Yantari, Rodi (2025) Analisis Kuat Dukung Pondasi Tiang Bor Pada Rencana Abutmen Jembatan Pulau Batam – Pulau Bintan Provinsi Kepulauan Riau. Other thesis, Universitas Islam Riau.

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Abstract

A foundation is the lowermost structure of a building that directly interacts with the soil. Foundation work is a critical aspect of construction. The use of bored pile foundations is a common choice in bridge foundation projects. The analysis of the bearing capacity of bored pile foundations can be conducted using N-SPT test data. It is essential to perform an analysis of the bearing capacity of foundations to determine the magnitude of the pile’s load-bearing capacity compared to the load on it. The method of analyzing the bearing capacity of piles used in this study involves utilizing soil investigation data obtained from the results of Standard Penetration Test (N-SPT). The formulation used in calculating the foundation bearing capacity is based on the NSPT value. Using Goodman’s method (1980), Qp was found to be 7,092.85 kN, using Rowe and Armitage’s method, Qp was found to be 16,133.33 Kn and using AASHTO method Qp was found 15.580 kN. The minimum value between these methods is considered for Qp, Qu was found 29.737,89 kN, with SF = 2 yielding a final value of Qa = 14.868,95 kN. The maximum load on the pile is 9.136,08 kN, smaller than the Qa. Keywords : Bored Pile, Bridge, SPT, Abutment

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