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1 工程概况 国贸单身公寓位于深圳国贸中心东侧,该建筑地下二层,地上三十五层,东西宽34.8m,南北长48.8m,总高度128.45m,建筑主体结构六层以下为外框内筒,六层以上为筒中筒结构体系,主要通过转换大梁实现体系转换,将六层以下的9m柱距变为3m,8m柱距变为4m。同时,为了有效地承受上部荷载,在转换大梁中又设有劲性钢梁,给施工带来很多困难。
1 Project Overview Guomao Single Apartment is located on the east side of Shenzhen International Trade Center. The building is located on the second floor, with 35 floors above the ground, 34.8m wide from east to west, and 48.8m from north to south. The total height is 128.45m. The main structure of the building is less than 6 stories below the outer frame. In the cylinder, more than six layers are the tube-in-tube structural system. The conversion of the system is mainly achieved through the conversion of the girder. The 9m column spacing below 6 layers is changed to 3m and the 8m column spacing is changed to 4m. At the same time, in order to effectively withstand the upper load, a stiff steel beam is installed in the conversion girder, which brings many difficulties to the construction.