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Method for preparing variable-replacement-rate pile composite foundation
A method for preparing a variable-replacement-rate pile composite foundation is characterized in that a plurality of variable-replacement-rate ground piles are prepared in a foundation soil layer on a set foundation according to the design density, and the variable-replacement-rate pile composite foundation is prepared; the diameters of pile bodies of the variable-replacement-rate ground piles are changed along with the change of the soil layer properties of the foundation; the variable-replacement-rate ground piles include the ground piles composed of high-compressibility soil layer pile body sections and low-compressibility soil layer pile body sections or the ground piles composed of upper low-compressibility soil layer pile body sections, high-compressibility soil layer pile body sections and lower low-compressibility soil layer pile body sections; the diameters of the high-compressibility soil layer pile body sections are larger than those of the low-compressibility soil layer pile body sections; the high-compressibility soil layer pile body sections are located within a high-compressibility soil layer range in the foundation soil layer, and the low-compressibility soil layer pile body sections are located within a low-compressibility soil layer range in the foundation soil layer. The variable-replacement-rate piles are arranged within a certain depth width range below the bottom of the foundation, so that the bearing force of the piles and the composite foundation is greatly improved.
Method for preparing variable-replacement-rate pile composite foundation
A method for preparing a variable-replacement-rate pile composite foundation is characterized in that a plurality of variable-replacement-rate ground piles are prepared in a foundation soil layer on a set foundation according to the design density, and the variable-replacement-rate pile composite foundation is prepared; the diameters of pile bodies of the variable-replacement-rate ground piles are changed along with the change of the soil layer properties of the foundation; the variable-replacement-rate ground piles include the ground piles composed of high-compressibility soil layer pile body sections and low-compressibility soil layer pile body sections or the ground piles composed of upper low-compressibility soil layer pile body sections, high-compressibility soil layer pile body sections and lower low-compressibility soil layer pile body sections; the diameters of the high-compressibility soil layer pile body sections are larger than those of the low-compressibility soil layer pile body sections; the high-compressibility soil layer pile body sections are located within a high-compressibility soil layer range in the foundation soil layer, and the low-compressibility soil layer pile body sections are located within a low-compressibility soil layer range in the foundation soil layer. The variable-replacement-rate piles are arranged within a certain depth width range below the bottom of the foundation, so that the bearing force of the piles and the composite foundation is greatly improved.
Method for preparing variable-replacement-rate pile composite foundation
ZHANG XIANGYU (author) / LIU WEI (author) / WANG SHIXIANG (author) / WANG YUQI (author) / DONG XUEFENG (author)
2015-12-02
Patent
Electronic Resource
English
IPC:
E02D
FOUNDATIONS
,
Gründungen
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