建筑结构学报2012，Vol.33Issue(6)：77-85,9.
钢筋混凝土Z形截面双向压弯柱抗震性能试验研究
Experimenta1 study on seismic behavior of Z-shaped reinforced concrete columns subjected to biaxial bending and axial compression
摘要
Abstract
In order to study the seismic performance of Z-shaped reinforced concrete columns,cyclic loading tests were carried out on nine 1/2 reduced-scale specimens and monolithic loading tests on two specimens.The effect of axial compression ratio（n=0.30,0.45）,lateral loading direction（α=0°,45°,90°,135°）,web depth-thickness ratio（3∶ 1,4∶ 1） and strength of the longitudinal bars（HRB400,HRB500） were studied.And the failure characteristics,mechanical behaviors of Z-shaped section columns such as the loading-displacement hysteretic loops and skeleton curves,load bearing capacity and displacement ductility were analyzed.The experimental results indicate that the major failure made of the tested column is flexural failure,and the destruction mainly occurs at the mid-span cross-section which parallels the force direction.The hysteretic loops of Z-shaped section columns are symmetric and plump.The specimens have good ductility,indicating excellent seismic behavior.A computer program aiming at obtaining the bearing capacity of Z-shaped columns under axial compression and biaxial bending was compiled.The analytical results are in good agreement with the test results.关键词
钢筋混凝土Z形截面柱/双向压弯/拟静力试验/非线性分析/抗震性能Key words
Z-shaped section RC column/biaxial bending/quasi-static test/nonlinear analysis/seismic behavior分类
建筑与水利引用本文复制引用
崔钦淑,杨俊杰,王启文,许贻懂,康谷贻..钢筋混凝土Z形截面双向压弯柱抗震性能试验研究[J].建筑结构学报,2012,33(6):77-85,9.基金项目
国家自然科学基金项目 （）
住房和城乡建设部项目《混凝土异形柱结构技术规程》 （）
