地震烈度是指地面及房屋等建筑物受地震破坏的程度。 抗震设防烈度，seismic precautionary intensity。一般情况下取基本烈度。但还须根据建筑物所在城市的大小，建筑物的类别、高度以及当地的抗震设防小区规划进行确定。 按国家规定的权限批准作为一个地区抗震设防的地震烈度称为抗震设防烈度。一般情况下，抗震设防烈度可采用中国地震参数区划图的地震基本烈度。
场地条件和抗震设防烈度是影响中高层住宅设计和施工的两个重要因素。
Site conditions and seismic fortification intensity are the key factors affecting the design and construction of mid-highrise residential building.
公式反映了抗震设防烈度、场地类型、建筑总高度及地基土条件等影响因素。
The influence factors, such as: the intensity of earthquake, the type of site, the total height of building and the soil condition have been taken into account.
基于场地条件和抗震设防烈度的中高层住宅结构选型优化可用于住宅的初步设计。
Lectotype optimization of mid-highrise residential building based on site conditions and seismic fortification intensity is used for the original design of residential building.
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