TY - GEN
T1 - Axial-shear-flexure interaction hysteretic model for RC bridge columns under combined actions
AU - Xu, Shi-Yu
AU - Zhang, Jian
PY - 2010
Y1 - 2010
N2 - This paper proposes a coupled axial-shear-flexure interacting (ASFI) hysteretic model that can capture the nonlinear interactive behavior of RC bridge columns under combined action of shear, bending moment and variable axial load. The model utilizes a novel concept of normalization to parameterize the primary curves at different axial load levels. An axial load independent stress level index at any given ductility is developed to enable the transition between different reloading and unloading branches corresponding to variable axial load levels. The model is able to realistically simulate the pinching behavior, strength deterioration and stiffness softening under combined actions. It is validated against the experimental results of columns subject to varying axial loads and shows good agreement.
AB - This paper proposes a coupled axial-shear-flexure interacting (ASFI) hysteretic model that can capture the nonlinear interactive behavior of RC bridge columns under combined action of shear, bending moment and variable axial load. The model utilizes a novel concept of normalization to parameterize the primary curves at different axial load levels. An axial load independent stress level index at any given ductility is developed to enable the transition between different reloading and unloading branches corresponding to variable axial load levels. The model is able to realistically simulate the pinching behavior, strength deterioration and stiffness softening under combined actions. It is validated against the experimental results of columns subject to varying axial loads and shows good agreement.
UR - http://www.scopus.com/inward/record.url?scp=84867159113&partnerID=8YFLogxK
UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-84867159113&origin=recordpage
M3 - RGC 32 - Refereed conference paper (with host publication)
SN - 9781617388446
VL - 4
SP - 2782
EP - 2791
BT - 9th US National and 10th Canadian Conference on Earthquake Engineering 2010, Including Papers from the 4th International Tsunami Symposium
T2 - 9th US National and 10th Canadian Conference on Earthquake Engineering 2010, Including Papers from the 4th International Tsunami Symposium
Y2 - 25 July 2010 through 29 July 2010
ER -