Application of Technology of Advanced Tunnel Seismic Prediction and Its 3D Renderings

ZHOU Li-ming; QIU Dong-ming; FU Dai-guang; XIAO Guo-qiang; WANG Fa-gang

doi:10.11988/ckyyb.20160118

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Journal of Changjiang River Scientific Research Institute ›› 2016, Vol. 33 ›› Issue (10) : 72-78. DOI: 10.11988/ckyyb.20160118

ROCK-SOIL ENGINEERING

Application of Technology of Advanced Tunnel Seismic Prediction and Its 3D Renderings

ZHOU Li-ming¹,QIU Dong-ming²,FU Dai-guang¹,XIAO Guo-qiang¹,WANG Fa-gang¹

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Abstract

Large-scale safety accidents are prone to be triggered by large geological defectives (broken fault zone, cave, and water gushing and mud) in large hydropower caverns. Advanced geological prediction for hydroelectric tunnel is relatively weak. In this research, the development status and basic principle of TSP (tunnel seismic prediction) technology are firstly introduced, and some key factors that affect TSP data acquisition are discussed. Furthermore, TSP technology is applied to the geological prediction for the discharge tunnels and diversion tunnels of Wudongde Hydropower Station. The geological prediction result of large working face is obtained, and the 3D spatial distribution of the geological defectives is given. The forecast results are basically in accordance with the excavation results which exposed karst caves and water distribution in front of excavation face. The prediction results verify the feasibility and effectiveness of the application of TSP technology in underground engineering of water conservancy and hydropower projects.

Key words

TSP / advanced tunnel geological prediction / 3D result / Wudongde hydropower station / data acquisition

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ZHOU Li-ming,QIU Dong-ming,FU Dai-guang,XIAO Guo-qiang,WANG Fa-gang. Application of Technology of Advanced Tunnel Seismic Prediction and Its 3D Renderings[J]. Journal of Changjiang River Scientific Research Institute. 2016, 33(10): 72-78 https://doi.org/10.11988/ckyyb.20160118

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