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Alternatif Perancangan Pondasi Tiang Pancang Jembatan Maros : Jalur Akses Menuju Stasiun Kereta Api Maros II Fatia, Salsa Purmadani; Sariman, Syahrul; Yuniarto, Eka
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 4 No. 1 (2026): Jurnal Penelitian Teknik Sipil Konsolidasi, Januari 2026
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v4i1.5136

Abstract

This research discusses the alternative design of pile foundations on the Maros Bridge, as an access route to the Maros II Railway Station. In the existing foundation condition used is the bored pile type with a total of 18 piles for each abutment, which has a bearing capacity of 1038.02 kN (abutment 1) and 1400.18 kN (abutment 2) with a diameter of 0.8 m respectively. This alternative pile foundation design considers the comparison of the number, depth, and diameter of the foundation to achieve adequate bearing capacity and determine the shifts that occur using the Displacement Method. Based on the results of the design of the pile foundation design requires 22 piles with a diameter of 0.5 m for each abutment, with a pile foundation depth of 7 m at abutment 1 and 12 m at abutment 2 and with a horizontal shift value (Hi) 968.38, vertical (Vi) 2501.66, and moment (Mi) 3939.02. The bearing capacity of a single pile obtained is 788.3 kN for abutment 1 and 1278.52 kN for abutment 2, so the total bearing capacity that can be borne by the entire foundation in carrying the load of the upper structure has met the required requirements. The configuration of the existing bored pile foundation is 18 piles, while the alternative configuration plan results in a pile configuration of 22 piles with planned dimensions that are able to withstand the loads and forces acting on the bridge even though it requires a larger number of piles compared to the existing bored pile foundation.
Alternatif Perancangan Pondasi Tiang Pancang Sebagai Pengganti Pondasi Tiang Bor Pada Konstruksi Pile Slab Ismail, Windi; Setiawan, Arman; Yuniarto, Eka
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 4 No. 1 (2026): Jurnal Penelitian Teknik Sipil Konsolidasi, Januari 2026
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v4i1.5221

Abstract

Pile foundations are widely used in construction, particularly for structures on low-bearing capacity soils or heavy buildings. Driven and bored piles are the most common types. This study explores driven piles as an alternative to bored piles, focusing on foundation strength through bearing capacity comparison. The selected driven pile is a prestressed precast concrete pile, 1 meter in diameter and 14 meters deep. The method involves calculating bearing capacity using the Meyerhoff equation based on N-SPT data, along with analyzing pile reactions and displacement at the supports through displacement analysis. The calculation results show that the carrying capacity of piles with a diameter of 1 m and a depth of 14 m reaches 2861 kN, larger than a drilled pile with a diameter of 0.8 m and a depth of 21 m with a carrying capacity of 1895.1 kN. Based on these results, prestressed spun pile concrete piles were selected with a concrete quality of fc' 50 MPa, a diameter of 1 m, and a total length of 21 m. The selection of this alternative based on the results of the analysis is still within the safe limit so that the foundation is safe to use.