【摘要】 在原建筑物上采用轻型钢结构加层时,不只进行轻型钢结构本身的设计,还应考虑因加层所引起的原建筑物构件内力变化以及使用功能变化。论述了加层轻型钢结构中需对屋顶板、承重结构、地基及基础、抗震设计、消防通道、消防设施及施工荷载等进行校核;同时对原建筑物结构现状评估、履行建筑设计审批程序、设计任务委托等问题提出建议。更多还原

【Abstract】 It is necessary not only to do the design of the light steel structure itself,but also to consider the changes in inner forces and functions of the existing building when the story-adding of a light steel structure will be used for an existing building.It is described the checks of the light steel structure on roof plate,bearing structure,foundation,aseismic design,fire passage and equipments,as well as construction load etc;meanwhile,it is proposed that suggestions on evaluation of status of the original structure,performance of building design approval procedure,and design entrustment etc.更多还原