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Multifunction pulp stopping plug for anchor rod and its pulp filling adaptor

A technology of grouting joints and grouting stoppers, which is applied in construction, sheet pile walls, foundation structure engineering, etc., can solve problems such as grouting, and achieve the effect of simple grouting, simple structure, and full and uniform grouting

Active Publication Date: 2007-11-14
项小珍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] The invention provides a grout stopper for anchor rods and its special grouting joint to solve the grouting problem when the anchor rod is installed upwards, so that the grouting when the anchor rod is installed upwards is simple and effective, and can ensure full grouting It can also achieve the reliability of the bolt required by the uniform protective layer of the bolt

Method used

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  • Multifunction pulp stopping plug for anchor rod and its pulp filling adaptor
  • Multifunction pulp stopping plug for anchor rod and its pulp filling adaptor
  • Multifunction pulp stopping plug for anchor rod and its pulp filling adaptor

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Embodiment Construction

[0048] A grout stopper 3 as shown in FIG. 1 and FIG. 2 is composed of a flexible outer ring 4 , a hard inner ring 5 with a grouting hole 53 , and a locking member 6 with a longitudinal groove 63 . The flexible outer ring 4 is sleeved on the hard inner ring 5, and the locking part 6 is closely attached to the bell mouth of the hard inner ring 5, so that the grout stopper 3 formed in this way passes through the inner hole 62 of the locking part 6 It is threadedly connected with the surface of the anchor rod body 10 . The longitudinal groove 65 of the locking member 6 communicates with the inner cavity 50 of the hard inner ring 5 and the grouting hole 53 to form a grouting channel.

[0049] The flexible outer ring 4 is an inverted trumpet body with a cavity and the front and rear ends are connected. The front end 42 is small and thin, and the rear end 43 is large and thick. Its front end 42 is a high-elastic thin-layer ring, and the inner surface of the cavity is smooth, and can...

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Abstract

The present invention discloses a slurry-stopping plug. It is formed from hard internal ring, flexible external lantern ring and retaining member. Said invention also provides the concrete structure of the above-mentioned every component. Besides, said invention also provides the slurry-injection joint matched with the slurry-stopping plug.

Description

technical field [0001] The invention belongs to the technical field of geotechnical engineering anchoring and supporting, and relates to a multifunctional grout stopper device for anchor rods and a special grouting joint thereof. The device of the invention is suitable for bolt support of stratum structures in underground engineering, mining engineering, foundation pit and slope engineering and the like. Background technique [0002] In the process of underground engineering, mining engineering, foundation pit and slope engineering involved in geotechnical engineering, in order to prevent the formation from deforming, collapsing or destabilizing and endangering safety, a main support technology for strengthening the formation is to use bolts. The formation is reinforced through the high-strength tensile capacity of the bolt installed in the formation and the dense combination between the bolt and the grouting body around the bolt and the formation to improve the integrity of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/74
Inventor 吴德兴吕志平王勇
Owner 项小珍
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