CN209975557U

CN209975557U - Permeable double-row retaining wall for urban building

Info

Publication number: CN209975557U
Application number: CN201920339797.6U
Authority: CN
Inventors: 张延年; 朱鑫泉; 杨军彩
Original assignee: Shenyang Jianzhu University
Current assignee: Nuclear industry east China 268 basic engineering company
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2020-01-21
Anticipated expiration: 2029-03-18

Abstract

The utility model relates to a city building permeable double retaining wall belongs to city building foundation maintenance technical field, pre-buried raceway in the concrete base, retaining wall upper strata concrete wall body is connected with the concrete base that sets up in the ground below, connect and then form a hollow trapezoidal body through the reinforced floor between first row concrete wall body and the second row concrete wall body, hollow trapezoidal body bottom sets up the inslot hole of permeating water, it permeates water the hole and link up concrete wall body to set up the multirow on the second row concrete wall body, rubble backfill layer is laid to hollow trapezoidal body, this retaining wall has that the structure atress can be good, easy to implement, stability is good, and is small, the dead weight is light, good drainage ability has, simultaneously double concrete wall body has strengthened retaining wall anti-slip and antidumping ability with the reinforced concrete plate.

Description

Permeable double-row retaining wall for urban building

Technical Field

The utility model belongs to the technical field of the urban building foundation maintains, in particular to urban building type double retaining wall that permeates water.

Background

Slope engineering is of particular importance in the entire civil engineering, because of its high volume, technical difficulty and accident rate. The slope engineering object is a rock or soil body, the rock and soil body is naturally generated and can not be manufactured artificially, and the slope engineering object is characterized in that: the properties vary from place to place and from time to time; human understanding is not exhaustive; mechanical parameters cannot be accurately provided; the design level varies from person to person. These characteristics present great difficulties for the engineering construction, with the result that: the rock-soil body is not mastered properly, and the accident rate is high (the side slope accident rate in the building engineering is about 70% according to knowledge); the design schemes are different, and the cost difference is large; the geological conditions change greatly, and an economical and reasonable slope supporting method is lacked in many cases.

A lot of retaining structures exist in the current city, the most important retaining wall is a concrete member, the appearance is cold and hard, and after water is discharged from a water discharge hole of the concrete wall surface, the water flows down along the wall surface and is easy to be efflorescent, so that the durability of the structure is influenced, and the attractiveness is influenced; the scattered flow of the concrete water discharge holes easily causes scouring to the backfill in front of the wall of the retaining wall, the backfill part in front of the wall is lost after a long time, the foundation at the toe of the wall is softened, the bearing capacity is reduced, the landslide phenomenon easily occurs, and the stability of the urban building is influenced. Therefore, the retaining wall which can accord with the concept of green cities, has a good water permeability, can retain soil and reduce disasters needs to be developed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a permeable double-row retaining wall for urban buildings; the retaining wall has the advantages of good structural stress performance, easiness in implementation, good stability, small volume and light dead weight, has good drainage capacity, and simultaneously enhances the anti-sliding and anti-overturning capacities of the retaining wall by forming a high-low layered retaining wall body structure by the aid of double rows of retaining wall bodies which are arranged, so that the retaining wall can accord with green city concepts, green buildings can retain soil, reduce disasters and stabilize a foundation.

The utility model adopts the technical proposal that:

a permeable double-row retaining wall for urban buildings comprises a concrete base, a water delivery pipe, a first row of concrete walls, a second row of concrete walls, reinforcing rib plates, permeable holes in a groove, a hollow trapezoid body and a gravel backfill layer;

the bottom pre-buried raceway in the concrete base, first row concrete wall body, second row concrete wall body and the concrete base that sets up in the below ground pass through built-in steel bar connection and sit on the concrete base, connect through the reinforced rib board and then enclose into a hollow trapezoidal body between first row concrete wall body and the second row concrete wall body, pack rubble backfill layer in the hollow trapezoidal body, hollow trapezoidal body bottom sets up the hole of permeating water in the multi-row groove, the hole of permeating water in the multi-row groove extends to and communicates with each other with the pre-buried raceway in the concrete base, set up the hole of permeating water of multirow on the second row concrete wall body, the hole of permeating water of multirow link up concrete wall body and communicates with each other with hollow trapezoidal body.

Furthermore, the first row of concrete walls are arranged on the outer side of the foundation soil body to maintain and reinforce the foundation soil body, and the second row of concrete walls are arranged in the foundation soil body.

Further, the height of the concrete wall in the second row is about 1/2 of the height of the concrete wall in the first row, so that a high-low layered retaining wall structure is formed.

And further, connecting the reinforcing steel bars arranged in the reinforcing rib plates with the reinforcing steel bars arranged in the first row of concrete walls and the second row of concrete walls, and integrally pouring concrete.

Furthermore, the height of the gravel backfill layer arranged in the hollow trapezoid body is higher than that of the uppermost water drainage and permeation hole arranged on the second row of concrete wall body

Further, the water delivery pipe is pre-buried below the hollow trapezoid structure.

Further, the water permeable holes are horizontally arranged to correspond to the hollow trapezoid structure.

Furthermore, the backfill material used by the gravel backfill layer meets the building strength requirement and the environmental protection requirement, the building concrete structure waste materials are backfilled, and the size of a gravel sieve pore can be 37.5 mm.

The beneficial effects of the utility model

The utility model has the advantages and beneficial effects that: the utility model discloses a city building permeable double retaining wall, this retaining wall has that the structure atress performance is good, easy to carry out, good stability, small, the dead weight is light, good drainage ability has, the double retaining wall body that arranges simultaneously becomes high low layering retaining wall body structure and has strengthened retaining wall anti-sliding and antidumping ability, utilize the building concrete structure waste material that accords with building strength requirement and environmental protection requirement as the backfill material, can accord with green city theory promptly, green building can keep off the soil again and subtract the firm ground of disaster.

Drawings

FIG. 1 is a perspective view of a permeable double-row retaining wall for urban buildings;

FIG. 2 is a front view of a permeable double row retaining wall for urban buildings;

FIG. 3 is a left side view of a permeable double-row retaining wall of a city building;

FIG. 4 is a top view of a permeable double-row retaining wall for urban buildings;

FIG. 5 is a perspective view of the permeable double-row retaining wall for urban buildings at another angle;

FIG. 6 is a schematic diagram of a hollow trapezoid of a permeable double-row retaining wall of an urban building after backfilling;

in the figure: 1 is a concrete base; 2 is a water delivery pipe; 3, a first row of concrete walls; 4, a second row of concrete walls; 5 is a reinforcing rib plate; 6 is a water permeable hole; 7 is a water permeable hole in the groove; 8 is a hollow trapezoid body; 9 is a gravel backfill layer.

Detailed Description

Example (b): as shown in fig. 1-6, a permeable double-row retaining wall for urban buildings comprises a concrete base 1, a water pipe 2, a first row of concrete walls 3, a second row of concrete walls 4, reinforcing ribs 5, permeable holes 6, permeable holes 7 in a trough, hollow trapezoids 8 and a gravel backfill layer 9;

the concrete foundation comprises a concrete foundation 1, a bottom pre-buried water pipe 2, a first row of concrete walls 3, a second row of concrete walls 4 and the concrete foundation 1 arranged below the ground are connected through built-in steel bars and are located on the concrete foundation 1, the first row of concrete walls 3 and the second row of concrete walls 4 are connected through reinforcing rib plates 5 to form a hollow trapezoid body 8, the hollow trapezoid body 8 is filled with a gravel backfill layer 9, a plurality of rows of in-groove water permeable holes 7 are formed in the bottom of the hollow trapezoid body 8, the plurality of rows of in-groove water permeable holes 7 extend into the concrete foundation 1 and are communicated with the pre-buried water pipe 2 in the concrete foundation 1, a plurality of rows of water permeable holes 6 are formed in the second row of concrete walls 4, and the plurality of rows of water permeable holes 6 penetrate through the concrete foundation and are communicated with the hollow trapezoid body 8.

The first row of concrete walls 3 is arranged on the outer side of the foundation soil body to maintain and reinforce the foundation soil body, the second row of concrete walls 4 is arranged in the foundation soil body, and the height of the second row of concrete walls 4 is 1/2 about the height of the first row of concrete walls 3, so that a high-low layered soil retaining body structure is formed.

The reinforcing steel bars arranged inside the reinforcing rib plates 5 are connected with the reinforcing steel bars arranged inside the first row of concrete walls 3 and the second row of concrete walls 4, and concrete is integrally cast.

The height of the gravel backfill layer 9 arranged in the hollow trapezoid body 8 is higher than that of the uppermost water drainage and permeation hole 6 arranged on the second row of concrete wall 4; the water delivery pipe 2 is pre-embedded below the hollow trapezoid body 8; the water permeable holes 6 are horizontally arranged and correspond to the hollow trapezoid body 8 in structure; the backfill material used by the gravel backfill layer 9 meets the building strength requirement and the environmental protection requirement, the building concrete structure waste is backfilled, the size of a gravel sieve pore can be 37.5mm, and the water permeability of the structure can be controlled by changing the grading of the backfill material.

Adjusting the height of the double-row retaining wall according to the specific height of the supporting foundation, and simultaneously controlling the height of the reinforcing rib plate 5; the distance between the two rows of retaining walls and the distance between two adjacent strong floor plates 5 can be determined by actual case specific calculation.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a city building double retaining wall of penetrating water type which characterized in that: the concrete wall reinforcing structure comprises a concrete base (1), a water conveying pipe (2), a first row of concrete walls (3), a second row of concrete walls (4), reinforcing rib plates (5), water permeable holes (6), water permeable holes (7) in a groove, hollow trapezoids (8) and a gravel backfill layer (9);

a water pipe (2) and a first row of concrete walls (3) are embedded at the bottom in the concrete base (1), the concrete foundation bed is characterized in that a second row of concrete walls (4) and a concrete foundation bed (1) arranged below the ground are connected through built-in steel bars and are located on the concrete foundation bed (1), the first row of concrete walls (3) and the second row of concrete walls (4) are connected through reinforcing rib plates (5) to form a hollow trapezoid body (8) in a surrounding mode, a gravel backfill layer (9) is filled in the hollow trapezoid body (8), a plurality of rows of water permeable holes (7) in grooves are formed in the bottom of the hollow trapezoid body (8), the water permeable holes (7) in the grooves extend into the concrete foundation bed (1) to be communicated with a pre-buried water conveying pipe (2) in the concrete foundation bed (1), a plurality of rows of water permeable holes (6) are formed in the second row of concrete walls (4), and the water permeable holes (6) in the rows penetrate through the concrete walls and are communicated with the hollow trapezoid body (8).

2. The city building permeable double row retaining wall according to claim 1, characterized in that: the first row of concrete walls (3) are arranged on the outer side of the foundation soil body to maintain and reinforce the foundation soil body, and the second row of concrete walls (4) are arranged in the foundation soil body.

3. The city building permeable double row retaining wall according to claim 1 or 2, characterized in that: the height of the second row of concrete walls (4) is 1/2 of the height of the first row of concrete walls (3), so that a high-low layered retaining body structure is formed.

4. The city building permeable double row retaining wall according to claim 1, characterized in that: the reinforcing steel bars arranged inside the reinforcing rib plates (5) are connected with the reinforcing steel bars arranged inside the first row of concrete walls (3) and the second row of concrete walls (4), and concrete is integrally cast.

5. The permeable double-row retaining wall for urban buildings according to claim 1, characterized in that: the height of the gravel backfill layer (9) arranged in the hollow trapezoid body (8) is higher than that of the uppermost water drainage and permeation hole (6) arranged on the second row of concrete wall body (4).

6. The permeable double-row retaining wall for urban buildings according to claim 1, characterized in that: the water delivery pipe (2) is pre-embedded below the hollow trapezoid body (8).

7. The permeable double-row retaining wall for urban buildings according to claim 1, characterized in that: the water permeable holes (6) are horizontally arranged and correspond to the hollow trapezoid body (8) in structure.

8. The permeable double-row retaining wall for urban buildings according to claim 1, characterized in that: the backfill material used by the gravel backfill layer (9) meets the building strength requirement and the environmental protection requirement, the waste materials of the building concrete structure are backfilled, and the size of a gravel sieve pore is selected to be 37.5 mm.