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Bridge active deviation rectifying device adjacent to foundation pit and construction method thereof

A technology of correction device and foundation pit, which is applied in the direction of bridges, bridge maintenance, bridge reinforcement, etc., can solve the problems of not being suitable for bridges adjacent to foundation pits, lack of correction devices for bridges adjacent to foundation pits, etc., to ensure overall displacement and effective The effect of correcting deviation, improving flexibility and versatility, and improving installation convenience

Active Publication Date: 2021-04-13
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In summary, the current bridge deflection correction devices have problems in construction convenience and monitoring accuracy, and cannot be well applied to bridges adjacent to foundation pits, and there is a lack of bridge deflection correction devices specifically for adjacent foundation pits

Method used

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  • Bridge active deviation rectifying device adjacent to foundation pit and construction method thereof
  • Bridge active deviation rectifying device adjacent to foundation pit and construction method thereof
  • Bridge active deviation rectifying device adjacent to foundation pit and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Such as figure 1 , 2 Shown is the bridge active correction device adjacent to the foundation pit of the present invention. Wherein, the support structure system of the foundation pit is composed of a support 11 , a waist beam 13 , a foundation pit retaining structure 17 and a local reinforcement module 1 . Such as image 3 , 4 As shown, the foundation pit retaining structure 17 is usually made up of the foundation pit enclosure structure 14 and the crown beam 12, sometimes the crown beam 12 is not needed. The local reinforcement module 1 is composed of transverse reinforcement steel beams 15 and vertical reinforcement steel plates 16 . The first transverse reinforcing steel beam 15 is arranged between the first supports 11 of the foundation pit, and the last two transverse reinforcing steel beams 15 are respectively arranged on the upper and lower surfaces of the waist beam 13 . One side flange of the transversely reinforced steel beam 15 is fixed to the vertically...

Embodiment 2

[0064] Such as Figure 16 As shown, the main difference between this embodiment and Embodiment 1 is that the usage scenarios are different. In this embodiment, there is an angle between the foundation pit and the main load-bearing block 33 of the cap hoop 8, and intelligent The jack 23 can effectively apply loads. Even when there is an angle between the foundation pit and the main bearing block 33 of the cap hoop 8, the device can still be used to correct the deviation, so that the device can adapt to various positional relationships between the foundation pit and the bridge. match.

Embodiment 3

[0066] Such as Figure 17 , 18 As shown, the main difference between this embodiment and Embodiment 1 is that the caps 6 are convex or other sizes and shapes, and can be adapted to caps 6 of different sizes and shapes through the flexible arrangement of the standard block 34 and the corner block 35, greatly Improve the versatility of the device.

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Abstract

The invention discloses a bridge active deviation rectifying device adjacent to a foundation pit and a construction method of the bridge active deviation rectifying device. The bridge active deviation rectifying device comprises a local reinforcing module used for reinforcing a soil retaining structure of the foundation pit, a servo module used for providing deviation rectifying loads, a force transmission module used for transmitting the loads, a bearing platform hoop and a monitoring module used for bridge monitoring. A series of problems of deviation rectification of a bridge structure close to the edge of a foundation pit are solved in a targeted mode, the device can adapt to variables such as the relation between different relative positions and distances between the foundation pit and a bearing platform and the size and shape of the bearing platform, deviation rectification loads can be effectively and evenly transmitted to the bearing platform, and a complete assembly type universalization device is formed; and a brand-new thought is provided for deviation rectification of the bridge adjacent to the foundation pit. In addition, due to the modular design of the device, on-site rapid installation and use can be achieved, and an effective solution is provided for bridge structure safety protection, emergency rescue and the like.

Description

technical field [0001] The invention relates to the technical field of bridge deviation correction, in particular to an active deviation correction device for a bridge adjacent to a foundation pit and a construction method thereof. Background technique [0002] With the progress of urbanization, more and more foundation pit constructions appear around the existing bridges. As for the bridge structure, caps and bridge piles are important components for the bridge to support the structural load on the upper part of the bridge and ensure the normal and safe operation of the bridge. If the deviation is not corrected in time, the bridge will continue to tilt, and even affect the safety of the bridge structure and operation. [0003] Although the existing bridge deviation correction devices can effectively solve bridge structure deviation and safety problems, the general deviation correction devices have a large volume and weight, which has a great impact on road traffic, and the...

Claims

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Application Information

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IPC IPC(8): E01D22/00E02D35/00E02D17/04
CPCE01D22/00E02D17/04E02D35/005
Inventor 刘庭金蔡良怡蒋成戚桠童汤智钧
Owner SOUTH CHINA UNIV OF TECH
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