您现在的位置:建筑结构>> 期 刊>> 2008年>> 第05期>>正文内容
湖北省发改委办公楼加层改造设计
李治
摘 要
(武汉市建筑设计院,武汉 430014)
[摘要]湖北省发改委办公楼原为上世纪80年代初兴建的5层钢筋混凝土框架结构,受业主委托,在不能对基础作加固处理的前提下,将原5层办公楼改造为12层的高层办公楼。设计将层3楼面以上部分全部拆除,保留层3楼面以下结构,并对层3楼面以下框架柱、梁采取加固改造措施,采用钢结构在层3楼面以上加建10层,并在层3~4做了钢结构支撑转换层,将下部6m柱网转换成上部钢结构4m柱网,完全满足了业主的特殊要求。
[关键词]检测;外包式柱脚;全截面湿式外包钢加固;钢结构支撑转换层;?钢结构
Structural adding stories and reconstruction design of Hubei province development and planning commission office building
Li Zhi(Wuhan Architectural Design Institute,Wuhan 430014,China)
Abstract:The Hubei Province Development and Planning Commission office building is originally 5-storey RC frame suructure which is constructed at the beginning of the 80´s. According to the requirement of the owner, under the premise of not making any reinforcement processing to the foundation, the original 5-story office building will be reconstructed to a 12-story high-rise office building. Demolishing 3 floors above, retaining the structure of 3 floors below, reinforces 3 floors below. Then using the steel structure to extend 10 stories above 3 floors, and made the steel brace supporting in storey 3~4 to transform lower 6 meter column nets to the upside 4 meter column nets. The Design meet the owner´s special demands completely.
Keywords:examination; column foot; total cross-section wet steel reinforcement; steel brace transform storey; steel structure
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