Bidirectional stirring device and composite foundation construction method

A two-way stirring and stirring rod technology, which is applied in the direction of foundation structure engineering, construction, sheet pile walls, etc., can solve the problems of adjusting the stirring diameter, drilling pipe affecting construction efficiency, and poor versatility, so as to reduce foundation settlement and eliminate slurry leakage Phenomenon, the effect of improving bearing capacity

Pending Publication Date: 2022-05-27
SHANDONG LUQIAO CONSTR +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides a two-way stirring device and a composite foundation construction method, aiming to solve the problem that the stirring drill pipe in the prior art is a drill pipe of equal diameter, which can only construct piles of eq

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  • Bidirectional stirring device and composite foundation construction method
  • Bidirectional stirring device and composite foundation construction method
  • Bidirectional stirring device and composite foundation construction method

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Embodiment Construction

[0052] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0053] It should be noted that when an element is referred to as being "fixed to", "fixed" or "fixed" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to", "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is said to be in "communication", it can be in direct communication with another element through a channel, or it can be in indirect communication with another elem

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Abstract

The invention provides a bidirectional stirring device and a composite foundation construction method, and the bidirectional stirring device comprises a drill bit which is provided with a slurry outlet channel penetrating through the axial direction of the drill bit, and a slurry outlet is formed in one end of the slurry outlet channel; the two variable-diameter stirring assemblies are sequentially connected to the side, away from the slurry outlet, of the drill bit in the axial direction of the drill bit, each variable-diameter stirring assembly comprises a drill rod and a stirring unit arranged on the outer wall of the drill rod, the drill rod is provided with an inner channel penetrating through the axial direction of the drill rod, and the inner channel communicates with the slurry outlet channel; the grouting pipe is arranged in the inner channel, and the outlet end of the grouting pipe communicates with the grout outlet channel; the transmission assembly is arranged in the inner channel and used for driving the two drill rods to rotate in the opposite directions. Through the arrangement, on one hand, the stirring diameter of the stirring unit can be adjusted according to construction requirements, the construction time can be saved, and the construction efficiency is improved. And on the other hand, construction of the variable-diameter pile body can be conducted by adjusting the stirring diameter of the stirring unit, the application range is wider, and universality is higher.

Description

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Claims

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Application Information

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Owner SHANDONG LUQIAO CONSTR
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