CAJ | 학술논문

提出了古木结构建筑采用基于位移的抗震加固方法,通过限制水平地震作用下结构的最大侧移和最大滑移而防止结构倒塌,其中最大侧移限值由结构的最大水平惯性力及其自身抗倾覆条件确定,最大滑移限值为柱基础半径.根据最大侧移限值并考虑古木结构建筑的特殊性,确定了在罕遇地震作用下的目标位移角及相应的目标刚度.最后分析了构架刚度下对古木结构建筑侧移和滑移的影响.认为适当加大刚度对建筑是有利的.研究结果可为古木建筑的抗震加固提供科学依据.
제출료고목결구건축채용기우위이적항진가고방법,통과한제수평지진작용하결구적최대측이화최대활이이방지결구도탑,기중최대측이한치유결구적최대수평관성력급기자신항경복조건학정,최대활이한치위주기출반경.근거최대측이한치병고필고목결구건축적특수성,학정료재한우지진작용하적목표위이각급상응적목표강도.최후분석료구가강도하대고목결구건축측이화활이적영향.인위괄당가대강도대건축시유리적.연구결과가위고목건축적항진가고제공과학의거.
Displacement-based seismic strengthening method for Chinese ancient timber buildings (CATB) is proposed to prevent collapse, which is for limiting the maximum lateral displacement and sliding displacement of the building under horizontal earthquake. The maximum limited lateral displacement is based on the maximum horizontal inertia force and turning moment resistance capacity of the building, and the radius of plinth of the building is specified as the maximum limited sliding displacement. The target displacement angle and target rigidity are defined according to the maximum limited lateral displacement and the peculiarity of CATB. The influence of stiffness of the building to the lateral displacement and sliding displacement is analyzed, and the result shows that it is benefit to CATB to appropriately increase the lateral stiffness. It provides theoretical base for the seismic strengthening of CATB.