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Samsul A Rahman Sidik Hasibuan
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Momentum International Journal of Civil Engineering (MIJCE)
Published by Marasofi International Media and Publishing
ISSN : -     EISSN : 30906571     DOI : https://doi.org/10.64123
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Industrial & Manufacturing Engineering Transportation
Momentum International Journal of Civil Engineering (MIJCE) focuses on the advancement and practical application of civil engineering principles in various contexts. The journal covers, but is not limited to, the following areas: 1. Structural Engineering and Building Design 2. Transportation Engineering and Traffic Systems 3. Water Resources Engineering and Hydrology 4. Geotechnical and Soil Mechanics 5. Construction Project Management 6. Construction Materials and Technological Innovation 7. Infrastructure Performance Analysis 8. Urban and Regional Planning Policy 9. Modeling, Simulation, and Computational Civil Engineering The journal welcomes original research articles, conceptual papers, and literature reviews that contribute to the development and implementation of civil engineering knowledge and practices.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 5 Documents
 1 
Search results for , issue "Vol. 1 No. 2 (2025): July" : 5 Documents clear
Performance-Based Seismic Analysis and Design of a Mid-Rise RC Guest House in a High Seismic Zone of Indonesia Harto Nurbian; Agyanata Tua Munthe; Syafwandi; Agung Sumarno
Momentum International Journal of Civil Engineering (MIJCE) Vol. 1 No. 2 (2025): July
Publisher : Marasofi International Media and Publishing (MIMP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64123/mijce.v1.i2.2

Abstract

This study presents the seismic-resistant structural design of a 3-storey guest house with a roof garden, located in Surabaya, Indonesia, an area classified as Earthquake Zone 6. The building is designed using a Special Moment Resisting Frame System (SMRFS) as per SNI 1726:2019, which is appropriate for high seismic risk areas. The equivalent static lateral force method is employed for seismic analysis. Structural modeling and upper-structure design are performed using ETABS, while sub-structure components such as pile caps and foundations are analyzed manually and supported by PCA Column software. The structural elements are designed according to Indonesian codes, including SNI 2847:2019 for reinforced concrete, SNI 1727:2020 for minimum loads, and SNI 2052:2017 for steel reinforcement. The final design yields column dimensions ranging from 200×400 mm to 600×600 mm and beam dimensions from 250×400 mm to 350×700 mm, with slab thicknesses of 120 mm and 150 mm. The results confirm that the structure meets strength, stiffness, and ductility requirements. This research ensures compliance with national standards while enhancing structural safety in high seismic zones.
Torsional Irregularity Control in Irregular Plan RC Buildings through Optimized Shear Wall Placement: A Parametric Study Bohara, Birendra Kumar; Kunwar, Deepak Bahadur; Kunwar, Bhim
Momentum International Journal of Civil Engineering (MIJCE) Vol. 1 No. 2 (2025): July
Publisher : Marasofi International Media and Publishing (MIMP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64123/mijce.v1.i2.1

Abstract

Irregular buildings, particularly those with L-shaped plans, are more vulnerable during seismic events due to their asymmetric geometry and torsional irregularity. This study investigates the seismic performance of L-shaped reinforced concrete (RC) structures with various shear wall configurations under lateral loading. A total of 12 L-shaped six-story building models were analyzed using ETABS software, applying both Equivalent Static Method (ESM) and Response Spectrum Analysis (RSA) as per IS 1893:2016. The effect of shear wall positioning on fundamental time period, base shear, displacement, torsional irregularity and diaphragm rotation was evaluated. Results showed that shear walls significantly enhance structural performance by reducing displacement, increasing base shear, and controlling torsional behavior when placed effectively. Improper or asymmetric wall placement, however, led to increased torsional amplification and irregular seismic responses. Among all models, those with shear walls aligned along both X and Y directions performed best in terms of seismic resistance. The study highlights the importance of optimal shear wall positioning in irregular RC buildings for enhancing seismic safety and structural efficiency.  
Effect of Glass Bottle Waste and Granite Waste as Coarse Aggregate Substitutes on the Compressive Strength of Normal Concrete Arif Rahman Hakim; Agyanata Tua Munthe
Momentum International Journal of Civil Engineering (MIJCE) Vol. 1 No. 2 (2025): July
Publisher : Marasofi International Media and Publishing (MIMP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64123/mijce.v1.i2.3

Abstract

The increase in waste from construction and daily human activities has raised environmental concerns, particularly the disposal of non-biodegradable materials such as glass and granite. This study investigates the potential use of glass bottle waste and granite waste as partial substitutes for coarse aggregates in normal concrete. The objective is to evaluate their influence on the compressive strength of concrete with a target strength of 20 MPa. Experimental tests were conducted using cylindrical specimens (15 cm × 30 cm), incorporating 3% glass waste and varying granite waste contents (3%, 5%, 8%, and 10%). A total of 45 specimens were tested at curing ages of 7, 14, and 28 days. The results show that the highest compressive strength of 25.20 MPa was achieved with 3% glass and 3% granite waste, surpassing the design strength. However, increasing granite content beyond 3% led to a gradual strength reduction. The findings indicate that limited substitution of both wastes is feasible without compromising structural performance. Future research should optimize mix design parameters to improve efficiency and explore higher substitution levels for environmental sustainability.
Steel Brace Connection with Reinforced Concrete Frame Structure: A Review Bohara, Birendra Kumar
Momentum International Journal of Civil Engineering (MIJCE) Vol. 1 No. 2 (2025): July
Publisher : Marasofi International Media and Publishing (MIMP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64123/mijce.v1.i2.5

Abstract

Steel bracing is widely used in reinforced concrete (RC) structures to enhance their lateral load resistance and seismic performance. This review paper compiles and examines various experimental and numerical studies on steel bracing systems and their connection details with RC frames. Three primary types of brace-to-frame connections were analysed, focusing on their effects on structural parameters such as crack patterns, response modification factor (R factor), overstrength, and stiffness. The studies show that while the X-bracing configuration has been extensively examined, other bracing types require further investigation, particularly regarding their connection behaviour and performance. Observations highlight that bracing significantly reduces inter-story drift, displacement, and natural period while increasing base shear capacity. However, the effectiveness of the bracing system largely depends on the type and strength of the connection between the steel braces and RC elements. Issues such as hinge formation near brace connections, shifting of plastic hinges, and localized failures in beams and columns demand further exploration. Additionally, experimental studies reveal that inadequate connections can lead to premature failure, while well-designed connections improve strength, energy dissipation, and ductility. This review emphasizes the urgent need for developing standardized, simple, and effective connection detailing for both new construction and retrofitting purposes. Future research should focus on optimizing the design of brace connections in various configurations, quantifying overstrength factors and stiffness ratios, and extending the study to diverse bracing types beyond the commonly studied X-bracing.
Investment Analysis of Excavator in Sand Mining on the Slopes of Mount Merapi Saputro, Cahyo Dita; Rizal Setiawan; Dwi Kurniati
Momentum International Journal of Civil Engineering (MIJCE) Vol. 1 No. 2 (2025): July
Publisher : Marasofi International Media and Publishing (MIMP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64123/mijce.v1.i2.4

Abstract

The definition of mining and quarrying is constructed as an activity that includes research, management, and exploitation. Sand mining is part of non-metal mining business activities that aim to produce its associated minerals. This study aims to determine the results of the evaluation of the feasibility of heavy equipment investment in Excavators based on calculations using the NPV (Net Present Value), IRR (Internal Rate of Return), BEP (Break Event Point) and PP (Payback Period). This research was conducted surveys, observations and interviews to obtain data. The results of this study Investment in the procurement of heavy equipment Excavator is feasible to run because the Net Present Value (NPV) value is positive (+) which means it is good and acceptable while the resulting NPV value is Rp1,944,640,086.47. Then analyze the calculation of the feasibility of the Internal Rate of Return (IRR) obtained 26%. Thus IRR> MARR = 26%> 15.5% or according to the calculation of IRR this investment is RIGHT to run. Furthermore, from the analysis of the calculation of the Break Even Point (BEP), the calculation results obtained are 5.2153 years or BEP occurs when the break-even point occurs when PM - PK = Rp 5.006.705.873. In the Payback Period (PP) research, the investment turning point occurred in year 5.6856 at a value of Rp 4.009.690.743,31. It can be interpreted that for investment within a period of 10 years is FAIR.

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