Combining with coastal coal-fired power plant as an example,the paper introduces the soft soil foundation treatment scheme selection, and mainly describes replacing and immersed-tube sand pile processing soft soil principles and matters,which has provides some guidance for se-lecting various soft soil treatment schemes for similar engineering.%结合某沿海电厂实例，介绍了软土地基处理方案的选择方法，着重阐述了采用换填、沉管砂桩处理电厂桩间软弱土的原则和注意事项，为类似工程选择多种方案处理软土提供了参考。
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