UHPC (Ultra High Performance Concrete) kerb structure with drainage function

Abstract

The utility model discloses a UHPC (Ultra High Performance Concrete) curb structure with a drainage function, which belongs to the technical field of curb structures, and comprises three prefabricated parts longitudinally arranged along two sides of a sidewalk at intervals, the three prefabricated parts are all formed by integrally pouring ultra high performance concrete, and the three prefabricated parts are respectively a standard section, a water inlet section and a sand discharge section, the interiors of the three prefabricated parts are communicated to form a drainage cavity, the standard section is of a closed structure, a drainage hole is formed in the side, close to the road surface, of the water inlet section, a reinforcing mesh is embedded in the drainage hole, a sand discharging hole is formed in the side, close to the green belt, of the sand discharging section, and the distance between the sand discharging hole and the bottom face ranges from 0 mm to 150 mm. The UHPC kerb structure disclosed by the utility model has the advantages that the drainage effect is good, the accumulated water on the road surface can be effectively reduced, and the driving safety is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the curbstone structure technical field especially, it is a kind of UHPC curbstone structure with drainage function. BACKGROUND

[0002] Curbstone is the marker between pavement and other structures, is used in the demarcation of carriageway and footpath, the demarcation of carriageway and green belt and between carriageway and road shoulder of municipal road, highway etc. Current curbstone used on both sides of municipal road is mostly factory prefabricated concrete precast block or entity strip structure processed by stone processing factory, and setting curbstone has important significance for traffic induction, protecting vegetation in green belt, preventing soil erosion and avoiding structure layer lateral displacement of pavement structure layer when rolling.

[0003] The curbstone used in existing municipal road is mostly solid cuboid stone block, which does not have drainage function, and once encountering rainy season, there is a lot of accumulated water on pavement, which affects driving safety of pavement. UTILITARIAN CONTENT

[0004] In order to overcome the defects of prior art, the technical problem to be solved by the utility model is to provide a UHPC curbstone structure with good drainage effect, which can effectively reduce road accumulated water and ensure driving safety.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a kind of UHPC curbstone structure with drainage function, three kinds of prefabricated components are arranged along the longitudinal interval of footpath two sides, the three kinds of prefabricated components are integrally poured using ultra-high performance concrete, the three kinds of prefabricated components are standard section, water inlet section and sand discharge section, drainage cavity is formed in the internal communication of the three kinds of prefabricated components, the standard section is closed structure, the water inlet section is provided with drainage hole near pavement side, steel mesh is embedded in the drainage hole, the sand discharge section is provided with sand discharge hole near the side of green belt 0-100mm height from bottom surface, and sand well is provided at the position corresponding to sand discharge hole of the green belt.

[0007] The utility model preferably technical solutions lie in that the drainage hole is rectangular hole structure, and the steel mesh is installed at the hole mouth of drainage hole.

[0008] The utility model preferably technical solutions lie in that the steel mesh is welded into shape using Φ4-6mm steel bar, and mesh size is 30x30mm to 50x50mm.

[0009] The utility model discloses preferably technical scheme lies in, the sand hole is rectangular hole structure, sand hole hole bottom elevation is identical with the height of drainage cavity bottom surface, and forms 5% gradient, and the sand hole orifice place is installed with grating cover plate.

[0010] The utility model discloses preferably technical scheme lies in, the layout of three kinds of prefabricated components is that every interval 10m is provided with a water inlet section along the driving direction, and every interval 50m is provided with a sand discharge section, and the rest sections all adopt standard sections.

[0011] The utility model discloses preferably technical scheme lies in, and the top of long distance standard section is provided with inspection cover plate, and the inspection cover plate and the inclined plane of standard section top one side form triangular groove, and the inspection cover plate is convenient to open.

[0012] The utility model discloses preferably technical scheme lies in, and two two between three kinds of prefabricated components are provided with guide boss and guide groove respectively, the guide boss is matched with guide groove, and the guide boss is provided with rubber waterstop between guide groove.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses through the three kinds of prefabricated components of interval setting, under the cooperation of guide boss and guide groove, can realize the quick installation of construction site, and the rubber waterstop is provided between two two three kinds of prefabricated components in the installation process, can better realize the anti -infiltration effect, guarantees the drainage effect of curbstone, and the road surface rainwater enters the drainage cavity through the drainage hole in the drainage process, and the drainage cavity is connected with the outside drainage pipe, thereby realizes the drainage purpose, reduces the road surface waterlogging, and guarantees the safety of road surface driving. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the standard section structure schematic diagram provided in the embodiment of the utility model;

[0016] Figure 2 It is the motor vehicle lane water inlet section structure schematic diagram provided in the embodiment of the utility model;

[0017] Figure 3 It is the footpath sand discharge section structure schematic diagram provided in the embodiment of the utility model;

[0018] Figure 4 It is the rubber waterstop position schematic diagram provided in the embodiment of the utility model;

[0019] In the drawings, the component list represented by each sign is as follows:

[0020] 1, standard section; 11, guide protrusion; 12, guide groove; 13, rubber waterstop; 2, water inlet section; 3, sand discharge section; 4, drainage cavity; 5, drainage hole; 51, steel mesh; 6, sand discharge hole; 61, grating cover plate; 7, sand well; 8, inspection cover plate. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be further illustrated below with reference to the drawings and through specific embodiments.

[0022] A UHPC curb structure with a drainage function comprises three kinds of prefabricated components arranged longitudinally and spaced apart along both sides of a sidewalk, the three kinds of prefabricated components are integrally poured using super high performance concrete, the three kinds of prefabricated components are respectively a standard section 1, a water inlet section 2 and a sand discharge section 3, the three kinds of prefabricated components are internally connected to form a drainage cavity 4, the standard section 1 is a closed structure, the water inlet section 2 is provided with a drainage hole 5 on the side close to the road surface, the drainage hole 5 is embedded with a steel mesh 51, the sand discharge section 3 is provided with a sand discharge hole 6 at a height of 0-100 mm from the bottom surface on the side close to a green belt, and the green belt is provided with a sand well 7 at a position corresponding to the sand discharge hole 6.

[0023] The arrangement mode of the three kinds of prefabricated components is that one water inlet section 2 is arranged every 10 m along the driving direction, one sand discharge section 3 is arranged every 50 m, and the remaining sections are all standard sections 1; the drainage hole 5 is a rectangular hole structure, the steel mesh 51 is installed at the hole opening of the drainage hole 5, and the steel mesh 51 is formed by welding Φ4-6 mm steel bars and has a mesh size of 30x30 mm to 50x50 mm.

[0024] When it rains, the rainwater on the road surface enters the drainage cavity 4 through the drainage hole 5 arranged on one side of the water inlet section 2, and the drainage cavity 4 is connected with an external drainage pipe, so that the rainwater on the road surface can be smoothly discharged outward, the curb stone can well realize the drainage function, the road surface ponding is reduced, the driving safety is ensured, the steel mesh 51 installed at the drainage hole 5 can intercept garbage such as leaves and cigarette butts brought by the road surface runoff to prevent the drainage cavity 4 from being blocked, the steel mesh 51 is detachably arranged, the intercepted objects can be cleaned in the later period, the municipal road surface drainage efficiency is improved, the drainage cavity 4 is hidden, the rain and sewage odor is reduced, and the curb stone made of UHPC has excellent tensile, compressive and durable properties, so that the use area of the curb stone can be improved.

[0025] As a possible implementation of the present scheme, preferably, the sand outlet 6 is a rectangular hole structure, the bottom of the sand outlet 6 is at the same height as the bottom of the drainage cavity 4, and forms a 5% slope, and a grating cover plate 61 is installed at the opening of the sand outlet 6. By setting the detachable grating cover plate 61, it is convenient for manual sand cleaning in the later stage, avoiding blockage, sand will deposit inside the bottom of the sand discharge section 3, water will pass from above and be discharged outward, and at intervals, manual sand cleaning is performed to avoid blockage, and the cleaned sand is discharged to the sand well 7 through the sand outlet 6.

[0026] As a possible implementation of the present scheme, preferably, the top of the long-distance standard section 1 is provided with an inspection cover plate 8, and the inspection cover plate 8 and the inclined surface on one side of the top of the standard section 1 form a triangular groove, so that the inspection cover plate 8 can be easily opened. Through the inspection cover plate 8, the drainage cavity 4 inside the curbstone can be easily inspected in the later stage, so as to prevent blockage from affecting the drainage effect.

[0027] As a possible implementation of the present scheme, preferably, the three kinds of prefabricated components are respectively provided with a guide protrusion 11 and a guide groove 12 between each other, the guide protrusion 11 is matched with the guide groove 12, and a rubber waterstop 13 is arranged between the guide protrusion 11 and the guide groove 12. Through the cooperation of the guide protrusion 11 and the guide groove 12, the on-site construction efficiency can be improved, and through the arrangement of the rubber waterstop 13, the seepage during the drainage process can be effectively prevented, and the function of drainage is guaranteed.

[0028] The present application is described through preferred embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the present application. The present application is not limited by the specific embodiments disclosed herein, and other embodiments falling within the scope of the claims of the present application are within the scope of the present application.

Claims

1. A UHPC curb structure with drainage function, characterized in that: Including three kinds of prefabricated components longitudinally spaced along the two sides of the sidewalk, the three kinds of prefabricated components are integrally poured by using ultra-high performance concrete, the three kinds of prefabricated components are standard section (1), water inlet section (2) and sand discharge section (3) respectively, the three kinds of prefabricated components are internally communicated to form a drainage cavity (4), the standard section (1) is a closed structure, the water inlet section (2) is provided with a drainage hole (5) near the road surface side, the drainage hole (5) is embedded with a reinforcing mesh (51), the sand discharge section (3) is provided with a sand discharge hole (6) at a height of 0-100mm from the bottom surface on the side close to the green belt, and the green belt is provided with a sand settling well (7) corresponding to the position of the sand discharge hole (6).

2. The UHPC curb structure with drainage function according to claim 1, characterized in that: the drainage hole (5) is a rectangular hole structure, and the reinforcing mesh (51) is installed at the hole opening of the drainage hole (5).

3. The UHPC curb structure with drainage function according to claim 1, characterized in that: the reinforcing mesh (51) is welded into shape by Φ4-6mm steel, and the mesh size is 30×30mm to 50×50mm.

4. The UHPC curb structure with drainage function according to claim 1, characterized in that: the sand discharge hole (6) is a rectangular hole structure, the bottom elevation of the sand discharge hole (6) is consistent with the height of the bottom surface of the drainage cavity (4), and a 5% slope is formed, and a grating cover plate (61) is installed at the hole opening of the sand discharge hole (6).

5. The UHPC curb structure with drainage function according to claim 1, characterized in that: the layout mode of the three kinds of prefabricated components is to set a water inlet section (2) every 10m along the driving direction, set a sand discharge section (3) every 50m, and the rest sections are all standard sections (1).

6. The UHPC curb structure with drainage function according to claim 1, characterized in that: the top of the long distance standard section (1) is provided with an inspection cover plate (8), and the inspection cover plate (8) and the inclined surface on one side of the top of the standard section (1) form a triangular groove, which facilitates the opening of the inspection cover plate (8).

7. The UHPC curb structure with drainage function according to claim 1, characterized in that: the three kinds of prefabricated components are respectively provided with a guide protrusion (11) and a guide groove (12) between each other, the guide protrusion (11) is matched with the guide groove (12), and a rubber waterstop (13) is arranged between the guide protrusion (11) and the guide groove (12).

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