Abstract
The principle and method of self-balancing test are introduced briefly. In this article, through comparison of common Q-S curve of equivalent transformation to transform from the balance of the measured load-displacement curve for the traditional method of load - displacement curve, puts forward the advantages and disadvantages of each, through the three bored piles in static load test of pile reaction from balance to detect vertical compressive ultimate bearing capacity of single pile is in line with the requirements and compare the load-displacement curve after conversion. Some problems of the self-balancing method in engineering are pointed out, which is of certain reference value to the popularization and application of the self-balancing test of pile bearing capacity.
Highlights
Common single pile bearing capacity testing methods include pile foundation static load test, pile loading test method and self-balancing test method
As is known to all, the whole pile t- op load settlement curve is the most reliable data to describe the performance of a single pile
This paper summarizes and analyses the methods of converting the results of self-balancing test of pile bearing capacity into the results of traditional static load, and makes a comparative analysis of various methods with examples, and points out some problems existing in the engineering of self-balancing method
Summary
Common single pile bearing capacity testing methods include pile foundation static load test, pile loading test method and self-balancing test method. Compared with the three methods, self-balancing test method has lower cost, is not limited by the site, and is efficient. There are many methods to transform the traditional static load results. As is known to all, the whole pile t- op load settlement curve is the most reliable data to describe the performance of a single pile. This paper summarizes and analyses the methods of converting the results of self-balancing test of pile bearing capacity into the results of traditional static load, and makes a comparative analysis of various methods with examples, and points out some problems existing in the engineering of self-balancing method.
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