TY - GEN
T1 - Failure mechanism of karst cave wall during tunnelling
AU - Wang, J.
AU - Deng, Y.
AU - Nbo Wu, L.
AU - Liu, X.
AU - Yin, Y. O.
AU - Liu, W.
N1 - Publisher Copyright:
© 2017 International Society for Rock Mechanics. All Rights Reserved.
PY - 2017
Y1 - 2017
N2 - Karst caves are often encountered during tunnelling in China. When the caves are filled with groundwater with a high static head, drilling and blasting may induce failure or collapse in the cave wall, resulting in a water inrush or debris flow into the tunnel. The mechanism of damage to the cave wall must be elucidated in order to mitigate the hazards. A conceptual model was set up based on the Yuanliangshan Tunnel, where a cave wall collapse and debris flow were induced by drill-and-blast operations. Particle Flow Code was utilized to simulate the collapse of the cave wall and the evolution of the damage.
AB - Karst caves are often encountered during tunnelling in China. When the caves are filled with groundwater with a high static head, drilling and blasting may induce failure or collapse in the cave wall, resulting in a water inrush or debris flow into the tunnel. The mechanism of damage to the cave wall must be elucidated in order to mitigate the hazards. A conceptual model was set up based on the Yuanliangshan Tunnel, where a cave wall collapse and debris flow were induced by drill-and-blast operations. Particle Flow Code was utilized to simulate the collapse of the cave wall and the evolution of the damage.
UR - http://www.scopus.com/inward/record.url?scp=85048519062&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:85048519062
T3 - ISRM AfriRock - Rock Mechanics for Africa
SP - 705
EP - 714
BT - ISRM AfriRock - Rock Mechanics for Africa
PB - International Society for Rock Mechanics
T2 - ISRM AfriRock 2017 - Rock Mechanics for Africa
Y2 - 3 October 2017 through 5 October 2017
ER -