CN214328372U

CN214328372U - Road surface vertical kerb for anti-collision and shock absorption and having drainage function

Info

Publication number: CN214328372U
Application number: CN202022623034.XU
Authority: CN
Inventors: 杨华杰; 李印冬; 刘天明; 张剑; 谢榕; 陈颢; 赵健行; 董鹤儒
Original assignee: China MCC20 Group Corp Ltd
Current assignee: China MCC20 Group Corp Ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-10-01
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a curb is found on road surface that is used for crashproof shock attenuation and has drainage function concurrently, this curb includes road surface side building block, way dorsal part building block, apron and a plurality of high strength spring, road surface side building block and way dorsal part building block interval parallel arrangement form rectangular space between them, a plurality of high strength spring in bank intervals are located between road surface side building block and the way dorsal part building block, the apron is located road surface side building block and way dorsal part building block top surface and is covered rectangular space, road surface side building block is equipped with the outlet above the buried depth portion, rectangular space between outlet communicating channel side building block and the way dorsal part building block. The road surface vertical kerb overcomes the defects of the traditional vertical kerb, can provide buffer and counterforce for impacting vehicles to reduce impact force, prevent the vehicles from being injured by heavy personnel due to overlarge impulse, and accelerate the braking of the vehicles; simultaneously, the vertical kerbstone has a road surface drainage facility, can uniformly and intensively drain running water on the road surface, and reduces the accumulated water on the road surface to the maximum extent.

Description

Road surface vertical kerb for anti-collision and shock absorption and having drainage function

Technical Field

The utility model relates to a municipal works technical field especially relates to a curb is found on road surface that is used for crashproof shock attenuation and has drainage function concurrently.

Background

The road surface founds the kerb for setting up in the boundary stone at road surface edge, and the top surface that founds the kerb is higher than the road surface. The common vertical kerbstone comprises a concrete vertical kerbstone and a stone vertical kerbstone, wherein the concrete vertical kerbstone is a building block molded by taking concrete as a raw material, and the stone vertical kerbstone is formed by primarily processing and grinding stones; the vertical kerbstone has the function of distinguishing boundary lines of a traffic lane, a sidewalk, a green land, an isolation strip and other parts of a road on the road surface, and plays a role in guaranteeing the traffic safety of pedestrians and vehicles and ensuring the neat edge of the road surface. It also has the functions of calibrating the range of the roadway and longitudinally guiding and draining the water accumulated on the road surface.

At present, no matter the concrete vertical kerbs or the stone vertical kerbs have no anti-collision and shock-absorbing effects, when a vehicle collides with the vertical kerbs, the reaction force for buffering and shock absorption can not be applied to the vehicle, so that serious traffic safety accidents are caused, and therefore the shock absorption function of roads and bridge auxiliary facilities has important influence on driving safety. In addition, the lower part of the side of the traditional kerbstone pavement is generally provided with drainage grooves communicated with drainage pipelines at intervals so as to realize the drainage of the accumulated water on the pavement, but the drainage grooves are easy to block, so that the accumulated water on the pavement is not drained smoothly.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a road surface vertical kerb for anti-collision and shock absorption and having the function of water drainage, which overcomes the defects of the traditional vertical kerb, can provide buffer and reaction force for the impacting vehicle to reduce the impact force, prevent the vehicle from aggravating the injury of personnel due to overlarge impulse and accelerate the braking of the vehicle; simultaneously, the vertical kerbstone has a road surface drainage facility, can uniformly and intensively drain running water on the road surface, and reduces the accumulated water on the road surface to the maximum extent.

For solving the technical problem, the utility model is used for crashproof shock attenuation and have drainage function's road surface founds kerb includes road surface side building block, way dorsal part building block, apron and a plurality of high strength spring concurrently, road surface side building block and way dorsal part building block interval parallel arrangement form rectangular space between them, a plurality of high strength spring are located in bank interval between road surface side building block and the way dorsal part building block, the apron is located road surface side building block and way dorsal part building block top surface are and cover rectangular space, road surface side building block is equipped with the outlet in the deep part top of burying, the outlet intercommunication rectangular space between road surface side building block and the way dorsal part building block.

Further, both ends of the plurality of high-strength springs are respectively connected to the inside of the pavement side building block and the pavement side building block.

Further, this founds kerbstone still includes the steel wire screen panel, the steel wire screen panel is located the outlet of road surface side building block.

Further, the shape of the drainage port of the road surface side block is circular, rectangular or trapezoidal.

Further, the pavement side building blocks and the pavement side building blocks are formed by pouring concrete mortar.

Further, the cover plate is a rubber elastic plate or a rubber elastic filter screen.

Because the utility model is used for crashproof shock attenuation and have drainage function's road surface vertical kerb stone has adopted above-mentioned technical scheme concurrently, this vertical kerb stone includes road surface side building block promptly, the road surface side building block, apron and a plurality of high strength spring, road surface side building block and road surface side building block interval parallel arrangement form rectangular space between them, a plurality of high strength spring in bank intervals are located between road surface side building block and the road surface side building block, the apron is located road surface side building block and road surface side building block top surface and is covered rectangular space, road surface side building block is equipped with the outlet above the buried depth portion, rectangular space between outlet communication road surface side building block and the road surface side building block. The road surface vertical kerb overcomes the defects of the traditional vertical kerb, can provide buffer and counterforce for impacting vehicles to reduce impact force, prevent the vehicles from being injured by heavy personnel due to overlarge impulse, and accelerate the braking of the vehicles; simultaneously, the vertical kerbstone has a road surface drainage facility, can uniformly and intensively drain running water on the road surface, and reduces the accumulated water on the road surface to the maximum extent.

Drawings

The invention will be described in further detail with reference to the following drawings and embodiments:

FIG. 1 is a schematic view of a road surface vertical kerb used for anti-collision and shock absorption and having a drainage function;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a side view of fig. 1.

Detailed Description

Embodiment is as shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a road surface curb stone for crashproof shock attenuation and concurrently having drainage function includes road surface side building block 1, back side building block 2, apron 3 and a plurality of high-strength spring 4, road surface side building block 1 and back side building block 2 interval parallel arrangement form rectangular space 11 between them, a plurality of high-strength spring 4 are arranged in row interval between road surface side building block 1 and back side building block 2, apron 3 is located road surface side building block 1 and back side building block 2 top surface and cover rectangular space 11, road surface side building block 1 is equipped with outlet 13 above buried depth portion 12, outlet 13 intercommunication rectangular space 11 between road surface side building block 1 and back side building block 2.

Preferably, both ends of the high-strength springs 4 are respectively connected to the inside of the pavement side block 1 and the back side block 2, so that the overall rigidity of the pavement side block, the back side block and the high-strength springs is improved.

Preferably, the curb further comprises a wire mesh enclosure 5, wherein the wire mesh enclosure 5 is arranged at the water outlet 13 of the pavement side building block 1. The steel wire mesh enclosure is used for filtering sundries in rainwater, and ensures smooth drainage.

Preferably, the drainage port 13 of the road surface side block 1 is circular, rectangular or trapezoidal in shape.

Preferably, the pavement side block 1 and the pavement side block 2 are formed by pouring concrete mortar.

Preferably, the cover plate 3 is a rubber elastic plate or a rubber elastic screen. The rubber elastic plate can avoid rigid connection between the pavement side building block 1 and the pavement side building block 2, has certain elastic allowance after receiving impact force, and is cooperated with the damping action of a high-strength spring; the rubber elastic filter screen has a damping effect, and can block garbage with large particle size outside by passing water, so that smooth drainage is ensured.

This founds kerb mainly by road surface side building block and the back side building block that both sides concrete mortar was pour, sets up a plurality of high-strength spring between road surface side building block and the back side building block and constitutes, and is as an organic whole with a plurality of high-strength spring and both sides concrete placement when prefabricating this founds kerb. And a water outlet with a steel wire mesh enclosure is arranged above the buried part of the pavement side building block so as to collect the pavement flowing water and intensively discharge the pavement flowing water to the corresponding pipe well. The two sides of the vertical kerbstone are connected and fixed through the high-strength springs, and a drainage pipeline is formed in a gap between the two sides, so that rainwater entering from the drainage outlet can be collected, and accumulated water on the road surface is avoided.

The drainage port in the vertical kerbstone can be rectangular, circular or trapezoidal, and the area of the drainage port is set according to the design standard and parameters of the rainwater pipeline.

Designing a rainwater flow formula:

Q＝q×ψ×S (1)

in the formula: q is designed flow rate of rainwater (L/S), Q is designed rainstorm intensity [ L/(S & ha) ], psi is runoff coefficient, and S is designed catchment area (ha), and the area of the water outlet is designed according to catchment area S of formula (1).

And (3) determining the impact force of the vehicle according to the formula (2) according to the combination of the mass of the vehicle, the road design speed and the impact duration of the road running design standard.

F×t＝m×v (2)

In the formula: f is the vehicle impact force, t is the vehicle impact duration, m is the vehicle mass, and v is the instantaneous speed of the vehicle impact. And (3) determining the mechanical property index of the high-strength spring according to the vehicle impact force F in the formula (2), further determining the maximum deformation amount of the kerbstone, and finally determining the combination of the stiffness coefficient of the high-strength spring and the number of the high-strength springs according to the formula (3).

F(x)＝k×∫f(x)dx (3)

In the formula: f (x) is the mechanical property index of the high-strength spring, k is a constant, i.e. the stiffness coefficient of the high-strength spring, and ^ f (x) dx is the deformation amount of the high-strength spring under the action of force.

And determining various design parameters of the vertical kerbstone according to the design height of the vertical kerbstone on the two sides of the road or the bridge, the burial depth of the vertical kerbstone and the size and the shape of the opening of the water outlet. And prefabricating the vertical kerbstone in a factory according to various design parameters, the selected high-strength springs, the number and the arrangement intervals. In the prefabricating process, firstly, erecting a formwork for the pavement side building blocks and the pavement side building blocks, arranging and fixing a high-strength spring and a steel wire mesh enclosure, and then pouring concrete mortar with proper strength; placing the poured vertical kerb in a curing room for curing; and demolding and storing for later use when the strength grade of the concrete reaches the designed strength.

This vertical kerb has good shock attenuation performance, adopts high strength spring to connect curb side building block and roadside building block, has certain shock attenuation energy-absorbing function, and when the vehicle striking was on vertical kerb, the certain cushioning effect can be given to the vehicle to the high strength spring on the vertical kerb, and personnel's safety and vehicle safety in furthest's assurance car force the vehicle to slow down rapidly, avoid taking place the incident. Meanwhile, the vertical kerbstone has the drainage function, the drainage port is formed in the road surface side building block, the gap between the road surface side building block and the road surface side building block collects flowing water on the road surface and the sidewalk and is intensively drained, the gap forms a road drainage ditch, the road surface drainage function is greatly improved in urban roads with increasingly tense land resources, the possibility of waterlogging of the urban roads is reduced, and the land resources are fully utilized. The water outlet is provided with the steel wire mesh enclosure, so that sundries such as stones, garbage, leaves and the like can be effectively prevented from entering the drainage channel, a good filtering function is achieved, and the drainage function of the vertical kerbstone is ensured.

Claims

1. The utility model provides a curb is found on road surface that is used for crashproof shock attenuation and has drainage function concurrently which characterized in that: this founding kerbstone includes road surface side building block, the dorsal part building block of road, apron and a plurality of high strength spring, road surface side building block and the dorsal part building block interval parallel arrangement of road form rectangular space between them, a plurality of high strength spring are located in bank interval between road surface side building block and the dorsal part building block, the apron is located road surface side building block and dorsal part building block top surface are and cover rectangular space, road surface side building block is equipped with the outlet in buried depth portion top, the outlet intercommunication rectangular space between road surface side building block and the dorsal part building block.

2. The road surface vertical kerb for anti-collision and shock absorption and with the function of water drainage as claimed in claim 1, is characterized in that: and two ends of the high-strength springs are respectively connected to the interior of the pavement side building block and the interior of the pavement side building block.

3. The road surface vertical kerb for anti-collision and shock absorption and having the water drainage function as claimed in claim 1 or 2, wherein: this founds kerbstone still includes the steel wire screen panel, the steel wire screen panel is located the outlet of road surface side building block.

4. The road surface vertical kerb for anti-collision and shock absorption and with the function of water drainage as claimed in claim 3, is characterized in that: the drainage port of the road surface side building block is circular, rectangular or trapezoidal.

5. The road surface vertical kerb for anti-collision and shock absorption and with the function of water drainage as claimed in claim 3, is characterized in that: and the pavement side building blocks are formed by pouring concrete mortar.

6. The road surface vertical kerb for anti-collision and shock absorption and with the water drainage function as claimed in claim 4 or 5, is characterized in that: the cover plate is a rubber elastic plate or a rubber elastic filter screen.