Wood structure cutting column reinforcing construction method

A construction method and technology of wood structure, applied in the direction of building construction, building maintenance, construction, etc., can solve the problem of increasing the load of the main beam, and achieve the effect of ensuring the integrity, improving the mechanical properties of the structure, and ensuring the normal use performance.

Active Publication Date: 2013-09-18
浙江嘉苑园艺景观有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the current house renovation, when the wooden columns need to be pulled out due to the need for use, the load on the main beam will increase significantly. If the main beam is not reinforced, it will obviously not meet the bearing capacity requirements

Method used

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  • Wood structure cutting column reinforcing construction method
  • Wood structure cutting column reinforcing construction method
  • Wood structure cutting column reinforcing construction method

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Embodiment Construction

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

[0031] In order to meet the requirements of use, it is necessary to cut off the middle wooden column of a wooden structure on the top floor of the wooden structure house. The original structure is a two-span wooden beam with a span of 8m. After the central wooden column is cut off, it will become a single-span wooden beam with a span of 16m. The bearing capacity of the original wooden beam cannot meet the requirements. Considering the relevant engineering experience, a reinforced wooden beam with a span of 16m is added above the original main beam, and the main beam and the reinforced wooden beam are tightly connected by external prestressed tie rods and prestressed steel hoops, so that after the middle wooden column is cut off, The load is transmitted to the two wooden side columns through the reinforced wooden beams.

[0032] figure 1 It is a schematic diagram of...

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Abstract

The invention discloses a wood structure cutting column reinforcing construction method. The method is characterized by comprising the flowing construction steps: (1) drilling a slotted hole in a concrete floor slab; (2) stripping off the protective layer of the main reinforcements of the concrete floor slab, welding pre-buried iron pieces to the main reinforcements of the concrete floor slab, and then welding steel steering blocks to the pre-buried iron pieces; (3) stripping off the protective layer of the longitudinal reinforcements of a concrete column, and welding a load-bearing steel plate to the longitudinal reinforcements of the concrete column; (4) cleaning residues on the concrete floor slab, and spraying concrete between the two steel steering blocks below the concrete floor slab; (5) mounting a guide plate in the slotted hole of the concrete floor slab; (6) stretching a pre-stressed steel strand through an electric heating method one day after the spraying of concrete is finished; (7) injecting high-strength cement paste under a high pressure into a pore space after the pre-stressed steel strand penetrates the concrete floor slab; (8) arranging cement mortar as a protective layer at the bottom of the concrete floor slab.

Description

technical field [0001] The invention relates to a concrete floor slab, in particular to a construction method for reinforcing cut columns of a wooden structure. Background technique [0002] With the increasing number of reinforcement and renovation projects, people pay more and more attention to the reinforcement technology of wooden structures, especially because of the increasingly obsolete buildings, technological updates and renovations, and the seismic fortification requirements of buildings. There are factory buildings or civil buildings for reinforcement and transformation. In the current house renovation, when the wooden columns need to be pulled out due to the need for use, the load on the main beam will increase significantly. If the main beam is not reinforced, it will obviously not meet the bearing capacity requirements. This requires structural engineers to strengthen the main beam in this case to meet the bearing capacity requirements. Contents of the inven...

Claims

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Application Information

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IPC IPC(8): E04G23/02
Inventor 罗海军
Owner 浙江嘉苑园艺景观有限公司
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