Abstract:The lateral resistance of column in traditional timber structure is of great importance to the integral stability of the timber structure. Three full-scale column models based on Ying-tsao-fa-shih were established to study the lateral resistance of column considering the effect of height-diameter ratio. Mechanical characteristics like hysteretic curve, skeleton curve, lateral stiffness and stiffness degradation law were investigated through quasi static test considering the effect of height-diameter ratio. The results show that ‘rocking’ occurs to the column under repeated loads. Hysteresis curve with S-shape has pinch effect and the column has good lateral resistance under small lateral deformation. The lateral stiffness decreases with the lateral displacement. Degradation of stiffness is non-linear with fast speed at fist and low speed at last. The energy dissipation capacity, lateral resistance capacity and ductility of the column would become higher with smaller height-diameter ratio. The effect of height-diameter ratio on the stiffness decreases with the displacement. A simplified model is proposed according to the experimental results containing four stages which are elastic, yield, platform and degradation, which can provide reference for the analysis on resistance capacity of the whole structure.
贺俊筱 王娟 杨庆山 . 考虑高径比影响的木结构柱抗侧能力试验研究[J]. 土木工程学报, 2018, 51(3): 27-35.
He Junxiao Wang Juan Yang Qingshan. Experimental study on lateral resistance capacity of column in traditional timber structures considering effects of height-diameter ratio. 土木工程学报, 2018, 51(3): 27-35.