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Deep foundation pit supporting structure

A technology of deep foundation pit support and support rods, which is applied in the direction of foundation structure engineering, sheet pile walls, excavation, etc., can solve the problems of difficult construction quality control, poor structure firmness and stability, etc., to improve installation stability, The effect of increasing the cross-sectional area and increasing the contact area

Active Publication Date: 2019-07-05
温州和鸿建设工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although the structure uses diagonal bracing support structure, the diagonal bracing reaction force device is statically pressed into the soil, so it is difficult to control the construction quality, and the structural firmness and stability of this support form are poor

Method used

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Embodiment Construction

[0040] The deep foundation pit support structure is further described with reference to the accompanying drawings.

[0041] A deep foundation pit support structure, such as figure 1 with figure 2 As shown, it includes a side plate 1, a bottom plate 2, a support rod 3, a support base 4, a first plug-in anchor rod 5, a second plug-in anchor rod 6 and a fixed anchor rod 7; the two support bases 4 are respectively hinged on the support rod 3 on both sides, and the two supporting bases 4 are fixedly installed on the side plate 1 and the bottom plate 2 respectively, and the first plugging anchor 5 and the second plugging anchor 6 are installed on the side plate 1 and the bottom plate 2 respectively; Both the side plate 1 and the bottom plate 2 are provided with installation holes 11 for installing and fixing the anchor rod 7, and the side plate 1 and the bottom plate 2 are respectively initially positioned and fixed on the deep foundation pit through the fixing anchor rod 7.

[0...

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Abstract

The invention discloses a deep foundation pit supporting structure, and relates to the technical filed of foundation pit excavation engineering. According to the key points of the technical scheme, the deep foundation pit supporting structure comprises a side plate, a bottom plate, a supporting rod, two supporting bases, first inserted-connection anchoring rods, second inserted-connection anchoring rods and fixing anchoring rods; the two supporting bases are hinged to the two sides of the supporting rod correspondingly and fixedly mounted on the side plate and the bottom plate, mounting holesare formed in the side plate and the bottom plate correspondingly, and the first inserted-connection anchoring rods and the second inserted-connection anchoring rods each comprise a hollow body, a threaded rod, a driving disc and a plurality of inserted-connection plates slidably connected to the circumferential side wall of the driving disc; sliding grooves corresponding to the inserted-connection plates in an one-to-one mode are formed in the circumferential side wall of each body, the inserted-connection plates are slidably connected into the sliding grooves in an inserted mode through thedriving discs, and the first inserted-connection anchoring rods and the second inserted-connection anchoring rods are mounted on the side plate and the bottom plate correspondingly. A deep foundationpit is supported through the deep foundation pit supporting structure, and thus the purposes of improving the construction quality, the firm degree of the supporting structure and the stability are achieved.

Description

technical field [0001] The invention relates to the technical field of foundation pit excavation engineering, more specifically, it relates to a deep foundation pit support structure. Background technique [0002] The foundation pit will inevitably cause deformation of the surrounding soil during the excavation process, which will affect the surrounding buildings and underground pipelines, and seriously endanger its normal use or safety; in order to avoid this situation, it will increase Support system to stabilize the safety of foundation pit, there are three main forms: flat support, diagonal support and reverse anchoring technology. [0003] Flat braces are currently widely used in deep foundation pits, but flat braces take up a lot of space in the pit, and the construction period is long, which is not conducive to excavation operations. There are great safety hazards in later demolition, which not only increases the cost of the project, but also is not conducive to envir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04E02D5/76
CPCE02D5/76E02D17/04E02D2600/30
Inventor 郑小林李俊达陈苗
Owner 温州和鸿建设工程有限公司
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