Bored Rock-socketed Pile Research And Analysis Of Self-balancing Static Load Test

The self-Balanced method is a new technologies of foundation pile static load test, vertical compression pile is closer to the actual working conditions of a test method. It effectively compensates for the traditional test and solves difficult to resolve by the pile foundation pile bearing capacity of questions: such as extra-heavy test piles, water test piles, piles ramps, narrow slope and the venues test pile some problems, and the installation of a simple, operation convenience, off-site, time-saving effort, security, economic and other advantages in the country have begun to be widely used.This article takes the Dongguan double level bridge self-Balanced loading pile test as a foundation, elaborated the development of our country pouring pile and the present convention static load testing methods. According to the actuai study state of the self-Balanced loading pile test, the principle, the equipment, the test ways and the buried technology of loading box for self-Balanced loading pile test has been summed up. The mechanism of the loading transmission of self -Balanced loading pile test has been analyzed in detail, And compared with traditional test. Through the Dongguan double level bridge self-Balanced loading pile test project operation research, obtained this method of the pile project in the large-scale bridge the utilization concrete measure and the correlation tentative data processing concrete method. Through in the field test, the value simulation and the room experiment, the research has analyzed the influence factors of the self-Balanced method. Elaborated the method of the test results on the self-balance method conversions to the traditional pile test results, and made the numerical simulation.Finally, in the comprehensive summary paper work foundation, proposed that still waited for further thorough research some questions of this paper.