无约束后锚固拔出法检测结构混凝土强度的试验研究

Experimental Study on Adhesion-installing Pull-out Test Without Restrain to Check Concrete Strength

在总结后装拔出法的缺陷的基础上,提出了用无约束后锚固拔出法检测混凝土强度的试验方法,并对试验数据进行分析,由于其力学行为相对简单,传力路径明确,数据回归分析表明无约束后锚固拔出法是一种简便、适用范围广、值得推广的结构混凝土强度检测方法。

The author utilizes the method of adhesion-installing pull-out test with relief of stress to check concrete strength after concluding the defects of pull-out post-insert method and adhesion-installing pull-out method,then the author introduces the test method,and analyzes the test data,because of its relatively simpler mechanical behavior and more definite load transfer path,the result of regression analysis reveals that the adhesion-installing pull-out test with relief of stress,as a test method of concrete structures is easy in use and this method is worthy to be generalized with its wide scope of application.