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Journal of Civil Engineering
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : 20861206     EISSN : 25799029     DOI : -
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation
Journal of Civil Engineering (eISSN 2579-9029/pISSN 2086-1206) is a new journal that preceded by the previous Civil Engineering Department ITS Journal which was well known as Jurnal Teknologi dan Rekayasa Sipil (TORSI). TORSI journal was established in March 1981. In 2009, TORSI journal name was changed to Journal of Civil Engineering. Journal of Civil Engineering is managed by Pusat Publikasi Ilmiah LPPM Institut Teknologi Sepuluh Nopember (ITS). Journal of Civil Engineering published at least five papers for each volume. Annually two volumes are published with the first volume is published within the period of January-June and the second volume is published within the period of July-December. The Peer-review process is online based using the OJS portal. Focus and Scope The Journal of Civil Engineering (JCE) publish scientific article which is specific for civil engineering. JCE article must be written either in Indonesian or English languages. The focus and scope of the journal are: 1. Structures (High-Rise Building, Bridges, Long-Span Bridges) 2. Materials (Concrete, Steel, Fiber-Reinforced Concrete, Composites) 3. Hydraulics and Hydrology 4. Geotechnics (Foundation, Embankment Stability) 5. Construction Management 6. Transportations (Highways, Trains, etc.) 7. Green Buildings and Architectures
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 14 Documents
 1   2 
Search results for , issue "Vol 40, No 1 (2025)" : 14 Documents clear
Modeling Reinforced Concrete Column with GRFP Transverse Reinforcement Adena, Haura; Alrasyid, Harun; Sutrisno, Wahyuniarsih; Piscesa, Bambang
Journal of Civil Engineering Vol 40, No 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i1.22019

Abstract

The utilization of GFRP (Glass Fiber Reinforced Polymer) in reinforced concrete structures is gaining attention due to its high strength and low corrosion. The application of GRFP rebar as longitudinal and tranverse reinforced columns has been studied through experimental testing. However it is important to understand the deformation responses and to predict the behavior of concrete columns with GRFP Rebar. This objective requires suitable and effective tools. This study presents Finite Element Analysis of Concrete Column reinforced with GRFP Rebar using 3DNLFEA. The result showed that The analysis result exhibited that the prediction of model behavior corresponds well with the experimental results.
Effect of the Increase in Vertical Web Member Stiffness on Lateral Buckling Strength of the Pony Steel Bridge Sugihardjo, Hidajat; Rosyidi, Moh Fadhlan; Suswanto, Budi
Journal of Civil Engineering Vol 40, No 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i1.22608

Abstract

In half-through bridge or pony steel bridge, that is a bridge without upper wind bracing, strength of the bridge is determined mainly by the lateral buckling strength of its upper chord. Buckling strength of this chord is provided by the flexural stiffness of vertical web member, cross beam, and diagonal beam. In order to improve the stiffness of vertical web member, triangular steel profile that was quite high was added to the inner side of bridge for reducing the clearance width in bridge and disturbing traffic or pedestrian. In this research, stiffness of the vertical web member was improved by using the non-prismatic cross section and adding the triangular stiffener as high as the concrete deck.  Finite Element Analysis for the lateral stiffness of bridge cross section used a 3D element model which has been validated by previous study. This numerical study was conducted to validate the Engesser theory for determining the lateral elastic stiffness from upper chord. Study shows the result that accuracy of 3D element model is extremely high, compared with analytic method. Lateral elastic stiffness of bridge in general increased along with the stiffness of vertical web member. However, it can be concluded that effect on the capability of lateral buckling in upper chord was not too significant, as a consequence of the increase in stiffness of vertical web member. Critical lateral buckling occurred in an inelastic range, in which the critical inelastic buckling stress was determined using small tangent modulus as alternative of modulus of elasticity.
NUMERICAL ANALYSIS OF SHEAR CAPACITY OF DOUBLE CORRUGATED WEB GIRDER INFILLED Mahzumah, Cindy; Kristijanto, Heppy; Habieb, Ahmad Basshofi; Ghifari, Fikri
Journal of Civil Engineering Vol 40, No 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i1.21662

Abstract

This research investigates the shear capacity of double corrugated web steel I- girders filled with concrete using finite element analysis. The study examines the influence of the corrugation angle and the thickness of the concrete filling on the strength capacity of the girder beams. Four beams were designed to fail in shear along a 1500 mm span from the left support of the beam, enabling the determination of shear failure conditions. Each beam had identical properties with a flange width (B) of 250 mm, a web height (H) of 1000 mm, a span length of 3500 mm, a flange thickness (tf) of 15 mm, and a web thickness (tw) of 1 mm. The research employed a 3-point bending method, applying a single load point 1500 mm from the left support. The tests were conducted by varying the corrugation angles and the thickness of the concrete filling in the corrugated web, which served as the research variables. The study aimed to determine the peak load-deflection curve, the failure mode diagram, and the shear capacity of the girder beams. The results of the tests showed that the double corrugated web steel I-girder filled with concrete, with a corrugation angle of 45 degrees and a concrete thickness of 65 mm, exhibited the best load-bearing strength among the three variations tested. It demonstrated a 52.65% increase in load capacity and a 53.49% reduction in deflection compared to the finite element validation test values. In contrast, the other three variations showed a decrease in shear strength.
Comparison of Flood Hydrograph of Manikin Dam Watershed Using Synthetic Unit Hydrograph Method, HEC-HMS and Rain on Grid Model with HEC-RAS 2D Pukan, Mariano Ado Galot; Lasminto, Umboro
Journal of Civil Engineering Vol 40, No 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i1.22124

Abstract

Manikin watershed is located in Kuaklalo Village which borders Bokong Village, Taebenu Subdistrict, Kupang Regency, East Nusa Tenggara Province which has an area of 49.31 km2 with a river length of 8.62 km which has a semi-arid climate with a fairly high annual rainfall of around 1000 - 1500 mm. This study aims to compare the design flood discharge and peak hour with Nakayasu Synthetic Unit Hydrograph (HSS) method, GAMA I, HEC-HMS and rainfall discharge model with HEC_RAS 2D in Manikin Dam watershed. In this study, 6-hour rainfall with a return period of 50 years and 100 years was used. Based on the analysis results, the calculation of the hydrological numerical model flood discharge with the HEC-HMS method with a return period of 50 years and 100 years is 511.90 m³/s and 599.30 m³/s with a peak time at the 4th hour. The peak discharge values obtained using the Nakayasu Synthetic Unit Hydrograph and GAMA I methods with a return period of 50 years and 100 years are 342.11 m³/s, 381.14 m³/s and 406.44 m³/s, 456.13 m³/s, and the peak time obtained at SUH Nakayasu is 3 hours and GAMA I is 4 hours. Numerical model results with HEC-RAS 2D v6.6 with 6 hours of rainfall on the grid obtained peak discharge hydrograph values for the 50-year and 100-year return periods of 494.86 m³/s and 604.88 m³/s, with the peak time at the 5th hour. Therefore, the largest peak discharge and peak time results were obtained from the HEC-HMS method among the three SUH formulas and HEC-RAS calculations.
Behaviour of RC Beam-Slab Member with Embedded Polystyrene Spheres Ling, Jen Hua; Lau, Ji Wei; Lim, Yong Tat
Journal of Civil Engineering Vol 40, No 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i1.19650

Abstract

In this study, four reinforced concrete specimens were produced. Each specimen consisted of two beams and one slab. Polystyrene spheres were used to replace concrete in the beams and slabs in various combinations to reduce weight. The specimens were subjected to an incremental static load under the four-point load setup. The effects of polystyrene spheres on the structural performance of these specimens were investigated. The specimen with solid beams and lightweight slab (i.e., embedded with polystyrene spheres) had the highest material efficiency. Its efficiency was 5% higher than that of the entirely solid specimen. The material's effectiveness decreased by 2% to 4% when the beams were filled with polystyrene spheres. This was regardless of whether the slab contained polystyrene spheres. From feasibility analysis, none of the specimens fulfilled all five assessment criteria. Ductility was a concern for the specimens. The current specimen designs were unable to outstrength the solid specimen. The size and shape of the polystyrene, as well as the dimension of the specimen, may be modified to improve its efficiency.
Analytic Hierarchy Process as a Determinant of Irrigation Allocation Priorities with e-Paksi Parameters Roliono, Cahyo Aji; Maulana, Mahendra Andiek; Savitri, Yang Ratri
Journal of Civil Engineering Vol 40, No 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i1.21899

Abstract

Optimal management of irrigation water allocation is an important challenge especially in areas with limited resources. The Analytical Hierarchy Process (AHP) method can be used as a tool in complex decision-making by considering various factors that affect water allocation. In this study, AHP is applied to address the gaps in the e-Paksi program that uses individual judgement, which applied a subjective norm values. This study seeks to achieve balanced water allocation priorities using that approach, reflecting the existing physical conditions and social interests of the community, as represented by the assessment of field practitioners. The criteria used in the AHP analysis include Physical Structure, Crop Productivity, Supporting Facilities, Organisation Personnel, Documentation, and Water User Farmers, derived from e-Paksi. The case study was conducted in the SIM Irrigation Area (D.I.), with secondary alternatives including Sumber Batang, Purwodadi, Ngabean, Bedilan, Karang, and Ulo. The results show that the highest irrigation allocation priority is given to Karang secondary with a priority value of 0.1735. The condition of Karang secondary based on UPI BBWS BS has an average value of 3.83 on a scale of 1 to 5. Integration of AHP approach with e-Paksi value criteria provides more comprehensive results for decision making in fair and appropriate irrigation water allocation.
Enhancement of Flood Hazard Assessment through Parameters Modification: A Case Study of the Sikambing Watershed Fachri, Fiqih Jul; Harlan, Dhemi; Nugroho, Joko; Chaidar, Ana N.; Kasim, Muh. Reysha S.
Journal of Civil Engineering Vol 40, No 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i1.22288

Abstract

This study focuses on enhancing the flood hazard assessment parameters in Indonesia, particularly within the framework established by the National Disaster Management Agency (NDMA) of the Republic of Indonesia. Given the multifaceted nature of flood hazards, influenced by factors such as land cover change, climate change, and the failure of flood control structures, it is essential to adopt a more comprehensive approach to flood hazard assessment. The research was conducted in the Sikambing Watershed in Medan City, North Sumatra Province, an area that has experienced 12 significant flood events affecting over 13,000 individuals between 2020 and 2024. To improve the flood hazard assessment, this study employs a quantitative method where hydrological and hydraulic analyses serve as the empirical foundation, and flood hazard mapping is carried out by modifying existing parameters to incorporate flood depth (d), flow depth and velocity (dv), and flood duration (T). Additionally, a comparison is made with the flood hazard map based on NDMA parameters to analyze the changes in hazard classification. The resulting flood hazard map indicates a total inundated area of 227.65 hectares; however, the use of different parameters results in significant changes in the proportions of each hazard class. While the low classification dominates both maps, there is an increase in the inundated area classified as medium, covering 17.43 hectares, compared to only 3.25 hectares for the medium hazard classification in the NDMA-based flood hazard map. These results demonstrate that parameter modification provides a more comprehensive picture of flood hazard assessment. This research is expected to contribute to disaster mitigation planning, evacuation strategies and the development of more effective flood control infrastructure.
A Study on the Effects of Implementing Base Isolation System for Existing RC Buildings on Soft Soil Firmansyah, Muhammad Farhan; Habieb, Ahmad Basshofi; Faimun, Faimun
Journal of Civil Engineering Vol 40, No 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i1.19925

Abstract

The occurrence of earthquakes is frequent in Indonesia due to its position in a highly active tectonic zone. One approach to improve the seismic performance of existing buildings is through the use of base isolation. The concept of using base isolation systems aims to increase the natural period of structures and provide additional damping to reduce seismic forces on the structures. A comparative study was performed between a fixed base system and base isolated system in a 13-story reinforced concrete building located in Surabaya on soft soil. Subsequently, these models were evaluated for their structural response using the nonlinear time history analysis. The results demonstrate that the use of base isolation systems can significantly elongate the building’s natural period, resulting in a significant decrease in the base shear, acceleration response, drift, and the plastic hinge formed. This study proves that this technology is suitable to be applied to existing buildings with satisfactory results.
Factor Analysis of Sustainable Procurement Implementation in the Public Sector Construction Industry Aisha, Della; Wiguna, I Putu Artama
Journal of Civil Engineering Vol 40, No 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i1.21933

Abstract

Public procurement holds significant potential to advance a country's sustainability agenda due to its substantial procurement volume. However, the gap between the principles of sustainable construction and their implementation in Indonesia remains suboptimal, with limited studies addressing sustainable procurement in the construction sector. Therefore, this research aims to identify the factors of the implementation of sustainable procurement in the public sector of the construction industry. Data were collected through a questionnaire survey involving 50 respondents from the procurement department of the Ministry of Public Works and Housing (PUPR). The research used a 5-point Likert scale for measurement, and data were analyzed using exploratory factor analysis. This research found five main factors in sustainable procurement practices, namely: environmental purchasing, implementation of management systems, implementation of economic benefits, implementation of government regulations, and social procurement
Enhancing Flood Detection in Surabaya: A Comparative Study of VV and VH Polarizations with Sentinel-1 Data Ashilah, Hafizhah; Lasminto, Umboro
Journal of Civil Engineering Vol 40, No 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i1.22329

Abstract

Flood mapping is critical to strengthen urban resilience, particularly in Surabaya, where flooding is a major and recurring threat. Sentinel-1 satellite data offers significant advantages for flood model calibration due to its high-resolution imagery and frequent revisits. This study utilizes Google Earth Engine to process and analyse Sentinel-1 data for mapping flood extents using two different polarizations: VV and VH. The research compares the capabilities of these polarizations in detecting flood areas. The results show that VV polarization consistently identifies a larger flood area compared to VH polarization under similar processing conditions. However, the Kappa coefficient was used to assess classification accuracy, with VV achieving a Kappa of 0.8 and VH reaching a higher Kappa of 0.92, reflecting better classification performance. These findings suggest that while VV provides a broader flood detection, VH offers more reliable flood mapping, highlighting the trade-offs between sensitivity and accuracy in flood monitoring using Sentinel-1 satellite.

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