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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. 5 No. 2 (2024)" : 15 Documents clear
Spatial Temporal Analysis of Extreme Rainfall Using Satellite Rainfall in the Barito Watershed Bees, Azarya; Sri Santi L M F Seran; Krisantos Ria Bela
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 2 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i2.8859

Abstract

The Barito watershed, as one of the largest watersheds on the island of Kalimantan, has an upstream area that is close to the equator, while the downstream area is far from the equator. This makes it interesting to see climate variability, especially rainfall that occurs in the Barito watershed. The extreme rainfall indices R20mm and R50mm are used to see the spatial variability of rainfall events, while R1X and RX5 are used to see the temporal variability of rainfall that occurs in the Barito watershed. This research shows that the frequency of rainfall events from meteorological stations, PERSIANN satellites and GPM satellites occurs most frequently in the Upper Watershed area. However, rainfall trends have not shown significant results in the last 21 years between the upstream, middle and downstream watershed areas. This is influenced by the sloping and flat conditions of the watershed, resulting in rainfall intensity tending to occur evenly throughout the watershed. The results of the IDF analysis show that there are similarities between the rainfall intensity measured at the meteorological station and the PERSIANN satellite, which gives varying intensity values ​​over a short duration of less than 50 minutes.
Financial Feasibility Analysis By Utilizing Float Time On Profitability In High-Rise Building Construction Projects Mahardini, Hirdayanti Andina Raissha; Putra, I Nyoman Dita Pahang
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 2 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i2.9296

Abstract

Construction projects face time risks, such as delays causing cost overruns, and cost risks, including cash flow bottlenecks hindering funding. Effective cash flow management is critical to ensure project profitability and success, measured through both physical and financial aspects. This study compares the optimal profits of projects without a down payment and with a 20% down payment, under float utilization rates of 0%, 25%, 50%, 75%, and 100%. Using Microsoft Project 2021 and the Precedence Diagram Method (PDM), critical path and float durations were analyzed to assess financial feasibility with Net Present Value (NPV), Benefit-Cost Ratio (BCR), and Return on Investment (ROI). Results show the most optimal cash flow without a down payment occurs at 50% float utilization, yielding an NPV of IDR 2,121,722,719, a BCR of 1.0698, and an ROI of 6.98%. For a 20% down payment, optimal results occur at 25% float utilization, with an NPV of IDR 1,998,159,242, a BCR of 1.0568, and an ROI of 5.68%. These findings emphasize the importance of strategic cash flow planning to optimize financial performance in construction projects.
Development Planning Of Office Rental Building 5 Floors In Semarang City Dika Dwirahmanda; Talitha Zhafira; Yuni Winarsih; Ngudi Hari Crista
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 2 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i2.9300

Abstract

Since the COVID-19 pandemic in March 2020, the economy of Semarang has grown. The demand for office space has increased due to business expansion, resulting in high land prices due to government restrictions on development. Renting office space has become an effective solution by utilizing space vertically and providing adequate facilities. In the construction of tall buildings, mature structural planning is necessary to ensure stability and compliance with the latest SNI standards. Structural analysis follows the requirements of SNI (2847-2019) for structural concrete and SNI (1726-2019) for earthquake resistance planning. The research method involves primary data such as building technical drawings, soil data, and earthquake data, which are then analyzed using ETABS V.18 software. The analysis results show a maximum story displacement of 68.838 mm in the X direction and 83.941 mm in the Y direction, with a permissible structural displacement of 90 mm. The maximum story drift ratio in the X and Y directions is 0.009 mm and 0.011 mm, respectively, with a permissible structural drift ratio of 0.0909 mm. The largest torsion irregularity in the X and Y directions is 1.0813 and 1.1781, respectively, which are both below the permissible torsion irregularity value of 1.4. It can be concluded that the building is categorized as safe as it does not exceed the limits of displacement and torsion.
Implementation of BIM Using the Tekla Application in the Permata River View Housing Development Project Ananda Mixola Tampubolon; Sari, Yusra Aulia
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 2 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i2.9379

Abstract

With increasing development in the construction sector, construction implementers are required to be faster and more efficient in completing project activities. The Permata River View housing development does not use BIM in its implementation. This research aims to carry out modeling with BIM software in 3D form and Quantity take-off. In this research, the Tekla Structures application will be used in the Permata River View housing complex. The modeling will start from the foundation, sloof, beams and columns along with the reinforcement. In this modeling, the material standards and concrete compressive strength are adjusted to SNI, the distribution of reinforcement in the Permata River View housing complex does not comply with the SRPKM and SRPMM stated in the SNI 2847:2019 regulations. However, the distribution of reinforcement is still in accordance with SNI. In this modeling we also get a comparison from Tekla Structures to RAB of 94.25% for concrete and 115.1% for reinforcement. The application of BIM using the Tekla Structures Application produces more accurate calculations and also makes work easier so it is faster, saves human resources and also and can be accounted for with objects that have been modeled in Tekla Structures
Bottom Structure Repair and FRP Carbon Installation to Increase The Capacity and Performance Of Jetty (Case Study: Jetty Structure Repair – Pax Ocean, Batam) Donny Arahman Racasiwi; Rifa'i, Andri Irfan
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 2 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i2.9618

Abstract

This study focuses on the repair of substructure and the installation of carbon FRP to enhance the capacity and performance of a pier, with a case study at Pax Ocean Batam. A pier, which is infrastructure extending into the sea and often exposed to chloride-containing seawater, is prone to concrete corrosion that can shorten the structure’s lifespan. To ensure the safety and operational continuity of the pier, structural evaluation through field inspections, structural testing, analytical modeling, and repair recommendations is necessary. The study employs a quantitative research method, using primary data obtained from field surveys and secondary data from related documents. Non-Destructive Testing (NDT) using Ultrasonic Pulse Velocity (UPV) was conducted to assess the quality of the concrete and the extent of cracking. The findings indicate that the concrete quality is generally in the good to moderate range, though some areas require repair. Repairs were focused on areas with damage, such as delaminated concrete and cracking. To improve the structural capacity, reinforcement with Carbon Fiber Reinforced Polymer (CFRP) was applied. The repair recommendations include strengthening the damaged slabs, beams, and columns to ensure the safety and optimal performance of the pier.
The Effect of Urbanization on the Effectiveness of Drainage Systems and Flood Risk in Batam City Firman Dede Hamdany; Saputra, Ade Jaya
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 2 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i2.9619

Abstract

Rapid urbanization in Batam City has transformed its landscape, reducing water absorption areas due to the conversion of green spaces into residential and commercial zones. This has increased surface runoff, contributing to a higher risk of flooding. This study employs a quantitative method with a survey approach and descriptive quantitative analysis of land-use and drainage system data. Spatial analysis was conducted to identify land-use changes and their impact on drainage networks. Batam's rapid economic development has brought positive benefits but also significant negative environmental impacts, as construction activities often disregard land-carrying capacity. Flooding is closely linked to urban expansion, population growth, and land demand for residential and economic purposes, which increases by 0.9% annually. The study reveals that surface water volume rises yearly due to diminished groundwater absorption capacity. To address this issue, it is recommended that the Batam City government establish stricter regulations on land use to mitigate future flood risks.
Analysis of Foundation Testing Methods on The Aria Apartemen Batam Construction Project Rizqi Azmi Arif; Pamadi, Mulia
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 2 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i2.9620

Abstract

The Aria Apartment project is the construction of a modern apartment complex that requires a strong and safe pile foundation. To ensure the quality and strength of the piles, a PDA Test (Pile Driving Analyzer Test) is carried out. PDA Test is a non-destructive method used to measure the performance and integrity of piles by utilizing vibration waves produced during driving. In this project, the PDA Test was carried out to test the pile bearing capacity against dynamic loads, check the structural integrity of the pile, and ensure that the pile installation complies with the design specifications. This test provides data regarding ultimate compressive strength, energy transfer efficiency, and the possibility of defects or damage to the pile.The PDA Test results show that the piles used in the "The Aria Apartment" project have adequate strength and integrity to support the planned building structure. Thus, the PDA Test is an important part of ensuring the quality and safety of the foundation on this project, as well as providing additional confidence for stakeholders regarding the reliability of the construction.
The Use of Ultrasonic Pulse Velocity (UPV) Method in Evaluating Structural Damage of Mooring Dolphin Following a Ship Incident (Case Study: Repair of Mooring Dolphin – Pertamina, Tg. Uban) Muhammad Andika Rivaldo; Indrastuti
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 2 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i2.9621

Abstract

Mooring Dolphin is an important port infrastructure that often receives high dynamic loads and is at risk of damage due to ship collisions, as occurred in Tanjung Uban, where the Mooring Dolphin owned by PT Pertamina was damaged after a collision with a vessel from PT Soechi Lines. This study uses the Ultrasonic Pulse Velocity (UPV) method as part of a Non-Destructive Test (NDT) to evaluate the level of structural damage. UPV works by measuring the speed of ultrasonic waves through concrete to identify cracks, voids, or weak zones. Testing was conducted on the upper and lower structures of the Mooring Dolphin, with results showing cracks ranging in depth from 2 to 15 cm and widths of 0.2 to 1.5 mm, particularly in the areas directly affected. Most of the structure showed wave speeds above the safe threshold, indicating that the integrity of the concrete is relatively good; however, zones with low wave speeds were found that require repair. This study demonstrates that the UPV method is effective in providing detailed information about the location and extent of damage to support repair processes. Technical recommendations include epoxy injection in cracks and additional reinforcement in critical areas to enhance the structure's resistance to dynamic loads. The findings of this study are expected to serve as a reference for the evaluation and repair of port structures that experience similar damage.
Characteristics of Concrete with the Addition of Fabric Waste as Fibers on the Compressive and Flexural Strength of Concrete Latifha Sari, Nadjwa; Mustakim; Kasmaida
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 2 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i2.9805

Abstract

Mineral waste, particularly from synthetic fabrics, is challenging to manage due to its non-decomposable nature and inability to compost. This waste accumulates, posing environmental risks. As a solution, utilizing fabric waste in concrete mixtures has been proposed. This study aims to evaluate the compressive strength and stiffness of concrete with added fabric waste and identify the optimal percentage of waste as fiber reinforcement. The research employed experimental methods following the SNI-03-2834-2000 standard at the Structural Materials Laboratory, Muhammadiyah University of Parepare, conducted from February to March 2024. Results showed that on the 28th day, adding 5% table iron increased concrete compressive strength to 9.91 MPa, while increasing it to 10% reduced strength to 0.66 MPa. Adding 10% cotton fabric improved compressive strength by 2.23 MPa and flexural strength by 3.822 MPa. The findings suggest that fabric waste, combined with vibration and wire reinforcement, enhances concrete performance. The optimal results were observed with 5% boron material for compressive strength and 10% cotton material for flexural strength, demonstrating the potential of textile waste as an effective concrete mixture component. This study highlights the dual benefits of waste reduction and material enhancement, contributing to environmental sustainability and advancing concrete technology.
Differences in Supply Chain Material Risk Weight Using the Severity Index Method and Monte Carlo Simulation Debataraja, Lisherly Reginancy; Purba, Marsedes; Amrizal; Budianto, Gallio
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 2 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i2.9951

Abstract

Material delays are a significant challenge in completing construction projects, closely tied to the understanding of material supply flow. As a result, a risk weight analysis is essential, considering both internal factors (such as supply, control, processes, and demand) and external factors (such as disasters). This study began with a literature review to compile a list of potential risks, followed by data collection through a questionnaire administered to 50 experts in construction material procurement. The risk analysis was then conducted using both the Severity Index and Monte Carlo methods. The results showed average risk differences between the two methods: supply side (16.40% vs. 16.76%), control risk (16.28% vs. 11.53%), process risk (11% vs. 11.20%), demand risk (16.10% vs. 13.87%), and disaster risk (13.78% vs. 13.41%). The highest risk identified was in the supply side, specifically the extended waiting times due to staggered material deliveries, while the lowest risk was related to the process of ordering materials, where issues arise from the need for reordering based on inaccurate quantity information.

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