Applied Research of comprehensive advance geological prediction in Daluoshan diversion tunnel

Abstract

In order to study the accuracy of the comprehensive advance geological prediction method in the prediction of geological conditions in the tunnel construction project, based on the Daluoshan Diversion Tunnel Project in Wenzhou, Zhejiang Province, this paper selects typical sections of the diversion tunnel, uses the tunnel seismic scattering imaging technology TST and geological radar to transmit seismic and electromagnetic signals to the face detection section, and processes and interprets the collected signal information. The verification is carried out by using advanced blasthole and advanced drilling. The results show that the geological prediction results are relatively consistent with the actual exposure, and the advance geological prediction can give play to the advantages of various technologies and verify each other, which can greatly improve the accuracy of the advance geological prediction in the application of the headrace tunnel, and provide reference and basis for the later construction, and provide safety assurance.