NUMERICAL EVALUATION FOR SEISMIC PERFORMANCE OF REINFORCED CONCRETE BRIDGE PIERS USING DYNAMIC LATTICE MODEL

Published on May 20, 2002in Doboku Gakkai Ronbunshu
· DOI :10.2208/JSCEJ.2002.704_151
Tomohiro Miki4
Estimated H-index: 4
,
Junichiro Niwa10
Estimated H-index: 10
,
Manakan Lertsamattiyakul1
Estimated H-index: 1
Source
Abstract
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A stress‐strain model is developed for concrete subjected to uniaxial compressive loading and confined by transverse reinforcement. The concrete section may contain any general type of confining steel: either spiral or circular hoops; or rectangular hoops with or without supplementary cross ties. These cross ties can have either equal or unequal confining stresses along each of the transverse axes. A single equation is used for the stress‐strain equation. The model allows for cyclic loading and ...
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In the current seismic design practice, capacity design of slender Reinforced Concrete (RC) wall piers without enlarged boundary elements and on shallow footing considers plastic hinge to occur at the base along with prevention of other modes of failure during strong earthquake shaking. However, the re-entrant corner of wall pier-footing junction makes it vulnerable to significant damages during strong earthquake shaking. This may require costly seismic retrofitting of bridge footing after every...
#1Tomohiro Miki (TITech: Tokyo Institute of Technology)H-Index: 4
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This study attempts to expand the application of the conventional 2D lattice model, which can express the shear resisting mechanism of RC structural members, to a 3D analytical model. Use of a 3D lattice model for the simulation of torsional and biaxial responses of RC structural members is presented. The results of static analysis are compared with several sets of experimental results for RC beams/columns subjected to pure torsion or cyclic combined loads of torsion and bending. In addition, th...
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