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一、总述民族文化宫建筑面积共30,770m~2。中央部分为十三层,高62.3m,其余则为三至四层建筑,建筑的平面形状如图1,中央高层部分考虑七级烈度的抗震,采用框架結构和整块的箱形基础,并用沉降与相邻低层建筑断开。低层部分为半框架結构,采用单独柱基及带形基础。在勘探设計过程中会经碰到下列問題:1.持力层粉細类土的計算强度的选定;2.如何考虑厚度变化较大的重砂粘土层对地基
First, a summary of the National Cultural Palace construction area of 30,770 m ~ 2. The central part of the thirteen floors, high 62.3m, while the remaining three to four-story building, building the planar shape shown in Figure 1, the central high-level part of the seismic intensity of seven levels, the use of frame structure and the entire box-shaped foundation, and use Subsidence and adjacent low-rise buildings disconnected. The lower part of the semi-frame structure, using a separate base and belt-shaped foundation. In the process of exploration and design, the following problems will be encountered: 1. The calculation of the calculated strength of the bearing soil layer; 2. How to consider the change of the thickness of the heavy sand layer on the foundation