Grouting sleeve and fabricated part

A technology for grouting sleeves and sleeves, which is applied to building components, building reinforcements, structural elements, etc., can solve the problem of inability of steel bars to penetrate, increase the ability to resist shearing force and tensile strength, and improve grouting density. degree, good overall effect

Inactive Publication Date: 2016-08-17
CHINA MINGSHENG DRAWIN TECH INVESTMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the setting of the tapered tube in the above-mentioned grouting sleeve makes the inner diameter of this part suddenly smaller. Because the steel bar has a certain rigidity, it is d

Method used

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  • Grouting sleeve and fabricated part
  • Grouting sleeve and fabricated part
  • Grouting sleeve and fabricated part

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Embodiment Construction

[0049] The present invention will be described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention. In addition, those skilled in the art can make corresponding combinations of features in the embodiments in this document and in different embodiments according to the descriptions in this document.

[0050] Embodiments of the present invention are as follows, with reference to figure 1 with figure 2 , a grouting sleeve, including a sleeve body 1, the sleeve body 1 is provided with a grouting port 2 and an exhaust port 3, one end of the sleeve body 1 is open, and the other end is a connecting end 5, the The inner wall of the sleeve body 1 is provided with a steel petal 8 , the thickness of the steel petal 8 gradually becomes larger from the opening end 4 , and the inner wall of the steel petal 8 is provided with a r...

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Abstract

The invention belongs to the field of building engineering and particularly relates to a grouting sleeve and a fabricated part. The grouting sleeve comprises a sleeve body, wherein a grouting hole and an exhausting hole are formed in the sleeve body; one end of the sleeve body is opened and the other end of the sleeve body is a connection end; a steel section is arranged on an inner wall of the sleeve body; the thickness of the steel section is gradually increased from the opening end to the inside; an inner retractable step is arranged on the inner wall of the steel section. The steel section is arranged so that the whole rigidity of the sleeve body is increased; meanwhile, the wall thickness is reduced under the condition that the outer diameter is the same; a grouting material is added so that grouting is relatively dense; the whole bonding property of a steel bar and the sleeve body is relatively strong. Furthermore, grouted slurry forms a locking structure, which is matched with the inner hollow part of the sleeve and the steel section, in the sleeve body, so that the anchoring reliability of the steel bar is greatly improved; accurate axial control and radial positioning of the can be realized, and positioning precision between the steel bar and the grouting sleeve is guaranteed.

Description

technical field [0001] The invention belongs to the field of construction engineering, in particular to a grouting sleeve and a prefabricated part. Background technique [0002] In the traditional cast-in-place concrete structure, the steel bars are often connected by mechanical connection methods such as lap joints, welded joints or extrusion sleeves. The construction of the steel bar connection is relatively complicated, and the steel bar connection must be completed before pouring the concrete, which cannot The connection of steel bars between prefabricated parts makes it impossible to carry out prefabricated construction. [0003] In the prior art, the steel bar connection between the prefabricated concrete building parts needs to be connected by sleeve grouting. The two connected steel bars are inserted into the metal sleeve and high-performance cement mortar is poured into the gap between the sleeve and the steel bar. After the cement mortar is hardened, the three are...

Claims

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Application Information

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IPC IPC(8): E04C5/18
CPCE04C5/165
Inventor 陈定球俞大有刘斌
Owner CHINA MINGSHENG DRAWIN TECH INVESTMENT CO LTD
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