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A pair of pull-type foundation pit support device

A support device and foundation pit support technology, which is applied in the direction of infrastructure engineering, construction, excavation, etc., can solve the problems of low adaptability of anchor support, collapse of foundation pit, cumbersome installation and disassembly, etc., to overcome the limitation of soil layer High performance, low project cost, and good regional adaptability

Active Publication Date: 2021-06-01
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Common support structures include steel support and anchor support, among which steel support has disadvantages such as prestress attenuation, easy to fall off, cumbersome installation and disassembly, etc., and is easy to cause safety accidents such as foundation pit collapse; while anchor support is more adaptable Small, it is often difficult to use for soft soil due to insufficient anchoring force, and it cannot be applied when there are obstacles such as underground cables, pipelines, surrounding foundations, and basements

Method used

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  • A pair of pull-type foundation pit support device
  • A pair of pull-type foundation pit support device

Examples

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Embodiment Construction

[0020] The present invention will now be described in further detail in conjunction with the accompanying drawings and embodiments. The support device of the foundation pit of the present invention is obtained by the construction method, so the support device can be obtained by describing the construction method.

[0021] First of all, construct the enclosure structure. It should be noted that although the enclosure structure of the foundation pit is taken as an example of an underground diaphragm wall, it is not limited to this.

[0022] Such as figure 1 , figure 2 As shown, for the rectangular underground diaphragm wall 2, it can be constructed according to the normal underground diaphragm wall. As for the T-shaped underground diaphragm wall 3, it is a conventional underground diaphragm wall structure with convex ends in the middle, and the T-shaped enclosure structure can also improve the deformation resistance of the foundation pit. Arrange the PVC pipe 6 and the pulle...

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Abstract

The invention relates to the technical field of foundation pits, in particular to a support device for pull-type foundation pits. A support device for a double-pull foundation pit, comprising an enclosure structure, and further comprising: an anchor device anchored inside the enclosure structure, a stay cable connected to the anchor device, supported by the enclosure structure The anchor cable control integrated device is composed of the horizontal bracket above the structure, the central controller installed on the horizontal bracket and the displacement monitoring device installed on the anchoring device. The central controller connects the cables on both sides, And receive the data sent by the displacement monitoring device, evaluate the deformation of the foundation pit, and automatically adjust the axial force of the cable. The enclosure structure is composed of an underground continuous wall. The invention can realize the intelligent adjustment of the prestress of the supporting structure; greatly improve the construction efficiency of the foundation pit; and has good regional adaptability.

Description

technical field [0001] The invention relates to the technical field of foundation pits, in particular to a pull-type foundation pit supporting device. Background technique [0002] With the development of my country's infrastructure construction, "big", "long" and "deep" foundation pits are constantly emerging. In order to maintain the stability of the foundation pit, support structures are usually used in the foundation pit construction to effectively provide support for the foundation pit force and reduce the unbalanced force of the foundation pit. Common support structures include steel support and anchor support, among which steel support has disadvantages such as prestress attenuation, easy to fall off, cumbersome installation and disassembly, etc., and is easy to cause safety accidents such as foundation pit collapse; while anchor support is more adaptable Small, it is often difficult to use for soft soil due to insufficient anchoring force, etc., and it cannot be appl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D17/04E02D5/76
CPCE02D5/765E02D17/04
Inventor 狄宏规王炳龙徐俊胡彪韩学芳宋福贵亓立志周顺华
Owner TONGJI UNIV
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