A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Analysis of circular tunnels due to seismic P-wave propagation, with emphasis on unreinforced concrete liners
Abstract A set of closed-form expressions to calculate tunnel liner forces due to compressional seismic P-wave propagation is presented. The results are compared against a state-of-practice method that considers only shear S-waves, and verified against dynamic numerical analyses. Under the realistic assumption of full-slip conditions at the liner-rock mass interface, it is shown that P-waves can lead to significantly higher axial hoop forces compared to S-waves, and can be critical for tunnels bored through areas of irregular topography/geological stratigraphy. The findings are of particular interest for the analysis of unreinforced concrete tunnel liners, where earthquake effects can be a governing factor.
Analysis of circular tunnels due to seismic P-wave propagation, with emphasis on unreinforced concrete liners
Abstract A set of closed-form expressions to calculate tunnel liner forces due to compressional seismic P-wave propagation is presented. The results are compared against a state-of-practice method that considers only shear S-waves, and verified against dynamic numerical analyses. Under the realistic assumption of full-slip conditions at the liner-rock mass interface, it is shown that P-waves can lead to significantly higher axial hoop forces compared to S-waves, and can be critical for tunnels bored through areas of irregular topography/geological stratigraphy. The findings are of particular interest for the analysis of unreinforced concrete tunnel liners, where earthquake effects can be a governing factor.
Analysis of circular tunnels due to seismic P-wave propagation, with emphasis on unreinforced concrete liners
Kouretzis, George P. (author) / Andrianopoulos, Konstantinos I. (author) / Sloan, Scott W. (author) / Carter, John P. (author)
Computers and Geotechnics ; 55 ; 187-194
2013-08-28
8 pages
Article (Journal)
Electronic Resource
English
Cracking of unreinforced concrete linings in the TAG motorway tunnels
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