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INDONESIA
Civil Engineering Dimension
Published by Universitas Kristen Petra Surabaya
ISSN : 14109530     EISSN : 1979570X     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
The Civil Engineering Dimension (Dimensi Teknik Sipil) is a refereed journal, published twice a year, in March and September.
Arjuna Subject : -
Articles 453 Documents
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Front Matter (Cover, Editorial, Table of Content) Civil Engineering Dimension
Civil Engineering Dimension Vol. 27 No. 1 (2025): MARCH 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

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Abstract

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Improvement of Shear Strength of Clay Shale Soil using Polymer-Calcite Precipitation (PCP) as Soil Stabilization Technique Ramadhan, Fathur; Fauzan, Muhammad; Putra, Heriansyah; Sudibyo, Tri
Civil Engineering Dimension Vol. 27 No. 2 (2025): SEPTEMBER 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.27.2.214-222

Abstract

Clay shale is an expansive soil owing to its shrinkage and expansion, leading to geotechnical issues, such as loss of strength. This study explored the effectiveness of the Polymer–Calcite Precipitation (PCP) method in improving clay shale's shear strength. This study evaluated the optimum Polyvinyl Alcohol (PVA) concentration for enhancing the shear strength and identifying the residual shear strength of the treated soil. Various tests were conducted to determine the soil properties and assess soil improvement using direct shear tests. The results indicate that adding PVA increases the cohesion value of saturated clay shale and maintains its residual strength close to its peak strength value, with the optimum concentration of 4% PVA boosting cohesion from 4.47 kPa to 32.83 kPa. In conclusion, the PCP method effectively enhances the shear strength of clay shale and offers a potential solution for soil stabilization.
Maximizing Land Potential: A Highest and Best Use Analysis for Serviced Apartments in Bali Limantoro, Nicholas Jonathan; Anastasia, Njo
Civil Engineering Dimension Vol. 27 No. 2 (2025): SEPTEMBER 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.27.2.152-166

Abstract

Bali, renowned as a global tourist destination, faces increasing demand for modern and flexible accommodations catering to both tourists and digital nomads. This study explores the development potential of a 1,000 m² plot in Sanur, Bali, into a serviced apartment using the Highest and Best Use (HBU) method. Legal, physical, financial, and market feasibility analyses proposed a layout with 45.1% apartment units, 54.9% supporting facilities, and 33.6% green spaces. A 12-year cash flow projection demonstrates financial viability, with an Internal Rate of Return (IRR) of 18.71%, a Net Present Value (NPV) of IDR 23.442 billion, and a discounted payback period of 11.39 years. This study shows that serviced apartments offer sustainable land use, aligning with market demand while delivering optimal economic returns. This development also supports Bali’s growth as a modern residential hub and reinforces its reputation as a dynamic global tourist destination.
Evaluation of Infiltration Models with Double Ring Infiltrometer Test on Residual Soil in Kulonprogo, Indonesia Muntohar, Agus Setyo; Ikhsan, Jazaul; Setiati, Rehni; Uzuoka, Ryosuke
Civil Engineering Dimension Vol. 27 No. 2 (2025): SEPTEMBER 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.27.2.193-202

Abstract

The hydraulic conductivity of soil is an essential parameter for evaluating the slope instability triggered by rain infiltration. This research uses a Double-Ring Infiltrometer (DRI) at five locations to estimate the hydraulic conductivity from a field infiltration test. Four infiltration models were examined to estimate hydraulic conductivity, including Green–Ampt, Kostiakov, Horton, and Philips equations. Curve fitting on the infiltration rate–time plots were computed with the least square error to determine the infiltration parameters using Levenberg–Marquardt algorithm. The basic infiltration rate ranges from 6.88 mm/h to 721.5 8 mm/h.  The Horton and Philips infiltration model provides better statistical performance to estimate the infiltration rate. The estimated hydraulic conductivity from the four infiltration models results in a relative convergence value; however, the estimation results in more biased hydraulic conductivity at locations containing clay fraction and high-plasticity silt, especially for Green–Ampt and Philip infiltration models.
Predicting Car Drivers' Speeding Behavior in Surabaya, Indonesia Setiawan, Rudy; Prayogo, Michael Antonie
Civil Engineering Dimension Vol. 27 No. 2 (2025): SEPTEMBER 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.27.2.135-141

Abstract

This study examines the influence of demographic, psychological, and situational factors on car drivers’ speeding intentions and behaviors in Surabaya, Indonesia, to inform targeted road safety interventions. An online questionnaire yielded 322 valid responses from licensed car drivers with at least six months of driving experience. Data were analyzed using partial least squares structural equation modeling (PLS-SEM) to assess the relationships between driver characteristics, situational factors, speeding intentions, and actual speeding behavior. Favorable road conditions and situational constraints significantly increased speeding intentions, whereas marital status and self-efficacy significantly reduced them. Self-efficacy also directly decreased speeding behavior, and speeding intentions strongly predicted actual speeding. The model explained 36.1% of the variance in speeding intentions and 24.9% in speeding behavior. These findings highlight the need for integrated interventions—combining education, awareness campaigns, and strict enforcement—to address both attitudinal and situational drivers of speeding.
Investigation on the Structural Behaviour of GFRP Laminated BFRC Beams Arulanandam, Preethy Mary; Shimpi, Vinay; Eswari, Eswari
Civil Engineering Dimension Vol. 27 No. 2 (2025): SEPTEMBER 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.27.2.123-134

Abstract

This study attempts to investigate the performance of the reinforced concrete beam by using basalt fibre reinforced concrete (BFRC) and glass fibre reinforced polymer (GFRC) as external strengthening. For this purpose, four beams with different strengthening were cast and tested under four-point bending tests. The performance of the beams was compared in terms of mid-point deflection, flexural strength, ductility and failure modes. Additionally, finite element models of the beams have been developed to simulate the behaviour of the strengthened beams. Subsequently, the finite element results were compared with the experimental results and were found to be in good agreement. Finally, the experimental testing and numerical results showed that the flexure capacity of the reinforced concrete beams was enhanced for GFRP strengthening and reduction in the deflection of the beams was observed for BFRC.
Seismic Damage State Limits of Non-Engineered Buildings Considering the Randomness of Ground Motions Kristiawan, Stefanus Adi; Sangadji, Senot; Purwanto, Edy; Safarizki, Hendramawat Aski; Sulthon, Aufa Hanif Abiyyu; Muflih, Ahadin Banu
Civil Engineering Dimension Vol. 27 No. 2 (2025): SEPTEMBER 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.27.2.167-179

Abstract

Earthquake-resistant structures are vital to achieving sustainable buildings as they minimize damage during seismic events and allow for easier repairs. In contrast, non-engineered buildings (NEBs) often suffer severe damage, contributing to waste that burdens the environment. Many residential buildings in Indonesia fall into this NEB category, so evaluating the extent of damage during earthquakes is essential. This study analyzed the seismic response of NEB using Incremental Dynamic Analysis (IDA). The dynamic pushover curves derived from the IDA were further examined to identify the damage limit states pertinent to NEB, considering the randomness of the ground motions. The proposed damage limit states, categorized into various levels (DS1-DS4) and their corresponding uncertainties due to random ground motions, highlight the vulnerability of NEBs to seismic events. The high probability of damage to NEBs makes stakeholders aware of the need to take measures to improve the resilience and, ultimately, the sustainability of residential buildings.
Effects of Urban Characteristics on Traffic Accidents Al-Masaeid, Hashem R.; AL-Tal, Raed S.; Mahmoud, Muna A.
Civil Engineering Dimension Vol. 27 No. 2 (2025): SEPTEMBER 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.27.2.142-151

Abstract

This study aimed to examine the effects of urban planning, road network, and other urban related characteristics on road traffic accidents. Amman, the capital of Jordan, which consists of 22 urban districts, was taken as a case study. A cross-sectional data on traffic accidents of different types, urban planning, road network, passenger- and vehicle-kilometers of travel, public transport accessibility, and topographic characteristics were collected. Multivariate regression analyses were performed to develop statistical relationships that may help city planners and traffic engineers to set safety policies and regulations for safe urban environment. The results of analyses indicated that the increase in vehicle-kilometers of travel, road and intersection densities, and percentage of mixed land-use were significantly increasing all types of accidents in each urban district. Also, the results indicated that population density, availability of public transit lines along primary and collector streets, accessibility to public transit services, and school density were significantly related to the pedestrian accident density.
Seismic Performance Evaluation of An Interior Reinforced Concrete Beam-Column Joint Subjected to Cyclic Loading Chandra, Jimmy; Wibowo, Hartanto; Christian, Yonathan Billy; Handoko, Johanna; Gunawan, Angeline; Ardenlie, Felix Go
Civil Engineering Dimension Vol. 27 No. 2 (2025): SEPTEMBER 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.27.2.180-192

Abstract

Many reinforced concrete (RC) buildings in Indonesia suffered severe earthquake damages due to brittle failure and poor detailing works of the beam-column joints. This experimental study aims to investigate the seismic performance of an interior beam-column joint designed according to ACI 318-19 code provisions. The specimen was subjected to static axial loading to simulate gravity loading on column and lateral quasi-static cyclic loading to simulate earthquake loading. From the experimental results, it shows that the RC beam-column joint exhibited ductile beam flexural failure as expected. However, there was a considerable bond-slip noticed on beam’s longitudinal reinforcement. In addition to the experimental study, a finite element analysis was also performed using VecTor2 software. The analysis results show that the model could simulate well the hysteretic behavior of the specimen. Furthermore, from the analysis, bond-slip was also found to be a key factor affecting the hysteretic behavior of the joint.
The Axial Compression Capacity of Finger-Jointed Laminated Board Made from Rubber Wood Species Awaludin, Ali; Sulhan, Muhammad Afif; Effendi, Mahmud Kori; Hassan, Rohana
Civil Engineering Dimension Vol. 27 No. 2 (2025): SEPTEMBER 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.27.2.113-122

Abstract

The utilisation of Rubberwood was an effort to provide an alternative to low-cost housing in Indonesia. This study investigated the use of Rubberwood Finger-Jointed Laminated Board (FJLB) under compression loading parallel to the grain. The investigation included laboratory experiments and numerical analysis. The experiments were conducted using two specimens of FJLB members, each with a length of 2000 mm and a cross-sectional dimension of 100 mm × 100 mm². Finite element analysis (FEA) was employed to predict the axial capacity, considering non-linearity, contact boundary conditions, and buckling analysis of the material. The study found an average axial capacity of 150.9 kN for the two specimens, which was 3.2% higher than the FEA and 5.4% higher compared to the Euler formula. Laboratory measurements revealed that initially, the stress distribution in the cross-section was uniform, then suddenly changed to a combination of tension and compression during the final loading stage.

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