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Application Of Direct Method Cone Penetration Test In Jakarta
Erly Bahsan (a), Farah Ayu Ridhani (a), Samuel Henrina (a)

a) Department of Civil Engineering, Faculty of Engineering, University of Indonesia
Jalan Kampus UI, Kukusan, Beji, Depok, Jawa Barat, 16424
Indonesia


Abstract

There are a lot of direct methods to estimate bearing capacity of pile foundation using cone penetration test (CPT). Hence, it is interesting to evaluate which method that suitable for a certain condition or specific locations. This paper tries to analyse the results of CPT direct method calculations for the pile foundations that were constructed in Jakarta, Indonesia. The pile capacities are determined using the following methods: Schmertmann, de Ruiter dan Beringen, LCPC, Aoki and De Alencar, Penpile, Price and Wardle, Philipponnat and Wesley. The pile capacities will be compared to the measured pile capacities from static pile load tests,which interpreted by Chin method and Decourt method, and the results from PDA testing. The statistical analyses used in this paper are the best fit line of the predicted pile capacities versus the measured pile capacities, and the mean and standard deviation of the ratio between the predicted pile capacities and the measured pile capacities. In general, the result of the CPT direct methods calculations are mainly underpredicted. Results showed that Philipponnat is the most appropriate method in the studied location with average value of ratio between the predicted pile capacities and the measured pile capacities is roughly 1.03.

Keywords: direct method; cone penetration test; pile foundation

Topic: Civil Engineering

Link: https://ifory.id/abstract/WCZBhdjAknet

Conference: Broad Exposure on Science and Technology (BEST 2019)

Plain Format | Corresponding Author (Farah Ayu Ridhani)

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