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Yusra Aulia Sari
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Journal of Civil Engineering and Planning (JCEP)
Published by Universitas Internasional Batam
ISSN : -     EISSN : 27466299     DOI : http://dx.doi.org/10.37253/jcep.v1i2.725
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Transportation
JCEP is an article about research activities with the theme of study of Civil Engineering. Published articles are findings or reflections from research activities that are disseminated for practice by relevant stakeholders. Dissemination in articles published by JCEP is not limited to ideas, methods and material objects, but also includes elements of capacity building for stakeholders in identifying and solving various problems to develop Civil Engineering. JCEP covers topics related to science, analysis, development, intervention, modeling and design of communities, cities and regions including: 1. Structure 2. Geotechnical 3. Transportation 4. Water Resources 5. Construction Management. 6. Environmental 7. Urban Planning 8. Material
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 228 Documents
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Evaluation of Ferry Passenger Satisfaction in Batam City Based on Perceptions of Safety, Comfort, and Service Quality Kelvin Saputra Mulyadi; Andri Irfan Rifai; Yusra Aulia Sari
Journal of Civil Engineering and Planning (JCEP) Vol. 7 No. 1 (2026): JCEP
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v7i1.12038

Abstract

Batam is a strategic gateway for international maritime transportation, connecting Indonesia with Singapore and Malaysia through ferry services. This study aims to evaluate ferry passenger satisfaction in Batam City based on three key service dimensions: safety, comfort, and service quality, and to examine their contribution to customer loyalty. A descriptive quantitative approach was employed using the Statistical Package for the Social Sciences (SPSS). Primary data were collected from 21 ferry passengers through a structured questionnaire using a five-point Likert scale. Descriptive statistical analysis was performed to identify response patterns and satisfaction levels. The results indicate that passengers are generally satisfied with the ferry services. The highest satisfaction scores were obtained for safety facilities, including life jackets and evacuation routes (4.38), crew friendliness (4.33), and seating and ventilation comfort (4.29). However, several aspects require improvement, particularly cabin tranquility (3.90), toilet cleanliness (3.95), and food and beverage services (4.00). Overall, ferry services in Batam have met passengers' basic expectations, although continuous improvements in supporting facilities and service quality are essential to enhance customer satisfaction and long-term passenger loyalty.
Evaluation of the Causal Factors and Impact of Contract Change Orders (CCO) on the Implementation of Building Construction Projects Sukarsih; Yunita Mauliana
Journal of Civil Engineering and Planning (JCEP) Vol. 7 No. 1 (2026): JCEP
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v7i1.12099

Abstract

Contract Change Order (CCO) is a contract change in a construction project where there is additional work to adjust the field volume or schedule changes without changing the contract articles. This study aims to identify the factors causing CCO and evaluate the impact of CCO on the implementation of government building construction projects in West Tulang Bawang Regency using the Influence Diagram method. Based on the results of the analysis that has been done, there are seven main factors that cause CCO, namely: design errors, incomplete drawings, errors in field implementation, errors in implementation methods, weather factors, soil conditions, and price fluctuations. CCO is carried out in 3 ways, namely: revising the design, revising the Cost Budget Plan (RAB), and revising the schedule (S curve). The impacts that occur after the CCO on this project are volume adjustments, time delays, decreased productivity and the potential for conflict. The impact caused by volume adjustments causes changes in material specifications, unit costs and the need for additional work to be done so that it does not change the contract value of the work. The impact caused by the 10-day delay in completion time results in the contractor having to pay a fine of Rp. 280,449,811.50. The impact of quality adjustments can lead to improved specifications, thus improving the quality of work. Another impact of CCO is the potential for conflict, which, if not resolved properly, can escalate to legal proceedings.
Analysis of Structural Response Reduction to Earthquakes Using a Tuned Mass Damper Inerter (TMDI) System Ansadilla Niar Sitanggang; Mitsaq Addina Nisa
Journal of Civil Engineering and Planning (JCEP) Vol. 7 No. 1 (2026): JCEP
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v7i1.12227

Abstract

An inerter is a two-terminal mechanical element capable of generating a force proportional to the relative acceleration between its terminals, thereby enhancing the inertial effect in structural systems. The integration of an inerter with a Tuned Mass Damper (TMD) forms a Tuned Mass Damper Inerter (TMDI) system, which has the potential to improve vibration control performance under seismic excitation. This study aims to evaluate the effect of implementing TMDI on the dynamic response of building structures. The optimal design parameters of the TMDI were determined numerically by varying the frequency ratio (f) and damping ratio (ξ) based on the minimization of structural displacement response. The structural model analyzed in this study is a 12-story building equipped with a TMDI connected between the top floor and several lower floors. The analysis was conducted using a 12-story MDOF model based on MATLAB, with parameter optimization performed using the fminimax function and time-history evaluation under several earthquake records. The results show that connecting the TMDI to at least the 6th floor can reduce the structural responses in terms of displacement, acceleration, and velocity by approximately 50%, 41%, and 36%, respectively, compared with the structure without an inerter. In addition to providing greater response reduction, the TMDI system requires a smaller additional mass compared with a conventional TMD. To achieve approximately 20% response reduction, the TMDI requires a mass that is about four times smaller than that required by a TMD.
Resilience of Archipelagic Regions to Hydrometeorological Disasters: A Multidimensional Approach to Infrastructural, Social, and Economic Aspects Amelia Masza; Mulia Pamadi; Gilbert Trio Junanda
Journal of Civil Engineering and Planning (JCEP) Vol. 7 No. 1 (2026): JCEP
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v7i1.12288

Abstract

Background: Hydrometeorological disasters are the most dominant type of disaster in Indonesia and have a significant impact on archipelagic regions due to their geographical characteristics, limited connectivity, and high dependence on weather and sea conditions. These conditions make archipelagic regions vulnerable to floods, high waves, storms, coastal abrasion, and sea level rise, which impact infrastructure, social, and economic aspects. Objective: This study aims to assess the resilience of archipelagic regions to hydrometeorological disasters through a multidimensional approach that includes infrastructure, social, and economic aspects. Method: The study used the Systematic Literature Review (SLR) method through the process of identifying, screening, evaluating, and synthesizing articles from Google Scholar and ScienceDirect databases using Publish or Perish software. From the initial search results of 973 articles, 5 articles were obtained that met the inclusion criteria and were relevant to the research topic. Results: The results of the study indicate that the resilience of archipelagic regions is influenced by the relationship between infrastructure, social, and economic aspects. Coastal infrastructure and transportation play an important role in maintaining regional connectivity, while social cohesion, institutional capacity, and early warning systems support preparedness and post-disaster recovery. Furthermore, the tourism, fisheries, and logistics sectors are the economic sectors most vulnerable to hydrometeorological disturbances. Conclusion: Building resilience in archipelagic regions requires a multidimensional approach through strengthening adaptive infrastructure, increasing community social capacity, and developing economic systems that are resilient to disasters and climate change.
Seismic Risk and Vulnerability Assessment of Mid-Rise Steel Building with Soft Story Effects Ridho Aidil Fitrah; Maulana Arif; Zev Al Jauhari
Journal of Civil Engineering and Planning (JCEP) Vol. 7 No. 1 (2026): JCEP
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v7i1.12311

Abstract

Soft-story irregularity is a critical form of vertical structural irregularity that significantly increases the seismic vulnerability of mid-rise steel buildings. This condition commonly occurs when the ground floor has substantially lower lateral stiffness than the upper stories due to the absence or reduction of masonry infill walls. During earthquakes, seismic demands concentrate at the weaker story, resulting in excessive inter-story drift and rapid stiffness degradation. This study evaluates the seismic performance and fragility of a seven-story steel moment-resisting frame with a soft-story configuration at the first floor. A three-dimensional numerical model was developed in ETABS and analyzed using nonlinear static pushover analysis in both principal directions. Structural properties were designed according to SNI 1729:2020, while seismic loading was based on the response spectrum specified in SNI 1726:2019 for Padang City. The resulting capacity curves were converted into the Acceleration–Displacement Response Spectrum (ADRS) format to define four performance limit states: Slight, Moderate, Extensive, and Complete Damage. Fragility curves were subsequently developed using lognormal cumulative distribution functions and HAZUS methodology to estimate the probability of exceeding each damage state under increasing spectral displacement demands. The results indicate that seismic deformation is concentrated at the soft-story level, causing significant stiffness degradation and reduced post-yield capacity. The fragility analysis reveals an increasing probability of severe damage with increasing seismic demand, confirming that soft-story irregularity substantially increases the collapse potential of mid-rise steel buildings in high-seismic regions.
Study of Flood Control Measures for the Melayu and Padolo Rivers in Rasanae Barat District, Bima City Marisdha Jauhari; Mahendra Andiek Maulana
Journal of Civil Engineering and Planning (JCEP) Vol. 7 No. 1 (2026): JCEP
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v7i1.12467

Abstract

Flooding caused by the overflow of the Padolo and Melayu Rivers in Bima City highlights the need for effective urban flood management. This study aims to analyze flood characteristics, assess flood hazard and risk levels, and evaluate flood control measures in Rasanae Barat District. The analysis employed the Log Pearson Type III (LP III) distribution, the SCS–Snyder Synthetic Unit Hydrograph, and HEC-RAS hydraulic modeling. The results show that the 25-year return period design flood discharge reached 548.04 m³/s for the Padolo River and 174.86 m³/s for the Melayu River, producing an inundation area of 2.224 km² across six urban villages. The highest flood hazard was identified in Dara, Paruga, and Tanjung Villages. Hydraulic simulations indicate that river normalization and levee construction effectively reduce river overflow and flood inundation, demonstrating their potential as effective flood control measures for Bima City.
Geometric Evaluation of Roads with UAV Technology Processed Through Orthophoto-Based Software on Jalan Soekarno Hatta Km 10 – Km 15 East Kalimantan Dhinar Yoga Hanggung Legowo; Dhiana Dwi Widiawati; Angga Ridwan Sayid Mahendra
Journal of Civil Engineering and Planning (JCEP) Vol. 7 No. 1 (2026): JCEP
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v7i1.12469

Abstract

This study evaluates the geometric conditions of the Soekarno-Hatta Poros Road KM 10–KM 15, East Kalimantan, utilizing Unmanned Aerial Vehicle (UAV) technology and Geodetic GPS as Ground Control Points (GCPs). Aerial photographic data were processed within Agisoft Metashape and subsequently analyzed based on the 2021 Bina Marga Road Geometric Design Guidelines. The processing of 1,732 images yielded high-quality orthophotos with a Ground Sample Distance (GSD) value of 3.56 cm/pixel. The model accuracy test produced a Circular Error 90% (CE90) of 0.0090 m and a Linear Error 90% (LE90) of 0.0101 m, thereby fulfilling the specifications for Class 1 Base Maps at a 1:1,000 Scale based on the Geospatial Information Agency (BIG) Regulation No. 6 of 2018. The horizontal alignment evaluation based on the 2021 Bina Marga regulation indicates that out of 34 Spiral-Circle-Spiral (S-C-S) type curves, 28 curves are declared as Not Meeting Requirements (TMS) due to significant transition curve overlap. Similarly, regarding the vertical alignment, a critical unsafe point was identified from STA 2+618 to STA 2+669 because the crest vertical curve is excessively short (L = 51.13 m, K = 9.70). These geometric non-conformities generate blind spots that restrict the stopping sight distance (SSD) within a speed variation of 20–70 km/h. It is recommended to perform phased reconstruction consisting of extending the straight tangent lengths, modifying the critical vertical curve dimensions, and adding road safety facilities.
Impacts of Land Cover Change on Direct Runoff in South Banjarbaru, Banjarbaru, South Borneo Ekawati Laily Ramadhani; Irwandy Muzaidi; Elia Anggarini; Muhammad Fitriansyah
Journal of Civil Engineering and Planning (JCEP) Vol. 7 No. 1 (2026): JCEP
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v7i1.12470

Abstract

Land cover change is a major factor contributing to the increase in direct runoff in urban areas. This study aims to analyze the effect of land cover change on direct runoff in North Banjarbaru District using the runoff coefficient approach. Land cover data were obtained through the interpretation of satellite imagery from 2017 and 2024, while direct runoff was estimated using the Rational Method with a design rainfall intensity of 9.72 mm/day. The results indicate a significant increase in built-up areas of 573.12 hectares and a decrease in vegetated areas of 279.58 hectares, resulting in an increase in the runoff coefficient from 0.39 to 0.55. Consequently, the estimated direct runoff increased from 0.03 m³/s in 2017 to 0.05 m³/s in 2024, representing an increase of 39.65%. These findings demonstrate that land cover change in North Banjarbaru District has significantly contributed to the increase in direct runoff, highlighting the importance of land-use management and the provision of green open spaces to mitigate flood and urban inundation risks.

Page 23 of 23 | Total Record : 228

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