Construction method of anchor pile counterfort retaining wall

Abstract

The invention discloses a construction method of an anchor pile counterfort retaining wall. Firstly, the construction of a slide-resistant pile is carried out before filling; a retaining plate, a wall toe bottom plate and a rib plate are constructed after the construction of the slide-resistant pile; anchor cable ducts are reserved in the rib plate of the counterfort retaining wall; anchor cables pass through the reserved ducts of the rib plate; a first stage of prestress is applied after the strength of concrete meets the design requirement, and then layered filling, grinding and tamping are carried out; the prestress is synchronously applied in the filling process. The construction method has the beneficial effects that the advantages of two support structures of a pile plate retaining wall and a counterfort retaining wall are effectively combined together by installing the anchor cables inside the reserved ducts in the rib plate so as to form a novel support structure, which is applicable to a filling slope support of which the height exceeds 15m. Therefore, the engineering cost can be greatly reduced, the reliability of engineering is improved, and the method adapts to greater filling height.

Description

technical field [0001] The invention relates to a construction method of an anchor-stayed buttress-type retaining wall. Background technique [0002] With the rapid development of my country's economic construction, land resources are becoming more and more scarce. How to use the unusable land and save land in engineering construction are problems that must be solved in engineering construction. [0003] The commonly used methods for the treatment of high fill slopes include pile-slab walls, reinforced soil retaining walls, buttress retaining walls and gravity retaining walls. [0004] The sheet pile wall is a soil retaining structure formed by an upright slat-like member that uses anchor piles as the main force-bearing member to resist lateral earth pressure. When used for filling support, the filling height should not be greater than 15 meters. [0005] The buttress-type retaining wall uses the vertical plate and the buttress to bear the bending moment and shear force gen...

AI Technical Summary

Problems solved by technology

[0006] The reinforced soil retaining wall is to add tension bars to the soil, and use the friction between the tension bars and the soil to improve the deformation conditions of the soil and improve the engineering properties of the soil, so as to achieve the purpose of stabilizing the soil. It is used for filling The filling height should not be greater than 10 meters when soil is filled, and this form of retaining wall occupies more land

[0007] The gravity retaining wall uses the self-weight of the wall to resist the earth pressure. When it is used for high-fill retaining, the balance-weight retaining wall is generally used. When it is used for filling, the filling height should not be greater than 8 meters, and it occupies a lot of land.

[0008] At present, the maximum fill height of the conventional support structure used in the filling area should not exceed 15 meters. For the above-mentioned support structures for fills with a height of more than 15 meters, special design is required, and there are limitations in the amount of support work. Substantial increase or substantial increase in engineering construction land