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1工程概况重庆某厂的机加工车间为二层工业厂房，钢筋混凝土框架结构，挖孔灌注桩基础，屋盖部分采用预应力混凝土雁形板。这是一次新结构的设计尝试，工程于1991年11月动工，1992年2月建成交付使用，收到工期短、造价低的效果。该工程建设面积1289m~2，车间原设计为：底层柱网
1 Project Overview The machine shop of a factory in Chongqing is a two-story industrial plant, a reinforced concrete frame structure, a hole-digging pile foundation, and a prestressed concrete goose board. This was a design attempt for a new structure. The project was started in November 1991. It was completed and put into use in February 1992. It received the effect of short construction period and low cost. The project construction area is 1289m~2, and the original design of the workshop is: the bottom column net