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An abutment pre-embedded anchor positioning system and construction method

A positioning system and construction method technology, applied in construction, bridge construction, bridges, etc., can solve the problems of low work efficiency, heavy adjustment workload, etc., achieve the effect of less consumables, short construction period, and ensure construction quality

Active Publication Date: 2019-02-15
THE 5TH ENG MBEC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of a small number of bolt designs and low precision requirements, generally steel brackets and positioning channel steel are used as positioning brackets for construction, and the positioning of the anchor bolts is adjusted one by one by the construction personnel, but for those with a large number of anchor bolts , For projects with complex layout and very high precision requirements, if the general steel positioning bracket is used, on the one hand, it will not meet the requirements of high anchor positioning accuracy, on the other hand, the work efficiency is low, and the adjustment workload is too large

Method used

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  • An abutment pre-embedded anchor positioning system and construction method
  • An abutment pre-embedded anchor positioning system and construction method
  • An abutment pre-embedded anchor positioning system and construction method

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Embodiment Construction

[0030] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0031] see figure 1 As shown, the embodiment of the present invention provides a kind of abutment pre-embedded bolt positioning system erected on the bridge abutment 4, comprising:

[0032] The positioning support 1 is a space truss formed by a support base plate 12, at least four support columns 11 and several connecting supports 13. The support base plate 12 is arranged in the bridge abutment 4. The theoretical arch axis 6 is parallel, the bottom end of the support column 11 is fixed on the support bottom plate 12, and the top of the support column 11 is provided with a connecting fulcrum 14;

[0033] The anchor positioning box 2 is fixedly connected with the positioning bracket 1 through the connecting fulcrum 14. The anchor positioning box 2 includes two positioning plates 21 arranged parallel to each other. The positioning plates 21 are ...

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Abstract

The invention discloses a positioning system for a pre-embedded anchor bar of an arch support and a construction method applying the system and relates to the field of bridge construction. The system comprises a positioning support, an anchor bar positioning box, an accurate adjustment device and a chain block. According to the construction method for positioning of the pre-embedded anchor bar of the arch support, the engineering schedule is fast, the construction procedure is simple, the construction is safe and the accuracy is high; with the adoption of the positioning system for the pre-embedded anchor bar of the arch support, the cost input is low, the material consumption is small, the mounting is rapid, anchor bars are not required to be adjusted one by one, and anchor bar embedding in the complicated environment can be rapidly performed.

Description

technical field [0001] The invention relates to the field of bridge construction, in particular to an abutment embedded anchor positioning system and a construction method. Background technique [0002] With the development of modern bridge construction technology, the load on the bridge is constantly increasing. Therefore, it is necessary to design a special and complex structure to meet the load-bearing requirements, which leads to more and more difficulty in bridge construction and higher precision requirements. At present, when constructing rigid-concrete joint sections of long-span arch bridges and anchoring large components, it takes a long time to locate the anchor rods and the accuracy is difficult to control. How to quickly and accurately complete the construction of the steel-concrete joint section for anchor bolt positioning has become the focus of attention of bridge engineers. [0003] As a common temporary facility for bridge construction, the positioning brac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 岳万友谢守杰何奈韩井东郑庆华李景伟陈东李梦龙陈长伟叶绍佃刘起园何旭辉王阳程发波
Owner THE 5TH ENG MBEC
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