杉木桩处理软弱地基方案选定

　　软弱地基是软土地基。地基处理是根据上部结构对地基的要求加强或改善地基土，提高地基土的承载力，保证地基的稳定性;减少房屋沉降或不均匀沉降;消除湿陷性黄土的湿陷性，提高抗液化能力等。从机械压实到化学加固，从浅部处理到深部处理，从一般松土处理到饱和粘土处理，方法有很多。在实际工程中，对于层数少、轻载的情况，利用杉木桩处理软弱地基的实例很多。

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