SR46 Design strength of various house pile foundation systems (1993)

This report describes the first phase of a research programme undertaken by BRANZ that evaluates the strength of house pile foundations when subjected to simulated earthquake motion.

The assumptions and philosophies used to derive design loads for pile foundations in light timber-framed buildings are critically examined. Recommendations on changes to the non-specific design code (NZS 3604) are made.

Experimental test results for braced and cantilevered piles are provided. A proposed foundation test and evaluation procedure is also presented. Areas needing additional work are identified.