Construction method and structure of assembly anchor rod frame beam

A construction method and sash beam technology, applied in basic structure engineering, excavation, sheet pile wall and other directions, can solve the problems of casualties of construction personnel, easy occurrence of landslides and falling objects from high places, difficult to control the quality of graded construction projects, etc. The effect of speeding up ergonomics and reducing safety risks

Pending Publication Date: 2020-06-12
中建四局贵州投资建设有限公司
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Problems solved by technology

After the slope is excavated, due to the destruction of the surface soil structure, the risks of landslides and falling objects from heights are particularly prone to occur, which will cause safety risks of construction personnel casualties, and the quality of graded construction projects is not easy to control
Therefore, there are still deficiencies in the existing technology

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  • Construction method and structure of assembly anchor rod frame beam

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Embodiment Construction

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0019] A construction method of an assembled anchor frame lattice beam of the present invention, the method is to decompose the existing integrally poured anchor bolt frame lattice beam into two different prefabricated parts: a cross prefabricated part and a head prefabricated part; the specific construction At the same time, the method of on-site assembly is adopted to improve the slope protection work efficiency, so that the slope protection work effect is close to the slope excavation work efficiency, so as to realize the first-level protection standard requirements of the slope excavation from top to top. Cross prefabrication and head prefabrication can be customized from qualified prefabrication specialized factories. An anchor hole is provided in the middle of the cross prefabricated part, through which the exposed part of the anchor rod...

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Abstract

The invention discloses a construction method and structure of an assembly anchor rod frame beam. The construction method is characterized in that an existing integral cast anchor rod frame beam is decomposed into two different prefabricated parts, namely cross prefabricated parts and sealing head prefabricated parts; during specific construction, the side slope protection working efficiency is improved by adopting a field assembly manner, and the side slope protection working efficiency is close to the side slope excavation working efficiency, so that the specification requirement for simultaneous excavation and protection of a side slop from top to bottom is achieved. According to the method, the prefabricated parts can be concentrated and prefabricated in a professional prefabricated field and then transported to a construction site for assembly construction, and due to the fact that formworks does not need to be erected as in the prior art, pouring of concrete and the time for waiting for the concrete to be consolidated are not needed, the side slope protection working efficiency is greatly improved. Therefore, requirements of side slope protection safety codes are met, the construction of simultaneous excavation and protection can be carried out from top to bottom, and the safety risks of landslides and falling objects to injure people are reduced.

Description

technical field [0001] The invention relates to a construction method and structure of an assembled anchor bar frame beam, belonging to the technical field of roadbed slope protection. Background technique [0002] According to the safety specification for slope protection construction, the first level of protection should be excavated from top to bottom to ensure construction safety. But what the slope protection construction of prior art adopted is the integral pouring type anchor bar frame beam. It is necessary to drill the anchor rod or anchor cable hole on the excavated slope first, then fix the anchor rod or anchor cable in the hole, then support the formwork on the slope, and bind the steel bars in the formwork, and finally use the concrete The pouring method integrates the concrete frame beam with the anchor rod or anchor cable to form an anchor rod or anchor cable frame beam. construction. If the construction is carried out in full accordance with the slope prote...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/20E02D5/76
CPCE02D5/76E02D17/205
Inventor 黎洪安鞠晓鹏唐琪刘烨刘宇张重李康超
Owner 中建四局贵州投资建设有限公司
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