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A platform for research: civil engineering, architecture and urbanism
Post-grouting gravel pile composite foundation, post-grouting gravel pile and manufacturing method of post-grouting gravel pile
The invention relates to a post-grouting gravel pile composite foundation, a post-grouting gravel pile and a manufacturing method of the post-grouting gravel pile. Gravel is put in an immersed tube and vibrated to form a pile to make a gravel pile body, a grouting pipe is used for performing post-grouting to press cement mortar into the gravel pile body, and the post-grouting gravel pile is formed. A semi-rigid cushion layer paved with at least one layer of plastic-steel grating in the middle is arranged at tops of a plurality of post-grouting gravel piles arranged at intervals, and roadbed filling is arranged on the semi-rigid cushion layer to form the post-grouting gravel pile composite foundation. The immersed tube is adopted, so that the pile body is continuous and avoids phenomena of necking and pile breaking, pile sinking equipment is simple, the constriction is convenient, and pollution to the surrounding environment during construction is prevented; the post-grouting gravel pile composite foundation is particularly suitable for shallow foundation treatment of soft foundations such as mucky soil, marine clay, sludge and the like, multiple practical problems in the road construction engineering are helped to solve, the cost is saved, the construction period is shortened, the engineering quality is improved, and better prospect is provided.
Post-grouting gravel pile composite foundation, post-grouting gravel pile and manufacturing method of post-grouting gravel pile
The invention relates to a post-grouting gravel pile composite foundation, a post-grouting gravel pile and a manufacturing method of the post-grouting gravel pile. Gravel is put in an immersed tube and vibrated to form a pile to make a gravel pile body, a grouting pipe is used for performing post-grouting to press cement mortar into the gravel pile body, and the post-grouting gravel pile is formed. A semi-rigid cushion layer paved with at least one layer of plastic-steel grating in the middle is arranged at tops of a plurality of post-grouting gravel piles arranged at intervals, and roadbed filling is arranged on the semi-rigid cushion layer to form the post-grouting gravel pile composite foundation. The immersed tube is adopted, so that the pile body is continuous and avoids phenomena of necking and pile breaking, pile sinking equipment is simple, the constriction is convenient, and pollution to the surrounding environment during construction is prevented; the post-grouting gravel pile composite foundation is particularly suitable for shallow foundation treatment of soft foundations such as mucky soil, marine clay, sludge and the like, multiple practical problems in the road construction engineering are helped to solve, the cost is saved, the construction period is shortened, the engineering quality is improved, and better prospect is provided.
Post-grouting gravel pile composite foundation, post-grouting gravel pile and manufacturing method of post-grouting gravel pile
DU CHUANBAO (author) / WEN XUEJUN (author) / BAI YANFENG (author) / TANG TIANHUA (author) / SHI XIAO (author) / LI HONG (author) / HAN MING (author)
2015-06-10
Patent
Electronic Resource
English
IPC:
E02D
FOUNDATIONS
,
Gründungen
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