在垞城矿进行了预应力锚杆的现场无损检测试验。试验结果表明：数值模拟结果真实地反映了预应力锚杆支护系统的动力特征。
The field experiment of rockbolt nondestructive detection was selected in Chacheng Mine, the results perform the dynamical characteristics of prestressed bolt supporting system.
基于回弹法全国测强曲线，通过工程实例研究了结构混凝土抗压强度的回弹法无损检测试验方法，并与钻芯法混凝土强度检测试验方法进行了对比。
On the basis of the national curve of rebounding method, the rebounding non-destruction detecting testing method for concrete compression strength was done by using the engineering example.
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