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Method for embedding anchor bars in concrete

A technology of concrete and anchor bars, which is applied in the direction of construction and building construction, can solve the problems of low construction efficiency, increased construction cost, and large formwork loss, and achieve the effects of improving construction efficiency, avoiding grout leakage, and small construction interference

Inactive Publication Date: 2016-06-15
POWERCHINA HUADONG ENG COPORATION LTD
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Problems solved by technology

When a large number of anchor bars are buried, the construction efficiency of this method is low, and the loss of formwork is large. Especially in the construction of water conservancy and hydropower projects, in order to improve the quality and efficiency of concrete pouring, large-scale custom-made steel formwork is widely used, and formwork openings cause The formwork loss will greatly increase the construction cost

Method used

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  • Method for embedding anchor bars in concrete
  • Method for embedding anchor bars in concrete

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Embodiment Construction

[0012] The method for pre-embedding anchor bars in concrete in this embodiment specifically comprises the following steps:

[0013] 1. If figure 1 As shown, when the anchor bar is pre-embedded, the anchor bar is disconnected, and it is divided into two phases. First, the first-stage anchor bar 2 is threaded with the straight thread sleeve 3, and the other end of the sleeve is attached to the formwork 4, and the sleeve The interior (the part not matched with the anchor bar) is filled with cotton fabric (gauze or cotton cloth or both) to prevent the grout from entering the sleeve during concrete pouring;

[0014] 2. Embed the first-stage anchor bar 2 connected with the straight thread sleeve 3 into the first-stage concrete 1;

[0015] 3. After the first-phase concrete 1 is poured and the template 4 is removed, take out the cotton fabric filled in the straight thread sleeve 3;

[0016] 4. Screw the second-stage anchor bar 5, such as figure 2 As shown, at this time, the anchor...

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Abstract

The invention relates to a method for pre-embedding anchor bars in concrete. The purpose of the present invention is to provide a brand-new method for pre-embedding anchor bars in concrete. The method does not need to dig holes in the formwork, thereby reducing formwork loss, improving work efficiency and reducing construction costs. The technical solution of the present invention is: a method for pre-embedding anchor bars in concrete, which is characterized in that it includes the following steps: 1. Screw the first-stage anchor bar with a straight thread sleeve, and the other end of the sleeve is close to the Formwork, the inside of the sleeve is filled with cotton fabric; 2. Embed the first-stage anchor bar connected with the straight thread sleeve into the first-stage concrete; 3. After the first-stage concrete pouring is completed and the formwork is removed, take out and fill in the straight thread sleeve Cotton fabric inside; 4. Threaded connection to the second-stage anchor bar. The invention is suitable for pre-embedding anchor bars in concrete pouring of water conservancy and hydropower projects, construction projects and other similar projects.

Description

technical field [0001] The invention relates to a method for pre-embedding anchor bars in concrete. It is mainly used for pre-embedded anchor bars in concrete pouring of water conservancy and hydropower projects, construction projects and other similar projects. Background technique [0002] In water conservancy and hydropower projects and construction projects, it often involves pre-embedding anchor bars in concrete. A part of the anchor bars is buried in the first-stage concrete and poured together with the first-stage concrete, and the other part protrudes from the first-stage concrete, and later poured into the second-stage concrete or Connected with other structures, the anchor bar plays the role of connecting force transmission. The traditional pre-embedded anchor bar construction usually adopts the method of opening holes in the formwork, that is, digging a hole in the formwork position corresponding to the position where the anchor bar needs to be buried, and protru...

Claims

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Application Information

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IPC IPC(8): E04B1/41
CPCE04B1/4164
Inventor 朱少华邓渊李军蔡建国张志鹏
Owner POWERCHINA HUADONG ENG COPORATION LTD
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