But bad construction control results in some low concrete grade of foundationpiles and some broken piles.
在施工中，由于管理不善，造成部分基桩砼标号低于设计标号，并伴随有断桩等现象的工程质量事故。
2
This paper is to study how the lengths of foundationpiles influencing driven piles by one dimensional wave equation.
应用一维波波动方程式探讨基桩长度对打击桩的影响。
3
In this paper, project examples to explain the inner-supporting structure of the foundationpiles supporting engineering design, construction and monitoring.