Retaining wall and construction method thereof

A technology for retaining walls and retaining walls, applied to buildings, sheet pile walls, underwater structures, etc., to achieve the effects of improving efficiency, reducing material consumption, and saving foundation treatment costs

Pending Publication Date: 2022-04-01
王开明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by this invention is to propose a retaining wall and its construction method. Modular assembly has the advantages of strong adaptability, simple design, easy construction and quality and safety control, fast construction speed and low cost

Method used

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  • Retaining wall and construction method thereof
  • Retaining wall and construction method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0146] refer to Figure 10 to Figure 14 , the height of the retaining wall is 6 meters, the slope line at the top of the wall is horizontal, the load width of the first-class roadway of the highway is 7.5 meters, the backfill of the wall is powder clay, and the bulk densityγ 0 =18.5KN / m³, internal friction angle φ=26°, internal cohesion C=15KPa, foundation strength 250KPa, foundation level, foundation soil bulk densityγ 1 =19KN / m³, the friction coefficient of the base is 0.35, and the retaining wall is designed in a modular manner.

[0147] The design method steps are as follows:

[0148] (1) A modular cantilever retaining wall with a height of H=6m is adopted, and the foundation is a soil foundation. In non-water-soaked areas, the buried depth of the foundation is determined to be 1.5m, and the foundation overhang of the wall heel is determined to be b 3 =1.7m, the foundation of the wall toe is overhanging b 4 =1.0m, the wall and the foundation are set with cast-in-place c...

Embodiment 2

[0192] refer to Figure 15 to Figure 17 , the height of the retaining wall is 12 meters, the slope line at the top of the wall is horizontal, the load width of the first-class roadway of the highway is 7.5 meters, the backfill of the wall is powder clay, and the bulk densityγ 0 =18.5KN / m³, internal friction angle 26°, internal cohesion C=15KPa, foundation level, foundation soil bulk densityγ 1 =20KN / m³, the friction coefficient of the base is 0.4, try to adopt the modular design of the retaining wall.

[0193] The method steps are as follows:

[0194] (1) The total height of the retaining wall is H=12m, the soil foundation, the non-soaked area, the buried depth of the foundation is determined to be 2.5m, and the foundation of the wall is suspended b 4 =2.5m, the heel foundation hangs out b 3 =1.0m, the wall and the foundation set up a cast-in-place chamfer u=0.5m, v=0.5m; at a distance from the base h 5 = 7.3m to set prefabricated unloading plate;

[0195] (2) A modular u...

Embodiment 3

[0255] refer to Figure 18 to Figure 20 , the height of the retaining wall is 18 meters, the slope line at the top of the wall is horizontal, the load width of the first-class roadway of the highway is 7.5 meters, the backfill of the wall is powder clay, and the bulk densityγ 0 =18.5KN / m³, internal friction angle 26°, internal cohesion C=15KPa, foundation level, foundation soil bulk densityγ 1 =19KN / m³, the friction coefficient of the base is 0.35, and the retaining wall is designed in a modular manner.

[0256] The method steps are as follows:

[0257] (1) The total height of the retaining wall is H=18m, the soil foundation, the non-immersion area, the design foundation buried depth is 3.0m, and the wall heel foundation is overhanging b 3 =3.0m, the toe of the wall is overhanging b 4 =1.5m, chamfer u=0.5m×v=0.5m for wall foundation; set prestressed anchor cable at 11.6m from base,

[0258] (2) Using anchor cables + modular cantilever retaining wall, the total height of th...

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Abstract

The invention discloses a retaining wall and a construction method thereof, belongs to the technical field of retaining engineering, and particularly relates to a retaining wall and a construction method thereof. According to the retaining wall and the construction method thereof, the defects of existing reinforced soil, anchoring plates and other fabricated retaining wall small modules are overcome, and the standard module assembly of the retaining wall is achieved. The retaining wall is composed of a cast-in-place reinforced concrete foundation, a prefabricated wall body box-shaped module and a prefabricated unloading plate solid plate module. Vertical steel anchor rods, vertical prestressed steel strands and longitudinal connecting bolts are connected with prefabricated parts to be assembled to form the retaining wall. The module is made of reinforced concrete prefabricated parts and is manufactured in a factory-like mode. The construction method of the retaining wall comprises four steps. According to the invention, the module assembly construction of the retaining wall is realized, and the adaptability to application conditions is high; the prestressed technology is adopted, the scattered modules are assembled into the eccentric and pressed complete cantilever type wall body through the prestress applied by the vertical connection steel anchor rods and the vertical steel strands and the longitudinal connection high-strength bolts, and the cantilever type wall body has the advantages of being high in adaptability, simple in design, easy to construct and control quality safety, high in construction speed and low in manufacturing cost.

Description

technical field [0001] The invention belongs to the technical field of retaining engineering, in particular to a retaining wall and a construction method thereof. Background technique [0002] In civil engineering, retaining walls are often used. The existing retaining wall structures mainly include gravity type, buttress type, cantilever type, pile plate type, reinforced soil, unloading plate, anchor plate, etc. The construction methods Mainly on-site pouring and manual masonry, and a small amount of assembly; in order to realize the modular assembly and standardization of retaining walls, a lot of research has been carried out at home and abroad, and a number of patented technologies have also been produced, but there are obvious deficiencies and cannot be widely used. Use; Among the existing retaining walls, the pile-slab retaining wall has higher reliability, but the construction cost is higher, and manual digging construction cannot be carried out when the groundwater l...

Claims

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Application Information

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IPC IPC(8): E02D29/02E02D5/74E02D15/02E02D19/20G06F30/13G06F30/20
Inventor 王开明王谦
Owner 王开明
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