摘要
基桩浅部的质量事故会给建筑物安全带来极大的隐患,《建筑基桩检测技术规范》(JG J106-2003)3.4.2条规定:桩身浅部缺陷可进行开挖验证。本文根据某工程实测资料,针对浅部存在严重缺陷的基桩运用机械阻抗法结合开挖验证实例讨论低应变检测在判断浅部缺陷中应注意的问题。
Low building foundation defects of pile may bring much hidden trouble in building project. 《 Technical code for testing of piles》Prescribe that digging validation can be used in low defects of pile. In this paper,some questions about digging validation and low strain integrity testing used in low defects of pile will be discussed. At the same time, some typical cases are analyzed. It is indicated that the two methods each have their advantages and disadvantages, they can complement each other.
出处
《城市勘测》
2010年第B06期154-156,共3页
Urban Geotechnical Investigation & Surveying
关键词
基桩检测
低应变
动刚度
机械阻抗法
Foundation pile testing
Low strain integrity testing
Stiffness
Mechanical Impedance
