CN113152202A - Sponge city solid waste rapid-infiltration type ecological landscape water permeable brick - Google Patents
Sponge city solid waste rapid-infiltration type ecological landscape water permeable brick Download PDFInfo
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- CN113152202A CN113152202A CN202110433055.1A CN202110433055A CN113152202A CN 113152202 A CN113152202 A CN 113152202A CN 202110433055 A CN202110433055 A CN 202110433055A CN 113152202 A CN113152202 A CN 113152202A
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- 239000011449 brick Substances 0.000 title claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000001764 infiltration Methods 0.000 title claims description 9
- 239000002910 solid waste Substances 0.000 title abstract description 9
- 239000002344 surface layer Substances 0.000 claims abstract description 44
- 239000010410 layer Substances 0.000 claims abstract description 29
- 239000011148 porous material Substances 0.000 claims abstract description 20
- 240000004282 Grewia occidentalis Species 0.000 claims abstract description 7
- 238000005034 decoration Methods 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims description 16
- 238000005520 cutting process Methods 0.000 claims description 8
- 239000010813 municipal solid waste Substances 0.000 claims description 6
- 239000012466 permeate Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 11
- 239000012798 spherical particle Substances 0.000 abstract description 7
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- 239000002893 slag Substances 0.000 abstract description 5
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- 230000002265 prevention Effects 0.000 abstract description 3
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000002352 surface water Substances 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 abstract 1
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- 238000010276 construction Methods 0.000 description 6
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- 229910052799 carbon Inorganic materials 0.000 description 3
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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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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
- E01C5/065—Pavings made of prefabricated single units made of units with cement or like binders characterised by their structure or component materials, e.g. concrete layers of different structure, special additives
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a sponge city solid waste rapid-permeability ecological landscape permeable brick, wherein a brick body comprises a high-strength rapid-permeability base layer and an anti-blocking landscape surface layer fixed on the top of the high-strength rapid-permeability base layer; a landscape texture surface layer is arranged on the upper surface of the anti-blocking landscape surface layer; the brick body is preferably metallurgical slag spherical graded particles to form a pore structure body with a fine upper part and a wide lower part which are mutually communicated; therefore, the road surface rainwater blocking prevention, fast seepage and ventilation are realized. The anti-blocking landscape structure is communicated with the brick center water-permeable through hole through the crossed U-shaped water-collecting guide grooves on the anti-blocking landscape surface layer; the four-corner star-shaped water permeable through holes are formed by splicing adjacent bricks with theta arc cut angles at four corners, so that the effect of strengthening efficient and quick penetration of rainwater is achieved; so as to reduce surface water accumulation and runoff and supplement the ecological environment effect of soil water and underground water; and through the arrangement of the spherical particles with good mechanical property and the landscape texture surface layer on the surface of the brick, the traffic requirement of common load of the hardened ground and the pavement and decoration of the landscape ground adaptive to the hardened ground are considered.
Description
Technical Field
The invention relates to the field of green building materials and a solid waste recycling technology, in particular to a sponge city solid waste rapid-permeation type ecological landscape water permeable brick.
Background
In order to relieve the negative effects on the underground soil water environment of cities and towns, vegetation living environment, urban life, ecological environment and the like caused by large-scale impermeable ground construction of cities and towns in China, the organic unification problem of the hardening and passing function of the ground of the cities and the towns and the natural infiltration function of rainwater is solved. The method has the advantages of eliminating accumulated water on the road surface in due time, reducing the water runoff of the surface, reducing the urban drainage load and flood control pressure, supplementing urban underground water and soil water, improving the quality of urban heaven and earth and space ecological environment, being current and comfortable and the like, and becoming a novel construction mode which needs to be researched urgently in the novel urban construction of China. Since 2012, with the advocated development of the concepts of sponge cities and ecological cities, the hardened permeable and breathable paving material for paving the ground is taken as an important supporting link for the construction of the sponge cities and the ecological cities. And is in an ever-increasing stage of development.
On the other hand, due to optimization and adjustment of macroscopic industrial structure and scale, a large amount of metallurgical industrial sintering waste residues which are originally used as mixed materials in the cement building material industry are also required to be correspondingly optimized and adjusted, so that a new resource utilization way and a new treatment technology are required to be developed for further optimizing the resource utilization way and the treatment technology, and the high-efficiency recycling value of the metallurgical waste residues is improved.
The existing permeable bricks are mostly original ecological sand stone concrete permeable bricks and ceramic permeable bricks needing sintering, or common permeable bricks made of various irregular thick and thin aggregates and the like on the aspects of structure and material consumption, and are difficult to maintain the permeable and permeable effects for a long time due to the unreasonable overall structure, particularly inappropriate pore distribution. The rainwater infiltration efficiency gradually decreases along with the time, so that the rainwater infiltration function is lost after several years. Therefore, the main significance and effects of solving the problem of accumulated water on the road surface in rainy days, reducing the runoff of surface water and improving the ecological environment of urban life are lost. Therefore, it is necessary to develop a novel efficient durable permeable brick structure. And a preparation technology of the low-carbon ecological landscape water permeable brick.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and the sponge urban solid waste rapid-permeability ecological landscape permeable brick is provided, the material and the permeable structure are combined uniquely, simply and economically, rainwater can be permeated efficiently and rapidly, and the purposes of eliminating surface accumulated water, reducing surface rainwater runoff and replenishing and purifying soil water and underground water in due time are achieved; and the effects of adjusting and improving the environmental quality of the ecological earth surface and the human ecological space are achieved through the durable and efficient water and air permeability. The metallurgical waste slag spherical particles selected by the invention have the advantages of high strength, wear resistance, good durability, rich brick surface texture and color, and are adaptive to urban style and landscape. The road surface traffic function of ordinary load is considered. Is suitable for hardening, paving and decorating the permeable ground of the large-scale ecological city.
In order to solve the technical problems, the technical scheme of the invention is as follows.
A sponge city solid waste rapid-permeability ecological landscape permeable brick comprises a high-strength rapid-permeability base layer and an anti-blocking landscape surface layer, wherein the anti-blocking landscape surface layer is compositely fixed on the top surface of the high-strength rapid-permeability base layer; arc-shaped cut angles theta are arranged at four corners of the brick body; the upper surface of the anti-blocking landscape surface layer is provided with crossed U-shaped water collecting tank bodies along the center of a diagonal line, the depth of each U-shaped tank is the same as the thickness of the upper surface layer, and the width of each U-shaped tank is 1.5-2.5 cm; the center of the brick body is provided with round-angle rectangular water-permeable through holes along the length direction, and the round-angle rectangular water-permeable through holes are communicated with the crossed U-shaped water collecting tank body of the anti-blocking landscape surface layer. The thickness of the anti-blocking landscape surface layer is 1-1.5 cm, and the thickness of the high-strength quick-penetration base layer is 5.5-6 cm. The upper surface of the anti-blocking landscape surface layer is provided with a landscape texture surface layer which is suitable for being laid in different places of a city and enriches the decoration style.
Furthermore, arc-shaped cutting angles theta are arranged at four corners of the brick body, and penetrate through the anti-blocking landscape surface layer of the brick body and the brick body high-strength quick-penetration base layer; the arc-shaped cutting angle theta (40) is 30-90 radians.
Furthermore, four-corner star-shaped water-permeable through holes are formed by four-corner arc-shaped cutting angles theta between adjacent brick bodies and are communicated with the crossed U-shaped water collecting groove bodies on the upper surfaces of the anti-blocking landscape surface layers of the brick bodies.
Furthermore, a round-corner rectangular water-permeable through hole (30) is formed in the center of the brick body along the length direction, and the anti-blocking landscape surface layer penetrating through the brick body and the high-strength fast-permeable base layer of the brick body are communicated; the width of the round-corner rectangular water-permeable through hole is not limited to 2-3 cm, and the length of the round-corner rectangular water-permeable through hole is not limited to 1/10 of the length of the brick body.
Furthermore, the anti-blocking landscape surface layer of the brick body is a fine porous structure layer, and the average porous size is 10-50 um; the high-strength fast-permeable base layer of the brick body is a wide and mutually communicated pore structure layer, and the average permeable pore size is 100-350 mu m; to form a brick body or a plate body structure body of the anti-blocking and quick-seepage composite layer.
Furthermore, the anti-blocking landscape surface layer of the brick body is made of materials, and the spherical small particles of the metallurgical waste residues or the industrial sintering waste residues are carefully selected and combined with the composite color aggregate to form a fine permeable pore structure with mutually communicated anti-blocking landscape surface layers; the average permeable pore size is 10-50 um; the material proportion is that the spherical metallurgical waste slag comprises the following components in parts by weight: 20-30 parts of particle size 80-0.5 mm, 20-30 parts of particle size 0.5-1 mm, 10-20 parts of particle size 1-2 mm, 20-30 parts of high-strength cement-based composite glue coagulant and 3-10 parts of composite color aggregate.
Furthermore, the high-strength fast-permeable base material of the brick body is formed by combining spherical coarse particles selected from metallurgical waste residues or industrial sintering waste residues with waste ceramic raw materials or waste marbles or waste stone composite coarse aggregates. The efficient fast-permeable base layer with the water permeable pores averagely distributed in 100-350 mu m is formed and has a wide mutual through pore structure. The high-strength fast-permeable base layer comprises, by weight, 25-35 parts of spherical particle metallurgical waste residues with the thickness of 3-10 mm, 35-55 parts of waste ceramic raw materials with the thickness of 10-20 mm, waste marble and waste stone composite aggregates and 15-25 parts of high-strength composite cement gelling agents.
Furthermore, the composite coarse aggregate combination comprises the combined bone aggregate formed by shaping, crushing and screening the waste ceramic raw material, the waste marble, the waste stone and the like.
The present invention has the following advantageous effects.
1. The water permeable brick adopts multiple simulation live environment experiments and cross experiments to obtain a combined formula of the grain size ratio of spherical small particles and composite color aggregate of the anti-blocking landscape surface layer of the brick body; and a formula combining the grain size ratio of spherical medium and large-sized particles of the high-strength fast-permeable base course of the brick body with the composite coarse aggregate. The water permeable pores at the upper part of the brick body are distributed in a mutually communicated smooth and fine structure; and the lower part of the brick body is distributed in a relatively spacious mutually-communicated pore structure. Compared with the existing water permeable brick product, the water permeable brick is more reasonable and practical in the aspects of high efficiency, durability, blockage prevention and quick penetration.
2. This brick that permeates water prevents stifled view surface course and excels in and pass through the permeable pore structure of basic unit optimal combination soon for the town ground of mating formation can last for a long time keep ground no ponding and stable efficiency of permeating water.
3. The water permeable brick is paved in any mode when four corners of the body are provided with the arc-shaped theta chamfers, and the adjacent brick bodies form the corresponding water permeable through holes with four star-shaped corners, so that the reinforced rainwater is efficiently and quickly permeated; the rainwater guide and collection and high-efficiency quick-penetration effect of the invention is further enhanced due to the diagonally crossed U-shaped water collection tank and the central water penetration hole which are arranged on the water permeable brick body. The effect of the crossed type permeable mode is not influenced by the flatness and gradient of the whole pavement of the actual engineering. Is convenient for engineering construction in different occasions.
4. The permeable brick is two-layer from top to bottom, simple and practical in structure, rich in brick surface texture and color, and formed by die pressing in sequence. Is convenient for large-scale manufacture and popularization, and highlights and builds rich sponge city regional scenery styles. The permeable pavement is widely applicable to the pavement of places such as permeable ground, permeable roads, permeable districts, permeable squares, permeable parking lots, permeable landscape garden engineering and the like in the construction of municipal public works.
5. The main raw materials of the water permeable brick are metallurgical industry sintering waste residue and waste ceramic raw material, waste marble and waste stone, and are processed and pressed to form the water permeable brick, so that the water permeable brick is low-carbon and energy-saving. Realizes the recycling of solid waste. Reduces the exploitation of original ecological materials, and eliminates the problems of energy consumption and environmental pollution in the manufacturing process of the sintered permeable bricks. Is favorable for ecological environment protection and sustainable development.
6. The water permeable brick adopts the selected sintered spherical metallurgical waste slag particles, and the surface of the water permeable brick naturally forms a tiny concave-convex shape, so that the water permeable brick has better compressive strength, wear resistance, durability, anti-blocking performance and noise reduction capability. The device has the function of giving consideration to high-efficiency quick penetration and common load passing. The method is generally suitable for hardening and paving the ground of the large-scale sponge city and different functional areas with high efficiency and water permeability.
7. The water permeable brick material and the water permeable structure are combined uniquely, simply, economically and low-carbon, so that the effects of filtering, blocking prevention, efficiently and quickly permeating rainwater, reducing runoff of surface accumulated water and surface rainwater and supplementing and purifying soil water and underground water can be realized; and the purposes of adjusting the ecological earth surface and the human ecological space environment are achieved through durable and efficient water and air permeability. And the texture and the color of the brick surface are rich, so that the brick can be attached to build rich urban ecological pavement landscape.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the three-dimensional structure of the anti-blocking landscape surface layer of the invention.
Fig. 3 is a schematic perspective view of the high-strength fast-transmitting substrate according to the present invention.
Fig. 4-6 are schematic diagrams of the combined pavement landscape effect of the invention.
In the figure, 10-an anti-blocking landscape surface layer, 11-a crossed U-shaped water collecting tank body, 12-a landscape texture surface layer, 20-a high-strength rapid-permeation base layer, 30-a rounded rectangular water-permeable through hole, 40-an arc-shaped corner cut and 50-a four-corner star-shaped water-permeable through hole.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
Referring to fig. 1 and 2, the sponge urban solid waste rapid-permeability ecological landscape permeable brick comprises a brick body high-strength rapid-permeability base layer (20) and a brick body anti-blocking landscape surface layer (10) fixed on the top surface of the high-strength rapid-permeability base layer (20); the upper surface of the anti-blocking landscape surface layer (10) is provided with crossed U-shaped water collecting tank bodies (11) along the diagonal center, and the centers of the brick bodies are provided with round-angle rectangular water permeable through holes (30) along the length direction and communicated with the crossed U-shaped water collecting tank bodies (11) of the upper surface layer (10). The rainwater is guided and collected to the water permeable through hole through the water collecting tank, and the rainwater is quickly permeated through the water collecting tank. The thickness of the anti-blocking landscape surface layer (10) is 1-1.5 cm, and the thickness of the high-strength quick-penetration base layer (20) is 5.5-6 cm. The upper surface of the anti-blocking landscape surface layer (10) is provided with a landscape texture surface layer which is suitable for being laid in different places of a city and is rich in decoration style.
Specifically, arc-shaped cut angles theta are arranged at four corners of the water permeable brick body; the arc-shaped cutting angle theta value is 30-90 radians, preferably 90 radians, after the permeable bricks are laid, two-corner or four-corner star-shaped permeable through holes (50) are formed between adjacent brick bodies, and the rapid penetration of rainwater can be further strengthened.
Specifically, the thickness of the anti-blocking landscape surface layer (10) is 1-1.5 cm. The structure manufacturing method comprises the following steps: the raw materials are selected from spherical small particles in high-strength metallurgical waste residues or other sintered industrial solid waste granular particles, and are respectively washed, classified, shot-blasted, graded, colored and cemented and pressed to form a fine water-permeable pore structure with mutually communicated anti-blocking landscape surface layers (10), and the average water-permeable pores is 10-50 um; impurities carried by rainwater are effectively blocked outside, and fine impurities are flushed away by water pressure formed by the mutually communicated micropores of the brick body. Through the cooperation of the whole structure of the brick body, the high-efficiency durable anti-blocking practical performance is effectively kept.
Specifically, materials for the anti-blocking landscape surface layer (10) of the brick body are selected from metallurgical waste residues or industrial sintering waste residues, spherical small particles and composite color aggregate to be combined to form a fine and water-permeable pore structure with the anti-blocking landscape surface layer (10) communicated with each other; the average permeable pore size is 10-50 um; the material proportion is that the spherical metallurgical waste slag comprises the following components in parts by weight: 20-30 parts of particle size 80-0.5 mm, 20-30 parts of particle size 0.5-1 mm, 10-20 parts of particle size 1-2 mm, 20-30 parts of high-strength cement-based composite glue coagulant and 3-10 parts of composite color aggregate.
Specifically, the high-strength fast-penetration base layer (20) is 5.5-6 cm thick. The structure manufacturing method comprises the following steps: the raw material is selected from spherical particles in high-strength metallurgical waste residues or other sintered industrial solid wastes, spherical particles with the particle size of more than 3mm are selected, and the spherical particles, the combined bone aggregates of waste ceramic raw materials, waste marbles, waste stones and the like which are subjected to shaping, crushing and screening are formed through glue pressing, and the sintered spherical particles have good compressive strength and chemical stability, so that the requirements of rapid rainwater penetration and common load passing are met after the permeable brick is laid.
Specifically, the high-strength rapid-permeable base layer (20) comprises, by weight, 25-35 parts of 3-10 mm spherical metallurgical waste particles, 35-55 parts of 10-20 mm waste ceramic raw materials, waste marble and waste stone composite aggregates and 15-25 parts of a high-strength composite cement gelling agent. The efficient fast-permeable base layer (20) with the water permeable pores being equal to 100-.
Specifically, the forming method of the permeable brick mainly comprises the steps that the anti-blocking landscape surface layer (10) and the high-strength fast-permeable base layer (20) can be respectively placed into a mold box, and an integrated forming mode of pressing sequentially from bottom to top is adopted. As the preparation process technology of the water permeable brick is the existing mature technology, the further detailed description is not provided below.
Specifically, the structural shape of the water permeable brick can be a long rectangle with round corners and a square rectangle with round corners. Cutting off load according to working conditions, and arranging reinforcing ribs in the brick or the plate to form a permeable brick or a permeable plate or a permeable wall plate; the outer dimensions (length × width × height) preferably include a × 0.5A × 7, B × 0.5B × 7, C × 7; wherein A is respectively 50 and 25, B is respectively 30, C is respectively 12.5, 25, 30 and 50, and the unit is cm; but is not limited thereto.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the specific details described in the above embodiments, and it will be apparent to those skilled in the art that various changes, modifications, variations and substitutions can be made in the technical solution of the present invention within the principle and spirit of the present invention, and the above situations still fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a sponge city is useless admittedly oozes type ecological landscape brick that permeates water which soon which characterized in that: comprises a high-strength fast-permeable base course (20) of a brick body and an anti-blocking landscape surface course (10) which is compositely fixed on the top surface of the high-strength fast-permeable base course; the upper surface of the anti-blocking landscape surface layer (10) is provided with a crossed U-shaped water collecting tank body (11) along a diagonal line at the center, the depth of the U-shaped tank is the same as the thickness of the surface layer, and the width of the U-shaped tank is 1.5-2.5 cm; round-angle rectangular water-permeable through holes (30) are formed in the center of the brick body along the length direction and are communicated with the U-shaped water collecting tank body (11) crossed with the surface layer (10); the thickness of the anti-blocking landscape surface layer (10) is 1-1.5 cm, and the thickness of the high-strength quick-penetration base layer is 5.5-6 cm; the upper surface of the anti-blocking landscape surface layer (10) is provided with a landscape texture surface layer (12) which is suitable for being laid in different places of a city and is rich in decoration style.
2. The sponge urban solid waste rapid-infiltration type ecological landscape water permeable brick according to claim 1, characterized in that: arc-shaped cutting angles theta (40) are arranged at four corners of the brick body, and penetrate through the anti-blocking landscape surface layer (10) and the high-strength quick-penetration base layer (20) of the brick body; the arc-shaped cutting angle theta (40) is 30-90 radians.
3. The sponge urban solid waste rapid-infiltration type ecological landscape water permeable brick according to claim 1, characterized in that: and four-corner star-shaped water permeable through holes are formed by four-corner arc-shaped cutting angles theta (40) between adjacent brick bodies and are communicated with the crossed U-shaped water collecting tank bodies on the upper surfaces of the anti-blocking landscape surface layers (10) of the brick bodies.
4. The sponge urban solid waste rapid-infiltration type ecological landscape water permeable brick according to claim 1, characterized in that: round-angle rectangular water-permeable through holes (30) are formed in the center of the brick body along the length direction, and run through the anti-blocking landscape surface layer (10) and the high-strength quick-permeable base layer (20) of the brick body; the width of the round-corner rectangular water-permeable through hole (30) is not limited to 2-3 cm, and the length of the round-corner rectangular water-permeable through hole comprises 1/10 not limited to the length of a brick body.
5. The sponge urban solid waste rapid-infiltration type ecological landscape water permeable brick according to claim 1, characterized in that: the anti-blocking landscape surface layer (10) of the brick body is a fine permeable pore structure layer, and the average permeable pore size is 10-50 um; the high-strength fast-permeable base layer (20) of the brick body is a wide and open mutually-communicated pore structure layer, and the average permeable pores are 100-350 mu m; to form a brick body or a plate body structure body of the anti-blocking and quick-seepage composite layer.
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| CN202110433055.1A CN113152202A (en) | 2021-04-22 | 2021-04-22 | Sponge city solid waste rapid-infiltration type ecological landscape water permeable brick |
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| CN202110433055.1A CN113152202A (en) | 2021-04-22 | 2021-04-22 | Sponge city solid waste rapid-infiltration type ecological landscape water permeable brick |
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| CN108252172A (en) * | 2018-03-22 | 2018-07-06 | 福建四方如钢市政工程有限公司 | Ooze storage type road surface water-permeable brick plate and preparation method thereof |
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| CN211112974U (en) * | 2019-09-24 | 2020-07-28 | 句容市万方水泥制品有限公司 | Sponge city solid waste rapid-infiltration type ecological landscape water permeable brick |
| KR20210031875A (en) * | 2021-03-03 | 2021-03-23 | 정문비 | soakable blocks with rain storage which upstep permeability |
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| CN211112974U (en) * | 2019-09-24 | 2020-07-28 | 句容市万方水泥制品有限公司 | Sponge city solid waste rapid-infiltration type ecological landscape water permeable brick |
| KR20210031875A (en) * | 2021-03-03 | 2021-03-23 | 정문비 | soakable blocks with rain storage which upstep permeability |
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