Prefabricated hollow pile pipe valve-type pile shoe and construction method thereof

A technology of hollow pile and valve type, which is applied in the direction of sheet pile wall, foundation structure engineering, construction, etc., can solve the problems of wasting time, manpower and material resources, and achieve the effect of increasing the bearing area, reducing resistance and improving bearing capacity

Inactive Publication Date: 2021-02-12
SINOMA SUZHOU CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, it is not easy for the steel wire rope to open the spud shoe in the mud layer, resulting in repeated immersed pipes, wasting time, manpower and material resources

Method used

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  • Prefabricated hollow pile pipe valve-type pile shoe and construction method thereof
  • Prefabricated hollow pile pipe valve-type pile shoe and construction method thereof
  • Prefabricated hollow pile pipe valve-type pile shoe and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0037] Embodiment: a kind of prefabricated hollow pile pipe valve type spud can, such as Figure 1-Figure 3 As shown, it includes a hollow pile tube 1 and a valve assembly, and the valve assembly is located at the lower end of the hollow pile tube;

[0038] The valve assembly includes a plurality of valves 2, a plurality of fixed valves 3, a connecting ring 4 and a wedge-shaped plug 5, and a plurality of the fixed valves and a plurality of the valves are all pierced through the connecting ring, the The end of the fixed valve close to the connecting ring is fixedly connected with the hollow pile tube, and the valve can rotate relative to the hollow pile tube;

[0039] When the fixed valve and the valve are in a natural drooping state, a tapered structure is formed;

[0040] When the wedge-shaped plug moves downward under the action of external force, all the valves rotate outward, the end of the fixed valve close to the connecting ring, the end of the valve close to the connec...

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PUM

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Abstract

The invention discloses a prefabricated hollow pile pipe valve-type pile shoe and a construction method thereof. The prefabricated hollow pile pipe valve-type pile shoe comprises a hollow pile pipe and a valve assembly, and the valve assembly is located at the lower end of the hollow pile pipe; the valve assembly comprises a plurality of valves, a plurality of fixed valves, a connecting ring and awedge-shaped plug, the multiple fixed valves and the multiple valves are connected to the connecting ring in a penetrating mode, the ends, close to the connecting ring, of the fixed valves are fixedly connected with the hollow pile pipe, and the valves can rotate relative to the hollow pile pipe; when the fixed valves and the valves are in a natural drooping state, a conical structure is formed;and when the wedge-shaped plug moves downwards under the action of external force, all the valves rotate outwards, and a circular ring is defined by the ends, close to the connecting ring, of the fixed valves and the ends, close to the connecting ring, of the valves. The prefabricated hollow pile pipe valve-type pile shoe is ingenious in structural design, convenient to operate, easy to use and low in construction cost.

Description

technical field [0001] The invention belongs to the technical field of prefabricated pile sinking pipe construction, and in particular relates to a prefabricated hollow pile pipe valve-type spud can and a construction method. Background technique [0002] my country has a vast territory, and soft soil is widely distributed. There are many complex soft soil foundations in the coastal areas, especially in the Yangtze River Delta. The construction of roads, railways, bridges, etc. in soft soil areas requires reinforcement of soft soil foundations, and pile foundations and their composite foundation technology are the most widely used foundation treatment technologies. [0003] At present, prestressed high-strength concrete pipe piles (PHC piles), prestressed concrete pipe piles (PC piles) and prestressed concrete thin-walled pipe piles (PTC piles) are often used in civil engineering foundation treatment and pile foundations. There are two types of pile sinking techniques: hamm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/72E02D7/00E02D7/20E02D5/44
CPCE02D5/44E02D5/72E02D7/00E02D7/20E02D2200/1678
Inventor 王晓军刘文东尚知宇首云勤
Owner SINOMA SUZHOU CONSTR
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