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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 15 Documents
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Search results for , issue "Vol. 6 No. 1 (2025)" : 15 Documents clear
The Quality Testing of Rangkui River Water in Pangkalarang Area, Pangkalpinang City Wiati, Irene Tresna; Erika Fitri Wardani
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 1 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i1.9860

Abstract

The availability of clean water is very important for improving public health. Clean water sources can come from the ground, rivers, dug wells, and so on. The Pangkalarang community also really needs clean water. Currently, they only use dug well water that does not meet health requirements. The quality of clean water in this area is affected by seawater intrusion that pollutes groundwater. Pangkalarang has a surface water source in the form of Rangkui River water whose quality must be known if it is to be used as clean water. So researchers consider it necessary to conduct laboratory tests on river water samples. The parameters tested were pH (5.83) so that the pH of the water is categorized as an acidic liquid because the pH value is less than 7), COD (the highest value is 39.8 mg/L while the standard value is 10 mg/L), BOD (the highest value is 4.52 mg/L while the standard value is 2 mg/L), heavy metal content Zn (value <0.0377 mg/L and while the standard value is 0.01 mg/L), and Eschericia Coli bacteria content (the highest value is 350 MPN/100 ml while the standard value is 0 MPN/100 ml) according to PP Number 22 of 2021 concerning the Implementation of Environmental Protection and Management. Based on laboratory tests, Rangkui River water does not meet health requirements. Therefore, researchers do not recommend the river water as a source of clean water.
Sand Slope Stability Analysis Using the Bishop Simplified Hyrcan 2.0 Method with CaCO3 Reinforcement Julianto, Baskoro Tri; Ginoga, Sitti Filzha Fitrya
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 1 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i1.9979

Abstract

Slopes are open land surfaces that form an angle and therefore their stability and safety factors need to be considered. This research aims to analyze the stability of sand slopes using the Bishop Simplified method in Hyrcan 2.0 software with the addition of calcite (CaCO3) as a reinforcement method. Sand slopes have low stability due to low cohesion and lack of interaction between particles, which is exacerbated by the influence of groundwater. The addition of CaCO3 in various concentrations (0%, 10%, and 20%) was applied to improve the shear strength parameters of the sand slope. The simulation model includes six material variations with slope geometric configurations that reflect field conditions. The simulation results showed that the slope with 20% CaCO3 concentration had the highest factor of safety (FOS) of 1.05, compared to 0.73 in the model without reinforcement. Vertically shifting the landslide center point affects the length of the slide plane and the FOS value, where increasing the CaCO3 concentration contributes significantly to improving the slope stability. The relationship between the vertical location of the landslide center and FOS was analyzed using linear regression, which showed a negative relationship between the two. This study concludes that the addition of CaCO3 effectively improves the stability of sand slopes, with FOS approaching safe values although the FOS value in the best model is still categorized as unsafe.
Pekanbaru Town Square Development With Concept Mix Use Building (Shopping Mall, Hotel, Condotel, Convention, Sport Centre) Kurnain, Ahmad; Bambang Supeno; Muhammad Yazid; Rahmat Tisnawan; Rizki Ramadhan Husaini
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 1 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i1.10106

Abstract

This study assesses the financial feasibility of a privately financed infrastructure project under a Build-Operate-Transfer (BOT) scheme with a total investment of USD 76 million. The investment is distributed over a three-year construction phase, followed by a 30- to 60-year operation period generating annual net profits of USD 8.64 million. Key financial metrics including Net Present Value (NPV) and Internal Rate of Return (IRR) are utilized to evaluate the project. The results indicate a negative NPV of approximately USD -14.85 million for a 30-year operation, suggesting the project is not viable under a conservative time horizon. However, extending the operation to 60 years yields a positive NPV of USD +23.8 million and an estimated IRR of 11.7%, surpassing the assumed discount rate of 10%. These findings highlight the importance of operational duration in BOT projects and suggest that long-term operation is essential to achieve financial sustainability. Recommendations include extending the concession period and optimizing cost structures to enhance investment attractiveness.
Mechanical Test of Plastic Waste Paving Blocks with a Mixture of Candlenut Shells given Compressive Strength Values Muh. Darmawan Swandi; Mustakim; Muhammad Jabir Muhammadiah
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 1 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i1.10196

Abstract

Candlenut shells are an organic waste that can be used as a mixed aggregate in making lightweight concrete to reduce environmental pollution. This research aims to analyze the compressive strength performance and the effect of changes in the water absorption capacity of paving blocks made from plastic waste mixed with candlenut shells as a substitute for fine aggregate. Using experimental methods according to the SNI-03-2834-2000 standard, this research was carried out at the Structure and Materials Laboratory of the Muhammadiyah University of Parepare with 12 paving block samples. The results showed that after 3 days, the addition of candlenut shells of 0%, 10%, 15%, and 25% increased the compressive strength of paving blocks of 4,450 MPa, 4,633 MPa, 4,917 MPa, and 5,000 MPa respectively, while the absorption capacity water increases to 1.1%, 1.5%, 1.6%, and 2.0% at the age of treatment The same. The combination of candlenut shell waste with plastic waste has been proven to increase the compressive strength performance of paving blocks, with optimal results obtained by adding 25% candlenut shells. This shows that candlenut shell waste has the potential to be an effective component in paving block mixtures made from plastic waste, while providing dual benefits in reducing waste and improving material quality, thereby contributing to environmental sustainability and advances in concrete technology.
Compressive Strength Analysis and Water Absorption of Paving Blocks Made from Polypropylene Plastic Seeds Fauzi, Muhammad Arman Fauzi; Mustakim; Andi Bustam Didi
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 1 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i1.10200

Abstract

The increasing interest of consumers in paving blocks because the construction of paving block pavements is environmentally friendly where paving blocks are very good at helping to conserve groundwater, faster implementation, easy installation and maintenance, have a variety of shapes that add aesthetic value, and the price is easily affordable. The purpose of this study was to determine the effect of adding Polypropylene plastic (PP) pellets on the compressive strength of paving blocks and to determine the effect of adding Polypropylene plastic (PP) pellets on the water absorption of paving blocks. This research method uses an experimental method carried out in the laboratory of structures and materials, Muhammadiyah University of Parepare from July to September 2024. The results of this study indicate that the sutittusi of polypropylene plastic pellets affects the compressive strength of paving blocks. The compressive strength values of paving blocks at 28 days of curing age are 35.583 Mpa, 34.500 Mpa, 33.833 Mpa, and 33.417 Mpa for each variation of 0%, 2%, 5%, and 7%. So by looking at the results obtained above, the higher the percentage of polypropylene plastic pellet substitution, the lower the compressive strength value. While the water absorption value of paving blocks shows that the substitution of polypropylene plastic pellets affects the water absorption of paving blocks. Variations of 0%, 2%, 5%, and 7% are respectively 4.4%, 4.6%, 4.8%, and 5.2%. So by looking at the results obtained above, the higher the percentage of polypropylene plastic pellet substitution, the higher the water absorption.
Literature Review: Factors Affecting Labor Productivity in the Construction Sector Pradhana, Rakhan; Adden Trianto; Muhammad Hamzah Fansuri
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 1 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i1.10288

Abstract

Labor productivity in the construction industry plays a crucial role in project success, particularly in terms of efficiency, cost, and completion time. However, the sector faces persistent challenges in improving productivity due to various factors, such as workforce skills, project management, rapid technological changes, and strict safety regulations. This study aims to identify the dominant factors influencing construction labor productivity using a Systematic Literature Review (SLR) approach. By analyzing 100 scholarly articles from indexed international journals, data synthesis was carried out based on the frequency of factor occurrences in the literature. The findings indicate that communication between project management and workers is the most dominant factor, appearing in 82 references. This is followed by work experience (81 references) and supervisor experience (77 references), highlighting how expertise and leadership at project sites significantly influence workforce efficiency. Additionally, these factors are categorized into ten main groups, with Site Operations & Management being the most influential category (11.93%), followed by Motivation (11.81%) and Construction Workforce (11.57%). Other factors, such as design changes, material quality, and weather conditions, also contribute to productivity, albeit with lower frequencies. These findings underscore the importance of effective project management, clear communication, and workforce experience in enhancing productivity at construction. Nevertheless, the results of this study may not fully apply to all types of projects due to differences in location and project conditions. Therefore, further research is needed to explore the impact of other factors, such as technology and regulations, on improving labor productivity in the construction sector.
Research Growth in the Topic of Soil Liquefaction between Indonesia and New Zealand: A Bibliometric Analysis from Scopus Database Arif, Maulana; Zulhendra, Riko
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 1 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i1.10318

Abstract

Soil liquefaction is important in geotechnical engineering, particularly in seismically active areas like Indonesia and New Zealand. With an emphasis on publications written by researchers from Indonesia and New Zealand between 2015 - 2025, This research is a bibliometric analysis that uses data from the Scopus database and the VOS viewer application to assist in interpreting the gathered bibliometric data. The author from New Zealand (Misko Cubrinovski) seems to be the most productive in researching and writing related to soil liquefaction, with 48 articles. Authors from Indonesia are relatively more evenly distributed, with 10-20 articles dominated by Sito Ismanti, Lindung Zalbuin Mase, and Teuku Faisal Fathani. In addition, compared to Indonesian institutions, New Zealand institutions are more likely to collaborate with external parties such as the United States (University of California, University of Texas, University of Washington, etc.), enabling them to obtain greater funding to encourage research productivity. The research map used Scopus RIS data showing three clusters: red (general liquefaction terms), blue (New Zealand-focused, e.g., CPT and shear waves), and green (Indonesia-focused, e.g., seismic response). Minor clusters (purple, yellow) link related topics.
Between Culture, Space, and Urban Identity: A Sustainable Cultural Approach for Revitalizing Dang Anom Park in Batam City Nursyamsu, Lathifa; Venita Christine; Suwarlan, Stivani Ayuning
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 1 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i1.10366

Abstract

This study explores the revitalization of Dang Anom Park in Batam City through a sustainable cultural approach that integrates local identity, ecological sensitivity, and inclusive urban design. Rapid infrastructure-driven development in Batam has led to the neglect of public spaces, raising concerns over the loss of urban identity and diminished community interaction. The research aims to address this gap by developing a design strategy that reconnects cultural values with spatial functionality. Employing a qualitative descriptive method, the study includes literature review, field observations, and a SWOT analysis to assess the site’s conditions and potential. The proposed design is guided by three principles: sustainable nature, interactive public space, and accessibility for the elderly and disabled. Design interventions include strategic vegetation to mitigate pollution, cultural elements to enhance identity, and inclusive facilities to support diverse community engagement. The masterplan reimagines the park as an environmentally responsive and socially vibrant public space. The findings demonstrate that culturally grounded design can restore vitality to underused spaces while reinforcing urban identity. While the study offers a valuable conceptual framework, it is limited by its qualitative scope and single-site focus. Future research should incorporate community participation, implementation trials, and broader comparative studies across similar urban contexts. This research contributes to the discourse on sustainable urban development by offering a replicable model for culturally responsive park revitalization in rapidly urbanizing cities.
Evaluation of the Impact of Changes to the Airport Road Masterplan on Traffic Performance (Case Study of Hang Nadim Airport, Batam City) Firsya Odira; Yusra Aulia Sari
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 1 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i1.10370

Abstract

Batam City experienced increased congestion on several main roads, especially in the Hang Nadim Airport area. To overcome this, the government made changes to the road master plan. After the masterplan changes, the road capacity increased from 2,944.92 pcu/hour to 7,438.2 pcu/hour. Traffic volume from the Airport-Nagoya direction was recorded at 3,111.1 pcu/hour and from the Nagoya-Nongsa direction at 2,415.2 pcu/hour. The study was only conducted in areas with frequently passed traffic volume capacity, namely the Airport-Nagoya direction and the Nagoya-Nongsa direction. The evaluation was performed using indicators of capacity, traffic volume, and road service level. These results provide an important basis for more adaptive airport transportation planning in the future.
Optimizing Nickel Mine Slope Designs: Integrating Geotechnical Data and Limit Equilibrium Methods Minmahddun, Anafi; Tugo, Laode Jonas
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 1 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i1.10383

Abstract

Slope stability in nickel laterite mines is critically influenced by the distinct geotechnical properties of limonite and saprolite weathering profiles. These materials, prevalent in tropical mining regions, exhibit significantly different responses to hydrological and mechanical stresses, necessitating detailed stability assessments for safe mine operations. This study combines field investigations, laboratory testing, and Limit Equilibrium Method (LEM) analysis to evaluate slope stability. Geotechnical parameters were determined through standardized tests and slope stability analyses examined both single-slope (40°-60° angles) and overall-slope configurations with varying bench geometries (widths 3-5m, angles 29°-60°). The analysis demonstrated: (1) Safety factors (SF) decreased 25-30% as slope angles increased from 40° to 60°, with limonite (SF=2.8-2.1) consistently outperforming saprolite (SF=2.4-1.9); (2) Bench width significantly influenced stability, with 5m widths improving SF by 15-20% compared to 3m widths; (3) Optimal stability (SF=1.85) was achieved with gentler geometries (29° slope, 40° bench, 5m width), while steeper configurations approached critical conditions (SF=1.22). The study provides critical insights for designing stable slopes in nickel laterite mines, emphasizing: (1) material-specific slope angles, (2) wider bench designs, and (3) integrated geotechnical-LEM approaches. These findings directly address operational challenges in tropical mining environments, offering practical solutions to enhance safety while maintaining productivity. The methodology establishes a replicable framework for slope stability assessment in weathered geological profiles.

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