在工程抗震设计中，上部结构嵌固位置的确定是设计的出发点，而同一结构单元的不等高嵌固问题长期困扰设计人员。

The solid end of the structure is the starting point of seismic design, and the structure with varied solid ends is a puzzled problem for engineers.

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带地下室高层结构的嵌固端选择是否合理，直接影响到工程造价，结构的安全性等。

How to choose the partial fixing of the tall-building with basement is very important which will affect the cost, structure security and so on.

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随着桩身嵌固深度的增大，桩身位移减小，当嵌固深度达到一定程度时，其变化对支护结构的影响很小。

Along with the increase of pile mounted depth, the pile displacement decreases. But when the mounted depth come to a certain value, the change of depth has little impact on retaining structure.

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