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The foundation is the most basic structural part of a building which functions to support the load from all the building structures above it and transmit it to the ground below which supports it. This research aims to calculate the bearing capacity and settlement of bored pile foundations using standard penetration test (SPT) data and then comparing them with the results of the pile driving analyzer (PDA). Calculation of bearing capacity uses the Reese and Wright method, group foundation bearing capacity uses the Simple, Converse-Labarre, and Los Angeles efficiency methods, single pile settlement uses the Empirical method and pile group settlement uses the Vesic method. Research was conducted on the Kadusirung Flyover Construction project located on Jalan Kadusirung, Serpong, Tangerang Regency. The results of calculating the bearing capacity of the foundation using SPT data using the Reese and Wright method are that the abutment points A1B and A1T are 258.0 tonnes, and the pier points P1T and P1B are 235.8 tonnes. Meanwhile, the PDA test results for points A1B and A1T were 298.0 tons, and points P1T and P1B were 248.4 tons. The calculation results for single foundation settlement at points A1T and A1B were 8.82 mm, and points P1T and P1B were 8.53 mm. The results of calculating the bearing capacity of the foundation using SPT data are smaller than the PDA test results, so the calculation using the Reese and Wright method is safe for the Kadusirung flyover construction project.
Keyword: Abutment, Pile Driving Analyzer, Standard Penetration Test.
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