低应变“桩-土”系统振动分析  

VIBRATION ANALYSIS OF LOW STRAIN "PILE-SOIL" SYSTEM

作　　者：顾家扬[1] 裴捷 

机构地区：[1]同济大学 [2]上海民用建筑设计院

出　　处：《振动与冲击》1993年第4期8-15,35,共9页Journal of Vibration and Shock

基　　金：上海市建设技术发展基金会资助项目

摘　　要：本文采用动力学反问题建模方法,建立了“桩-土”系统模型,用比例模型桩实验,论证其理论的正确性。分析计算两类桩侧边界(自由,弹性),三种桩底边界(柔性,弹性,刚性)的系统动力参数。推出用于低应变动测法诊断桩身故障,分析单桩承载力的计算式。This paper presents a model of 'pile-soil' system for the modeling method of the dynamic converse problem, and verifies the reasonableness of its theory using the proportional model pile test; analyzes and calculates the dynamic parameters under the boundaries of the free and elastic cases on the pile-sides as well as the soft, elastic, rigid ones on the pile bottom; derives the formulation of diagnosing the defects in a pile body and analyzing the bearing capacity in a monopile using low strain dynamic measurement.

关 键 词：结构力学 桩-土系统 动力学 

分 类 号：TU473.12[建筑科学—结构工程]