CN108191331B - Hollow kerb capable of cleaning and permeating water and bearing runoff - Google Patents

Abstract

The invention discloses a cleanable water-permeable hollow curb for bearing runoff, which comprises a bottom wall 1, a left wall 3, a right wall 4, a front wall 5 and a rear wall 6, wherein the inner surfaces of the upper parts of the front wall and the rear wall are provided with lugs 7, a top wall 2 is movably connected with the lugs, the bottom wall, the left wall, the right wall, the top wall, the lower parts of the front wall and the upper parts of the rear wall are made of concrete, the upper part of the front wall is made of a material with a water permeable function, and the lower part of the rear wall is made of a material with a water permeable function. Compared with the traditional curb, the clean permeable hollow curb for bearing runoff can effectively absorb the runoff rainwater formed on the road, avoid water accumulation on the road, slow down urban flood disasters, supplement underground water resources, provide water for the growth of green plants on two sides of the road and reduce the maintenance cost. Meanwhile, the designed flushable structure can facilitate the back washing of the high-pressure water gun, prolong the service life of the kerbstone and reduce the cost.

Description

Hollow kerb capable of cleaning and permeating water and bearing runoff

Technical Field

The invention relates to the technical field of road construction, in particular to a roadside building accessory capable of collecting and absorbing rainwater in highway runoff, and particularly relates to a runoff bearing permeable clean curb.

Technical Field

The curb is a road band building annex that road construction in-process often can use, generally is as setting up at the road surface edge and the bar stone of other structure strip separations, also can play and stabilize the road bed, maintains driving safety's effect, and it is very extensive to use in road construction in-process. But when traditional curb partition region, hindered the normal drainage of road, lead to the surface ponding serious, especially in the rainy weather in south or the rainy weather of north concentration, very easily cause rainy day surface ponding, influence driving safety. With the increase of the hardened ground of the city, rainfall is directly discharged into a drainage pipe network, so that underground water cannot be effectively supplemented, and the urban green land is also required to be specially watered and irrigated. Urban water resource not only can't make full use of for the rainwater is extravagant in a large number, but also need extract groundwater resources and irrigate the plant, and the increase maintenance cost reduces ground water level, causes very big waste and environmental problem.

Disclosure of Invention

The invention aims to solve the problems, and provides a clean permeable hollow curb bearing runoff, which can effectively absorb the runoff rainwater formed on a road, avoid water accumulation on the road, slow down urban flood disasters, supplement underground water resources, provide moisture for the growth of green plants on two sides of the road and reduce maintenance cost.

The technical scheme of the invention is summarized as follows:

the utility model provides a accept cavity curb that permeates water of runoff can clean, includes diapire 1, left wall 3, right wall 4, antetheca 5 and back wall 6, is provided with lug 7 at the internal surface on the upper portion of antetheca and back wall, roof 2 and lug swing joint, the material on the lower part of diapire, left wall, right wall, roof, antetheca and the upper portion of back wall is the concrete, and the upper portion of antetheca is for having the material of the function of permeating water, and the lower part of back wall is for having the material of the function of permeating water.

The concrete has strength above C20.

The material with the water permeating function is prepared by the following method: mixing the following components in a mass ratio of (0.6-0.8): (0.1-0.25): (0.01-0.1): (0.05-0.2) and (0.005-0.04): (0-0.08) 4-6 mesh quartz sand, ordinary portland cement, silica fume, fly ash, calcium nitrate and pigment, wherein the water-cement ratio is 0.3-0.4, the mixing amount of the polycarboxylic acid water reducing agent is 2-5% of water, the materials are uniformly mixed, after casting and molding in a mold, a sodium silicate aqueous solution with the mass concentration of 2-40% is smeared on the outer surface, and the sodium silicate aqueous solution permeates to the inner surface and is dried; then, 2 to 40 mass percent of potassium carbonate aqueous solution is coated and permeated to the inner surface, and then a layer of nano titanium dioxide powder is coated.

The material with the water seepage function is prepared by the following method: mixing the following components in a mass ratio of (0.6-0.8): (0.1-0.25): (0.01-0.1): (0.05-0.2) and (0.005-0.04): (0-0.08) 8-12 mesh quartz sand, ordinary portland cement, silica fume, fly ash, calcium nitrate and pigment, wherein the water-cement ratio is 0.3-0.4, the mixing amount of the polycarboxylic acid water reducing agent is 2-5% of water, the materials are uniformly mixed, after casting and molding in a mold, a sodium silicate aqueous solution with the mass concentration of 2-40% is smeared on the outer surface, and the sodium silicate aqueous solution permeates to the inner surface and is dried; and then smearing 2-40 mass percent of potassium carbonate water solution to permeate into the inner surface.

The invention has the advantages that:

compared with the traditional curb, the clean permeable hollow curb for bearing runoff can effectively absorb the runoff rainwater formed on the road, avoid water accumulation on the road, slow down urban flood disasters, supplement underground water resources, provide water for the growth of green plants on two sides of the road and reduce the maintenance cost. Meanwhile, the designed flushable structure can facilitate the back washing of the high-pressure water gun, prolong the service life of the kerbstone and reduce the cost.

Drawings

FIG. 1 is a schematic view of a cleanable water permeable hollow curb for receiving runoff according to the present invention.

Fig. 2 is a longitudinal sectional view of fig. 1 from the front to the rear.

FIG. 3 is a schematic view showing a clean water-permeable hollow curb for receiving runoff in accordance with the present invention.

FIG. 4 is a view of a cleanable water permeable hollow curb mold for receiving runoff according to the present invention, wherein A in FIG. 4 is a schematic view of the mold except for the top wall; b is a schematic view of the top wall mold; and C is an assembly schematic diagram after molding by using a mold.

Detailed Description

The invention is further illustrated by the figures and the examples.

The utility model provides a clean cavity curb that permeates water of accepting runoff, see fig. 1 and fig. 2, includes diapire 1, left wall 3, right wall 4, antetheca 5 and back wall 6, is provided with lug 7 at the internal surface on the upper portion of antetheca and back wall, and roof 2 and lug swing joint, the material on the lower part of diapire, left wall, right wall, roof, antetheca and the upper portion of back wall is the concrete, and the upper portion of antetheca is the material that has the function of permeating water, and the lower part of back wall is the material that has the function of permeating water.

The concrete has strength of C20 or above.

Example 1

The material with the water permeating function is prepared by the following method: mixing the components in a mass ratio of 0.7:0.2: 0.05: 0.1:0.02: 0.04 of 6-mesh quartz sand, ordinary portland cement, silica fume, fly ash, calcium nitrate and pigment, wherein the water-cement ratio is 0.3, the mixing amount of the polycarboxylic acid water reducing agent is 4 percent of water, the materials are uniformly mixed, after casting and molding in a mold, a sodium silicate aqueous solution with the mass concentration of 20 percent is smeared on the outer surface, and the mixture is permeated to the inner surface and dried; and then coating a potassium carbonate water solution with the mass concentration of 20%, penetrating into the inner surface, and coating a layer of nano titanium dioxide powder.

Example 2

The material with the water permeating function is prepared by the following method: mixing the components in a mass ratio of 0.6:0.25: 0.01: 0.2:0.005: 0.08 of 4-mesh quartz sand, ordinary portland cement, silica fume, fly ash, calcium nitrate and pigment, wherein the water-cement ratio is 0.3, the mixing amount of the polycarboxylic acid water reducing agent is 5 percent of water, the materials are uniformly mixed, and after the materials are cast and molded in a mold, a sodium silicate aqueous solution with the mass concentration of 2 percent is smeared on the outer surface and permeates to the inner surface, and the materials are dried; and then coating a 2% potassium carbonate aqueous solution by mass concentration, permeating the potassium carbonate aqueous solution into the inner surface, and then coating a layer of nano titanium dioxide powder.

Example 3

The material with the water permeating function is prepared by the following method: mixing the components in a mass ratio of 0.8:0.1: 0.05:0.04 of 6-mesh quartz sand, ordinary portland cement, silica fume, fly ash and calcium nitrate, wherein the water-cement ratio is 0.4, the mixing amount of the polycarboxylic acid water reducing agent is 2 percent of water, the materials are uniformly mixed, after casting and molding in a mold, a sodium silicate aqueous solution with the mass concentration of 40 percent is smeared on the outer surface, and the sodium silicate aqueous solution permeates into the inner surface and is dried; and then coating a potassium carbonate water solution with the mass concentration of 40%, permeating into the inner surface, and coating a layer of nano titanium dioxide powder.

Example 4

The material with the water seepage function is prepared by the following method: mixing the components in a mass ratio of 0.7:0.2: 0.05: 0.1:0.02: 0.04 of 10-mesh quartz sand, ordinary portland cement, silica fume, fly ash, calcium nitrate and pigment, wherein the water-cement ratio is 0.3, the mixing amount of the polycarboxylic acid water reducing agent is 4 percent of water, the materials are uniformly mixed, after casting and molding in a mold, a sodium silicate aqueous solution with the mass concentration of 20 percent is smeared on the outer surface, and the mixture is permeated to the inner surface and dried; and then coating a potassium carbonate aqueous solution with the mass concentration of 20% to permeate into the inner surface.

Example 5

The material with the water seepage function is prepared by the following method: mixing the components in a mass ratio of 0.6:0.25: 0.01: 0.2:0.005: 0.08 of 8-mesh quartz sand, ordinary portland cement, silica fume, fly ash, calcium nitrate and pigment, wherein the water-cement ratio is 0.3, the mixing amount of the polycarboxylic acid water reducing agent is 5 percent of water, the materials are uniformly mixed, and after the materials are cast and molded in a mold, a sodium silicate aqueous solution with the mass concentration of 2 percent is smeared on the outer surface and permeates to the inner surface, and the materials are dried; and then, a potassium carbonate aqueous solution with the mass concentration of 2% is coated and permeated to the inner surface.

Example 6

The material with the water seepage function is prepared by the following method: mixing the components in a mass ratio of 0.8:0.1: 0.05:0.04 of 12-mesh quartz sand, ordinary portland cement, silica fume, fly ash and calcium nitrate, wherein the water-cement ratio is 0.4, the mixing amount of the polycarboxylic acid water reducing agent is 2 percent of water, the materials are uniformly mixed, after casting and molding in a mold, a sodium silicate aqueous solution with the mass concentration of 40 percent is smeared on the outer surface, and the sodium silicate aqueous solution permeates into the inner surface and is dried; and then coating a potassium carbonate aqueous solution with the mass concentration of 40% to permeate into the inner surface.

Example 7

A clean permeable hollow curb bearing runoff is prepared, a mould is designed according to figures 1 and 2, the mould is shown as A and B in figure 4, strength C20 concrete is poured into the mould in figure 4A corresponding to a bottom wall according to a conventional technical means, the concrete is compacted by vibration, strength C20 concrete is poured into the lower part of a left wall, the lower part of a front wall and the lower part of a right wall, and a material with a water seepage function is prepared into the lower part of a rear wall according to the method of example 4; pouring C20 concrete with strength to the upper part of the left wall, the upper part of the rear wall and the upper part of the right wall, and preparing the material with the water permeability function to the upper part of the front wall according to the method in the embodiment 1; pouring concrete with the strength of C20 into the mold of FIG. 4B to obtain the cleanable water permeable hollow curb bearing runoff.

Materials with water permeating function prepared by the method of example 4 in the embodiment can be replaced by materials with water permeating function prepared by the materials with water permeating function of examples 5 and 6; other similar to this embodiment, can prepare and accept the hollow curb of permeating water of clean of runoff.

Materials with water permeability functions prepared by the materials with water permeability functions of the examples 2 and 3 can be respectively used for replacing the materials with water permeability functions prepared by the method of the example 4 in the embodiment; other similar to this embodiment, can prepare and accept the hollow curb of permeating water of clean of runoff.

The front wall of the cleanable permeable hollow curb for bearing runoff is arranged towards one side of a road bed, and the lower part of the curb plays roles in retaining soil, bearing load and stabilizing the road bed; the upper part of the front wall has a water permeable function and is used for bearing the rainwater runoff of the road surface; the hollow water storage area is used for storing rainwater which permeates in; the roof is used for closing cap cavity retaining area, intercepts dust, and the jam appears in the district of permeating water, can open the roof, carries out the back flush to the district of permeating water with high-pressure squirt. The lower part of the rear wall with the water seepage function is in contact with the green land, and fine sand is filled between the green land and the hollow curb, so that the influence of soil on rainwater seepage due to blockage of gaps at the lower part of the rear wall is avoided.

Claims (2)

1. A hollow kerb capable of cleaning and permeating water for bearing runoff is characterized by comprising a bottom wall (1), a left wall (3), a right wall (4), a front wall (5) and a rear wall (6), wherein the inner surfaces of the upper parts of the front wall and the rear wall are provided with lugs (7), a top wall (2) is movably connected with the lugs, the lower parts of the bottom wall, the left wall, the right wall, the top wall, the front wall and the upper parts of the rear wall are made of concrete, the upper part of the front wall is made of a material with a water permeating function, and the lower part of the rear wall is made of a material with a water permeating function;

the material with the water permeating function is prepared by the following method: mixing the following components in a mass ratio of (0.6-0.8): (0.1-0.25): (0.01-0.1): (0.05-0.2) and (0.005-0.04): (0-0.08) 4-6 mesh quartz sand, ordinary portland cement, silica fume, fly ash, calcium nitrate and pigment, wherein the water-cement ratio is 0.3-0.4, the mixing amount of the polycarboxylic acid water reducing agent is 2-5% of water, the materials are uniformly mixed, after casting and molding in a mold, a sodium silicate aqueous solution with the mass concentration of 2-40% is smeared on the outer surface, and the sodium silicate aqueous solution permeates to the inner surface and is dried; then, smearing a potassium carbonate water solution with the mass concentration of 2-40%, permeating the potassium carbonate water solution to the inner surface, and smearing a layer of nano titanium dioxide powder;

the material with the water seepage function is prepared by the following method: mixing the following components in a mass ratio of (0.6-0.8): (0.1-0.25): (0.01-0.1): (0.05-0.2) and (0.005-0.04): (0-0.08) 8-12 mesh quartz sand, ordinary portland cement, silica fume, fly ash, calcium nitrate and pigment, wherein the water-cement ratio is 0.3-0.4, the mixing amount of the polycarboxylic acid water reducing agent is 2-5% of water, the materials are uniformly mixed, after casting and molding in a mold, a sodium silicate aqueous solution with the mass concentration of 2-40% is smeared on the outer surface, and the sodium silicate aqueous solution permeates to the inner surface and is dried; and then smearing 2-40 mass percent of potassium carbonate water solution to permeate into the inner surface.

2. The cleanable permeable hollow curb for receiving runoff according to claim 1 wherein the concrete is strength C20 and above.

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