弹性波层析成像在灌注桩检测中应用  

APPLICATION OF ELASTIC WAVE CT TO INSPECTING THE QUALITY OF REINFORCED CONCRETE CAST PILES

作　　者：潘军校[1] 王振宇[1] 孙坚 刘国华[1] 

机构地区：[1]浙江大学建筑工程学院,杭州310027 [2]浙江工信房地产开发有限公司,杭州310006

出　　处：《低温建筑技术》2005年第4期52-54,共3页Low Temperature Architecture Technology

基　　金：国家自然科学基金资助项目(50279046)

摘　　要：在阐述弹性波层析成像研究历史和现状的基础上,采用弹性波层析成像检测混凝土灌注桩的质量。计算中采用了改进的射线追踪方法和最小二乘QR法,并结合一个工程实例证明了该方法的科学性、可行性和应用效果。The method of elastic wave CT is proposed for quality inspection on the basis of a synthetical review of its research history and present status in this paper. Improved rays tracing and LSQR are adopted in the calculating, and the scientificity, feasibility and application effectiveness of the method are proved through a practical engineering example in the paper.

关 键 词：弹性波 层析成像 混凝土灌注桩 质量检测 

分 类 号：TU712.3[建筑科学—建筑技术科学] U443.15[建筑科学—桥梁与隧道工程]