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Grouting reinforcement and rectification method suitable for high-rise building structure

A technology of grouting reinforcement and high-rise buildings, which is applied in construction, infrastructure engineering, etc., and can solve problems such as foundation damage

Active Publication Date: 2017-12-05
BEIJING HENGXIANG HONGYE FOUND REINFORCEMENT TECH CO LTD
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Problems solved by technology

[0007] The main purpose of the present invention is to provide a grouting reinforcement correction method suitable for high-rise building structures, so as to solve the problem that the building foundation uplift and correction technology in the prior art is likely to cause secondary settlement damage to the original foundation

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  • Grouting reinforcement and rectification method suitable for high-rise building structure
  • Grouting reinforcement and rectification method suitable for high-rise building structure

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Embodiment Construction

[0024] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0025] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0026] In the present invention, unless stated otherwise, the used orientation words such as "upper, lower, top, bottom" are usually for the directions shown in the drawings, or for the parts themselves in the vertical, In terms of vertical or gravitational direction; similarly, for the convenience of understanding and description, "inner and outer" re...

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Abstract

The invention provides a grouting reinforcement and rectification method suitable for a high-rise building structure. The method comprises the steps from S10 to S30, wherein in the step S10, grouting filling reinforcement is conducted on an original cushion layer under an original concrete valve plate, and the original cushion layer and grout are solidified to form a cushion layer reinforcement and strengthening layer; in the step S20, after the cushion layer reinforcement and strengthening layer is formed, grouting filling reinforcement is carried out on an original foundation under the original cushion layer, and the original foundation and grout are solidified to form a foundation reinforcement platform; in the step S30, after the foundation reinforcement platform is formed, a plurality of pile foundation grouting holes are vertically formed in the lower surface of the foundation reinforcement platform at intervals, grout is injected into the pile foundation grouting holes to form an under-column pile foundation. The cushion layer reinforcement layer, the foundation reinforcement platform and the under column pile foundation form a three-dimensional supporting system in the mode that the layers are reinforced layer by layer from top to bottom; the purpose of building foundation reinforcement and lifting rectification integration is achieved, and the problems that a building is not uniform in settlement and a rectification foundation is lifted are successfully solved.

Description

technical field [0001] The invention relates to the technical field of building foundation reinforcement and deviation correction, in particular to a grouting reinforcement deviation correction method suitable for high-rise building structures. Background technique [0002] In order to prevent accidents such as settlement, inclination or even collapse after the building is completed, the underground of the building structure must be rammed and reinforced to form a supporting foundation before the construction of the upper housing structure. For example, the basic composition of the supporting foundation for the current high-rise frame building is as follows: the original foundation is first formed by the dynamic compaction method, then a sandstone cushion is laid on the upper surface of the original foundation, and finally a concrete valve plate is laid on the top of the sandstone cushion. However, in some cases, although the soil layer has been subjected to dynamic compacti...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D35/00
CPCE02D35/005E02D2250/003
Inventor 崔学栋吴继光崔腾跃
Owner BEIJING HENGXIANG HONGYE FOUND REINFORCEMENT TECH CO LTD
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