摘要
针对目前各种检测PC构件套筒灌浆饱满度的方法中存在的弊端,选用阵列式横波超声检测仪进行测试。采用钢管中浇筑不同高度的水泥基灌浆料,或者插入钢筋后灌入不同高度的水泥基灌浆料,进行套筒灌浆模拟。使用阵列式横波超声检测仪时,将仪器垂直于套筒轴向的常规测试方法,改为仪器平行重叠于套筒轴向进行测试。观察B-SCAN视图,对比预先设定的套管中不饱满灌浆位置及其尺寸,可以较好的反映套筒中灌浆料的饱满程度。该测试方法对于直径在30mm及以上的套筒灌浆饱满度检测较为准确。
Aiming at the shortcomings of various current methods for detecting the fullness of the sleeve grouting of PC components,an array type shear wave ultrasonic detector is selected for testing.Cement-based grouting of different heights is poured into steel pipes,or cement-based grouting of different heights is poured after steel bars are inserted to simulate sleeve grouting.When using the array type shear wave ultrasonic detector,the test method recommended by the manufacturer of the instrument perpendicular to the sleeve axis is changed to the instrument being parallel and covered to the sleeve axis for testing.Observe the B-SCAN view and compare the pre-set position and size of the non fullness grouting in the casing,which can better reflect the fullness of the grouting in the sleeve.This test method is more accurate for detecting the fullness of sleeve grouting with a diameter of 30 mm and above.
作者
徐立斌
陈亦苏
黄巧玲
谢翔
朱国良
龙建旭
王转
丁银仙
XU Libin;CHEN Yisu;HUANG Qiaoling;XIE Xiang;ZHU Guoliang;LONG Jianxu;WANG Zhuan;DING Yinxian(Guizhou Construction Science Research&Design Institute Limited Company Of CSCEC,Guiyang 550006,China;China Construction Science&Technology Group Co.,Ltd(Guizhou),Guiyang 550025,China;GuiZhou Communications Polytechnic,Guiyang 551400,China)
出处
《建筑结构》
CSCD
北大核心
2021年第S01期1220-1224,共5页
Building Structure
基金
中建四局课题(CSCEC4B-2019-KT-51)
黔科合支撑([2018]2953)
贵阳市装配式建筑示范城市奖补资金扶持项目
关键词
阵列式
横波
套筒灌浆
饱满度
array
shear wave
sleeve grouting
fullness
