CN205474680U - Permeable pavement - Google Patents

Abstract

The utility model relates to a permeable pavement, on the follow to include in proper order down the decorative surface course that permeates water, benchmark macropore permeate water concrete layer, coarse sand worry water layer, graded macadam bedding layer, strain the soil layer and tamp plain soil layer with instead. Is the decorative surface course that permeates water a thickness 30 5mm's the colour concrete layer that permeates water is formed by aggregate, cement of high index, admixture, water -base resin, colored hardening agent, stabilizer and water stirring, and porous matter is light, and the hole is even, is cellular texture. Permeating water concrete layer, the benchmark macropore be equipped with the reinforcing bar mesh grid in. The beneficial effects of the utility model are that, bearing capacity is big, and long service life permeates water, breathes freely, can prevent the surface gathered water, and do not reflect light night, increases road surface security and current travelling comfort. Still enabling the rainwater and infiltrating the underground rapidly, reduction groundwater keeps soil moisture, safeguards the ecological balance of groundwater and soil, can avoid again causing the setting of ground because of excessively exploiting groundwater.

Description

A kind of porous pavement

Technical field:

The present invention relates to a kind of road surface, particularly relate to a kind of porous pavement with good ecological benefits.

Background technology:

Live and water for industrial use is still based on subsoil water, excessive exploitation so that level of ground water drastically declines, ground Table ecology starts unbalance, and environmental problem is increasingly severe.The soil surface that reasonable employment is the most penetrating, maximum Limit ground maintains original naturalness to have become as the focal issue that the mankind are very important.Every summer I State city is attacked by torrential rain the most again and again, and rain calamity " grade " raises year by year, 10 years one chances, 50 Year one meet the most a-hundred-year report and constantly impact the eyeball of people.After heavy rain, each city all occurs Serious seeping phenomenon, causes traffic jam, power breakdown, house is flooded but is undisputable fact.Expert Pointing out, the main cause causing this situation is that China's urban pavement is waterproof.In urban construction, many City uses cement, pitch, concrete etc. to close earth's surface in a large number, replaces original soil surface；To People's Bank of China The public places such as road, open parking ground, garden and square, also like with the most beautiful stone slab or cement Azulejo is laid.Closing earth's surface is while improving traffic and road conditions, beautifying the environment, also to urban ecology Significant adverse effect is produced: city becomes " artificial desert " with climatic environment.Close earth's surface and high buildings and large mansions Making the earth's surface of Metroplises progressively be hardened covering by material water-proof material, moisture oozes under being difficult to, and precipitation quickly becomes For rainwash, enter river course or subsoil drain, define " the artificial desert " on ecology.City City's " tropical island effect " is serious.Fluid-tight road surface lacks urban surface temperature, the regulating power of humidity, Rainwater evaporation is fast, and earth's surface is easily dried, dust pollution weight；And moisture rapid evaporation after rain, air humidity is big, People is made to feel sultry hard to bear, the most abnormal dry, produce the city " tropical island effect " on meteorology.Underground Water level presents " funnel type ".Waterproof pavement prevents recharge of ground water path, the in addition mistake of urban groundwater Amount extraction, causes Urban Underground water level more and more lower, causes surface subsidence, and coastal area also results in sea water Pour in down a chimney；Cause " funnel type " level of ground water geologically.City spreads all over " death ground ".Hardening is not Pervious surface makes for regulating the ground flora growth difficulty of miniclimate in city, and some trees are even because of root system Hydropenia is dead, lodging, thus loses Ecology Action.Rainwash produces serious shadow to urban surface water quality Ring.Owing to urban surface exists a large amount of dust and various pollutant, although therefore discharge series process washing Earth's surface, but brought these pollutant into city river the most rapidly.In recent years, each city, the whole nation is the biggest Amount builds road, and this is very easy to the trip of people and promotes China's expanding economy.But due to city City's road the most all uses fluid-tight hard surface (i.e. " cement " road surface), also brings to city Problem in terms of many traffic and environment.Owing to road surface can not penetrating rainwater so that rainwater is to subsoil water Supplement and be blocked, and city is due to the collection subsoil water that all exceeds standard every year, if rainfall can not be entered again timely and effectively Row supplements, it will form surface subsidence district, geology and building constructions etc. cause huge damage.Hardening road Serious harm also can be brought to ecology in face, it make aquatic eco-factor cannot normal circulation, broken city raw The balance of state system so that the normal growth of vegetation is destroyed.

Summary of the invention:

The purpose of this utility model is to provide a kind of good water permeability, good permeability, permeable road that comprcssive strength is high Face.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of porous pavement, includes ornamental permeable surface layer, benchmark macropore pervious concrete the most successively Layer, coarse sand consider water layer, granular cushion, anti-filter soil layer and compacting element soil layer.Permeable of described dicoration Layer is the colorful water-permeable concrete layer of thickness 30-5mm, by aggregate, high-mark cement, admixture, aqueous tree Fat, colored hardening agent, stabilizer and water stirring form, porous light weight, and hole is uniform, in alveolate texture. Described benchmark macropore pervious concrete layer is the pervious concrete layer of thickness 60-150mm, by by aggregate, high standard Number cement and admixture mix, and inside is provided with crisscross reinforcing bar mesh grid, and comprcssive strength is big, holds Loading capability is big, extends the service life on road surface.It is 20mm that described coarse sand considers the thickness of water layer, diameter be more than The coarse sand composition of 3mm.The thickness of described granular cushion is 100-200mm, particle diameter be 30-40mm Aggregate chips composition.Described anti-filter soil layer be a layer thickness be the work cloth of 1-3mm.

The beneficial effects of the utility model are, bearing capacity is big, and service life is long, permeable, ventilative, can prevent Only surface gathered water, night is non-reflective, increases road surface safety and current comfortableness.Rainwater can also be made to ooze rapidly Enter underground, reduction subsoil water, keep soil moisture, safeguard the ecological balance of subsoil water and soil, can keep away again Exempt to cause setting of ground because of exhaustive exploitation subsoil water.Unique pore structure, it is at heat absorption and heat storage function The ground that aspect is covered close to natural vegetation, the temperature and humidity of regulation city space, alleviate Urban Thermal Island effect.

Accompanying drawing illustrates:

Fig. 1 is structural representation of the present utility model.

In figure: 1 ornamental permeable surface layer, 2 benchmark macropore pervious concrete layers, 3 coarse sands consider water layers, 4 grades Join blotter, 5 anti-filter soil layers 6, compacting element soil layer.

Detailed description of the invention:

As it is shown in figure 1, a kind of porous pavement, include ornamental permeable surface layer (1), base the most successively Quasi-macropore pervious concrete layer (2), coarse sand consider water layer (3), granular cushion (4), anti-filter soil layer (5) With compacting element soil layer (6).The permeable surface layer of described dicoration (1) is the colorful water-permeable coagulation of thickness 30-5mm Soil layer, is stirred by aggregate, high-mark cement, admixture, water-base resin, colored hardening agent, stabilizer and water Mixing and form, porous light weight, hole is uniform, in alveolate texture.Described benchmark macropore pervious concrete layer (2) For the pervious concrete layer of thickness 60-150mm, mixed by by aggregate, high-mark cement and admixture, Inside is provided with crisscross reinforcing bar mesh grid, and comprcssive strength is big, and bearing capacity is big, extends the use on road surface Life-span.It is 20mm that described coarse sand considers the thickness of water layer (3), is made up of the diameter coarse sand more than 3mm.Described The thickness of granular cushion (4) is 100-200mm, is made up of the aggregate chips that particle diameter is 30-40mm. Described anti-filter soil layer (5) be a layer thickness be the work cloth of 1-3mm.

Advantage of the present utility model has: 1, porous pavement has series color scheme, can be according to surrounding Needs are designed, and have stronger dicoration.2, colorful water-permeable road surface prevents surface gathered water, and night is the most anti- Light, increases road surface safety and current comfortableness.3, the water penetration of pervious concrete pavement, can make rainwater fast Speed permeates the ground, reduction subsoil water, keeps soil moisture, safeguards the ecological balance of subsoil water and soil, again It is avoided that and causes setting of ground because of exhaustive exploitation subsoil water.4, porous pavement has the pore structure of uniqueness, Its ground covered close to natural vegetation in terms of heat absorption and heat storage function, the temperature of regulation city space And humidity, alleviate urban heat land effect.5, the porosity of porous pavement is relatively big, has sound absorption, can subtract Few environment noise.6, porous pavement bearing capacity is big, and service life is long, and permeable, ventilative is effective.

Claims (2)

1. a porous pavement, it is characterized in that: include that ornamental permeable surface layer, benchmark macropore pervious concrete layer, coarse sand consider water layer, granular cushion, anti-filter soil layer and compacting element soil layer the most successively, the permeable surface layer of described dicoration is the colorful water-permeable concrete layer of thickness 30-5mm, hole is uniform, in alveolate texture.

Porous pavement the most according to claim 1, is characterized in that: described benchmark macropore pervious concrete layer is the pervious concrete layer of thickness 60-150mm, and inside is provided with crisscross reinforcing bar mesh grid.