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13.什么是桩基础?桩基础就是用承台或梁将打入土中的桩联结起来成为一个整体,以支承上部结构的重量,见图1。 14.在什么情况下,才能采用桩基础?在天然地基不能满足上部结构的荷载要求时,才能采用桩基础。
13. What is a pile foundation? Pile foundation is the use of pile caps or beams to join the pile into the soil as a whole to support the weight of the superstructure, see Figure 1. 14. Under what circumstances can the pile foundation be used? The pile foundation can only be used when the natural foundation cannot meet the load requirements of the superstructure.