| The author in this p~er discusses the soft foundation improvement under the highway and the practice of all kinds of composite foundations in Hanin province deeply analyzes the suitable conditions of various soft foundation tre~rnent method in quality ,designs the composite foundation of the soft ground improvement under the highway in the east of Hainai province in quantity ,According to some in-situ test ,the paper proves the reasonableness of the design parameters ,and arrives at the conclusion that the pile-soil tress ratio ,the quasi-modulus of the soil and the pile are constant white the time changes. The conclusion Will give a good guidance to the design of the pile composite foundation. |
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