[问答题]地基处理方法一般有哪几种,各有什么特点。

参考答案： (1)机械压实法:通过提高其密实度,从而提高其强度,降低其压缩性。 (2)强夯法:施工时振动大、噪声大,对附近建筑物的安全和居民的正常生活有影响。 (3)换土法:是将天然弱土层挖去,分层回填强度较高,压缩性较低且无腐蚀性的砂土、素土、灰土、工业废料等材料压实或夯实后作为地基垫层。 (4)振冲法:主要适用于处理松软砂类土、素填土、杂填土、湿陷性黄土等。.

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