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All Journal Jurnal Teknik Sipil
Defitri, Hilga
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Civil Engineering, Building, Construction & Architecture

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Optimization of Bored Pile Foundation Usage in Apartment Development Projects in Batam Defitri, Hilga; Andriani, Andriani; Hakim, Abdul; Hape, Shafira Rahmadilla
Jurnal Teknik Sipil Vol 25, No 2 (2025): Vol 25, No 2 (2025): JURNAL TEKNIK SIPIL EDISI MEI 2025
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v25i2.91760

Abstract

Batam is actively developing apartments and hotels to support the growing tourism sector. Proper planning of structures and foundations is essential in the construction process to ensure the building's strength. Several factors must be considered when designing bored pile foundations, such as depth, diameter, and pile cap dimensions. Costs increase as the piles' diameter and the pile cap's dimensions expand. Therefore, optimizing the foundation design to achieve the optimal pile diameter, number of piles, and bearing capacity is important while maintaining cost efficiency without compromising foundation safety standards. This study aims to optimize the allowable bearing capacity of the actual bored pile foundation using the N-SPT value approach and compare the costs of executing the actual bored pile foundation with the optimized bored pile foundation. The analysis results show that the actual foundation bearing capacity in the field is 21.038,448 kN, while the optimized foundation has a bearing capacity of 10.812 kN. The cost for the actual bored pile foundation in the field is IDR 604.862.538, while the cost for the optimized pile foundation is IDR 416.517.335. The difference in cost between the two is IDR 188.345.203, indicating a cost saving of 68,86% with the optimized foundation.
Co-Authors Abdul Hakim Andriani Andriani Hape, Shafira Rahmadilla