期刊
GEOMATICS NATURAL HAZARDS & RISK
卷 7, 期 -, 页码 35-46出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/19475705.2016.1181342
关键词
Mechanism of water inrush; tunnel construction; geological disaster; karst area
资金
- National Natural Science Foundation of China [51139004, 51009085]
- Natural Science Foundation of Shandong Province of China [ZR2010EQ033, 2014ZRE27303]
- Shandong Province Postdoctoral Special Funds for Innovative Projects [201002032]
- Open Foundation of State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering [2011490806]
- Open Foundation of State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining Technology [SKLGDUEK1105]
- National Natural Science Foundation of China (General Program) [51479106]
With the rapid developing trend of long, large and deep construction characteristics for underground engineering in the world, China has the largest number of karst tunnels with the wide scales and great difficulties. As the hydrogeological conditions are becoming unprecedentedly complex, water inrush disaster becomes the bottleneck problem for the further development of traffic tunnels. Based on the statistical analysis of a large number of cases of water inrush in karst tunnels, influence factors of water inrush have been put forward from the view of karst hydrogeological factors and engineering disturbance of human factors. Karst hydrogeological factors include geological defect, strata dip, formation lithology, landform and underground level. Human factors of engineering disturbance include excavation and reinforcement geological prediction, monitoring and measurement of surrounding rock. It also introduces some geological disasters caused by the water inrush in tunnel excavation. In terms of the formation of water inrush channel, water inrush types are divided into geological defects inrush, non-geological defects inrush and the combination. Conclusions will be beneficial to further research on hazards control of underground construction.
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