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Mohammad Imamuddin
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International Journal of Civil Engineering and Infrastructure (IJCEI)
Published by Universitas Muhammadiyah Jakarta
ISSN : -     EISSN : 27762580     DOI : -
Core Subject : Science, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Engineering Environmental Science Transportation
The objective of the IJCEI is to fully document advances in International research in the fields of construction and infrastructure. IJCEI welcomes submissions in the following areas: structural engineering, geotechnical engineering, transportation engineering, hydraulic engineering, management construction, management Infrastructure, and environmental engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 69 Documents
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DRAINAGE ANALYSIS OF JAKARTA BANDUNG HIGH SPEED TRAIN STATION AT HALIM STATION USING HEC-RASS Imamuddin, Mohammad; Mahmuda, Diva Quinta
International Journal of Civil Engineering and Infrastructure Vol 4, No 2 (2024): IJCEI Volume 4 No. 2
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.4.2.13-22

Abstract

Halim Station is the main station in the Jakarta-Bandung High-Speed Train project, playing a crucial role in facilitating travel between the two metropolitan cities. The Halim Station building for the Jakarta-Bandung High-Speed Train is located on the Jakarta - Cikampek Toll Road at KM 0+800, East Jakarta City. Halim Station is the first station for departure and the last stop for journeys using the Jakarta-Bandung High-Speed Train. The area of the Halim Station building is 25,700 m2 with a roof area of 31,100 m2. Each day, the water source to meet operational needs at Halim Station comes from the Regional Water Company (PDAM) with a maximum daily clean water usage limit of 210 m3. The utilization of rainwater in the context of high-speed train stations has significant potential to meet operational sanitation and water needs around the station. With proper rainwater collection, storage, and management systems, rainwater can be processed into a safe and quality water source for various purposes around the station. If there is excess rainwater not needed for the building's operational requirements, the calculation will also include the need for infiltration wells and drainage channels. The utilization of rainwater as an alternative water source for operational needs is expected to completely replace the water source of Halim Station, which previously came from PDAM. Therefore, this could contribute to efforts to reduce environmental impacts and conserve water resources in Indonesia. 
APPLICATION OF GENETIC ALGORITHM TO OPTIMIZE WATER DISCHARGE AT BATU TEGI DAM Aprizal, Aprizal; Rahmat, Rahmat
International Journal of Civil Engineering and Infrastructure Vol. 5 No. 1 (2025): IJCEI Volume 5 No. 1
Publisher : University Muhammadiyah Jakarta

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Abstract

Water is the largest natural resource in Indonesia and it is easy to use in its utilization. Water that can be utilized directly from the river or by collecting rainwater in a tando pond orreservoir and then flowing it to turn a turbine. To utilize the available water resources, thegovernment always builds and maintains its facilities and infrastructure, including bybuilding dams. Unpredictable rain intensity, especially in the Lampung area, can cause a lackof optimal water release. If the release of water is not optimal, then the need for water willnot be obtained optimally, but the presence of water in the reservoir cannot always be fulfilledwhen it is needed. The Batu Tegi Dam is an important dam for the needs of the surroundingwatershed and Tanggamus. When building a system, optimization is an importantcomponent. System design can reduce processing time, among others through optimization.Mathematical functions are usually used to describe optimization problems. The process ofmaximizing or minimizing the objective function while taking into account the existingconstraints is known as optimization. This calculation uses the Microsoft Excel 2021application. By analyzing the optimal release discharge, as well as displaying the optimaldischarge value in 2022 using the Genetic Algorithm method. This method is the expertise offlexibility and accuracy when maximizing complex systems. The results of this study obtainoptimal discharge before and after using the Genetic Algorithm (GA) method with a timeseries of 2018 to 2022, making a discharge discharge curve in 2022. Keywords: Genetic Algorithm, Dam, Release Optimization
UTILIZATION OF ARTIFICIAL AQUIFERS BY ADDING ZEOLITE AND CARBON TO IMPROVE WATER QUALITY Imamuddin, Mohammad; budiman, budiman; Marsiati, Himmi; Dewi, Firda Rachma; Mahdiani, Nila Sekar
International Journal of Civil Engineering and Infrastructure Vol. 5 No. 1 (2025): IJCEI Volume 5 No. 1
Publisher : University Muhammadiyah Jakarta

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Abstract

Water is the most important component of life. The function of water for living beings cannot be replaced by any other substance. One of the main issues currently faced regarding waterresources is the declining quality of water for both domestic and non-domestic purposes.According to the Regulation of the Minister of Health of the Republic of Indonesia No.492/Menkes/PER/IV/2010 concerning drinking water requirements, it states that safe andhealthy drinking water for consumption must meet requirements that include physical,chemical, and bacteriological criteria. Strict requirements are imposed on drinking waterbecause they are directly related to the biological processes of the body that determine humanquality of life. The consumption rate of drinking water is very high in tropical regions. This isdue to the high humidity, and people in tropical areas require a large amount of drinkingwater to quench their thirst. Therefore, high-quality drinking water is necessary to maintainhealth. The dangers or health risks resulting from the decline in the physical quality of watercan have negative impacts on health. The utilization of groundwater remains a mainstay forcommunities in meeting their domestic and non-domestic water needs. The increasingpopulation has led to a decline in the quality of clean water due to human activities that causeenvironmental pollution. Sources of groundwater pollution include industrial activities, wastedisposal sites, mining areas, residential areas, salt industries, agricultural activities, andlivestock farming.
STRUCTURAL ANALYSIS OF LINAC AND BRACHYTHERAPY BUNKER DESIGN (CASE STUDY: RADEN MATTAHER REGIONAL GENERAL HOSPITAL, JAMBI) Syahroni, Alif Ihsan; Naibaho, Pio Ranap Tua; Sembiring, Kristina
International Journal of Civil Engineering and Infrastructure Vol. 5 No. 1 (2025): IJCEI Volume 5 No. 1
Publisher : University Muhammadiyah Jakarta

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Abstract

The LINAC and Brachytherapy bunkers constructed at RSUD Raden Mattaher Jambi are part of a strategic healthcare development initiative by the Jambi Provincial Government. These bunkerstructures possess specialized characteristics to ensure maximum protection against radiationexposure, utilizing thick reinforced concrete and, in some areas, lead-lined layers. RadiationShielding Concrete (RSC), also known as heavyweight concrete, is used for this purpose, typicallyhaving a density greater than 2600 kg/m³. Designed to attenuate gamma rays, X-rays, andneutrons, the effectiveness of RSC depends significantly on its density. Studies indicate thatconcrete with densities between 3012–3820 kg/m³ achieves linear attenuation coefficients (μ)ranging from 0.224 to 0.265 cm⁻¹, demonstrating high shielding capability. During construction,deviations occurred between the Detail Engineering Design (DED) and the actual fieldimplementation (As-Built Drawing or ABD) due to site conditions and safety considerations. Thisstudy aims to analyze the structural differences between DED and ABD. Structural analysis wasconducted using ETABS software to obtain internal forces in the structural elements, followed bymanual verification. Results show that the columns are capable of resisting axial loads andmoments, with reinforcement ratios within the required 1%–6% of gross concrete area (Ag).Variations in internal forces were identified between DED and ABD. In the floor slab analysis, theDED design failed to meet flexural strength requirements (Mu > ϕMn), while the ABD designachieved sufficient nominal capacity (Mu < ϕMn), enhancing the structure’s performance underservice loads. Keywords: Bunker, Structural Analysis, LINAC, Brachytherapy, Radiation Shielding Concrete
DOMESTIC WASTEWATER PLANNING STRATEGY WITH THE COMMUNAL SEPTIC TANK METHOD (TANJUNG PRIOK, NORTH JAKARTA) Romy Setiawan, Irvan; Sembiring, Kristiana; Bangun, Sempurna; Naibaho, Pio Ranap Tua
International Journal of Civil Engineering and Infrastructure Vol. 5 No. 1 (2025): IJCEI Volume 5 No. 1
Publisher : University Muhammadiyah Jakarta

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Abstract

A Communal Septic Tank is a domestic waste treatment system commonly used in densely populated areas, both in urban and rural areas. This system functions to process waste from households and commercial buildings to make it safer for the environment and human health. This research was conducted in the densely populated Sunter Agung settlement, Tanjung Priok, North Jakarta, with an area of 4.62 km², as a trial of domestic waste treatment to reduce environmental pollution and its impact on health. The process begins with community outreach, area observation, and preparation of technical documents such as working drawings and Budget Plans (RAB). Planning follows the provisions of SNI 2398:2022. The results of the data study showed that there were 85 families and 413 people. So that the need for a septic tank with a volume size of 16,000 liters / 16 cubic meters with a total of 7 tank units, each tank is equipped with 8 water absorption fields. The total budget that will be needed is IDR 991,000,000. The community will be given training in using the tank. The benefits of using communal septic tanks include improving groundwater quality, soil fertility, and preventing diseases, such as stunting. Keywords: Communal septic tanks, Domestic waste treatment, Environmental sanitation, Densely populated settlements.
THRESHOLD-BASED ANOMALY DETECTION IN DRY BULK CARGO VOLUME USING SIMULATED LSTM AUTOENCODER RECONSTRUCTION ERROR Soerjatmodjo, Irnanda Satya; Supriyatno, Dadang; Abdat, Zidan Fadzil; Trijeti
International Journal of Civil Engineering and Infrastructure Vol. 5 No. 1 (2025): IJCEI Volume 5 No. 1
Publisher : University Muhammadiyah Jakarta

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Abstract

This study addresses the challenge of detecting anomalies in annual dry bulk cargo volumes at a major Indonesian port by simulating the reconstruction error typically produced by an LSTM Autoencoder model. Instead of applying deep learning directly, the research utilizes a statistical approximation involving a three-year centered moving average to emulate the expected cargo pattern. The absolute deviation between actual and smoothed values is treated as simulated reconstruction error. A statistical threshold is then calculated based on the mean and standard deviation of these errors to distinguish normal years from anomalous ones. Results indicate that only the year 2023 exceeded the anomaly threshold, suggesting significant irregularity in cargo flow during that period. The proposed method offers a practical and interpretable framework for anomaly detection, particularly in data environments lacking access to machine learning infrastructure. This approach enables port operators and planners to monitor unusual volume fluctuations efficiently and provides a foundation for further integration of data-driven risk management systems. Keywords: Dry Bulk Cargo, Anomaly Detection, Reconstruction Error, LSTM Autoencoder, Moving Average, Threshold Classification, Port Operations.
INTEGRATION OF TOPOGRAPHIC DATA INTO 3D CIVIL SOFTWARE AS ROAD DESIGN SUPPORT Ali, Akbar; Mustakim, Mustakim; Jabir, Muh.
International Journal of Civil Engineering and Infrastructure Vol. 5 No. 1 (2025): IJCEI Volume 5 No. 1
Publisher : University Muhammadiyah Jakarta

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Abstract

Accurate topographic mapping is a critical component in strategic planning and architectural design of road infrastructure, particularly in the assessment of optimal routing, evaluation of slope stability, and quantification of excavation volumes and landfill requirements. Advances in mapping technologies, such as geographic information systems (GIS), have significantly improved the resolution and precision of topographic data when compared to traditional methodologies. Utilizing Civil 3D software facilitates a faster and more effective approach to contour data analysis and visualization, enabling superior planning and informed decisionmaking. In addition, Civil 3D offers a number of functions, including assessment, volume cut and fill calculations, and drainage analysis, which have proven invaluable in the design of roads and related infrastructure. The researchers employed a feasibility methodology in their study, using Google Earth software as a tool to acquire satellite imagery, while Global Mapper was used for the extraction of coordinate data from each designated point; the processing of the resulting coordinates was performed in Autodesk Civil 3D for the design of a road spanning a total length of 970.70 kilometers. The purpose of this study was to formulate a more systematic and efficient methodology for the integration of topographic data to improve the accuracy and efficacy of 3D model-based road design. The proposed methodology includes analysis of state-of-the-art topographic mapping techniques, evaluation of data compatibility with 3D civil engineering software, and development of strategies for optimization of data formats and processing. keywords : Topography, Civil 3D, Road Planning, Contour Visualization, Gowa Regency
THE EFFECT OF BOREHOLE COLLAPSE ON THE STABILITY OF GROUP PILE FOUNDATIONS Farahdiba, Farahdiba; Al Hanif, Basit; Setiawan, Andika; Nusyura Al Islami, Aulia
International Journal of Civil Engineering and Infrastructure Vol. 5 No. 1 (2025): IJCEI Volume 5 No. 1
Publisher : University Muhammadiyah Jakarta

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Abstract

The stability and load-bearing performance of pile group foundations are critical in infrastructure development, particularly in deep foundations such as bored piles. This study investigates the impact of borehole wall collapse on the load-bearing capacity and overall performance of a pile group foundation in North Jakarta, Indonesia. The borehole collapse occurred between depths of 25.2 m and 31.8 m, resulting in shortened pile lengths and reduced axial capacity. Subsurface investigations identified poorly graded sand (SP) within the collapsed zone, which contributed to borehole instability. Finite Element Method (FEM) analysis was performed to compare three scenarios: the original 48-meter design, the existing 22-meter condition post-collapse, and a redesigned pile group with additional piles. The 22meter design failed to meet the serviceability safety factor of 2.5, and several piles exceeded allowable limits. In contrast, the redesigned group fulfilled both bearing and displacement criteria, demonstrating improved structural performance. The findings emphasize the importance of design adaptation in response to construction anomalies to ensure the longterm safety and efficiency of deep foundations. keywords : Borehole Collapse, Pile Group Foundations, Bearing Capacity, FEM Analysis
FLOOD MODELING AND ECONOMIC IMPACT ON FLOOD-PRONE RESIDENTIAL AREAS IN THE CILOSEH RIVER BASIN, TASIKMALAYA Prakoso, Wahyu Gendam; Irawan, Pengki; Setiawan, Junaedi; Rahmawati, Siti
International Journal of Civil Engineering and Infrastructure Vol. 5 No. 1 (2025): IJCEI Volume 5 No. 1
Publisher : University Muhammadiyah Jakarta

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Abstract

The Ciloseh River in Tasikmalaya City, West Java, spanning approximately 26.6 km with a 7,803-hectare catchment area, faces increasing flood vulnerability driven by rapid urban expansion and land-use conversion along its banks. This study systematically characterizes the river's floodplain morphology and quantifies potential economic losses from flooding across various return periods (2- to 50-year events). A comprehensive morphometric analysis of the watershed was conducted using Geographic Information Systems (GIS) to derive critical hydrological parameters. Flood discharge estimations were performed using the Synthetic Unit Hydrograph Gamma-I method. Hydrological data, augmented by field surveys, informed the development of a robust one-dimensional hydraulic model utilizing HEC-RAS software. The generated hydraulic model outputs were then integrated with high-resolution basemaps to produce detailed flood inundation maps. Economic loss assessments were rigorously performed following the ECLAC methodology, quantifying direct damages to infrastructure and residential properties. The analysis reveals significant flood inundation across all simulated return periods, with the 50-year event (Q50 = 473 m³/s) leading to a substantial inundated area of 46,151 m², affecting 244 residential units, and incurring estimated economic losses of IDR 3,188,421,996 (approximately USD 200,000). These findings provide essential data for developing sustainable flood mitigation strategies, informing urban planning, and guiding resilient infrastructure design in rapidly developing riverine environments. Keywords: Flood risk assessment, Hydraulic modeling, HEC-RAS, GIS, Economic impact, Urban hydrology, River engineering

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