摘要
用超声平测法测量混凝土声速、波幅和频率,运用数理统计方法成功地检测了大体积钢筋混凝土结构施工缝的内部缺陷,并结合模糊聚类分析判断可疑缺陷的归属以及施工缝内部缺陷的性质,取得了较满意的结果.本文对如何消除密集平行钢筋的影响提供了实用办法.
In this paper, the ultrasonic pulse velocity, first-wave-amplitude and frequency of concrete were measured by ultrasonic flat-measured method, the internal defect of construction joints of voluminous reinforced concrete was detected by mathematic-statistical method . Furthermore , division of undetermined defect and characteristics of internal defect of construction joints were evaluted by fuzzy clustering analysis. The results have higher precision of evaluation. A defeated method for effect of dense-flat steel bar on the observation datas is proposed in this paper.
出处
《青海大学学报（自然科学版）》
1995年第3期12-18,共7页
Journal of Qinghai University(Natural Science)
关键词
超声平测法
施工缝
缺陷
钢筋混凝土结构
Ultrasonic flat-measured method Construction joint Defect Ultrasonic parameter Critical value Fuzzy clustering analysis
