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Unloading method for construction pillar in building

A structural column and building technology, which is applied to the on-site preparation of building components, building structure, and construction, etc., can solve the problems of difficult construction, inconvenient application of supporting force, and inability to reuse devices, and achieves simple and easy application of force. Effect

Inactive Publication Date: 2014-11-05
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The angle steel support method is widely used in construction, and part or all of the force borne by the columns is borne by the angle steel, but it has the disadvantages of difficult construction and affecting the force of other components of the original structure; the vertical pole support comes from bridge engineering and is an angle steel support. A kind of optimization, the bottom is equipped with a jacking bracket, which can adjust the vertical rod up and down, but there are also disadvantages that the supporting force is not easy to apply, and the device cannot be reused

Method used

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  • Unloading method for construction pillar in building
  • Unloading method for construction pillar in building
  • Unloading method for construction pillar in building

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Unloading methods for structural columns in buildings:

[0049] The first step: install the supporting mechanism: such as Figure 4 As shown, the support mechanism includes four support units: a first support unit 18 , a second support unit 19 , a third support unit 20 and a fourth support unit 21 , and the four support units are arranged obliquely. The upper end plate of the first support unit 18 and the upper end plate of the second support unit 19 are connected to the bottom surface of the first beam 15, and close to the structural column 22 to be unloaded; the lower end plate of the first support unit 18 and the second support unit The lower end plate of 19 is connected on the top surface of the second beam 16; The upper end plate of the third support unit 20 and the upper end plate of the fourth support unit 21 are connected on the bottom surface of the second beam 16; The lower end plate of the third support unit 20 The lower end plate of the fourth support unit ...

Embodiment 2

[0058] Unloading methods for structural columns in buildings:

[0059] The first step: install the supporting mechanism: such as Figure 5 As shown, the support mechanism includes two support units, the first support unit 18 and the third support unit 20 arranged obliquely, the upper end plate of the first support unit 18 is connected to the bottom surface of the first beam 15, and is close to the structure to be unloaded Column 22; the lower end plate of the first support unit 18 is connected to the top surface of the second beam 16; the upper end plate of the third support unit 20 is connected to the bottom surface of the second beam 16, and the lower end plate of the third support unit 20 is connected On the top surface of the third beam 17 ; the lower end plate of the first support unit 18 and the upper end plate of the third support unit 20 are connected at the same position of the second beam 16 .

[0060] The second step: adjust the support mechanism, and apply support...

Embodiment 3

[0068] Unloading methods for structural columns in buildings:

[0069] The first step: install the supporting mechanism: such as Image 6 As shown, the support mechanism includes a support unit of the first support unit 18, the upper end plate of the first support unit 18 is connected to the bottom surface of the first beam 15, and the lower end plate of the first support unit 18 is connected to the top surface of the second beam 16, The first support unit 18 is arranged obliquely, and the upper end plate of the first support unit 18 is close to the structural column 22 to be unloaded, and the lower end plate of the first support unit 18 is close to the adjacent column of the structural column 22 to be unloaded.

[0070] Step 2: Adjust the support mechanism and apply support force to the supporting surface of the structure until the unloading of the structural column is realized: fix the nut 8 on one side of the tension bar 5 of the support unit with a wrench, and rotate the t...

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Abstract

The invention discloses an unloading method for a construction pillar in a building. The unloading method comprises the following steps of: firstly, mounting a supporting mechanism: enabling the construction pillar to be unloaded to be positioned between a first beam and a second beam, arranging a third beam between the second beam and mounting the supporting mechanism besides the construction pillar to be unloaded, wherein the supporting mechanism consists of at least one support unit and the support unit is connected between the first beam and the second beam as well as between the second beam and the third beam or connected between the first beam and the second beam; secondly, adjusting the supporting mechanism and applying a support force to the jacked surface of the structure until the unloading of the construction pillar is realized; and thirdly, reinforcing or displacing the construction pillar: maintaining the support force applied to the jacked surface of the structure by the supporting mechanism until the reinforcing or displacing work of the unloaded construction pillar is finished. According to the unloading method, the load on the construction pillar to be unloaded is fully or partially unloaded to an adjacent pillar or low-layer pillar and safe operation of the subsequent reinforcing or displacing work of the construction pillar to be unloaded is ensured.

Description

technical field [0001] The invention relates to an unloading method for building components, in particular to a method for unloading structural columns in buildings. Background technique [0002] In actual engineering, it is often necessary to strengthen and transform the structure. Due to the existence of the self-weight of the completed building and the existence of the live load at the non-reformed position, the structural column has already borne a large load during the reinforcement and reconstruction. During the transformation process, in order to eliminate the adverse effect on the reinforcement effect caused by the stress lag during the reinforcement of the structural column, or to avoid the insufficient bearing capacity of adjacent components caused by the change of the force transmission path when the structural column is replaced, it is necessary to unload the structural column first Re-enforcing and transforming. At present, the commonly used unloading methods ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G23/02E04G25/04
Inventor 朱虹吴京陈昊阳
Owner SOUTHEAST UNIV