CN114541205A - Ecological permeable pavement structure, construction method and combined pavement brick - Google Patents
Ecological permeable pavement structure, construction method and combined pavement brick Download PDFInfo
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- CN114541205A CN114541205A CN202111649307.0A CN202111649307A CN114541205A CN 114541205 A CN114541205 A CN 114541205A CN 202111649307 A CN202111649307 A CN 202111649307A CN 114541205 A CN114541205 A CN 114541205A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/04—Pavings made of prefabricated single units made of bricks
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/221—Kerbs or like edging members, e.g. flush kerbs, shoulder retaining means ; Joint members, connecting or load-transfer means specially for kerbs
- E01C11/223—Kerb-and-gutter structures; Kerbs with drainage openings channel or conduits, e.g. with out- or inlets, with integral gutter or with channel formed into the kerb ; Kerbs adapted to house cables or pipes, or to form conduits
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Life Sciences & Earth Sciences (AREA)
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- Road Paving Structures (AREA)
Abstract
The invention relates to the technical field of pavement structures, in particular to an ecological permeable pavement structure, a construction method and a combined pavement brick. The ecological permeable pavement structure provided by the invention comprises a combined type pavement brick structure, a combined type water guide curb and an assembled type water collecting well; the combined type pavement brick structure is obtained by combining and paving combined type pavement bricks; the combined type pavement brick structure comprises a bottom brick and a face brick; the bottom brick is provided with an edge water retaining edge and 4 raised positioning columns; the face brick is provided with 4 positioning grooves; the raised positioning column is embedded into the positioning groove; the plane area of the face brick is less than or equal to that of the bottom brick; the height of the raised positioning column is greater than the total height of the edge water retaining edge and the positioning groove; a water flow channel is formed between the bottom brick and the face brick; the combined water guide road kerb comprises a water drainage hole and a water drainage channel; the drain hole is connected with a water flow channel in the combined type pavement brick structure; the drainage channel is connected with the assembled water collecting well. Ecological permeable pavement structure has efficient infiltration, stagnant water and retaining capacity.
Description
Technical Field
The invention relates to the technical field of pavement structures, in particular to an ecological permeable pavement structure, a construction method and a combined pavement brick.
Background
The sponge city is a new generation city rain and flood management concept and can also be called as a 'hydro-elastic city'. The international general term "low-impact development rainwater system construction" can absorb, store, seep water and purify water during raining, and can release and utilize the stored water. At present, common permeable standard pavement for sponge city construction sequentially comprises a roadbed compaction layer, a permeable geotextile, a subbase layer made of broken stones, a bearing layer, a permeable cushion layer and a permeable surface layer from bottom to top. In order to solve the above problems, there is also a method for suggesting paving water permeability in the prior art, which comprises paving a roadbed compacted layer, a rolling compacted gravel layer, a cement coarse sand layer and a water permeability step brick layer in sequence. But because there is not the structure on a water permeability cloth brick layer at present to make it can realize adopting above-mentioned simple and easy basis of mating formation on, can also make road surface structure keep better infiltration, stagnant water and retaining capacity.
Disclosure of Invention
The invention aims to provide an ecological water permeable pavement structure, a construction method and a combined type pavement brick.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides an ecological permeable pavement structure, which comprises a combined type pavement brick structure, a combined type water guide curb and an assembled type water collecting well, wherein the assembled type water collecting well is arranged on the combined type water guide curb;
the combined type pavement brick structure is obtained by combining and paving combined type pavement bricks;
the combined type pavement brick structure comprises a bottom brick and a face brick;
the bottom brick is provided with an edge water retaining edge and 4 raised positioning columns;
the face brick is provided with 4 positioning grooves;
the raised positioning column is embedded into the positioning groove;
the plane area of the face brick is less than or equal to the plane area of the bottom brick;
the height of the raised positioning column is greater than the total height of the edge water retaining edge and the positioning groove;
a water flow channel is formed between the bottom brick and the face brick;
the combined water guide road kerb comprises a water drainage hole and a water drainage channel;
the water drain hole is connected with a water flow channel in the combined type pavement brick structure;
the drainage channel is connected with the fabricated water collecting well.
Preferably, the combined pavement structure is a one-to-four paving structure;
the one-pressing-four paving structure is that one face brick is positioned right above the central positions of four bottom bricks adjacent to each other.
Preferably, the fabricated collector well comprises a top cover plate, a bottom plate and side plates;
the side plate is provided with water permeable holes;
the number of the water permeable holes is more than or equal to 0.035 holes/m2。
Preferably, the fabricated collector well further comprises a water inlet;
the water inlet is connected with the drainage channel.
The invention also provides a construction method of the ecological permeable pavement structure in the technical scheme, which comprises the following steps:
excavating a roadbed;
paving a leveling layer;
paving the combined type pavement brick on the surface of the leveling layer to obtain a combined type pavement brick structure;
paving a combined water guide curb stone at the edge position of the combined type pavement brick structure, wherein a water flow channel of the combined type pavement brick structure is connected with a water drainage hole of the combined type water guide curb stone;
and laying an assembled water collecting well, wherein the assembled water collecting well is connected with a drainage channel of the combined water guide road kerb.
The invention provides a combined type pavement brick, which comprises a bottom brick and a face brick;
the bottom brick is provided with an edge water retaining edge and 4 raised positioning columns;
the face brick is provided with 4 positioning grooves;
the raised positioning column is embedded into the positioning groove;
the plane area of the face brick is less than or equal to the plane area of the bottom brick;
the height of the raised positioning column is greater than the total height of the edge water retaining edge and the positioning groove;
and a water flow channel is formed between the bottom brick and the face brick.
Preferably, the raised positioning columns comprise 1 positioning high column and 3 positioning low columns;
the height of the positioning high column is greater than that of the positioning short column.
Preferably, the positioning grooves comprise 1 deep positioning groove and 3 shallow positioning grooves;
the depth of the deep positioning groove is greater than that of the shallow positioning groove;
the depth difference between the deep positioning groove and the shallow positioning groove is equal to the height difference between the high positioning column and the low positioning column.
Preferably, the inner inclined angle of the edge water retaining edge is 45 degrees.
Preferably, when the plane area of the face brick is equal to the plane area of the bottom brick, the face brick is a water permeable face brick.
The invention provides an ecological permeable pavement structure, which comprises a combined type pavement brick structure, a combined type water guide curb and an assembled type water collecting well, wherein the assembled type water collecting well is arranged on the combined type water guide curb; the combined type pavement brick structure is obtained by combining and paving combined type pavement bricks; the combined type pavement brick structure comprises a bottom brick and a face brick; the bottom brick is provided with an edge water retaining edge and 4 raised positioning columns; the face brick is provided with 4 positioning grooves; the raised positioning column is embedded into the positioning groove; the plane area of the face brick is less than or equal to the plane area of the bottom brick; the height of the raised positioning column is greater than the total height of the edge water retaining edge and the positioning groove; a water flow channel is formed between the bottom brick and the face brick; the combined water guide road kerb comprises a water drainage hole and a water drainage channel; the water drain hole is connected with a water flow channel in the combined type pavement brick structure; the drainage channel is connected with the fabricated water collecting well. The ecological permeable pavement structure is internally provided with the water storage structure, the drainage channel and the like, so that the sponge type elastic treatment effect of the pavement structure on the seepage, stagnation, storage, purification, use and drainage of surface water bodies can be improved, the construction time can be greatly shortened, the construction difficulty can be reduced, and the construction cost can be saved.
According to the invention, the plane area of the face bricks is smaller than that of the bottom bricks, so that water seepage seams are formed among the combined road face bricks, rainwater can quickly infiltrate into the bottom bricks through the water seepage seams, and meanwhile, the water seepage seams are constructed so as to be convenient for clearing silts and further recover the infiltration capacity; meanwhile, the arrangement of the edge water retaining edge can control the water demand in the pavement brick, and simultaneously can also settle silt, thereby avoiding the blockage of the subsequent water guide area by the silt; the combined pavement brick is convenient to disassemble and assemble, is beneficial to dredging blocked water seepage seams and cleaning settled mud and sand, and further recovers the water permeability of the pavement brick and the water demand effect of the bottom brick; set up the reference column between face brick and the end brick and set for the height of protruding reference column to be greater than the total height of edge manger plate edge and positioning groove can make and form continuous well style of calligraphy rivers passageway between face brick and the end brick, is favorable to the continuous flow of rivers.
Drawings
FIG. 1 is a schematic structural view of a bottom brick according to the present invention; 5-edge water retaining edge, 6-positioning high column, 7-positioning low column and 8-water channel;
FIG. 2 is a schematic view of the construction of the face brick of the present invention, 9-deep positioning grooves, 10-shallow positioning grooves;
FIG. 3 is a schematic view of the structure of the combined type pavement brick structure and the combined type water guide curb in the ecological water permeable pavement structure of the invention, 1-a face brick, 2-a water storage area, 3-a bottom brick, 11-the combined type water guide curb, 12-a drainage channel, 13-a drainage hole;
fig. 4 is a schematic structural view of a straight combined water guide curb according to the present invention, which is a front view, a left view, a top view and a sectional view sequentially from top to bottom;
fig. 5 is a schematic structural view of the corner-type combined water guide curb of the present invention, which is sequentially a top view, a front view, a left view and a cross-sectional view from top to bottom;
FIG. 6 is a schematic structural view of a top cover plate of the fabricated water collecting well, which is a top view, a front view and a left view from top to bottom;
FIG. 7 is a schematic structural view of a side plate of the fabricated water collecting well of the present invention, which is a front view, a left side view and a top view sequentially from left to right;
FIG. 8 is a schematic view of the combined type pavement brick structure of the invention, 1-brick, 2-water storage area, 4-water seepage seam;
FIG. 9 is a schematic view of the combined type pavement brick structure in the construction process.
Detailed Description
The invention provides a combined type pavement brick, which comprises a bottom brick and a face brick;
the bottom brick is provided with an edge water retaining edge and 4 raised positioning columns;
the face brick is provided with 4 positioning grooves;
the raised positioning column is embedded into the positioning groove;
the plane area of the face brick is less than or equal to the plane area of the bottom brick;
the height of the raised positioning column is greater than the total height of the edge water retaining edge and the positioning groove;
and a water flow channel is formed between the bottom brick and the face brick.
As shown in fig. 1, as a specific embodiment of the present invention, the bottom brick is provided with an edge water retaining edge and 4 protruding positioning pillars; the raised positioning columns comprise 1 positioning high column and 3 positioning low columns; the height of the positioning high columns is larger than that of the positioning short columns, and the height of the 3 positioning short columns is the same.
As a specific embodiment of the invention, the size of the bottom brick is 300mm multiplied by 70mm, and the size of the face brick is 295mm multiplied by 70 mm; the vertical height of the edge water retaining edge is 20mm, and the inner inclination angle of the edge water retaining edge is 45 degrees.
As a specific embodiment of the present invention, the protruding positioning column is a rectangular parallelepiped; the sizes of the positioning high columns are 80mm multiplied by 70mm, and the sizes of the positioning low columns are 80mm multiplied by 60 mm.
As an embodiment of the invention, the distance between two adjacent protruding positioning columns is 60 mm.
In the invention, the edge water retaining edge can enable the bottom brick to form a water storage area, the bottom brick has water storage capacity, and the positioning column is set to be three high, so that the paving direction can be well determined and the face brick can be well fixed.
In the invention, the water storage amount in the pavement brick can be controlled by setting the inner inclination angle of the edge water retaining edge to be 45 degrees, and simultaneously, silt can be settled, thereby avoiding the blockage of the subsequent water guide area by the silt.
As shown in fig. 2, as a specific embodiment of the present invention, the face brick is provided with 4 positioning grooves; the positioning grooves comprise 1 deep positioning groove and 3 shallow positioning grooves; the depth of the deep positioning groove is greater than that of the shallow positioning groove; the difference between the depth of the deep positioning groove and the depth of the shallow positioning groove is equal to the difference between the heights of the high positioning column and the low positioning column.
As a specific embodiment of the present invention, one face brick is located right above the center position of four bottom bricks adjacent to each other, the 3 positioning short columns are respectively embedded into the 3 shallow positioning grooves, and the positioning high column is embedded into the deep positioning groove.
As a specific embodiment of the present invention, the positioning groove is a rectangular parallelepiped; the size of the deep positioning groove is 80mm multiplied by 30mm, and the size of the shallow positioning groove is 80mm multiplied by 20 mm.
When the size of the face brick is smaller than that of the bottom brick, the invention has no special limitation on whether the face brick is a permeable face brick or not, and aims to form a water-permeable seam and improve the permeation effect; set up protruding reference column and will the height of protruding reference column is greater than the edge manger plate edge can make and form the penetrating space of well style of calligraphy and then constitute the rivers passageway with positioning groove's total height between face brick and the end brick, under the prerequisite that does not increase pipe laying technology and cost, forms a large amount of intercommunication rivers passageways. When the size of the face brick is equal to that of the bottom brick, the face brick is preferably a water permeable face brick, and the purpose is to realize the functions of water seepage, water retention and water storage through the water permeability of the water permeable face brick.
Meanwhile, in the north, due to a freeze-thaw environment, space net rack water permeable brick products are easy to form net rack structure steps due to freezing expansion, so that water permeable bricks are damaged and lose use value, therefore, when the space net rack water permeable brick products are used in the north freeze-thaw environment, the size of a face brick needs to be smaller than that of a bottom brick, a water permeable seam is constructed by utilizing the size difference, the problems caused by the fact that the face brick uses the water permeable brick are avoided, water absorption is reduced, and freeze-thaw loss is reduced; and the south has no limit of freeze thawing, so the facing brick can be smaller than the bottom brick to form a permeable seam, and the facing brick can also be equal to the bottom brick in size to realize the permeable function by using the permeable facing brick.
In the invention, the bottom brick has water storage capacity, namely a water retaining edge and a water flow channel shaped like a Chinese character jing are formed by the bottom brick.
In the invention, the combined type pavement brick is of a combined structure, is easy to clean and maintain and saves cost.
The invention also provides an ecological permeable pavement structure, which comprises a combined type pavement brick structure, a combined type water guide curb and an assembled type water collecting well;
the combined type pavement brick structure is obtained by combining and paving the combined type pavement bricks in the technical scheme;
the combined water guide road kerb comprises a water drainage hole and a water drainage channel;
the water drain hole is connected with a water flow channel in the combined type pavement brick structure;
the drainage channel is connected with the fabricated water collecting well.
As a specific embodiment of the present invention, the combined pavement structure is a "one-to-four" pavement structure; the four-in-one paving structure is characterized in that one face brick is located right above the central position of every two adjacent four bottom bricks, the deep positioning grooves of the face brick correspond to the positioning high columns of the bottom bricks, and the shallow positioning grooves of the face brick correspond to the positioning low columns of the bottom bricks (as shown in fig. 8).
In the invention, the paving mode keeps the stability of the whole pavement brick structure and reduces the influence of uneven settlement through the interlocking of the surface bricks and the bottom bricks.
As a specific embodiment of the present invention, the combined water guide curb includes a drain hole and a drain passage; the drainage holes are connected to a water flow path in the modular paving tile structure (as shown in fig. 3).
As a specific embodiment of the invention, the diameter of the drain hole is 30 mm; the minor axis of the ellipse of the drainage channel is 60mm, and the major axis of the ellipse is 80 mm.
As a specific embodiment of the present invention, the combined water guide kerb is a linear water guide kerb or a corner water guide kerb; the corner type water guide road kerb can meet the turning requirement of a permeable pavement structure.
As an embodiment of the present invention, the drainage holes in the straight water guide curb are spaced apart in the horizontal direction, and the drainage holes are connected to the drainage channel (as shown in fig. 4). And the distance between two adjacent rows of water holes is the same as the side length of the positioning columns in the combined type pavement brick structure.
As an embodiment of the present invention, the water holes of the corner type water guide curb are spaced apart in a horizontal direction, and the drain holes are connected to the drain passage. (taking the corner of the corner type water guide curb as a right-angle type water guide curb as an example, the structure is shown in fig. 5). And the distance between two adjacent rows of water holes is the same as the side length of the positioning columns in the combined type pavement brick structure.
As a specific embodiment of the present invention, the combined water guide curb includes a top cover and a base, the base is provided with a positioning column, and the top cover is provided with a positioning groove;
the top cover and the base jointly form a drain hole and a drain passage.
As a specific embodiment of the present invention, the positioning column is a cone, the size of the upper bottom of the cone is 20mm × 8mm, the size of the lower bottom of the cone is 25mm × 13mm, and the height of the cone is 20 mm; the size of the positioning groove is the same as that of the positioning column; the drainage channel is an ellipse, the major axis of the ellipse is 80mm, and the minor axis of the ellipse is 60 mm.
As a specific embodiment of the present invention, when the water guide curb is a linear water guide curb, the dimensions of the top cover and the base are both 300mm × 120mm × 160 mm; when the water guide kerb is a corner type water guide kerb, the inner side sizes of the top cover and the base are both 200mm multiplied by 120mm multiplied by 160 mm.
In the invention, the built-in drainage channel in the combined water guide curb can save the process of laying a water guide pipeline, the combined structure is easy to clean, and compared with the construction of the common curb, the construction process is lighter and is easier to operate by one person.
As a specific embodiment of the invention, the fabricated collector well comprises a top cover plate, a bottom plate and side plates; the sizes of the top cover plate and the bottom plate are 300mm multiplied by 60 mm; be provided with the hole of permeating water in lamina tecti and the bottom plate, the quantity in the hole of permeating water is 4, and the diameter is 60 mm.
As the inventionIn one embodiment, the side plate is provided with water permeable holes; the number of the water permeable holes is more than or equal to 0.035 holes/m2. The size of the side plate is 1000mm 300mm 60mm, the number of the water permeable holes of the side plate is 10, and the diameter of the water permeable holes is 60 mm.
The invention adopts the assembled water collecting well, mainly solves the problems of high construction cost and long time consumption of the existing water collecting well, and simultaneously performs matching setting aiming at the seepage and storage structure of the scheme. The existing water collecting well mostly adopts the processes of factory prefabrication and field hoisting in order to save cost, the weight of one prefabricated water collecting well is different from hundreds of kilograms to tons, a crane is required to unload, carry to a specified place, hoist and drop a pit and the like during construction, the coordination of professional machines such as the crane and the like is required, the time consumption is long, the cost is high, and meanwhile, operation workers have the risk of being hit by heavy objects. The assembled sump pit in this scheme, 6 faces as independent subassemblies with the hexahedron of conventional sump pit split, every subassembly weight generally is no longer than 30 kilograms (similar with a bag of cement), and the transport is convenient, and the construction is simple, during the construction location after the equipment well cover rubble or soil can, reduce construction cost, protection operation safety.
As a specific embodiment of the invention, the overall specification size of the fabricated collector well is 300mm multiplied by 1000 mm.
As a specific embodiment of the present invention, the fabricated collector well further comprises a water inlet; the water inlet is connected with the water drainage channel.
As a specific embodiment of the present invention, the fabricated sump well further includes an overflow, the overflow being connected to the urban rainwater pipeline; the height of the overflow opening is the same as that of the water inlet.
As a specific embodiment of the invention, the combined water guide curb and the assembled water collecting well are connected through a drain pipe.
In the invention, the assembled water collecting well is preferably arranged in a green belt of a road surface, rainwater is remained in the water storage layer part of the bottom brick after permeating through the road surface, and overflow water enters the water guide curb through the water flow channel and enters the assembled water collecting well through the drainage channel in the water guide curb.
According to the invention, the assembled water collecting well has a water collecting function, water in the assembled water collecting well is slowly released through the water permeable holes arranged on the well wall and fed back to the surrounding environment, pumping is not needed, the process is saved, and the practicability is high.
According to the invention, the combined type pavement brick structure and the combined type water guide curb are adopted, so that the realization difficulty of a complex space structure is reduced, the usability is ensured, the later maintenance is convenient, the brick or the top cover can be disassembled at any time to perform the functions of water permeable layer washing, water flow channel dredging and the like, the repairing process is simple, the repairing cost is low, and the repairing effect is reliable.
The invention also provides a construction method of the ecological permeable pavement structure in the technical scheme, which comprises the following steps:
excavating a roadbed;
paving a leveling layer;
paving the combined type pavement brick on the surface of the leveling layer to obtain a combined type pavement brick structure;
paving a combined water guide curb stone at the edge position of the combined type pavement brick structure, wherein a water flow channel of the combined type pavement brick structure is connected with a water drainage hole of the combined type water guide curb stone;
and laying an assembled water collecting well, wherein the assembled water collecting well is connected with a drainage channel of the combined water guide road kerb.
The construction method comprises the step of digging a roadbed. The method has no special limitation on the process of excavating the roadbed, and the roadbed can be excavated according to the actual requirement and the conventional design requirement of a person skilled in the art. And after the roadbed is dug, the method also comprises the steps of inspection, finishing and rolling in sequence. In the present invention, the inspection is preferably to inspect the longitudinal slopes, transverse slopes, and side lines of the roadbed. The process of the present invention is not particularly limited, and may be performed by a process known to those skilled in the art. The rolling process is not limited in any way, and the process known to a person skilled in the art can be adopted to ensure that the compaction coefficient of the finally obtained roadbed reaches more than 95%.
The construction method also comprises the step of laying a leveling layer. In the invention, the leveling layer is preferably made of graded natural aggregate with the grain diameter of 0.315-5.0 mm, recycled aggregate with the grain diameter of 0.315-5.0 mm or dry and hard cement mortar. The concrete components of the dry and hard cement mortar of the present invention are not particularly limited, and those known to those skilled in the art can be used. The process of laying the screed layer is not particularly limited, and may be performed by a process known to those skilled in the art. In the invention, the thickness of the leveling layer is preferably 20-30 mm.
After the leveling layer is paved, the construction method further comprises the step of paving the combined type pavement brick on the surface of the leveling layer to obtain the combined type pavement brick structure. During the laying process, the reference points and the reference lines are determined according to a determination method of the reference points and the reference lines, which is well known to those skilled in the art, and laying is performed by taking the reference lines as reference from the reference points. In the invention, one datum point is arranged every 3-5 m. In the present invention, the paving is preferably performed according to a "one-over-four" paving structure, where the bottom brick is paved first and then the face brick is paved (as shown in fig. 9).
After the combined type pavement brick structure is obtained, the construction method further comprises the step of paving a water guide curb stone at the edge position of the combined type pavement brick structure, and a water flow channel of the combined type pavement brick structure is connected with a water drainage hole of the water guide curb stone.
In the invention, if applied to a common sidewalk, the pavement can be laid only on one side of the green belt.
In the invention, the water guide curb is preferably paved with a base, a crack pouring and a top cover in sequence; the process of paving the base, pouring the seam and paving the top cover is not limited in any way, and the process known by the technical personnel in the field can be adopted. In the invention, the gap generated by crack pouring in the laying process is preferably 6-8 mm.
After the water guide road kerbstone is paved, the construction method also comprises the step of paving an assembled water collecting well, wherein the assembled water collecting well is connected with a drainage channel of the water guide road kerbstone. The invention has no special limit on the laying form, quantity and spacing of the assembled water collecting wells, and can carry out conventional setting according to the catchment area of the road surface, the rainfall at the peak and the drainage capacity of the water outlet. In the invention, the distance between the assembled water collecting wells is more preferably 20-50 m.
In the invention, the water guide curb and the assembled water collecting well are preferably connected through a PVC hard water pipe.
The combined type road surface brick, ecological permeable pavement structure and construction method provided by the invention are described in detail with reference to the following examples, but the combined type road surface brick, ecological permeable pavement structure and construction method are not to be construed as limiting the scope of the invention.
Example 1
The combined type pavement brick comprises the following components: the floor brick comprises a floor brick and a face brick, wherein the floor brick is provided with an edge water retaining edge and a raised positioning column, and the raised positioning column comprises 1 positioning high column (cuboid) and 3 positioning low columns (cuboid); the size of the bottom brick is 300mm multiplied by 70 mm; the size of the positioning short column is 80mm multiplied by 60 mm; the size of the positioning high column is 80mm multiplied by 70 mm; the distance between two adjacent protruding positioning columns is 60 mm; the vertical height of the edge water retaining edge is 20mm, and the inner inclination angle is 45 degrees;
the face brick is provided with positioning grooves, and the positioning grooves comprise 1 deep positioning groove (cuboid) and 3 positioning grooves (cuboid); the size of the face brick is 295mm multiplied by 70mm, and the size of the shallow positioning groove is 80mm multiplied by 20 mm; the size of the deep positioning groove is 80mm multiplied by 30 mm;
the positioning high columns are embedded into the deep positioning grooves, and the positioning low columns are embedded into the shallow positioning grooves.
Water guide curb: comprises a drain hole and a drain channel; the water drain hole is connected with a water flow channel in the combined type pavement brick structure; the diameter of the drain hole is 30 mm; the minor axis of the drainage channel is 60mm, and the major axis is 80 mm; the water guide curb is formed by assembling a top cover and a base, the base is provided with a positioning column, and the top cover is provided with a positioning groove; the positioning column is conical, the size of the upper bottom of the conical positioning column is 20mm multiplied by 8mm, the size of the lower bottom of the conical positioning column is 25mm multiplied by 13mm, and the height of the conical positioning column is 20 mm; the size of the positioning groove is the same as that of the positioning column; the major axis of the drainage channel is 80mm, and the minor axis of the drainage channel is 60 mm;
assembled sump pit: comprises a top cover plate, a bottom plate and 4 side plates; 4 side plates are assembled into the side wall of the assembled water collecting well, the top cover plate is used as the top surface of the assembled water collecting well, and the bottom plate is used as the bottom surface of the assembled water collecting well; the size of the top cover plate is 300mm multiplied by 60 mm; each top cover plate is provided with 4 water permeable holes with the diameter of 60 mm; the side plate is provided with water permeable holes; the size of the side plate is 1000mm multiplied by 300mm multiplied by 60mm, the number of the water permeable holes of the side plate is 10, and the diameter of the water permeable holes is 60 mm; the overall specification and size of the water collecting well is 300mm multiplied by 1000 mm; the assembled water collecting well further comprises a water inlet and an overflow port; the water inlet and the overflow port are both arranged on the side plate, the water inlet is positioned at the position which is 40mm away from the vertical distance of the top cover plate, and the overflow port is positioned at the position which is 20mm away from the vertical distance of the top cover plate; the water inlet is connected with the drainage channel; the overflow port is connected with an urban rainwater pipeline; the height of the water inlet is lower than that of the overflow port so as to reduce the requirement on the terrain gradient, and the specific orientation is set according to a waterway.
The construction method comprises the following steps:
digging a roadbed, cleaning earthwork, reaching a designed elevation, and checking a longitudinal slope, a transverse slope and side lines; trimming a roadbed, leveling, rolling and compacting to ensure that the compaction coefficient of the roadbed reaches more than 95%;
paving a 50mm leveling layer by using graded natural aggregate or recycled aggregate with the particle size of 0.315-5.0 mm as a raw material;
setting a reference point (one reference point is set every 3 m) and a reference line, paving by taking the reference line as a reference from the reference point, and paving a bottom brick and then a face brick; when the bottom bricks are laid, the positioning high columns in the two adjacent bottom bricks are not adjacent, and the positioning high columns in the two adjacent bottom bricks are positioned on the same straight line;
paving a base, pouring seams and a top cover around the combined type pavement brick structure to obtain a water guide curb, wherein a water flow channel of the combined type pavement brick structure is connected with a water drainage hole of the water guide curb;
and finally, paving an assembled water collecting well, wherein the assembled water collecting well is connected with a drainage channel of the water guide road kerbstone.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An ecological permeable pavement structure is characterized by comprising a combined type pavement brick structure, a combined type water guide curb and an assembled type water collecting well;
the combined type pavement brick structure is obtained by combining and paving combined type pavement bricks;
the combined type pavement brick structure comprises a bottom brick and a face brick;
the bottom brick is provided with an edge water retaining edge and 4 raised positioning columns;
the face brick is provided with 4 positioning grooves;
the raised positioning column is embedded into the positioning groove;
the plane area of the face brick is less than or equal to the plane area of the bottom brick;
the height of the raised positioning column is greater than the total height of the edge water retaining edge and the positioning groove;
a water flow channel is formed between the bottom brick and the face brick;
the combined water guide road kerb comprises a water drainage hole and a water drainage channel;
the water drain hole is connected with a water flow channel in the combined type pavement brick structure;
the drainage channel is connected with the fabricated water collecting well.
2. The ecological permeable pavement structure of claim 1, wherein the combined pavement structure is a one-to-four paving structure;
the one-pressing-four paving structure is that one face brick is positioned right above the central positions of four bottom bricks adjacent to each other.
3. The ecological permeable pavement structure of claim 1, wherein the fabricated collector well comprises a top cover plate, a bottom plate and side plates;
the side plate is provided with water permeable holes;
the number of the water permeable holes is more than or equal to 0.035 holes/m2。
4. The ecological permeable pavement structure of claim 1, wherein the fabricated collector well further comprises a water inlet;
the water inlet is connected with the drainage channel.
5. The construction method of the ecological permeable pavement structure according to any one of claims 1 to 4, characterized by comprising the steps of:
excavating a roadbed;
paving a leveling layer;
paving the combined type pavement brick on the surface of the leveling layer to obtain a combined type pavement brick structure;
paving a combined water guide curb stone at the edge position of the combined type pavement brick structure, wherein a water flow channel of the combined type pavement brick structure is connected with a water drainage hole of the combined type water guide curb stone;
and laying an assembled water collecting well, wherein the assembled water collecting well is connected with a drainage channel of the combined water guide road kerb.
6. A combined pavement brick is characterized by comprising a bottom brick and a surface brick;
the bottom brick is provided with an edge water retaining edge and 4 raised positioning columns;
the face brick is provided with 4 positioning grooves;
the raised positioning columns are embedded into the positioning grooves;
the plane area of the face brick is less than or equal to the plane area of the bottom brick;
the height of the raised positioning column is greater than the total height of the edge water retaining edge and the positioning groove;
and a water flow channel is formed between the bottom brick and the face brick.
7. The modular pavement brick as claimed in claim 6, wherein the raised locating posts comprise 1 locating tall post and 3 locating short posts;
the height of the positioning high column is greater than that of the positioning short column.
8. The modular pavement brick according to claim 7, wherein said positioning grooves comprise 1 deep positioning groove and 3 shallow positioning grooves;
the depth of the deep positioning groove is greater than that of the shallow positioning groove;
the depth difference between the deep positioning groove and the shallow positioning groove is equal to the height difference between the high positioning column and the low positioning column.
9. The modular pavement brick according to claim 6, wherein the inner inclination angle of the edge dam is 45 °.
10. The modular pavement brick according to claim 6, wherein the brick is a water permeable brick when the planar area of the brick is equal to the planar area of the base brick.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111649307.0A CN114541205A (en) | 2021-12-30 | 2021-12-30 | Ecological permeable pavement structure, construction method and combined pavement brick |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111649307.0A CN114541205A (en) | 2021-12-30 | 2021-12-30 | Ecological permeable pavement structure, construction method and combined pavement brick |
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| CN208533316U (en) * | 2018-05-15 | 2019-02-22 | 爱尔建材(天津)有限公司 | A kind of slot type porous pavement Deck pavement |
| CN112281566A (en) * | 2020-10-20 | 2021-01-29 | 阜阳市鑫源建材有限公司 | Pavior brick with drainage function |
| CN112982072A (en) * | 2021-02-19 | 2021-06-18 | 广东东篱环境股份有限公司 | Green belt water storage and drainage curbstone system and water storage and drainage method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2893020Y (en) * | 2006-05-19 | 2007-04-25 | 贵阳铝镁设计研究院 | Road sewage apparatus |
| CN208533316U (en) * | 2018-05-15 | 2019-02-22 | 爱尔建材(天津)有限公司 | A kind of slot type porous pavement Deck pavement |
| CN112281566A (en) * | 2020-10-20 | 2021-01-29 | 阜阳市鑫源建材有限公司 | Pavior brick with drainage function |
| CN112982072A (en) * | 2021-02-19 | 2021-06-18 | 广东东篱环境股份有限公司 | Green belt water storage and drainage curbstone system and water storage and drainage method |
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