超声检测钢板剪力墙空洞缺陷的综合分析与判断

引用文献:

赵杰 雅菁 尚静媛 文超 陈倩 孙沫然 王晓航. 超声检测钢板剪力墙空洞缺陷的综合分析与判断[J]. 建筑结构,2022,48(03):94-98.

ZHAO Jie YA Jing SHANG Jingyuan WEN Chao CHEN Qian SUN Man WANG Xiaohang. Comprehensive analysis and judgment of hole defects in steel plate shear wall with ultrasonic testing[J]. Building Structure,2022,48(03):94-98.

作者:赵杰 雅菁 尚静媛 文超 陈倩 孙沫然 王晓航
单位:天津城建大学天津市建筑绿色功能材料重点实验室 天津津贝尔建筑工程试验检测技术有限公司
摘要:为解决超声波检测钢板剪力墙空洞缺陷判断准确性的问题,在现有《超声法检测混凝土技术规程》(CECS 21∶2000)中概率法判断钢管混凝土缺陷的基础上,采用超声对测法通过KON-NM-4A非金属超声波检测仪和50kHz超声波换能器,对钢板剪力墙空洞缺陷进行检测。并采用概率法、波列、波形、频谱分析及空洞尺寸估算法从不同角度分析判断钢板剪力墙内空洞缺陷的位置、尺寸,最后尝试通过软件Surfer将概率法分析的缺陷位置直观表示。结果表明,采用概率法可以判断截面尺寸大于90mm×90mm空洞缺陷的位置;采用波形分析法可以补充判断截面尺寸不小于60mm×60mm空洞缺陷的位置;采用Surfer软件可以对概率法分析结果直观显示。
关键词:波形分析法,概率法,钢板剪力墙,空洞缺陷,超声对测法
作者简介:赵杰,硕士,主要从事无损检测技术在装配式建筑中的应用研究,Email:zhaojie7902@163.com。雅菁,博士,教授,硕士生导师,主要从事装配式建筑无损检测技术研究,Email:yajing_tj@126.com。
基金:天津市企业科技特派员项目(18JCTPJC60700);天津市科技局安全天津、科技惠民与可持续发展实验区建设科技专项“装配式钢结构建筑(多腔体钢板组合剪力墙结构体系)关键技术研究”(17ZXCXSF00070)。
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Comprehensive analysis and judgment of hole defects in steel plate shear wall with ultrasonic testing
ZHAO Jie YA Jing SHANG Jingyuan WEN Chao CHEN Qian SUN Man WANG Xiaohang
(Tianjin Key Laboratory of Building Green Functional Materials, Tianjin Chengjian University Tianjin JinBeier Architecture Engineering Test & Inspection Technology Co., Ltd.)
Abstract: In order to solve the problem of the judgment accuracy of cavity defects of steel shear wall by ultrasonic detection, based on the probability method in the existing Technical specification for inspection of concrete defects by ultrasonic method(CECS 21∶2000)to determine the defects of concrete-filled steel tube. Ultrasonic testing method was used to detect the cavity defects of the steel plate shear wall through the KON-NM-4 A non-metal ultrasonic detector and 50 kHz ultrasonic transducer. Probability method, wave train, waveform, frequency spectrum analysis, and cavity size estimation methods were used to analyze and judge the location and size of cavity defects in steel plate shear wall from different angles. Finally, the software Surfer was used to visually indicate the position of the defect analyzed by the probability method. The results show that the position of cavity defect with cross-section size greater than 90 mm×90 mm can be judged by probability method, and it can be added to judge the position of cavity defect with cross-section size not less than 60 mm×60 mm by waveform analysis method. The analysis results of the probability method could be visually displayed by software Surfer.
Keywords: waveform analysis method; probability method; steel plate shear wall; cavity defect; ultrasonic testing
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