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Cable-stayed Concrete Pile Consolidation Device for Large Angle Steep Slope

A technology of concrete piles and cable-stayed piles, which is applied in excavation, construction, and infrastructure engineering, etc., can solve the problems of high cost and narrow space, and achieve the effects of small occupied area, high firmness, and good promotion and application value

Active Publication Date: 2016-04-20
HEFEI CONSTR ENG GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under the existing technology, soil nail walls, pile anchors, support piles, protective nets and comprehensive measures are often used as support forms. In the construction of deep pit foundations, there are also construction methods of multi-layer reinforced concrete force-adaptive internal support systems. These technologies and methods have their own advantages to ensure the normal progress of the construction process and the safety of building facilities, but they are also restricted by their own disadvantages such as firmness, support, application difficulty, narrow and limited space, and high cost. restricted

Method used

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  • Cable-stayed Concrete Pile Consolidation Device for Large Angle Steep Slope
  • Cable-stayed Concrete Pile Consolidation Device for Large Angle Steep Slope
  • Cable-stayed Concrete Pile Consolidation Device for Large Angle Steep Slope

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1: as figure 1 As shown, in the construction of foundation pit 3 adjacent to the existing building 5, there is no or little grading space. At the edge of the foundation pit 3 set, the reaming hole is drilled outwards and downwards perpendicular to the edge line, and the reinforcement is arranged. Inject concrete to build the cable-stayed pile 2, remove the concrete of the cable-stayed pile 2 at the edge of the foundation pit 3, leave the inner steel bar of the cable-stayed pile 2 and bend it aside, drill the hole of the vertical pile 1, arrange the reinforcement, and place the cable-stayed pile 2. The steel bars are welded and bundled with the steel bars of the vertical pile 1, and the concrete is poured to form a whole.

Embodiment 2

[0014] Embodiment 2: as figure 2 , image 3 As shown, on a single-sided linear slope, on the platform formed in the process of excavating and repairing the slope, drill and drill 2 holes for cable-stayed piles perpendicular to the design slope surface, V-shaped bifurcation, place reinforcement and inject concrete, and excavate and repair the slope After the completion, the vertical pile 1 is built, and it is connected with the cable-stayed pile 2 and poured as a whole. When applied to roadside slope protection, there should be a gap between the road surface 7 drainage ditch 8 and the piles.

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Abstract

The invention provides a technology for support and protection of a wide-angle steep slope by cable-stayed concrete piles. The technology comprises a vertical pile and cable-stayed piles, and is characterized in that before the vertical pile for supporting and protecting the slope is constructed, cable-stayed piles are constructed in advance for stabilizing the vertical pile, so as to enable a pile system for supporting and protecting the slope to be in the angle-supported stable state, as a result, the technology is suitable for support and protection of the steep slope adjacent to existing buildings, or in the foundation, upper adjacent slope and lower adjacent slope digged in facility positions, road building on the slope surface, house building, or other facilities building. Compared with the prior art, the technology for support and protection of the wide-angle steep slope by cable-stayed concrete piles has the remarkable advantages of small occupied area, high firmness, flexibility in application and the like, so as to have excellent popularization and application values.

Description

1. Technical field [0001] The invention relates to construction engineering, in particular to a device for securing large-angle steep slopes with cable-stayed concrete piles. 2. Background technology [0002] Along with urban development and social progress, adjacent to high-rise buildings, slope-facing buildings, slope-cut buildings, and ridge-crossing passage buildings, etc., during the construction process and after the completion of the project, it is often not allowed to safely release the slope, and temporary or permanent fixation is required. Slope protection needs to meet the safety of construction and facilities. Under the existing technology, soil nail walls, pile anchors, support piles, protective nets and comprehensive measures are often used as support forms. In the construction of deep pit foundations, there are also construction methods of multi-layer reinforced concrete force-adaptive internal support systems. These technologies and methods have their own ad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D17/20E02D17/04
Inventor 方克舟
Owner HEFEI CONSTR ENG GRP