高层建筑在地震作用下,因质量与刚度偏心和抗扭刚度太弱引起扭转而产生的震害较大。在结构的概念设计过程中,应重视扭转影响,除应减少周期比外,还应减少相对偏心距。结合工程实例,通过调整结构布置,使1栋周期比超限的三角形平面框支剪力墙高层建筑扭转效应大大减小。 High-rise buildings in the earthquake, due to the mass and stiffness eccentric and torsional stiffness is too weak to cause torsional damage caused by larger damage. In the conceptual design of the structure, attention should be paid to reverse the influence. In addition to reducing the cycle ratio, the relative eccentricity should also be reduced. Combined with the engineering example, by adjusting the structural layout, the torsional effect of a high-rise building with triangular plane frame shear wall exceeding the limit period is greatly reduced.