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Novel dry type welded joint of fabricated concrete continuous beams

A prefabricated and concrete technology, which is applied in the direction of construction and building construction, can solve the problems of poor environmental protection and long construction period, and achieve the effects of convenient construction, cost saving and easy acquisition

Inactive Publication Date: 2018-09-18
NORTHEAST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the wet connection joint has the defects of cast-in-place concrete: long construction period, poor environmental protection, etc.

Method used

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  • Novel dry type welded joint of fabricated concrete continuous beams
  • Novel dry type welded joint of fabricated concrete continuous beams
  • Novel dry type welded joint of fabricated concrete continuous beams

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Experimental program
Comparison scheme
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Embodiment Construction

[0022] In order to make the content of the present invention more comprehensible, further description will be made below in conjunction with the accompanying drawings and specific embodiments.

[0023] Such as Figure 1~6 As shown, the dry welded joints of the prefabricated concrete continuous beam of the present invention are connected by dry joints, and the specific connection method is as follows: first, when the test beam 7 is prefabricated, the steel plates 3 are pre-embedded up and down at the end of the test beam; further, After the test beam 7 is in place, use epoxy resin glue 5 for bonding; further, after the continuous beam 7 meets the strength requirements, use the steel cover plate 4 to splice the pre-embedded steel plates 3 on both sides outside the reserved steel plate 3 ; Further, the pre-embedded steel plate 3 and the steel cover plate 4 are spliced ​​by welding.

[0024] During implementation, the specific steps are as follows:

[0025] ① Determine the secti...

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PUM

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Abstract

The invention discloses a connecting joint of a prefabricated concrete continuous beams and the connecting joint can be used for connecting the joints of a prefabricated frame structure, and belongs to the technical field of fabricated concrete structure in structural engineering. The connecting joint is characterized by comprising a steel covering plate, a pre-buried steel plate, epoxy resin adhesive and reinforced concrete continuous beams, wherein a testing beam is prefabricated in a factory, two prefabricated beam sections are bonded by the epoxy resin adhesive, and after intensity is achieved, the pre-buried steel plate is spliced with the steel covering plate in a welding mode. The welded joint is suitable for prefabricating the concrete fabricated continuous beams structure, and hasthe advantages of being convenient to construct and environment-friendly and saves energy; and the requirement of sustainable development is met.

Description

technical field [0001] The invention relates to a connection node suitable for prefabricated assembled concrete continuous beams, which can be used for node connection of prefabricated assembled frame structures, and belongs to the technical field of assembled concrete structures in structural engineering. Background technique [0002] The main production tasks of prefabricated building structures are completed in the component factory. There is no need to do a lot of work such as binding steel bars, supporting formwork, and pouring concrete on site, which reduces the noise pollution on the construction site, improves the working environment of construction workers, and improves the construction efficiency. Speed ​​and construction efficiency are more guaranteed to the quality of the building. In order to meet the country's sustainable development strategy, improve the scientific and technological content of my country's construction industry, and increase labor productivity...

Claims

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Application Information

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IPC IPC(8): E04B1/21
CPCE04B1/215
Inventor 羌震程东辉王彦松宋超任曼妮潘松刘芬
Owner NORTHEAST FORESTRY UNIVERSITY