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Vertical pre-stressed anchor cable balance weight retaining wall and construction method thereof

A prestressed anchor cable and vertical prestressed technology, which is applied in the direction of excavation, artificial island, sheet pile wall, etc., can solve the problems of complex construction technology, many construction procedures, and high project cost, so as to reduce the construction period and improve construction efficiency , The effect of reducing the project cost

Pending Publication Date: 2022-06-03
POWERCHINA CHENGDU ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the project cost of this scheme is relatively high, the construction process is more complicated, and the construction period is longer. It is suitable for steep slopes with thin covering layers, but not for gentle slopes with covering layers.
[0007] In summary, there are many construction procedures in the prior art, the construction process is complex, the construction period is long, and the project cost is relatively high

Method used

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  • Vertical pre-stressed anchor cable balance weight retaining wall and construction method thereof
  • Vertical pre-stressed anchor cable balance weight retaining wall and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] like figure 1 As shown, the present embodiment 1 provides a vertical prestressed anchor cable 3 counterweight retaining wall, including a retaining wall body 1 and a prestressed anchor cable sleeve 12;

[0040] The foundation of the retaining wall body 1 is located in the gentle slope section of the cover layer 8;

[0041] The retaining wall body 1 is pre-embedded with a plurality of prestressed anchor cable sleeves 12, and the prestressed anchor cable sleeves 12 vertically penetrate the retaining wall from the counterweight platform 2 of the retaining wall body 1 The body 1, and extends into the bedrock 10;

[0042] A prestressed anchor cable 3 for anchoring is penetrated into the prestressed anchor cable casing 12 .

[0043] In the prior art, there are many construction procedures for the retaining wall, the construction process is complex, the construction period is long, and the construction cost is relatively high. , using this structure, the vertical prestresse...

Embodiment 2

[0049] like figure 2 As shown, Embodiment 2 is further optimized on the basis of Embodiment 1, and provides a construction method for a vertical prestressed anchor cable 3 counterweight retaining wall, comprising the following steps:

[0050] Step 1: Determine the allowable bearing capacity of the foundation in the high fill and gentle slope section, and calculate the tension value of the prestressed anchor cable 3 and the horizontal spacing of the prestressed anchor cable 3 according to the allowable bearing capacity of the foundation;

[0051] Step 2: excavate the foundation to the design elevation, then construct the retaining wall body 1, and vertically embed the prestressed anchor cable casing 12 in the reserved position;

[0052] Step 3: Then use clay 11 to ram the front and rear sides of the retaining wall body 1 to the surface 7;

[0053] Step 4: When the strength of the retaining wall body 1 meets the design requirements, construct the prestressed anchor cable 3 at ...

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Abstract

The invention discloses a vertical pre-stressed anchor cable balance-weight retaining wall and a construction method thereof, and relates to the technical field of retaining wall construction. The vertical pre-stressed anchor cable balance-weight retaining wall comprises a retaining wall body and further comprises a pre-stressed anchor cable sleeve; a foundation of the retaining wall body is located on a covering layer gentle slope section. A plurality of pre-stressed anchor cable sleeves are pre-buried on the retaining wall body, and the pre-stressed anchor cable sleeves vertically penetrate through the retaining wall body from a balance weight platform of the retaining wall body and extend into bed rock; and a pre-stressed anchor cable for anchoring penetrates into the pre-stressed anchor cable sleeve. By the adoption of the scheme, the vertical pre-stressed anchor cables are arranged on the balance weight platform of the balance weight type concrete retaining wall, the vertical pressure stress and the anti-sliding bending moment are increased, and the anti-sliding stability coefficient and the anti-overturning stability coefficient of the balance weight type concrete retaining wall are improved. The height of the balance weight type concrete retaining wall is reduced, and the masonry size of the balance weight type concrete retaining wall is reduced.

Description

technical field [0001] The invention relates to the technical field of retaining wall construction, in particular to a vertical prestressed anchor-cable balance-weight retaining wall and a construction method thereof. Background technique [0002] The retaining wall is a structure that supports the subgrade fill or hillside soil, and prevents the fill or soil from being deformed and unstable; however, there are many construction procedures for the retaining wall in the prior art, and the process is complicated; The technical scheme of the new patent (anchor cable pile foundation joist retaining wall combined support device) (authorized announcement number CN204435412U) is: anchor cable pile foundation joist retaining wall combined support device, including front row reinforced concrete piles and rear row Reinforced concrete piles, front row reinforced concrete piles and rear row reinforced concrete piles are installed with reinforced concrete joists, the upper part of the re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/02E02D5/74E02D3/10E02D17/20
CPCE02D29/0275E02D5/74E02D3/10E02D17/20E02D2300/002E02D2250/0046Y02A10/23
Inventor 沈习文袁玉林宋书志何鑫杨鹏李国庆
Owner POWERCHINA CHENGDU ENG