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A platform for research: civil engineering, architecture and urbanism
Evaluation of Blasting Influence on the Middle Wall of a Multi-Arch Tunnel
In the construction of large-span and multi-arch tunnel, the advanced middle drift usually be used as the free-face of the tunnel excavating blasting, which has an adverse effect on the Middle Wall unavoidably. Most of research focus on the vibration of Middle Wall and the transmit law of the blasting vibration wave along the Middle Wall, but little take into account the concrete age of the Middle Wall. Also in the tunnel construction of III classification rock, the lining construction will lag behind the digging face to stabilize the surrounding rock and avoid the construction interference. Based on the Chenjiaqiao Tunnel of the North Expressway around Whenzhou City, the blasting effect on the Middle Wall is stimulated by using the software of ANSYS, which analysis the different vibration effects of the Middle Wall under the different concrete age conditions.
Evaluation of Blasting Influence on the Middle Wall of a Multi-Arch Tunnel
In the construction of large-span and multi-arch tunnel, the advanced middle drift usually be used as the free-face of the tunnel excavating blasting, which has an adverse effect on the Middle Wall unavoidably. Most of research focus on the vibration of Middle Wall and the transmit law of the blasting vibration wave along the Middle Wall, but little take into account the concrete age of the Middle Wall. Also in the tunnel construction of III classification rock, the lining construction will lag behind the digging face to stabilize the surrounding rock and avoid the construction interference. Based on the Chenjiaqiao Tunnel of the North Expressway around Whenzhou City, the blasting effect on the Middle Wall is stimulated by using the software of ANSYS, which analysis the different vibration effects of the Middle Wall under the different concrete age conditions.
Evaluation of Blasting Influence on the Middle Wall of a Multi-Arch Tunnel
Zhang, Qingbin (author) / Yang, Junsheng (author) / Wu, Congshi (author)
GeoHunan International Conference 2011 ; 2011 ; Hunan, China
2011-05-16
Conference paper
Electronic Resource
English
Blasting , Settlement , Walls , Vibration , Tunnels , Monitoring , Inventories
Evaluation of Blasting Influence on the Middle Wall of a Multi-Arch Tunnel
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