2）采用深基础时基础底面应埋入液化深度以下的稳定土层中；
3）采用加密法（如振冲振动加密挤密碎石桩强夯等）加固时，应处理至液化深度下界；振冲或挤密碎石桩加固后，桩间土的标准贯入锤击数应符合规定；
4）用非液化土替换全部液化土层；
5）采用加密法或换土法处理时在基础边缘以外的处理宽度应超过基础底面下处理深度的1/2 且不小于基础宽度的1/5.
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