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A platform for research: civil engineering, architecture and urbanism
Study on Seismic Reinforcement Measure of Mountain Tunnel Cavity
Based on the diseases disposal project of Longmen Tunnel in the Fujian provincial road 206, the seismic reinforcement measure of mountain tunnel cavity was studied in this paper. The seismic stability of the mountain tunnel to deal with the cavity behind the lining was calculated and analyzed under the two common disease reinforcement measures, by using a 3-D finite difference method. And the optimal reinforcement scheme also had been determined. The results show that mortar bolt and cover arch can change the maximum principal stress spectral characteristics of surrounding rock, which is beneficial to the seismic resistance. And the results also show that mortar bolt has slightly effect on the bending moment stress of lining.
Study on Seismic Reinforcement Measure of Mountain Tunnel Cavity
Based on the diseases disposal project of Longmen Tunnel in the Fujian provincial road 206, the seismic reinforcement measure of mountain tunnel cavity was studied in this paper. The seismic stability of the mountain tunnel to deal with the cavity behind the lining was calculated and analyzed under the two common disease reinforcement measures, by using a 3-D finite difference method. And the optimal reinforcement scheme also had been determined. The results show that mortar bolt and cover arch can change the maximum principal stress spectral characteristics of surrounding rock, which is beneficial to the seismic resistance. And the results also show that mortar bolt has slightly effect on the bending moment stress of lining.
Study on Seismic Reinforcement Measure of Mountain Tunnel Cavity
Advanced Materials Research ; 594-597 ; 1830-1835
2012-11-29
6 pages
Article (Journal)
Electronic Resource
English
Study on Seismic Reinforcement Measure of Mountain Tunnel Cavity
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