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Experimental Verification of Seismic Bearing Capacity of Near-slope Footings Using Shaking Table Tests
Monotonic and shaking table tests are performed using strip footings placed near a model slope. Test results indicate that footing restraint conditions affect the seismic response of near-slope footings, in terms of amplification factor and critical peak ground acceleration (PGA). The theoretical seismic bearing capacity correction factor (ηγe) vs. seismic coefficient (kh) relationships based on pseudo-static methods are in good agreement with the experimental values of ηγe provided that correction factors for load inclination, load eccentricity, footing set-back are accounted for. Furthermore, a correct empirical relationship between kh and PGA is vital in applying theoretical ηγe in earthquake engineering practices.
Experimental Verification of Seismic Bearing Capacity of Near-slope Footings Using Shaking Table Tests
Monotonic and shaking table tests are performed using strip footings placed near a model slope. Test results indicate that footing restraint conditions affect the seismic response of near-slope footings, in terms of amplification factor and critical peak ground acceleration (PGA). The theoretical seismic bearing capacity correction factor (ηγe) vs. seismic coefficient (kh) relationships based on pseudo-static methods are in good agreement with the experimental values of ηγe provided that correction factors for load inclination, load eccentricity, footing set-back are accounted for. Furthermore, a correct empirical relationship between kh and PGA is vital in applying theoretical ηγe in earthquake engineering practices.
Experimental Verification of Seismic Bearing Capacity of Near-slope Footings Using Shaking Table Tests
DrHuang, Ching-Chuan (author)
Journal of Earthquake Engineering ; 26 ; 162-191
2022-01-02
30 pages
Article (Journal)
Electronic Resource
English
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