【摘要】 在地震中,房屋结构间的碰撞是一种常见的震害,相邻结构高度相差较大时碰撞后果更为严重。采用简化的Hertz-damp碰撞模型,对两相邻8层和3层钢筋混凝土框架结构间的地震碰撞进行了数值模拟和参数研究.研究表明:碰撞对结构的位移、柱底剪力都产生了很大影响,并在楼层位置产生很大的碰撞力和加速度脉冲,间隙比和周期比是影响碰撞的两大重要因素.更多还原

【Abstract】 Seismic induced pounding between adjacent structures is the common damage during earthquake.It is even move serious when a great height difference exists between adjacent structures.A simplified Hertz-damp contact model is applied to simulate the seismic pounding between two adjacent 8-story and 3-story reinforced concrete structures,and the parameters are studied.Results show that the seismic induced pounding has great influence on the structural displacement and the shear force on the column bottom.A great pounding force and acceleration pulse can be caused.Results also show that the separation ratio and period ratio are two important facts that affect the pounding.更多还原