CN210395030U

CN210395030U - Waterproof construction suitable for collapsible loess area town road side separate area

Info

Publication number: CN210395030U
Application number: CN201920812328.1U
Authority: CN
Inventors: 马迪; 章伟民; 章卉
Original assignee: CSCEC Aecom Consultant Co Ltd
Current assignee: CSCEC Aecom Consultant Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-04-24
Anticipated expiration: 2029-05-31

Abstract

A waterproof structure suitable for a municipal road side separation belt in a collapsible loess area comprises the side separation belt and a curb; the waterproof geotextile also comprises a U-shaped reinforced concrete standard section and waterproof geotextile; the butted multiple U-shaped reinforced concrete standard sections are buried below the earth surface of the side separation belts, waterproof geotextile is laid on the upper surfaces of the U-shaped reinforced concrete standard sections, and the left side and the right side of the waterproof geotextile extend to the side walls of the kerbs attached to the side separation belts. The U-shaped reinforced concrete standard section comprises a U-shaped frame type reinforced skeleton and concrete poured on the periphery of the U-shaped frame type reinforced skeleton. The side separation belt is simple in structure, easy to implement, and mainly suitable for the narrow side separation belt and the side separation belt of the municipal road in the collapsible loess area without the drainage infiltration ditch. The rainwater or the greening water entering the side separation belt in a short time can be effectively prevented from being too much, so that the damage to a road surface structure or a roadbed is avoided, the water damage of the road is reduced, and the redundant rainwater or the greening water is effectively utilized.

Description

Waterproof construction suitable for collapsible loess area town road side separate area

Technical Field

The utility model belongs to the technical field of the town road design, specifically speaking are waterproof construction suitable for collapsible loess area town road side partition area.

Background

Collapsible loess is widely distributed in China, and particularly develops most in northwest regions. The collapsible loess area subgrade can be settled when meeting water to cause road diseases due to the collapsible loess and the engineering characteristics of easy washing, anisotropy and the like. In recent years, the situation that the instantaneous rainfall is too large and exceeds the drainage flood discharge capacity occurs in northern areas, the side separation belt irrigation of the northern areas mainly adopts a flood irrigation mode, the instantaneous irrigation water quantity is large, and because the side separation belt is narrow in width, no drainage seepage ditch is arranged in the separation belt. These all lead to collapsible loess area town road appear can't in time the exhaust rainwater or afforestation water invade road surface basic unit or road bed through the side parting strip and lead to diseases such as road bed subsidence, road surface crack. The traditional prevention mode is mainly that waterproof geotextile is laid in the side separation zone and the compactness of the roadbed and the road base layer meets the design requirements, but in actual construction, the quality problems that the geotextile laying quality is poor, the compactness of the partial area of the roadbed is insufficient and the like often cannot effectively prevent rainwater or green water from invading the roadbed to cause damage to the road.

Disclosure of Invention

The technical problem to be solved by the technology of the utility model is to provide a waterproof structure which has simple structure and easy implementation and is suitable for the municipal road side separation belt in the collapsible loess area; the waterproof structure is used for preventing rainwater or green water in the collapsible loess area from invading a road base or a roadbed through the side branch belt to cause road diseases.

The utility model discloses technical scheme that the above-mentioned technical problem of technical solution was taken as follows: a waterproof structure suitable for a municipal road side separation belt in a collapsible loess area comprises the side separation belt and a curb; the method is characterized in that: the waterproof geotextile also comprises a U-shaped reinforced concrete standard section and waterproof geotextile; the butted multiple U-shaped reinforced concrete standard sections are buried below the earth surface of the side separation belts, waterproof geotextile is laid on the upper surfaces of the U-shaped reinforced concrete standard sections, and the left side and the right side of the waterproof geotextile extend to the side walls of the kerbs attached to the side separation belts.

The U-shaped reinforced concrete standard section comprises a U-shaped frame type reinforced skeleton and concrete poured on the periphery of the U-shaped frame type reinforced skeleton.

The utility model discloses a bury U type reinforced concrete standard section underground under the side separate area, can prevent that rainwater or afforestation water from invading the road bed, U type reinforced concrete standard section can be prefabricated in the mill, transports to on-the-spot direct use. The waterproof geotextile is laid on the surface of the U-shaped reinforced concrete standard section, so that the laying quality of the waterproof geotextile can be ensured, the geotextile is prevented from being pulled and broken, and the concrete structure can be prevented from being corroded by rainwater or green water after being soaked for a long time; the moisture accessible plant roots in getting into the side median absorbs and soil natural air-dry two kinds of forms are discharged, also can set up the drain pipe at road longitudinal section low point and be connected this structure with the roadside downspout and discharge the afforestation planting soil and can't in time absorb right unnecessary moisture, and the drain pipe tip can set up the geotechnological cloth inverted filter of anti-filtering and prevent the pipe blockage. The utility model discloses a when the protection road bed avoids rainwater, afforestation water infringement, also can become the component part of the green facility in sponge city to "arrange slowly" and "source dispersion" control for main planning design theory, both avoided the water damage, effectual rainwater or the afforestation water of having utilized again.

The utility model discloses simple structure, implementation are easy, its theory of operation: the utility model discloses mainly be applicable to the side and separate the area width narrower, do not set up the collapsible loess area town road side partition area of drainage infiltration ditch. The rainwater or the greening water entering the side separation belt in a short time can be effectively prevented from being too much, so that the damage to a road surface structure or a roadbed is avoided, the water damage of the road is reduced, and the redundant rainwater or the greening water is effectively utilized.

Drawings

FIG. 1 is a schematic structural view of the cross section of the present invention;

FIG. 2 is a schematic structural view of a standard section of U-shaped reinforced concrete;

fig. 3 is a schematic diagram showing the relationship between the standard section of the U-shaped concrete structure and the partition plate.

In the figure: 1-U type frame formula framework of steel reinforcement, 2-U type concrete structure standard section, 3-baffles, 4-waterproof geotechnological cloth, 5-curb, 6-curb dog, 7-planting technique soil, 8-road surface structure.

Detailed Description

As shown in fig. 1: a waterproof structure suitable for a municipal road side separation belt in a collapsible loess area comprises the side separation belt and a curb 5; the waterproof geotextile comprises a U-shaped reinforced concrete standard section 2 and waterproof geotextile 4; the butted multi-section U-shaped reinforced concrete standard sections 2 are buried below the earth surface of the side separation belts, waterproof geotextile 4 is laid on the upper surfaces of the U-shaped reinforced concrete standard sections 2, and the left side and the right side of the waterproof geotextile 4 extend to the side walls of the kerbs 5 attached to the side separation belts. The waterproof geotextile 4 is bonded on the upper surface of the U-shaped reinforced concrete standard section 2 through the adhesive layer oil.

The method is the same as the prior art: the side separating zone is arranged between the road pavement structures 8 and comprises plants such as green planting soil 7 and planted flowers and plants, a curb block 6 is arranged between the road pavement structures 8 and the side separating zone, and a curb 5 is arranged on the curb block 6.

Referring to fig. 2: the U-shaped reinforced concrete standard section 2 comprises a U-shaped frame type reinforced skeleton 1 and concrete poured on the periphery of the U-shaped frame type reinforced skeleton. The U-shaped frame type reinforced skeleton 1 is a structural reinforcement of the U-shaped reinforced concrete standard section 2, and the U-shaped reinforced concrete standard section 2 is a prefabricated structure and is installed and used on site after being prefabricated and molded in a factory.

In order to facilitate processing and transportation, the length of the U-shaped reinforced concrete standard section 2 is 6-8 m, and the width and height of the U-shaped reinforced concrete standard section 2, the concrete grade and the reinforcement requirement can be determined according to the width of the side separation belt and the buried depth of the standard section.

During construction, the standard section of the concrete U-shaped reinforced concrete is firstly installed, then the side, in contact with the planting soil, of the standard section is coated with the binding oil, and then the waterproof geotextile is laid, so that the effective bonding of the waterproof geotextile and the concrete structure can be ensured.

As a perfection of the present invention, refer to fig. 3; during construction, the bottom of the standard section 2 of the butted multi-section U-shaped concrete structure is provided with a partition plate 3 every 30-50 m, and the depth is 15-30 cm. Thus, when the instantaneous water amount entering the side dividing strip is large, the partition plates 3 can block rainwater or green water flowing along the standard section of the U-shaped concrete structure, reduce the water flow speed, and ensure that part of the rainwater or green water is kept in the standard section of the U-shaped concrete structure between two adjacent partition plates 3, thereby being beneficial to plant growth.

The utility model discloses a U type concrete structure standard section 2, waterproof geotechnological cloth 4, road surface structure 8, curb 5 and curb dog 6 can form a relative confined structure, prevent that unnecessary rainwater or afforestation water from invading the road bed.

Can be connected this structure and roadside downspout at road longitudinal section low point and discharge the unnecessary moisture that planting technique soil can't in time absorb right, the drain pipe tip can set up the anti-filter geotechnological cloth anti-filter layer of straining and prevent the pipe blockage.

Claims

1. A waterproof structure suitable for a municipal road side separation belt in a collapsible loess area comprises the side separation belt and a curb; the method is characterized in that: the waterproof geotextile fabric comprises a U-shaped reinforced concrete standard section (2) and waterproof geotextile (4); the butted multi-section U-shaped reinforced concrete standard sections (2) are buried below the earth surface of the side separation belts, waterproof geotextile (4) are laid on the upper surfaces of the U-shaped reinforced concrete standard sections (2), and the left side and the right side of the waterproof geotextile (4) extend to the side walls of the kerbs (5) attached to the side separation belts.

2. The waterproof structure of claim 1, which is suitable for the side separation zone of the town road in the collapsible loess region, and comprises: the U-shaped reinforced concrete standard section (2) comprises a U-shaped frame type reinforced skeleton (1) and concrete poured on the periphery of the U-shaped frame type reinforced skeleton.

3. The waterproof structure of the municipal road side separation strip for collapsible loess areas as claimed in claim 2, wherein: the waterproof geotextile (4) is bonded on the upper surface of the U-shaped reinforced concrete standard section (2) through the adhesive layer oil.

4. The waterproof structure of the municipal road side separation strip for collapsible loess areas as claimed in claim 1, 2 or 3, wherein: a partition plate (3) is arranged at the bottom of the butted multi-section U-shaped reinforced concrete standard section (2) every 30-50 m, and the depth is 15-30 cm.

5. The waterproof structure of the municipal road side separation strip for collapsible loess areas according to claim 4, wherein: the length of the U-shaped reinforced concrete standard section (2) is 6-8 meters.