Abstract：
Aiming at the need of quick determination of surrounding rock integrity on tunnel face during construc?
tion, this paper studied the quick test arrangement principles of rock-mass wave velocity. Based on the domestic main standards and specifications, the criteria for spacing of rock mass structural plane was analyzed by correction method and quantitative relationship between rock mass integrity and the spacing of structural plane was studied with mathematical analysis. The control standards Dr and Dm of acoustic wave penetration distance which should be complied by wave velocity and test of rock mass were proposed. The arrangement methods for measuring area and measuring points and the receiving transducer system were designed.
CAI Jianhua ZHANG Haichao WANG Xu
.Research of the Arrangement Method for Quick Testing Rock-mass Integrity Index on Tunnel Face[J] MODERN TUNNELLING TECHNOLOGY, 2019,V56(2): 164-169
2019, Vol. 56 