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Mohammad Imamuddin
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Universitas Muhammadiyah Jakarta Gedung Teknik Sipil. Fakultas Teknik Universitas Muhammadiyah Jakarta. Jl. Cempaka Putih Tengah 27, Jakarta Pusat.
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INDONESIA
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 85 Documents
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MODEL FOR UTILIZING THE UNDER SPACE OF JAKARTA OUTER RING ROAD (JATIASIH – JATIMEKAR) TO INCREASE PUBLIC OPEN SPACE IN BEKASI City Hadi Sofyan; Siska Amelia; Zefri Zefri
International Journal of Civil Engineering and Infrastructure Vol. 6 No. 1 (2026): IJCEI Volume 6 No. 1
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.6.1.31-40

Abstract

of residual space under flyovers a crucial solution. This descriptive qualitative research aims to analyze existing conditions, consideration factors, and formulate an optimal model for utilizing the space beneath the JORR Jatiasih–Jatimekar Toll Road. The results show that the land is currently occupied informally by street vendors, online motorcycle taxis, and temporary waste disposal. Based on aspects of comfort, accessibility, and local wisdom, the researcher formulated an integrative model that includes MSME zoning, sports, social space, green areas, and structured parking. All-day activities are proven to revitalize the area and enhance urban aesthetics. In conclusion, this model is highly essential as an innovative reference for the government in reclaiming residual spaces into productive and organized urban social infrastructure.Keywords: Public Space, Residual Space, Flyover, Bekasi City
SEISMIC PERFORMANCE ANALYSIS OF A THREE-STORY COLD-FORMED STEEL FRAME USING ANSYS BASED ON SNI 1726:2019 Jihaan Jamilah; Pio Ranap Tua Naibaho; Hikma Dewita
International Journal of Civil Engineering and Infrastructure Vol. 6 No. 1 (2026): IJCEI Volume 6 No. 1
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.6.1.41-51

Abstract

Indonesia is located in a region with high seismic activity, making earthquake-resistant structural design an essential consideration in building construction. Cold-formed steel (CFS) has become an attractive structural material due to its lightweight characteristics, high strength-to-weight ratio, ease of fabrication, and construction efficiency. However, its relatively thin cross-section requires further evaluation of its seismic performance, particularly for multi-story buildings. This study aims to analyse the dynamic characteristics and seismic performance of a three-story cold-formed steel frame structure subjected to earthquake loading based on SNI 1726:2019 using ANSYS through the Finite Element Method (FEM). The research involved structural modelling, modal analysis, and earthquake load analysis using the Equivalent Lateral Force (ELF) method. The evaluated parameters included natural frequency, vibration period, structural deformation, interstory drift, and maximum structural stress. The analysis results show that the first-mode natural frequency is 9.9662 Hz with a fundamental vibration period of 0.1003 s. The maximum deformation obtained is 0.169 mm, while the maximum interstory drift reaches 0.0066 mm, which is significantly lower than the allowable limit of 72 mm specified in SNI 1726:2019. Furthermore, the maximum structural stress is 1.5202 MPa, considerably lower than the yield strength of G550 steel (550 MPa), indicating that the structure remains within the elastic range. These findings demonstrate that the analysed three-story cold-formed steel frame possesses adequate stiffness, satisfies the seismic performance requirements of SNI 1726:2019, and can safely withstand the applied earthquake loading. Keywords: Cold-Formed Steel; ANSYS; Finite Element Method; Seismic Performance; Earthquake Load.
ANALYSIS OF THE EFFECTS OF IRRIGATION NETWORK OPERATION AND MAINTENANCE ON THE CROP INDEX AND ECONOMIC VALUE OF RICE HARVESTS IN THE WAY KANDIS IRRIGATION AREA Alan Mei Kusuma; Any Nurkhasanah; Aprizal
International Journal of Civil Engineering and Infrastructure Vol. 6 No. 1 (2026): IJCEI Volume 6 No. 1
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.6.1.52-62

Abstract

The functionality of an irrigation network determines whether available river discharge can be converted into reliable water delivery at farm level. The Way Kandis Irrigation Area has a technical service area of 409.61 ha and is supported by adequate river discharge in most planting periods; however, sedimentation, aquatic weed growth, damaged canal lining, and structural deterioration reduce conveyance performance, particularly toward downstream blocks. This study evaluates how irrigation operation and maintenance influence the cropping index and the economic value of rice production. The analysis combines hydrological availability using the FJ Mock method, hydrometric discharge measurement, water balance assessment through the K factor, inventory of canal and structure conditions, irrigation system performance assessment based on Indonesian irrigation management criteria, AKNOP-based repair scenarios, and farm-level economic analysis supported by farmer questionnaires. Under existing conditions, the annual cultivated area is 668.00 ha/year, equivalent to a cropping index of 163%, and annual rice farming profit is Rp 14.08 billion. The irrigation system performance index is 51%, indicating that the physical infrastructure and associated management components require substantial improvement. Scenario analysis shows that 100%, 60%, and 30% AKNOP repair scenarios can increase the cropping index to 280%, 241%, and 207%, respectively, with projected annual profits of Rp 28.80 billion, Rp 21.84 billion, and Rp 16.34 billion. The 100% scenario provides an indicative incremental profit of Rp 14.72 billion/year compared with an estimated repair cost of Rp 2.94 billion. Standardization of the rice balance calculation also indicates that full repair can raise net rice availability above estimated local household demand. The findings demonstrate that maintenance of canals, sediment removal, weed control, and institutional support for water distribution are not only technical requirements but also economically productive interventions for improving regional food security. Keywords: irrigation performance, operation and maintenance, AKNOP, cropping index, water balance, rice farming profit
COMPARATIVE PERFORMANCE EVALUATION OF STEEL STRUCTURES USING KING CROSS, TUBE, AND WIDE FLANGE COLUMNS UNDER SEISMIC RESPONSE Taofik Nurmeiyanto; Budiman Budiman
International Journal of Civil Engineering and Infrastructure Vol. 6 No. 1 (2026): IJCEI Volume 6 No. 1
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.6.1.63-70

Abstract

Steel building structures must be designed to safely and efficiently resist gravity and lateral loads. One of the key factors influencing structural performance is the shape and type of column section used, as differences in geometric characteristics affect stiffness, strength capacity, and structural response to lateral loads, particularly seismic forces. This study aims to analyze the effect of using King Cross, Tube, and Wide Flange sections as columns in steel building structures on overall building performance under gravity and lateral loads. Structural modeling was carried out using ETABS software by developing three building models with identical configurations, dimensions, and loading conditions, differing only in the type of column section applied. All models were designed using a Special Moment Resisting Frame (SMRF) system. The results indicate that variations in column section types significantly influence structural performance, where sections with higher stiffness produce smaller inter-story drift and better lateral load response. Furthermore, differences in column sections affect the fundamental period of vibration, internal forces, and strength ratios of structural elements, which in turn impact the efficiency and safety level of steel building structures. These findings are expected to provide useful guidance for structural engineers in selecting the most suitable column section for a given design requirement.Keywords: steel column, King Cross, Tube, Wide Flange, ETABS, inter-story drift, SMRF
ANALYSIS OF THE FOUNDATION DESIGN FOR THE LOWER STRUCTURE OF THE CIBEET RIVER BRIDGE (STA 0+952), DELTAMAS CITY Mochamad Iqbal Nugraha; Pio Ranap Tua Naibaho; Hikma Dewita
International Journal of Civil Engineering and Infrastructure Vol. 6 No. 1 (2026): IJCEI Volume 6 No. 1
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.6.1.71-80

Abstract

The substructure of a bridge plays a vital role in ensuring the stability and safety of the bridge structure by transferring loads from the superstructure to the supporting ground. The construction of the Cibeet River Bridge at STA 0+952 in Deltamas City requires a reliable foundation system due to varying subsurface soil conditions. Therefore, evaluating the bearing capacity and structural performance of the bridge abutments and bored pile foundations is crucial. This study aims to analyze the results of soil investigations obtained from field and laboratory tests, determine the bearing capacity of the bored pile foundations, and evaluate the structural design of the bridge abutments. The research methodology involved a literature review, collection of bridge design data, and analysis of geotechnical investigation data, including Standard Penetration Tests (SPT), Cone Penetration Tests (CPT), borehole logs, and laboratory tests. The structural analysis considered dead loads, earth pressure, additional loads, traffic loads, braking loads, and seismic loads acting on the abutments. The research results indicate that the selected bored pile foundations provide sufficient bearing capacity to support the applied structural loads, while the abutment design meets the required structural strength and stability criteria. Strengthening analyses for the abutment walls, pile heads, and bored piles also indicate that the designed reinforcements meet the structural requirements under the applicable load combinations. Overall, the planned bridge substructure is capable of safely transferring loads to the foundation system and is considered suitable for implementation in the Cibeet River Bridge project. Keywords: Bridge, Abutment, Bored Pile, Bearing Capacity, Soil Investigation.

Page 9 of 9 | Total Record : 85

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