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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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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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LAND SUBSIDENCE INVESTIGATION AND HANDLING METHODS (CASE STUDY: BUILDING OF BPJS KETENAGA KERJAAN SORONG CITY SOUTH WEST PAPUA PROVINCE) Asriadi, Asriadi; Purwantoro, Didik Setyo; Widodo, Slamet; Fajar, Muhammad Nur; Iqbal, Iqbal
International Journal of Civil Engineering and Infrastructure Vol 3, No 2 (2023): IJCEI Volume 3 No. 2
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.3.2.1-9

Abstract

Penelitian ini merupakan investigasi komprehensif terkait penurunan permukaan tanah dan cara penanganannya di Dinas BPJS Ketenagakerjaan (eksisting) di Kota Sorong, Provinsi Papua Barat. Penelitian dilakukan dengan pendekatan komprehensif yang meliputi observasi, pengambilan sampel tanah, pengujian komponen struktur, dan analisis struktur bangunan. Hasil penyelidikan geoteknik dan struktur bawah menunjukkan adanya hubungan antara daya dukung tanah dengan data sondir atau nilai tahanan konus (qc). Berdasarkan hasil sondir, tanah di lokasi tergolong sangat keras dengan nilai qc >150 kg/cm2. Investigasi geolistrik menunjukkan indikasi adanya lapisan tanah lunak atau aliran air tanah pada kedalaman tertentu. Lebih lanjut, dari hasil pengujian tanah dan geolistrik, disarankan untuk merencanakan dan melaksanakan rekayasa geoteknik dengan menggunakan perbaikan tanah dan/atau perkuatan tanah. Hal ini bertujuan untuk meningkatkan daya dukung tanah dan mengatasi potensi penurunan lebih lanjut.
THE BEHAVIOR OF T-SHAPED BUILDING STRUCTURES DUE TO DILATATION METHOD UNDER EARTHQUAKE LOADS Nugroho, Febriansyah Ahmad; Budiman, Budiman; Hanif, Basit Al
International Journal of Civil Engineering and Infrastructure Vol 4, No 1 (2024): IJCEI Volume 4 No. 1
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.4.1.63-71

Abstract

Earthquake resistant construction planning is very crucial in Indonesia, considering that most of Indonesia's territory is located in areas with moderate to high earthquake intensity. Especially the construction of high-rise buildings in the city of Jakarta which are built with irregular building plans. Therefore, development in the city of Jakarta must consider the earthquake forces that will occur on buildings to minimize losses caused by irregular building shapes. In this research, the irregularities of a T-shaped plan building will be planned, using a building split analysis method called dilatation, which will be modeled into 5 structural models, namely the first is a complete T-shaped plan or without dilatation, while the second and third models use the two-column dilatation method 1a and 1b, the fourth and fifth models use the cantilever dilatation method 1a and 1b. All models are designed with a special moment resisting frame system (SRPMK). This analysis aims to determine the earthquake force, structure period, and displacement of the structure. From the results of the structural analysis, the difference in the value of the structural period, the displacement between floors that occurs in dilated buildings, is obtained.
DESIGN OF A PIPING IRRIGATION SYSTEM ON SUKKARI'S KURMA PLANTATION Hasyir, Muhammad Humaam Al; Immamuddin, Mohammad
International Journal of Civil Engineering and Infrastructure Vol 3, No 2 (2023): IJCEI Volume 3 No. 2
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.3.2.50-58

Abstract

Irrigation using pipes is a common thing found in agriculture. In this research, before designing the pipes, a topographic map is first made to find the points on each water exit route in each pipe. Topographic data is obtained from measurement data in the field, then the data is processed in Auto Cad software. After that, the pipe network was designed using Autocad software with 270 tapping exit points with a service level of 100% for an output time of 1 hour. So it is found that the calculation assumption for the average need for plants is 35 liters/day or 0.00000486 m 3 /second/pipe/tree. After obtaining the average results, the pipe needs are planned with a main pipe size of 7 mm, an average distribution pipe of 2.2 mm with a drip hole size of 1.7 mm. Next, the energy loss (Hf) in each pipe was calculated and the result was 0.00000017. The storage uses a capacity of 500 liters with a height of 5 m from the ground, with a value (Hf) of 0.00005398. Pipe planning on date palm plantations can be said to be very helpful to farmers if the design can be implemented and will be more effective.
THE INFLUENCE OF DILATATION ON REINFORCED CONCRETE STRUCTURES WITH U-SHAPED FLOOR PLAN DUE TO EARTHQUAKE LOADS Al Hafidz, Muhammad Taufiq; Budiman, Budiman; Hanif, Basit Al
International Journal of Civil Engineering and Infrastructure Vol 4, No 1 (2024): IJCEI Volume 4 No. 1
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.4.1.21-29

Abstract

Earthquakes are defined as vibrations originating from the movement of tectonic plates beneath the earth's surface, with the greatest impact on building damage, especially high-rise asymmetrical buildings that have a high potential for horizontal displacement in the building structure. For this reason, it can generally be overcome by using dilatation in order to reduce building irregularities. In this analysis process, the building model is divided into 5 structural models, namely a model without dilatation (intact with a U plan), with two column dilatation divided into 2 parts called buildings A, and B, and cantilever dilatation divided into 2 parts called buildings A and B. All models are designed with a truss system. All models are designed with a special truss system. From the results of the structural analysis, it is found that the dilatation greatly affects the deviation between floors, the structural vibration period and the p-delta that occurs in the building. The internal forces that occur in columns and beams also show significant results, especially in columns with structures without dilation compared to using dilation.
MULTIVARIATE ANALYSIS ON THE STUDY OF PORT FACILITIES DEVELOPMENT: PCA ANALYSIS FOR LOW CORRELATION DATASET Irwanto, Rachmad; Satiawan, Budi; Soerjatmodjo, Irnanda Satya; Setiawan, Andika
International Journal of Civil Engineering and Infrastructure Vol 3, No 2 (2023): IJCEI Volume 3 No. 2
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.3.2.10-20

Abstract

Efforts to develop existing infrastructure facilities are highly regarded in order to keep up with capacity demand and upgrade changes in data trends. To obtain the best users’ interest in the facilities that aligns management development plan and schedule, a questionnaire is commonly conducted. Datasets acquired from questionnaire featuring satisfactory level such as Likert scale tends to be ordinal. Ordinality using standard Pearson correlation lean towards weak relationship. Traditional PCA, relying on Pearson correlation, may struggle to capture the nuanced relationships within such ordinal data, leading to a loss of valuable information. Through a comparative analysis of PCA results using both covariance matrix and conventional Pearson correlation, this paper demonstrates the efficacy of the proposed methodology in uncovering latent patterns and relationships within the questionnaire responses.
IMPACT OF TIME DELAY FOR CONSTRUCTION PROJECTS IN BANGLADESH Haque, Md. Foisal
International Journal of Civil Engineering and Infrastructure Vol 4, No 1 (2024): IJCEI Volume 4 No. 1
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.4.1.72-80

Abstract

This research evaluates the time delay factors for construction works by the questionnaire survey in several firms in Bangladesh. The two questions have been asked to the firm's authorities/representatives during the survey to reach the goal of prediction of the time delay factors. The time delay factors hamper the completion of the construction works within the scheduled time. There are 49 numbers of time delay factors have been found in the questionnaire survey. These factors have come from the 25 numbers of firms during the survey. The number of feedbacks against two questions for architectural, structural, and construction firms have been selected be 10, 20, and 20 nos. The 49 feedbacks have been found in different forms which indicate the time delay factors. The construction works in Bangladesh may be completed within the scheduled time by overcoming the impact of time delay factors.
RELATIONSHIP BETWEEN 35 MEGAPASCAL COMPRESSIVE STRENGTH AND FLEXURAL STRENGTH Permana, Oki; Naibaho, Pio Ranap Tua; Bangun, Sempurna
International Journal of Civil Engineering and Infrastructure Vol 3, No 2 (2023): IJCEI Volume 3 No. 2
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.3.2.59-68

Abstract

In the modern era like now in the construction sector, there are so many innovations in infrastructure along with the times. Concrete is an important factor in the construction sector with a function as one of the formers of the upper and lower structures. Concrete material is the result of a mixture of cement, coarse aggregate, fine aggregate, water and sometimes added materials with various kinds of innovations. The method used in this study is experimental, by making the test specimen laboratory samples by using two different specimens but with the same quality of concrete is fc'35 MPa. Based on the results of the values on the flexural and compressive test specimens in the laboratory, an unsuitable relationship between flexural strength (has been obtained fs) and compressive strength (fc ') according to SNI 2847: 2013. On formulas (fr = 0.62 √fc′) applis to the concrete test 28 day.
ANALYSIS OF STRENGTH OF LIFT FRAME STRUCTURE ON LIFT LOAD WEIGHT OF 320 KG AND LIFT LOAD WEIGHT OF 450 KG USING ETABS SOFTWARE (CASE STUDY: PONDOK INDAH TOWNHOUSE PROJECT) Tuheteru, Kadir; Azhar, Moh; Bangun, Sempurna; Naibaho, Pio Ranap Tua
International Journal of Civil Engineering and Infrastructure Vol 4, No 1 (2024): IJCEI Volume 4 No. 1
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.4.1.30-44

Abstract

The lift frame is a system that provides physical support to the lift. The steel material used is hot rolled steel (WF and H-Beam). In this research, to prevent damage due to earthquakes, it is necessary to carry out earthquake analysis including structural irregularities, intersections between levels, and increased forces due to irregularities following SNI 1726-2019. This research aims to determine the specifications of an elevator frame that can withstand a load of 320 kg and analyze the axial force, moment, and shear in the elevator structure using ETABS Software. Apart from that, to find out the results of the strength of the lift frame on a floor building if a load force of 450 kg is applied. The results obtained in this research are as follows, the weight of the lift load of 320 kg working on the 200x100x5.5x8 WF support beam is 1726.6 kg, and the weight of The lift load of 450 Kg working on the 200x100x5.5x8 WF Support Beam of 1925 Kg. In earthquake load analysis in the South Jakarta area, deformation in building structures was 3,064 mm in the X direction and 1,722 mm in the Y direction, so the elevator frame structure is safe.
CONTROL OF SCHOOL FACILITIES AND INFRASTRUCTURE PROJECTS OF OGAN KOMERING ILIR REGENCY AND OGAN ILIR REGENCY Sanrach, Handa Dwi; Dewita, Hikma; Sembiring, Kristina; Nabiho, Pio Ranap Tua
International Journal of Civil Engineering and Infrastructure Vol 3, No 2 (2023): IJCEI Volume 3 No. 2
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.3.2.21-30

Abstract

The project and school infrastructure of Ogan Komering Ilir Regency and Ogan Ilir Regency aims to determine project performance. The analysis was carried out based on completed projects in the aspects of time and cost control using the Earned Value Analysis concept which consists of three indicators, namely BCWS, BCWP and ACWP. The analysis was carried out on time deviations (SV), cost deviations (CV), total budget deviations (BV) and was carried out in weeks (21 weeks). From this deviation analysis, productivity and project performance can be analyzed again, such as the time performance index (SPI) and Cost Performance Index (CPI). Based on Earned Value analysis, the schedule deviation (SV) on the project is 0. This means that in Week 21 the heavy work carried out was completed according to plan. Apart from that, the time performance index on the project is 1 (implementation completed according to schedule), while the cost performance index is 1.03 (1.3 > 1 which means expenditure is lower than planned).
NUMERICAL INVESTIGATION OF COLD-FORMED STEEL HOLLOW STRUCTURAL SECTIONS DUE TO COMBINED AXIAL COMPRESSION AND BENDING LOADS Budiman, Budiman; Imamuddin, Mohammad; Hanif, Basit Al; Handoyo, Hendras Duwi
International Journal of Civil Engineering and Infrastructure Vol 3, No 2 (2023): IJCEI Volume 3 No. 2
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.3.2.69-77

Abstract

old-formed steel has emerged as a prominent material in modern construction due to its excellent structural performance, cost-effectiveness, and sustainability. Hollow structural sections made of cold-formed steel have garnered significant attention due to their favourable strength-to-weight ratios and versatility in construction applications. In this research, the cross-section of cold-formed steel hollow structural sections will be analysed as a structure that receives a combination of compressive and bending loads. Numerical analysis was carried out using the finite element method with the help of ABAQUS software to obtain the buckling behaviour and cross-sectional capacity. The cold rolled steel regulations in SNI 79712013 or AS/NZS 4600 will be compared with numerical results to see the level of performance of the code in the case of hollow structural sections. Numerical testing and cross-sectional capacity calculations refer to existing references in the literature.

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