High-rise deviation-rectifying static pressure anchor rod pile and broken pile underpinning supporting device and monitoring method thereof

A technology of supporting devices and anchor piles, applied in the test of foundation structure, repair of foundation structure, construction, etc., can solve the problems of inability to effectively control the structural safety state of high-rise buildings, poor structural safety, high accident rate, etc. To achieve the effect of avoiding excessive deviation correction and sinking

Pending Publication Date: 2021-05-07
江苏东南特种技术工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the existing deflection rectification project of high-rise buildings, the deflection rectification of the building is carried out by the forced landing method or the lifting method. During the deflection rectification construction process, it is only through the settlement monitoring, tilt monitoring and crack monitoring outside the building to judge whether the rectification process is reasonable and effect

Method used

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  • High-rise deviation-rectifying static pressure anchor rod pile and broken pile underpinning supporting device and monitoring method thereof
  • High-rise deviation-rectifying static pressure anchor rod pile and broken pile underpinning supporting device and monitoring method thereof
  • High-rise deviation-rectifying static pressure anchor rod pile and broken pile underpinning supporting device and monitoring method thereof

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Embodiment 1

[0049] This embodiment is a kind of high-rise deflection correcting static pressure anchor pile and broken pile underpinning support device, such as Figure 1 to Figure 8 As shown, including the original inclined high-rise building 1, basement floor structure 2, original pile foundation 3, static pressure anchor pile reinforcement structure 4, broken pile underpinning jack structure 5, GPS automatic deviation correction displacement monitoring system 6, structural stress and strain The monitoring network system 7 and the real-time monitoring system 8 of the broken pile underpinning rectification construction are characterized in that: the original pile foundation 3 is arranged under the basement floor structure 2 of the inclined high-rise building 1, and the settlement displacement of the inclined high-rise building 1 is relatively large. On one side, a large number of static pressure bolt pile reinforcement structures 4 are arranged, and a small amount of static pressure bolt ...

Embodiment 2

[0054] This embodiment is the construction monitoring method of the high-rise deflection correcting static pressure anchor pile and broken pile underpinning support device described in Embodiment 1, including the following steps:

[0055] Step 1: Investigate data, use classical total station and theodolite and other measuring instruments to initially measure the tilt displacement state of the inclined high-rise building 1, and use the stress release method to detect the initial stress state of the vertical components of the inclined high-rise building 1 and the basement floor , form the file of the initial state of the inclined high-rise building 1;

[0056] Step 2: on the roof of nearby high-rise buildings, install GPS base station 61, arrange displacement measuring points 62 around the outside of the top of the building, the bottom of the building and the middle position of the building in the inclined high-rise building 1; form a GPS automatic deviation correction displaceme...

Embodiment 3

[0074] This embodiment is a real-time monitoring method for the axial force value of the vertical component of the building deviation correction project. The sensor system monitors the change of the vertical axial force of the vertical structure in the process of building deviation correction in real time, and then adjusts the deviation correction construction process and method in real time. . The sensing system includes vibrating wire strain gauges installed on the vertical components of the building to be corrected, a strain tester for monitoring and recording the strain information of each string strain gauge, and a computer system for collecting the strain information of each string strain gauge , and a civil engineering smart monitoring cloud platform system installed on a computer. The vibrating wire strain gauge monitors the real-time axial force value on the vertical member of the building during the rectification construction process in real time, and after being mon...

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Abstract

The invention discloses a high-rise deviation-rectifying static pressure anchor rod pile and broken pile underpinning supporting device and a monitoring method thereof. More static pressure anchor rod pile reinforcing structures are arranged on the side with large settlement displacement, a small number of static pressure anchor rod pile reinforcing structures and broken pile underpinning jack structures are arranged on the side with small settlement displacement, an original pile foundation, the static pressure anchor rod pile reinforcing structures and the broken pile underpinning jack structures jointly underpin and support an original inclined high-rise building on a basement floor structure, and through lifting adjustment of underpinning jacks, deviation-rectifying construction of the inclined high-rise building is conducted. A broken pile underpinning deviation-rectifying construction real-time monitoring system receives wireless transmission data information of a GPS automatic deviation-rectifying displacement monitoring system and a structural stress strain monitoring network system, parameters of a finite element calculation model are corrected, a reasonable deviation-rectifying construction scheme is formulated, the broken pile underpinning deviation-rectifying construction real-time monitoring system commands forced landing displacement numerical values of the jacks of the underpinning jack structures, and deviation-rectifying construction of the inclined high-rise building is electronically monitored.

Description

technical field [0001] The invention belongs to the field of civil engineering, and in particular relates to a high-rise deflection correcting static pressure anchor pile and broken pile underpinning supporting device and a monitoring method thereof. Background technique [0002] Due to the design and construction of pile foundations of high-rise buildings, accidents of insufficient bearing capacity of pile foundations, excessive settlement of foundations and uneven settlement have occurred frequently, resulting in the inclination of high-rise buildings. After the high-rise building is tilted, due to the high center of gravity of the structure of the high-rise building, its structural center of gravity is unstable, and the inclined high-rise building will generate a secondary additional bending moment on the foundation, which will further aggravate the uneven settlement of the high-rise building. The acceleration of the tilting rate of objects will lead to cracking of the su...

Claims

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Application Information

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IPC IPC(8): E02D35/00E02D33/00E02D37/00E02D27/48
CPCE02D27/48E02D33/00E02D35/005E02D37/00
Inventor 李欣瞳李今保李碧卿姜涛朱俊杰李龙卿郭迎庆淳庆王天奇马江杰谢芬
Owner 江苏东南特种技术工程有限公司
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