sekar Dwi; Kuswadi, Didik; Idrus, Muhammad; Purnomo, Adi
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.v7i1.461

Abstract

The land used in Bandar Lampung City has changed significantly. Bandar Lampung City has experienced flooding issues for the last five years. In order to anticipate and lessen the effects of flood disasters, maps identifying locations that was prone to flooding were created as an early warning system. This study aims to map the degree of flood risk in the Way Kandis Hulu Sub-watershed area and zoning areas according to flood vulnerability. The geospatial method used to create this map includes the division of flood vulnerability class intervals, flood vulnerability level zoning analysis, meteorological thematic maps, flood variables that were scored and weighted, an overlay process, and watershed features that contribute to flooding. The Way Kandis Hulu Sub-watershed's level of flood susceptibility was classified as low, medium, and high based on the analysis, which showed that the value interval for the flood vulnerability class reached 150. According to the analysis, Rajabasa District received the highest score for flood vulnerability, covering an area of 3.2153 km2, or 41.30% of the Way Kandis Hulu Sub-DAS's total area. The high Risc zone has the highest level of flood vulnerability, with an area of 7.7585 km2 (99.66%).
ALTERNATIF TERBAIK ALAT PEMELIHARAAN JALAN BERBASIS LIFE CYCLE COST DI BPJN MALUKU UTARA Rajak, Hajar; 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.v7i1.462

Abstract

Road maintenance is a critical activity conducted periodically, routinely, or upon the occurrence of damage to ensure road conditions remain steady, safe for use, and functional throughout their service life. The National Road Implementation Agency (BPJN) of North Maluku faces significant challenges in selecting alternative road maintenance equipment that satisfies not only technical criteria but also economic efficiency throughout its life cycle. This study utilizes the Life Cycle Cost (LCC) analysis method to evaluate equipment alternatives by identifying all costs incurred over a 10-year period, ranging from initial procurement to disposal. Data collection was conducted through structured interviews and field observations at BPJN North Maluku. The study compares two equipment group scenarios for pothole patching works. Alternative 1 prioritizes the use of a 2-Ton Vibro Roller as the primary compaction tool. In Alternative 2, the equipment group is structured based on the minimum equipment standards according to routine road maintenance guidelines, utilizing a Baby Roller (0.8-Ton capacity) as the primary compactor. The selection of these tools was based on field efficiency considerations. The calculation and analysis results show that Alternative 1 generates an LCC value of Rp 28,053,521,418.34, while Alternative 2 amounts to Rp 28,481,522,517.30. Although Alternative 2 offers a lower initial purchase price, Alternative 1 was selected as the optimal solution because it yields the lowest total LCC, demonstrating superior long-term economic value.
EVALUASI KELAYAKAN LAHAN PEMBANGUNAN GEDUNG LABORATORIUM ENTERPRENEURSHIP CENTER POLITEKNIK NEGERI LAMPUNG Putri, Vera Chania; Phelia, Arlina; Cambodia, Mirnanda; Anggi Silova, Martina
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.v7i1.463

Abstract

The construction of the Entrepreneurship Center Laboratory Building at Politeknik Negeri Lampung requires an initial technical assessment to ensure that site conditions adequately support the planned structure. This study aims to evaluate the feasibility of the building development based solely on land conditions, focusing on topography, soil characteristics, and earthwork requirements (cut and fill). The research employed a descriptive–analytical approach using secondary data from the Detail Engineering Design (DED), topographic maps, and Cone Penetration Test (CPT) results, supported by field observations for verification of existing conditions. The results indicate that the site elevation ranges from 144.41 to 146.22 m, with slope gradients between 2.6% and 3.6%, classifying the land as gently sloping and relatively stable for building construction. Geotechnical analysis based on CPT data shows that the soil bearing capacity is sufficient to support a bored pile foundation system. Earthwork analysis reveals a cut volume of 1,339 m³ and a fill volume of 107 m³, resulting in a surplus excavated material of 1,234 m³ that can be technically managed during construction. The overall land feasibility assessment, evaluated using a multi-criteria scoring method, yields a score of 4.30 out of 5.00, indicating that the site is feasible for the proposed building development when assessed from land condition aspects.
WANPRESTASI DALAM KONTRAK KONSTRUKSI PROYEK PEMERINTAH YANG DIBIAYAI APBN/APBD Yanti, Yanti; Hardjomuljadi, Sarwono; Edi, Dwi
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.v7i1.466

Abstract

Construction contract disputes in government projects funded thru the State Revenue and Expenditure Budget (APBN) and the Regional Revenue and Expenditure Budget (APBD) are legal issues that frequently occur and have wide-ranging implications for public interests. One of the dominant forms of disputes is default in the execution of construction contracts, whether committed by the service provider or the service user. This research aims to analyze the characteristics of default in government project construction contracts and to examine the legal considerations of the Supreme Court in Decision Number 171 PK/PDT/2025. This research uses a normative legal research method with an approach based on legislation, conceptual, and case approaches. The scope of this research is limited to the analysis of default in construction contracts for government projects funded by the state budget (APBN/APBD) and the legal considerations of the Supreme Court at the review stage, without discussing the technical aspects of construction or the overall procurement process of goods and services. The research results show that default in government construction contracts has complex characteristics because it lies at the intersection of civil law and public law. The Supreme Court in that ruling consistently applied the principle of legal certainty and the principle of pacta sunt servanda by limiting the scope of the Review process to the aspect of law application. This decision has important implications in strengthening legal certainty and providing guidance for the parties involved in the implementation of construction contracts for government projects funded by the state budget (APBN/APBD).
PENGARUH SISTEM DILATASI TERHADAP KINERJA SEISMIK GEDUNG RUMAH SAKIT 7 LANTAI BERDENAH U Janizar, Syapril; Fauzan Ardillah, Muhammad
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.v7i1.467

Abstract

Berikut ini adalah revisi abstrak dalam bahasa Inggris yang telah disesuaikan dengan isi dokumen Anda, termasuk metode elemen hingga, penggunaan perangkat lunak analisis struktural, serta standar SNI 1726:2019 dan SNI 2847:2019. ABSTRAK Peningkatan permintaan akan fasilitas kesehatan di daerah perkotaan telah mendorong pembangunan gedung rumah sakit bertingkat dengan konfigurasi lantai yang kompleks dan tidak teratur, seperti tata letak berbentuk U. Ketidakteraturan semacam ini dapat menyebabkan respons gempa yang tidak menguntungkan akibat distribusi massa dan kekakuan yang tidak merata, yang dapat menimbulkan efek torsi dan konsentrasi tegangan selama peristiwa gempa. Studi ini bertujuan untuk menganalisis pengaruh sistem sambungan ekspansi terhadap kinerja gempa bangunan rumah sakit bertingkat tujuh berbentuk U. Penelitian ini menggunakan pendekatan kuantitatif melalui simulasi numerik berdasarkan pemodelan struktural tiga dimensi menggunakan perangkat lunak berbasis elemen hingga. Analisis gempa dilakukan menggunakan metode beban lateral statis setara sesuai dengan SNI 1726:2019 untuk ketahanan gempa dan SNI 2847:2019 untuk persyaratan beton struktural. Dua model struktural dibandingkan: model monolitik tanpa sambungan ekspansi dan model yang memasukkan sambungan ekspansi yang ditempatkan secara strategis antara massa bangunan. Parameter yang dievaluasi meliputi perpindahan lateral, pergeseran antar lantai, distribusi gaya internal, dan stabilitas struktural global. Hasil analisis menunjukkan bahwa implementasi.
Pengembangan dan Kalibrasi Alat Bantu Pengukur Rotasi Sambungan Baja Berbasis LVDT Setiyarto, Y Djoko
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.v7i1.475

Abstract

Rotation measurement is a key parameter in evaluating the mechanical behavior of steel connections under moment loading. Direct measurement of rotation using conventional sensors such as Linear Variable Differential Transformers (LVDTs) is challenging, as LVDTs are primarily designed to measure translational displacement rather than angular deformation. This study presents the development and calibration of an indirect rotation measurement device based on LVDT displacement conversion using a mechanical wire–roller system. The proposed device converts rotational motion of a horizontal steel member into linear displacement through a steel wire wound around a roller, which is subsequently measured by an LVDT. The calibration was performed within a rotation range of 0°–30° using a 14 mm roller diameter under laboratory-controlled conditions. Calibration was conducted using two approaches: manual rotation measurement with a protractor and controlled loading using a Universal Testing Machine (UTM) equipped with an anglemeter. The results show that calibration performed using UTM loading provides closer agreement with theoretical arc-length calculations, particularly for small rotation angles. The average deviation of the UTM-based calibration relative to theoretical arc-length calculation was ±0.94%, with a maximum deviation of 5.8% at small rotations. The regression model yielded R² = 0.99, indicating excellent linearity. A linear correlation between LVDT displacement and rotation angle was established and adopted as the calibration equation. The proposed measurement system demonstrates adequate accuracy and reliability for experimental investigation of rotational behavior in steel connections.
Sustainable Self-Compacting Concrete: The Role of Limestone Powder as A Cement Replacement Muhammad Ramdhan Olii; Andi Aswin Rahman; Nasir Bumulo; Rahman Abdul Djau; Ilyas Ichsan
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.v7i2.505

Abstract

The excessive use of cement in concrete production contributes significantly to environmental impacts, particularly CO? emissions. One potential solution is the partial replacement of cement with limestone powder in self-compacting concrete (SCC). This study aimed to investigate the effect of limestone powder as a partial cement replacement on the fresh properties and compressive strength of SCC. Limestone powder was used at replacement levels of 0%, 6%, 9%, 12%, and 15% by weight of cement. The fresh properties of SCC were evaluated using slump flow, V-funnel, and L-box tests, while compressive strength tests were conducted to assess hardened performance. The results showed that SCC mixtures containing up to 9% limestone powder satisfied the SCC workability requirements. The optimum performance was achieved at 6% limestone powder replacement, which produced a slump flow diameter of 600 mm and compressive strength of 29.58 MPa, exceeding the design strength target of 25 MPa. Higher replacement levels reduced both workability and compressive strength, with the 15% mixture failing to meet acceptable performance criteria. These findings indicate that limestone powder can be effectively utilized as a sustainable partial cement replacement in SCC at moderate replacement levels while maintaining satisfactory fresh and hardened properties.
Studi Eksperimental Variasi Komposisi Fly Ash dan Abu Batu Andesit Terhadap Kuat Tekan Mortar Geopolimer Nanda Agustin; Tira Roesdiana
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.v7i2.513

Abstract

Geopolymers are one of the innovative materials currently being developed as a substitute for portland cement as a binder. CoMPared to Portland cement-based mortar, geopolymer mortar offers advantages such as relatively low carbon emissions, competitive compressive strength potential, and good chemical resistance. The method used in this study involved test specimens measuring 5 × 5 × 5 cm3 using room temperature curing. The binder mixtures used consisted of fly ash and andesite ash, with five different ratios: 70% FA : 30% ABA; 50% FA : 50% ABA; 30% FA : 70% ABA; 0% FA : 100% ABA and 100% FA : 0% ABA. The activator solution used a ratio of Na2SiO3 : NaOH ratio of 2,5 : 1 with an 8 mol/L NaOH concentration. This study aimed to determine the optimum percentage ratio of fly ash and andesite ash mixture. The results showed that differences in binder composition affect the compressive strength of the geopolymer mortar. The optimum compressive strength of all test specimen variations was obtained in the 70% FA : 30% ABA variation, at 17,07 MPa at 28 days. These findings indicate that fly ash can accelerate the geopolymerization process, while andesite ash function as an additive that helps make the mortar structure denser.
PENGARUH FILLER SERBUK BATA MERAH DAN ABU SERBUK KAYU JATI TERHADAP KARAKTERISTIK MARSHALL Novi Nirmala Putri; Shinta Novriani
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.v7i2.514

Abstract

Road pavement really needs a mixture of asphalt that has good durability and stability, because roads have an important role in the transportation system to support economic growth and community mobility. This study aims to analyze the effect of the use of Red Brick Powder and Teak Wood Powder Ash as a substitute for fillers on AC-WC asphalt mixtures. With the increasing amount of red brick powder and teak wood powder ash and has not been utilized optimally, there is a need for innovation in the use of environmentally friendly alternative materials. The method used in this study is Marshall testing to determine the characteristics of the mixture, such as stability, flow, VIM, VMA, and VFA with different filler content variations. The filler variation used in this study was 0%, 5%, 7% with a ratio of 80 : 20. The results showed that the 7% filler variation provided the most optimal mixture characteristics with a VIM value of 4.89% and a VMA of 15.89% which still met the required specifications. In addition, the values of stability, flow, VFA, and Marshall Quotient are also within the standard limits. Based on these results, red brick powder and teak wood ash have the potential to be used as filler alternatives to AC-WC mixtures that are more environmentally friendly.
Systematic Literature Review: Regulatory Uncertainty and Its Impact on Hospital Project Performance Jasran Asya; Yohanes Calvinus; Oei Fuk Jin
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.v7i2.516

Abstract

Hospital infrastructure projects are inherently complex due to their exposure to dynamic healthcare regulations, fiscal constraints, long-term financing arrangements, and technological innovation. Regulatory uncertainty has emerged as a critical institutional factor influencing project performance; however, its impact within hospital projects remains insufficiently synthesized. This study employs a Systematic Literature Review (SLR) following PRISMA 2020 guidelines to analyze 19 peer-reviewed studies published between 2022 and 2026 that examine the relationship between regulatory uncertainty and project performance. The findings indicate that 42.1% of the reviewed studies report a positive association between regulatory uncertainty and cost overruns, while 36.8% identify significant links to schedule delays. The effect on quality outcomes is non-linear: some studies reveal quality deterioration due to time and budget pressures, whereas others demonstrate that stable and stringent regulatory frameworks enhance technical quality and accountability. These mixed findings suggest a regulatory–performance paradox, where regulatory volatility increases risk and inefficiency, but regulatory stability strengthens governance and long-term project sustainability. This study proposes a conceptual framework positioning regulatory uncertainty as an institutional mediator between governance structures, financing mechanisms, and hospital project performance, offering implications for policy design and risk management in healthcare infrastructure development.

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