环形钢筋混凝土电杆裂缝深度的超声波检测  

Ultrasonic tests on crack depth in circular reinforced concrete poles

作　　者：方永浩[1] 贾丽丽[1] 戴玭[1] 康秋波[1] 葛兆祥[2] 刘建军[2] 陈大兵[2] 

机构地区：[1]河海大学力学与材料学院,江苏南京210098 [2]江苏省电力试验研究院有限公司,江苏南京211100

出　　处：《水利水电科技进展》2011年第3期88-91,共4页Advances in Science and Technology of Water Resources

基　　金：江苏省电力公司科技项目(2008018)

摘　　要：研究采用超声波检测环形钢筋混凝土试件和环形钢筋混凝土电杆中裂缝深度的方法,导出纵向裂缝和环向裂缝深度计算公式。对环形钢筋混凝土试件和环形钢筋混凝土电杆裂缝深度的检测结果表明:用本文提出的检测和计算方法对于环形钢筋混凝土构件裂缝深度的检测具有较高的准确度;对于环向裂缝,用两换能器的连线斜跨环向裂缝的布置方法可以基本消除钢筋的影响。The method of ultrasonic tests was employed to investigate the crack depths in circular reinforced concrete specimens and poles.The relevant formulas for the depths of longitudinal and circular cracks were derived.The test results of the crack depths of the circular reinforced concrete specimens and poles show that the proposed method has high accuracy.As for the circular crack,the influences of the adjacent bars on the measured results can be avoided by obliquely setting two transducers across the crack.

关 键 词：钢筋混凝土电杆 裂缝深度 超声波检测 

分 类 号：TU317.8[建筑科学—结构工程]