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A kind of frame structure building grouting reinforcement lifting method

A technology of grouting reinforcement and frame structure, which is applied in the direction of construction and infrastructure engineering, etc., can solve the problems of uneven expansion force, secondary damage of buildings, difficult control of lifting height and speed, etc., so as to avoid subsidence again, Avoid secondary damage and respond in a timely manner

Active Publication Date: 2022-04-29
BEIJING HENGXIANG HONGYE FOUND REINFORCEMENT TECH CO LTD
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  • Description
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  • Application Information

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Problems solved by technology

However, due to the uneven expansion force generated by polyurethane foam, the lifting height and speed are not easy to control, and the lifting process is likely to cause secondary damage to the building.

Method used

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  • A kind of frame structure building grouting reinforcement lifting method
  • A kind of frame structure building grouting reinforcement lifting method
  • A kind of frame structure building grouting reinforcement lifting method

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Embodiment Construction

[0047] The present invention will be further described in detail with reference to the accompanying drawings.

[0048] A grouting reinforcement lifting method for frame structure building, refer to Figure 1 and Figure 2 , which is a schematic plan view of a frame structure building related to the present invention. An independent foundation 1 is arranged under a vertical column 2. In the figure, the numbers s1, s2(s2'), s3(s3') and s4 are the vertical columns 2 to be lifted, and the settlement of s1 is the largest. Figure 1 It means that the corner of the building is the largest settlement, Figure 2 It indicates that the column 2 with the largest settlement of the building is in the middle of one side of the building.

[0049] The grouting reinforcement lifting method comprises the following steps:

[0050] S1, arranging measuring points: respectively setting measuring points at the positions corresponding to each column 2 on the building, and calculating the average value H of th...

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Abstract

The invention relates to a method of grouting reinforcement and lifting of a frame structure building. As the reference value, the point greater than the reference value is taken as the lifting point, the maximum settlement point is s1, and the measuring point close to the average value h and closest to s1 is used as the reference zero point s0; the lifting hole is arranged: the position corresponding to the lifting point outside the building Set the lifting hole; determine the lifting height: set the design lifting height of s1 to d, d is less than h1, and then set the connection line between s0 and s1 level as the final level line k0 after lifting; grouting lifting: the lifting principle is from the settlement Pressure grouting is used to raise the soil layer at the bottom of the column from the area with a large amount of settlement to the area with a small amount of settlement. The invention not only reinforces the foundation of the building, but also realizes the lifting and leveling of the building, and has the advantages of controllable lifting speed, high stability and small disturbance.

Description

Technical field [0001] The invention relates to the technical field of grouting lifting of buildings, in particular to a grouting reinforcement lifting method of a frame structure building. technical background [0002] The building is a frame structure, and the frame structure refers to a structure which is formed by connecting beams and columns by rigid connection or hinge connection, and constitutes a load-bearing system, that is, a frame composed of beams and columns can jointly resist the horizontal load and vertical load in use, and the walls of the building of the structure are not load-bearing, but only play the role of enclosure and separation. Generally, the foundation form of the frame structure is an independent foundation, and a ground beam is arranged at the bottom of the frame structure as a support. Due to the reasons of building survey, design, construction or bad weather, the building will sink due to insufficient foundation strength. When the building settles, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D35/00
CPCE02D35/005
Inventor 崔学栋吴继光崔腾跃
Owner BEIJING HENGXIANG HONGYE FOUND REINFORCEMENT TECH CO LTD
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