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A deep foundation pit cage core bag anti-floating bolt internal force monitoring equipment and its use method

An anti-floating anchor and monitoring equipment technology, applied in infrastructure engineering, infrastructure testing, construction, etc., can solve the problems of lack of construction experience, complicated installation, staying in the anchor detection stage, etc., to improve authenticity and reliability. Accuracy and the effect of preventing pressure leakage

Active Publication Date: 2022-05-13
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cage core anti-floating anchor is still a new type of anchor, and there are still many problems in the application process, such as immature anchor technology, unsystematic theory and lack of construction experience. In addition, anti-floating anchors at home and abroad The internal force research mainly stays at the stage of bolt detection, and the research on the internal force of anti-floating bolts is mainly through the installation of vibrating wire strain gauges on the steel bars, and the cables are transmitted to the data processing center, which is a wired way to monitor the changes in the internal force of the bolt. This method has the advantages of complicated installation, high cost, difficult maintenance, and great influence from the environment. Therefore, engineering applications are limited, and there is less monitoring of internal force changes in a long-term range after the anti-floating anchor works.

Method used

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  • A deep foundation pit cage core bag anti-floating bolt internal force monitoring equipment and its use method
  • A deep foundation pit cage core bag anti-floating bolt internal force monitoring equipment and its use method
  • A deep foundation pit cage core bag anti-floating bolt internal force monitoring equipment and its use method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] refer to Figure 1-4 , a deep foundation pit cage core anti-floating anchor internal force monitoring equipment, including a foundation cushion 1, a cage core anti-floating anchor body 2 and a pad 7, the top outer wall of the foundation cushion 1 is perforated, and the cage The core capsule anti-floating anchor body 2 is inserted into the inner wall of the perforation, and the outer wall of each cage core capsule anti-floating anchor body 2 is sleeved with a fixing ring 3, and the fixing ring 3 is located on the lower outer wall and the top of the pad 7 The outer walls are fixedly connected with pull rings 6, and the same wireless tension sensor 5 is placed on the inner walls of the two pull rings 6, and the cushion block 7, the foundation cushion layer 2, the fixing ring 3, the pull ring 6 and the wireless tension sensor 5 are arranged, When monitoring the internal force of the cage core anti-floating anchor body 2, the cage core anti-floating anchor body 2 is placed i...

Embodiment 2

[0032] refer to Figure 1-4 , the outer wall of the bottom of the waterproof cover 10 is fixedly connected with buffer springs 11 equidistantly, and the outer walls of the bottom of a plurality of buffer springs 11 are fixedly connected with the same No. Board 12 and No. 2 waterproof board 14, when monitoring the internal force of the cage core bag anti-floating anchor body 2 through the wireless tension sensor 5, the water body below the foundation cushion 1 is blocked by the waterproof cover 10 to prevent the water body from overflowing and causing pressure leakage. At the same time, when the No. 1 waterproof board 12 and the No. 2 waterproof board 14 squeeze the buffer spring 11, the elastic potential energy of the buffer spring 11 reduces the extrusion force, reducing the pressure of the water body on the installation stability of the waterproof cover 10. influence, improve the stability of the waterproof cover 10 during use, and at the same time, when the height adjustmen...

Embodiment 3

[0035] Embodiment 3: A method for using the internal force monitoring equipment of the cage core bag anti-floating anchor rod in a deep foundation pit, comprising the following steps: when monitoring the internal force of the cage core bag anti-floating anchor rod body 2, the cage core bag anti-floating anchor rod The body 2 is placed inside the base cushion 1, and each wireless tension sensor 5 is placed inside the corresponding two pull rings 6, and the internal force of the cage core anti-floating anchor body 2 is monitored through the wireless tension sensors 5, and the wireless tension sensor 5 is used to monitor the internal force of the anti-floating anchor body 2 of the cage core. Sensing technology acquisition records the collected on-site data according to the frequency, which is convenient for subsequent data integration processing. The data obtained by the anti-floating bolt body 2 located in different cage cores may be different, so as to improve the authenticity an...

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Abstract

The invention discloses a deep foundation pit cage core bag anti-floating bolt internal force monitoring equipment and a method of use, comprising a foundation cushion, a cage core bag anti-floating bolt body and a cushion block, and the top outer wall of the foundation cushion is provided with a The hole is perforated, and the anti-floating bolt body of the cage core is inserted into the inner wall of the perforation. The present invention is provided with pads, foundation cushions, fixing rings, pull rings and wireless tension sensors, and when monitoring the internal force of the anti-floating anchor body of the cage core bag, the body of the anti-floating anchor rod of the cage core bag is placed on the foundation pad Inside the layer, each wireless tension sensor is placed inside the corresponding two pull rings, and the internal force of the anti-floating anchor rod body of the cage core is monitored through the wireless tension sensor, and the collected field data is collected according to the frequency by using wireless sensing technology. Recording is convenient for subsequent data integration processing. The data obtained by the anti-floating anchor body located in different cage cores may be different, which improves the authenticity and accuracy of the collected data.

Description

technical field [0001] The invention relates to the technical field of internal force monitoring of anti-floating anchor rods in deep foundation pits, in particular to a device for monitoring internal force of anti-floating anchor rods in deep foundation pit cage core capsules and a method for using them. Background technique [0002] With the rapid development of my country's economy, the urbanization rate continues to increase, and the urban population continues to rise. In the case of limited available land resources, people pay more and more attention to the development and utilization of underground space, and urban buildings continue to develop in the direction of two poles. , the floors are getting higher and higher, and the underground buildings are constantly deepening. It has become an inevitable trend to make full use of the underground space. At the same time, this also poses a big problem for the anti-floating of deep foundation pit basements. [0003] In recent ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D33/00E02D5/74E02D31/12
CPCE02D33/00E02D5/74E02D31/12E02D2600/10E02D2600/30
Inventor 段占立路希鑫刘成波孙忠倪崔楠
Owner CHINA MCC17 GRP