A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Analysis on 3D the Dynamic Pressure Arch Effect around a Mountain Tunnel
The existence of pressure arch of tunnel surrounding rock is while known in engineering. The idea that this pressure arch in surrounding rock is helpful to maintaining tunnel stability is accepted both in engineering and in research. In this paper, variations of surrounding rock stress are investigated by using PFC3D, a concept of dynamic pressure arch in the surrounding rock is proposed, and then the 3D dynamic pressure arch effect around the tunnel is analyzed. The 3D dynamic pressure arch effect will be helpful to judge tunnel stability, choose excavation method in tunneling, accurately determine the loosed load, economically design advancing reinforcement measures and rock bolts.
Analysis on 3D the Dynamic Pressure Arch Effect around a Mountain Tunnel
The existence of pressure arch of tunnel surrounding rock is while known in engineering. The idea that this pressure arch in surrounding rock is helpful to maintaining tunnel stability is accepted both in engineering and in research. In this paper, variations of surrounding rock stress are investigated by using PFC3D, a concept of dynamic pressure arch in the surrounding rock is proposed, and then the 3D dynamic pressure arch effect around the tunnel is analyzed. The 3D dynamic pressure arch effect will be helpful to judge tunnel stability, choose excavation method in tunneling, accurately determine the loosed load, economically design advancing reinforcement measures and rock bolts.
Analysis on 3D the Dynamic Pressure Arch Effect around a Mountain Tunnel
Wang, Chengbing (author) / Wang, Hualao (author)
International Symposium on Systematic Approaches to Environmental Sustainability in Transportation ; 2015 ; Fairbanks, Alaska
2015-07-31
Conference paper
Electronic Resource
English
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