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Failure Mechanism of Reinforced Concrete Rib Arch Bridge under Near-Fault Earthquakes
A typical reinforced concrete rib arch bridge was chosen to investigate its nonlinear response to near-fault ground motions recorded in 2008 Wenchuan earthquake. Results showed that significant seismic damage may occur, maximum demands were higher for near-fault records having forward directive than far-fault motions, and the rotational capacity of rib plastic hinge is not enough for the large compression force of arch rib. While backward-directivity motions, typically do not exhibit pulse-type motions, only have medium seismic damage to the arch bridge.
Failure Mechanism of Reinforced Concrete Rib Arch Bridge under Near-Fault Earthquakes
A typical reinforced concrete rib arch bridge was chosen to investigate its nonlinear response to near-fault ground motions recorded in 2008 Wenchuan earthquake. Results showed that significant seismic damage may occur, maximum demands were higher for near-fault records having forward directive than far-fault motions, and the rotational capacity of rib plastic hinge is not enough for the large compression force of arch rib. While backward-directivity motions, typically do not exhibit pulse-type motions, only have medium seismic damage to the arch bridge.
Failure Mechanism of Reinforced Concrete Rib Arch Bridge under Near-Fault Earthquakes
Applied Mechanics and Materials ; 90-93 ; 940-945
2011-09-08
6 pages
Article (Journal)
Electronic Resource
English
Failure Mechanism of Reinforced Concrete Rib Arch Bridge under Near-Fault Earthquakes
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