超声波检测混凝土轴压柱应力状态试验研究  

Experimental studies the work stress of concrete axial compression columns by ultrasonic testing

作　　者：郝文秀[1] 李梁[1] 孙建恒[1] 徐晓[1] HAO Wen-xiu;LI Liang;SUN Jian-heng;XU Xiao(College of Urban and Rural Construction,Agricultural University of Hebei,Baoding 071001,China)

机构地区：[1]河北农业大学城乡建设学院,河北保定071001

出　　处：《河北农业大学学报》2018年第5期104-107,共4页Journal of Hebei Agricultural University

基　　金：河北省重点研发计划项目(18227209D);河北省高等学校科学技术研究项目(ZD2015019;ZD2018209);河北省建筑科学技术研究计划(2015-140)

摘　　要：本研究通过12根混凝土轴心受压柱的在不同荷载作用下的应力-超声波波速对应关系的全过程检测试验,研究了轴心受压柱在不同工作应力状态下的超声波波速、幅值的变化规律,对比了不同混凝土强度对超声波波速的影响规律。研究成果可为混凝土结构超声波检测提供理论依据。In this paper,the whole process test of work stress and ultrasonic wave velocity of 12 concrete axial compression columns were carried out by different loads,the variation law of ultrasonic wave velocity and amplitude of axial compression columns under different working stress conditions was studied and the influence of different concrete strength on ultrasonic wave velocity was compared.The research results can provide reference for concrete engineering testing.

关 键 词：超声波 混凝土 轴压 柱 应力-波速关系 

分 类 号：TU528[建筑科学—建筑技术科学]