A kind of pervious surface system and method for paving
Technical field
The present invention relates to road pavement technical field, especially relate to a kind of pervious surface system and method for paving.
Background technology
Along with the development of urban construction, non-pervious surface decoration area is increasing, and environment is severely impacted, and the phenomenon such as urban heat land effect, flood, depletion of groundwater is on the rise.Therefore, increasing urban water-through ground extremely urgent, the product such as permeable Ceramic Tiles, pervious concrete brick, sand base water-permeable brick arises at the historic moment.
But, owing to current city environmental pollution is the most serious, dust and other particulate matters are more, the new various water-permeable bricks laid have comparatively ideal permeable effect, after a period of time, the particulate matter such as foreign material and dust is easy to permeable hole contamination and plugging, and permeable hole is difficult to clear up, and water permeable ability drastically declines.A lot of pervious surface system water permeable abilities after one-year age only have about 10%, almost lose pervious function.
Summary of the invention
It is an object of the invention to provide a kind of pervious surface system and method for paving, to solve technical problem of serious failure after pervious surface present in prior art uses a period of time.
The present invention provides a kind of pervious surface system, including porous base course, described porous base course be arranged above with permeable surface layer;Described permeable surface layer includes ovum metalling, fixed mesh, water-permeable brick and permeable bar;Described ovum metalling is laid in fixed mesh, and described fixed mesh top is provided with the fixing post of projection, and described water-permeable brick is fixed on fixing post;Described water-permeable brick is made up of the seepy material possessing pore structure, is provided with gap between two pieces of adjacent water-permeable bricks, and the sidewall of adjacent water-permeable brick forms card together with gap and sets structure;Permeable bar is made up of microporous permeable elastomeric material, is fastened in gap.
Further, the material of described fixed mesh is plastics or cement.
Further, the one during described water-permeable brick is pervious concrete brick, permeable Ceramic Tiles or sand base water-permeable brick.
Further, formation inclined-plane or sunk structure at the bottom surface outer rim that described water-permeable brick connects with described porous base course, the cross section of described sunk structure is rectangular or circular arc.
Further, the end face of described water-permeable brick is identical with bottom surface size and shape, and its side is formed groove structure, and the cross section of described groove structure is trapezoidal, circular arc or rectangle.
Further, described permeable bar is fastened in the gap of two pieces of described water-permeable bricks, and the upper surface of described permeable bar is less than the upper surface of described water-permeable brick.
Further, described permeable bar is solid permeable rubber strip or hollow permeable rubber strip, is covered with permeable micropore, and at least contains hydrophilic macromolecule composition inside described permeable rubber strip material.
Further, the material of described permeable bar comprises Nano titanium dioxide;Or the surface of described permeable bar scribbles Nano titanium dioxide;Or the material of described permeable bar comprises nanometer level silver oxide;Or the surface of described permeable bar scribbles nanometer level silver oxide.
Further, the one during the material of described porous base course is at least sandstone compound, pervious concrete.For porous base course, there is certain load-bearing requirements, non-driving ground need not pour, load-bearing requirements is relatively low, sandstone compound etc. can be used to constitute, on driving ground, then porous base course can pour with the pervious concrete of respective strengths grade, or first laying sandstone compound pours pervious concrete again.
A kind of pervious surface system that the present invention provides, in use, impurity can filter and stay surface, and water can flow through water-permeable brick and permeable bar, and porous base course has permeable ability, water continues to flow through porous base course, flows ultimately in soil or is flowed in gutter by surge tank.
The permeable bar that a kind of pervious surface system that the present invention provides is used comprises in the material or surface scribbles Nano titanium dioxide (TiO2), titanium dioxide is under the irradiation of light or produces similar photosynthetic light-catalyzed reaction, produce the extremely strong free hydroxy of oxidability and active oxygen, there is the strongest photoredox function, the various organic compound of classification and part inorganic matter can be aoxidized, thus resolve into free of contamination water and titanium dioxide by covering the dirt on permeable bar surface, possess self-cleaning ability.
The permeable bar that a kind of pervious surface system that the present invention provides is used comprises in the material or surface scribbles nanometer level silver oxide, and nanometer level silver oxide has the strongest long-acting bactericidal effect, makes antibacterial cannot survive in permeable bar, it is to avoid some diseases produces.
It is known that all water-permeable bricks all cannot be avoided after being trampled for a long time being blocked by earth dust, but use the pervious surface system of the present invention can keep the water penetration in gap by regularly cleaning or replacing permeable bar.First because permeable bar surface is less than water-permeable brick surface, so will not being trampled and strongly being filled in mud, second because permeable bar is also equipped with elasticity, so being easy to when cleaning with giant remove surface dirt, 3rd permeable article can also pull out replacing easily, summing up above three, it is low that this pervious surface system has maintenance cost, the feature that service life is longer.
The present invention also provides for the method for paving of a kind of pervious surface, comprises the following steps:
1) porous base course is laid on the concrete on the ground of compacting or with surge tank;
2) fixed mesh is set on described porous base course, described ovum metalling is laid in fixed mesh;
3) on fixing post protruding on fixed mesh, water-permeable brick, preset clearance between adjacent described water-permeable brick are installed;
4) in reserved described gap, permeable bar is installed.
The method for paving of a kind of pervious surface system that the present invention provides, can be according to road or the width x length in place, size, uses the fixed mesh of disparate modules to be combined assembly, meets design requirement.Because of its specific network, in actual pavement construction, workmen can effectively ignore the construction of screed-coat, accelerating construction progress, and water-permeable brick surfacing after constructing, and spacing is uniform, greatly facilitates the installation of follow-up permeable bar.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The top view of a kind of pervious surface system that Fig. 1 provides for the embodiment of the present invention;
The schematic diagram of the permeable surface layer of a kind of pervious surface system that Fig. 2 provides for the embodiment of the present invention;
The schematic diagram of the fixed mesh of a kind of pervious surface system that Fig. 3 provides for the embodiment of the present invention;
The sectional view of a kind of pervious surface system that Fig. 4 provides for the embodiment of the present invention;
The sectional view of a kind of pervious surface system that Fig. 5 provides for the embodiment of the present invention;
The sectional view of a kind of pervious surface system that Fig. 6 provides for the embodiment of the present invention;
The sectional view of a kind of pervious surface system that Fig. 7 provides for the embodiment of the present invention;
The sectional view of a kind of pervious surface system that Fig. 8 provides for the embodiment of the present invention;
The sectional view of a kind of pervious surface system that Fig. 9 provides for the embodiment of the present invention;
The FB(flow block) of the method for paving of a kind of pervious surface that Figure 10 provides for the embodiment of the present invention;
The bottom schematic view of a kind of water-permeable brick that Figure 11 provides for the embodiment of the present invention;
The bottom schematic view of a kind of water-permeable brick that Figure 12 provides for the embodiment of the present invention;
The bottom schematic view of a kind of water-permeable brick that Figure 13 provides for the embodiment of the present invention;
The bottom schematic view of a kind of water-permeable brick that Figure 14 provides for the embodiment of the present invention.
Reference
1-porous base course;2-water-permeable brick;The permeable bar of 3-;4-fixed mesh;
5-fixes post;6-fixes groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of the description present invention and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected;Can be to be mechanically connected, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
Embodiment 1
The top view of a kind of pervious surface system that Fig. 1 provides for the embodiment of the present invention.As depicted in figs. 1 and 2, the permeable surface layer of a kind of pervious surface system that the present embodiment provides includes fixed mesh 4, the ovum metalling (the most visible) being filled in fixed mesh 4, multiple water-permeable bricks 2, and multiple permeable bar 3;
As it is shown on figure 3, the fixing post 5 raised up is arranged at the top of fixed mesh 4.The shape of fixing post 5 can be cylinder, square column, strip sheet, and cross etc. does not limit to its concrete shape.
It is understood that 4 grid cells in Fig. 3, its fixing post shapes is mutually different is can to have different shapes for the fixing post of explanation.As a rule, in same fixed mesh, the fixing post shapes of each grid cell is identical.
Such as Figure 11, shown in 12,13,14, corresponding each fixing post 5, being designed with the fixing groove 6 upwards caved in bottom each water-permeable brick 2, the shape of fixing groove 6 can be cylinder, square column, strip sheet, and cross etc. does not limit to its concrete shape.Fixing post 5 and fixing groove 6 one_to_one corresponding, match each other.
It is understood that there may also be multiple fixing groove bottom one piece of water-permeable brick, fixing groove does not the most limit the center being in water-permeable brick.
Can accurately be controlled by mating of fixing post 5 and fixing groove 6, the position of water-permeable brick 2 and height, facilitate construction.
The plurality of water-permeable brick 2 is arranged with array way, is all separated by permeable bar 3 between the water-permeable brick 2 that any two is interdependent.The side of water-permeable brick 2 is inclined-plane, and from the top of water-permeable brick to bottom (one end connected with porous base course 1), the side of water-permeable brick 2 tilts inside it, the gap formed between two the most adjacent water-permeable bricks 2 also has the structure that bottom is big and top is little, and this structure makes to form card between adjacent two water-permeable brick and sets structure.As shown in Figure 4, the both sides of permeable bar 3 connect with adjacent two pieces of water-permeable bricks 2, and permeable bar 3 is microporous permeable elastomeric material, solid construction, shape of cross section is trapezoidal, sets planform with the card between water-permeable brick 2 and mates, up-narrow and down-wide, what permeable bar 3 can consolidate is fastened in gap.
Further, in this enforcement, the upper surface of permeable bar 3 can be less than the upper surface of water-permeable brick 2, say, that can form a shallow slot in the surface of permeable bar 3.
The when of it is understood that two permeable bars 3 intersect, coupling specific environment can be cut out by scene, it is also possible to the specific cross shaped head of overall customization.
A kind of pervious surface system that the present invention provides, in use, impurity rests on water-permeable brick 2 and permeable bar 3 surface to this pervious surface system, and water flows to ovum metalling by water-permeable brick 2 and permeable bar 3, then flow in porous base course 1, flow ultimately in soil or flowed in gutter by surge tank.
The permeable bar 3 that the pervious surface system that the present invention provides is used comprises the most in the material or surface scribbles Nano titanium dioxide (TiO2), titanium dioxide is under the irradiation of light or produces similar photosynthetic light-catalyzed reaction, produce the extremely strong free hydroxy of oxidability and active oxygen, there is the strongest photoredox function, the various organic compound of classification and part inorganic matter can be aoxidized, thus resolve into free of contamination water and titanium dioxide by covering the dirt on permeable bar surface, possess self-cleaning ability.
The permeable bar 3 that the pervious surface system that the present invention provides is used comprises the most in the material or surface scribbles nanometer level silver oxide, and nanometer level silver oxide has the strongest long-acting bactericidal effect, makes antibacterial cannot survive in permeable bar 3, it is to avoid some diseases produces.
All of pervious surface system, all cannot avoid the phenomenon that water-permeable brick 2 is blocked by dust, but use the pervious surface system of the present invention can keep the water penetration in gap by regularly cleaning or replacing permeable bar 3.First because the surface of permeable bar 3 is less than the surface of water-permeable brick 2, so will not being trampled and strongly being filled in mud, second because permeable bar 3 is also equipped with elasticity, so being easy to when cleaning with giant remove surface dirt, replacing can also be pulled out easily for 3rd permeable article 3, summing up above three, it is low that this pervious surface system has maintenance cost, the feature that service life is longer.
Embodiment 2
As it is shown in figure 5, the present embodiment is similar to Example 1, the most permeable bar 3 shape of cross section is inverted T shape, and the edge of water-permeable brick 2 also respective change, to mate permeable strip, facilitates permeable bar 3 to may be inserted into and be firmly fastened in gap.
In the present embodiment, the outer rim along water-permeable brick 2 bottom surface (surface connected with porous base course 1) is hollowed out forming the sunk structure that cross section is rectangular, thus the cross section of water-permeable brick 2 is T-shaped.Corresponding with this, it is the formation of the draw-in groove that cross section is inverted T-shaped between two adjacent water-permeable bricks 2, the permeable shape of cross section of bar 3 matches with the draw-in groove of this inverted T-shaped, thus permeable bar can be closely knit is buckled in draw-in groove.
The when of it is understood that two permeable bars 3 intersect, coupling specific environment can be cut out by scene, it is also possible to the specific cross shaped head of overall customization.
Embodiment 3
Seeing Fig. 6, the present embodiment is similar to Example 1, and the most permeable bar 3 shape of cross section is rectangle, and the edge of water-permeable brick 2 also respective change, to mate permeable strip, facilitates permeable bar 3 to may be inserted into and be firmly fastened in gap.
In the present embodiment, the degree of depth of the shallow slot that permeable bar 3 surface is formed is the height of water-permeable brick 2 and deducts the height of the sunk structure of formation at the outer rim of water-permeable brick 2 bottom surface.
The when of it is understood that two permeable bars 3 intersect, coupling specific environment can be cut out by scene, it is also possible to the specific cross shaped head of overall customization.
Embodiment 4
Seeing Fig. 7, the present embodiment is similar to Example 1, and the most permeable bar 3 shape of cross section is lower arrowhead form, and the edge of water-permeable brick 2 also respective change, to mate permeable strip, facilitates permeable bar 3 to may be inserted into and be firmly fastened in gap.
In the present embodiment, being formation groove structure on the side of water-permeable brick 2, the upper surface of water-permeable brick 2 and bottom surface have identical size, and from the side of water-permeable brick 2 to its inner recess.In the present embodiment, the cross section of this groove is trapezoidal.
The when of it is understood that two permeable bars 3 intersect, coupling specific environment can be cut out by scene, it is also possible to the specific cross shaped head of overall customization.
Embodiment 5
Seeing Fig. 8, the pervious surface system of the present embodiment is similar to the pervious surface system of embodiment 3, and its difference is, the cross section of the sunk structure formed at the outer rim of water-permeable brick 2 bottom surface is 1/4 circle.Permeable bar 3 is microporous permeable elastomeric material, hollow-core construction, and its shape of cross section is semicircle, and the edge of water-permeable brick 2 also respective change, to mate permeable strip, facilitates permeable bar 3 to may be inserted into and be firmly fastened in gap.
The when of it is understood that two permeable bars 3 intersect, coupling specific environment can be cut out by scene, it is also possible to the specific cross shaped head of overall customization.
The hollow permeable bar 3 of the present embodiment, compares solid permeable bar more cost-effective.
Embodiment 6
See Fig. 9, the present embodiment is similar to Example 4, and except for the difference that the groove on water-permeable brick 2 side is the circular arc less than 180 degree, and permeable bar 3 shape of cross section is circular, the edge of water-permeable brick 2 also respective change, to mate permeable strip, facilitates permeable bar 3 to may be inserted into and be firmly fastened in gap.
The when of it is understood that two permeable bars 3 intersect, coupling specific environment can be cut out by scene, it is also possible to the specific cross shaped head of overall customization.
The hollow permeable bar 3 of the present embodiment, compares solid permeable bar more cost-effective.
Such as Figure 10, the embodiment of the present invention also provides for the method for paving of a kind of pervious surface, comprises the following steps:
1) porous base course 1 is laid on the concrete on the ground of compacting or with surge tank;Porous base course 1 requires to decide whether to use pervious concrete to pour according to weighted design;
2) installing fixed mesh 4 on described porous base course 1, and be laid in fixed mesh 4 by ovum metalling, ovum rubble uses the single grating of particle diameter 5-10mm, and maximum particle diameter is less than 15mm, and the thickness of ovum metalling is 30-40mm;
3) being arranged on by water-permeable brick 2 on fixed mesh 4 fixing post 5 above, the thickness of water-permeable brick 2 is 60-100mm, preset clearance between adjacent described water-permeable brick 2;
4) permeable bar 3 is installed in reserved described gap, the upper surface 2-10mm lower than the upper surface of water-permeable brick 2 of permeable bar 3;Gap width between water-permeable brick 2 is 5-10mm, and gap is unsuitable wide, and as at pavement, narrower gap, it can be avoided that pedestrian directly tramples on permeable bar 3, reduces the probability trampled, and increases the comfort of walking.
Permeable bar 3 is fastened between water-permeable brick 2, and in the maintenance in later stage, permeable bar 3 can individually be drawn out replacing.
The method for paving of a kind of pervious surface system that the present invention provides, can be according to road or the width x length in place, size, uses the fixed mesh of disparate modules to be combined assembly, meets design and requires to use.Because of its specific network, in actual pavement construction, workmen can effectively ignore the construction of screed-coat, accelerating construction progress, and water-permeable brick surfacing after constructing, and spacing is uniform, greatly facilitates the installation of follow-up permeable bar.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit;Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or the most some or all of technical characteristic is carried out equivalent;And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.