CN106431149A - Precast concrete pavement slab and mounting method thereof - Google Patents
Precast concrete pavement slab and mounting method thereof Download PDFInfo
- Publication number
- CN106431149A CN106431149A CN201611095731.4A CN201611095731A CN106431149A CN 106431149 A CN106431149 A CN 106431149A CN 201611095731 A CN201611095731 A CN 201611095731A CN 106431149 A CN106431149 A CN 106431149A
- Authority
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- Prior art keywords
- surface layer
- pavement slab
- concrete pavement
- sand
- thickness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland 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
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
-
- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/52—Apparatus for laying individual preformed surfacing elements, e.g. kerbstones
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
- C04B2111/00672—Pointing or jointing materials
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a precast concrete pavement slab and a mounting method thereof. The pavement slab comprises a surface layer and a base layer below the surface layer, wherein the surface layer is prepared from water, cement, mineral admixtures, fine sand, coarse sand and a water reducing agent; the base layer is prepared from water, cement, admixture, a nonrenewable gravel component or a renewable component; the nonrenewable gravel component is prepared from fine sand, coarse sand and gravels; the renewable component is prepared from reclaimed sand and regenerated gravels; the particle size of the fine sand is 0.315 to 1.25mm, and the particle size of the coarse sand is 1.25 to 5.0mm. The pavement slab disclosed by the invention has the advantages of high compression resistance, high bending resisting strength, good frost resistance, wear resistance and skid resistance; after a pavement is mounted and paved, good stability and high bearing capacity are realized, the conditions in an existing pavement that bricks are easily damaged and collapsed, water is accumulated and the like can be greatly avoided, and the pavement is enabled to be attractive, safe and firm.
Description
Technical field
The invention belongs to extrusion molding concrete prefabricated board technical field, more particularly to a kind of concrete pavement slab and
Its installation method.
Background technology
Concrete road pavement brick being widely used in town road, square, and have existing national standard《Concrete road surface
Brick》GB28635-2012 and industry standard《Concrete road pavement brick》JC/T446-2010.The existing concrete road pavement brick in market makes
Produced with normal concrete aggregate, product size relatively small thickness is also less.Concrete strength is low, wears no resistance, and anti-freezing property is poor
Deng, after use in frequently occur the quality problems such as come off, fracture, subsiding, affect walk, increase maintenance cost, impact
City look and feel.
With the development of Development of China's Urbanization, building waste discharge capacity increases year by year.Most of building waste is unprocessed, enters
The simple landfill of row or outdoor store up, this not only wastes soil and resource, also pollutes environment.On the other hand, building industry is to sand
The demand of stone aggregate constantly increases.Production and using construction refuse regenerated aggregate for economizing on resources, environmental protection and realization
The sustainable development of building industry is significant.
Content of the invention
For solving the above problems, the invention provides a kind of concrete pavement slab, including the base under surface layer and surface layer
Layer, the ingredient of the surface layer includes water, cement, mineral admixture, fine sand, coarse sand, water reducer, and the composition of the basic unit becomes
Point include water, cement, admixture, non-renewable sandstone component or regenerative component, the non-renewable sandstone component is by fine sand, thick
Sand, rubble composition, regenerative component is made up of reclaimed sand, regeneration rubble.Wherein, the particle diameter of fine sand be 0.315mm～1.25mm, thick
The particle diameter of sand is 1.25mm～5.0mm.
Further, the constituent of the surface layer also includes additive, and the additive is selected from silylation hydrophober, gathers
One or more in acrylic acid ester emulsion, polyvinyl alcohol, polyvinyl acetate emulsion, polymer dispersion powder.
Further, the additive of the surface layer also includes coloring earth.
Further, the constituent of the basic unit also includes additive, and the additive is selected from silylation hydrophober, gathers
One or more in vinyl alcohol, polyvinyl acetate emulsion, polymer dispersion powder.
Further, in regeneration sandstone component, particle size range is：The particle diameter of reclaimed sand be 0.1mm～5.0mm and/or
The particle diameter of regeneration rubble is 5.0mm～20.0mm.
Further, the road deck length be 400mm～1800mm, width be 300mm～900mm, thickness 100mm～
200mm.
Further, the thickness of the surface layer is 10mm～60mm, and groundwork thickness is 90mm～140mm.
Further, road deck has the road gradient of 0.5%-2% with surface layer center line to both sides.
Further, disjoint circular curve bar groove is provided with surface layer, and after laying is installed, all lines can be connected,
And various patterns can be assemblied to form.
The installation method of above-mentioned concrete pavement slab comprises the steps：
Step one：Soil treatment：To laying the levelling compacting of soil matrix of pavement structure plate；
Step 2：Basal layer is constructed：Using concreting or using admixture cement and the permeable water of mineral admixture
Cement-stabilizing broken stone layer；
Step 3：Levelling adhesive linkage：Using cement mortar or dry permeable cement mortar levelling；
Step 4：Road deck is installed, plate stitch controls in 5mm-50mm；
Step 5：Using dry permeable cement mortar filleting.
Beneficial effects of the present invention are：
The resistance to compression of road deck of the present invention, High anti bending strength, frost resistance are good, wear-resisting antiskid.Road surface is installed steady after laying
Qualitative good, high capacity, the existing pavior brick rapid wear that greatly can take on a new look, subside, hydrops situations such as so that road surface is attractive in appearance, safety
Firmly.Surface layer can make shades of colour and decorative pattern, and decorative pattern has drainage, have practicality concurrently with aesthetic property.The present invention
Market existing pavior brick and road deck are substituted well can, application market is big, with preferable economic benefit.
Description of the drawings
Fig. 1 is the cross-section structure of road deck.
Fig. 2 is assembled into the schematic diagram of different pattern for road deck.
Fig. 3 is the level sectional view after road deck installation.
Specific embodiment
As shown in figure 1, road deck of the present invention includes surface layer 1 and the basic unit 2 under surface layer 1, the composition portion of the surface layer 1
Dividing includes water, cement, mineral admixture, fine sand, coarse sand, water reducer.Preferably, 1 component of surface layer also includes additive, described adds
Plus agent include silylation hydrophober and/or polyacrylate dispersion and/or polyvinyl alcohol and/or polyvinyl acetate emulsion and/or
Polymer dispersion powder.That is, additive can select therein one or several.
The constituent of the basic unit 2 includes water, cement, mineral admixture, non-renewable sandstone component or regenerative component.
The non-renewable sandstone component is made up of fine sand, coarse sand, rubble, and regenerative component is made up of reclaimed sand, regeneration rubble.Preferably,
1 component of surface layer also includes additive, and the additive includes silylation hydrophober and/or polyvinyl alcohol and/or polyvinyl acetate
Emulsion and/or polymer dispersion powder.That is, additive can select therein one or several.
Effect to each material is illustrated below.
The fine sand of 0.315mm～1.25mm：Optional normal sands, quartz sand, colored sand etc..
The coarse sand of 1.25mm～5.0mm：Optional normal sands, quartz sand, colored sand etc..
Rubble：5.0mm～20.0mm, optional coarse aggregate (general aggregate).
Reclaimed sand：0mm～5.0mm, optional regeneration aggregate, for the basic unit 2 of two kinds of proportioning materials of low grade.
Regeneration rubble：5.0mm～20.0mm, for the basic unit 2 of two kinds of proportioning materials of low grade.
Cement：Optional white portland cement (white and tint color concrete Binder Materials), portland cement or
Portland cement (optional black, deep colored and true qualities concrete Binder Materials).
Mineral admixture：High-performance mineral admixture, optional Binder Materials, improve concrete mix service behaviour and
Strengthen.
Coloring earth：Inorganic mineral pigments, can be used to modulate concrete color.
Water reducer：Improve concrete mix service behaviour and enhancing.
Silylation hydrophober：For antifouling, the suppression accumulation of salt in the surface soil, freeze thawing resistance, uvioresistant.
Polyacrylate dispersion：For antifouling, the suppression accumulation of salt in the surface soil, freeze thawing resistance, uvioresistant.
Polyvinyl alcohol：For strengthening anti-wear performance.
Polyvinyl acetate emulsion：For strengthen wear-resisting, improve mixture service behaviour, it is ensured that presentation quality.
Polymer dispersion powder：For improving mixture service behaviour, it is ensured that presentation quality.
It should be noted that polyvinyl alcohol should be used after first dissolving water in use, the water yield for containing in water reducer and chemical materialss
Deduct in water consumption, water reducer requires to do corresponding adjustment according to working performance of concrete, and coloring earth is according to road deck
Color requires to select pigment variety, pigment combination and volume.
According to road deck performance requirement, silylation hydrophober and/or polyacrylate dispersion and/or polyvinyl alcohol and/or
Polyvinyl acetate emulsion and/or polymer dispersion powder can partly add or all add.
In basic unit 2 processes, select non-renewable sandstone component or regenerative component be according to the strength grade of road deck and
Fixed, in general, the basic unit 2 of the road deck of C50 and level below can use regenerative component.
Preferably, in road deck, mineral admixture, high water reducer, polyacrylate dispersion, polyvinyl alcohol etc. is added to add
Plus agent, comprcssive strength can reach Cc80, Cc100, Cc120 etc., and rupture strength can reach Cf5.0、Cf6.0、Cf7.0 etc., reach and carry
High road deck bearing capacity and wear-resisting purpose.
Preferably, silylation hydrophober, the additive such as polyacrylate dispersion are added in road deck, can reach antifouling,
The suppression accumulation of salt in the surface soil, uvioresistant, freeze thawing resistance and other effects.Anti-freezing property can reach D100, D200, D300 etc..
Preferably, in road deck, the additives such as polyvinyl acetate emulsion, polymer dispersion powder are added, reaching improves coagulation
Native mixture workability, it is ensured that road deck presentation quality, improves toughness of concrete.
Tables 1 and 2 is respectively surface layer 1, the proportioning example of basic unit 2.
Table 1
Table 2
Below the form of road deck of the present invention is introduced.
Described road deck length is 400mm～1800mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and width is 300mm～900mm, thickness 100mm～200mm, and.And
The length of plate is not less than 4 with the ratio of thickness.The stability of plate is improved by the length and width for increasing road deck, increases thickness
Improve panel bearing capacity.Product specification such as (length × width x thickness mm):300×600×100、600×600×120、600×1200
× 160,900 × 1800 × 200 etc..
1 thickness of surface layer is 10mm～60mm, and 2 thickness of basic unit is 90mm～140mm.Road deck is with 1 center of surface layer to surrounding
Road gradient with 0.5%-2%.
1 surface of surface layer can be pressed into moulding and the pattern of needs, halt plate including blind road plate and sidewalk for visually impaired people, can also be configured to need
The color that wants.Surface layer 1 can also adopt general aggregate, quartz aggregate and colored aggregate combination collocation, and fill coloring earth toning,
Undisguised material PROCESS FOR TREATMENT is done, reaches different decorative effects.Preferably, surface layer 1 can do the process of the rough surface such as sandblasting, and raising rubs
Wipe coefficient and improve non-skid property.
Road deck has the road gradient of 0.5%-2% with 1 center of surface layer to surrounding, permeable and basic using plate stitch
Water.
As shown in a, b, c, d in Fig. 2, road surface board finish 1 does disjoint circular curve bar groove, institute after laying installation
There are lines connect, and various patterns can be assemblied to form.
Below the installation steps of the present invention are illustrated.
Step one：Soil treatment.To laying the levelling compacting of soil matrix of pavement structure plate, it is ensured that soil matrix is closely knit, all uniform steady
Fixed, compactness is not lower than 90%.
Step 2：Basal layer is constructed.Basis can be poured using normal concrete, it is possible to use admixture cement and mineral are blended
The permeable cement stabilization gravel layer of material, ballast grain sizes are 2.50mm-31.5mm, 7 days unconfined compressive strength >=2.5MPa, permeable
Coefficient >=1.0 × 10-2Cel.
Step 3：Levelling adhesive linkage.The dry cement mortar screeding that is prepared using the sand of 0.63-2.50mm particle diameter, is looked for
Intensity >=the 7.5MPa of flat adhesive linkage, coefficient of permeability >=1.0 × 10-2Cel.
Step 4：Install.Road deck is laid on levelling adhesive linkage, and plate stitch controls in 5mm-50mm.
Step 5：Filleting.The dry cement mortar filleting that is prepared using the sand of 0.63mm-2.50mm particle diameter, filleting sand
Slurry intensity >=7.5MPa, coefficient of permeability >=1.0 × 10-2Cel.
The road deck be used for passing through the road of vehicle or airfield runway when, road deck can first be maked somebody a mere figurehead positioning and be mated formation, then make
Being irrigated with high-strength grout, improves pavior brick and globality is improved with base bond intensity.
Profile after installation is as shown in Figure 3, from top to bottom respectively soil matrix 6, basal layer 5, bonding screed-coat 4, road surface
Plate 3.
Filleting mortar mix ratio is as shown in table 3：
Table 3
Claims (10)
1. a kind of concrete pavement slab, it is characterised in that including the basic unit under surface layer and surface layer, the composition portion of the surface layer
Dividing includes water, cement, mineral admixture, fine sand, coarse sand, water reducer, and the constituent of the basic unit includes water, cement, blending
Material, non-renewable sandstone component or regenerative component, the non-renewable sandstone component is made up of fine sand, coarse sand, rubble, the regeneration
Component is made up of reclaimed sand, regeneration rubble, and wherein, the particle diameter of fine sand is 0.315mm～1.25mm, the particle diameter of coarse sand is 1.25mm
～5.0mm.
2. concrete pavement slab as claimed in claim 1, it is characterised in that the constituent of the surface layer also includes to add
Plus agent, the additive selected from silylation hydrophober, polyacrylate dispersion, polyvinyl alcohol, polyvinyl acetate emulsion, dispersible breast
One or more in rubber powder.
3. concrete pavement slab as claimed in claim 1, it is characterised in that the additive of the surface layer also includes mineral
Pigment.
4. concrete pavement slab as claimed in claim 1, it is characterised in that the constituent of the basic unit also includes to add
Plus agent, the additive selected from silylation hydrophober, polyvinyl alcohol, polyvinyl acetate emulsion, the one kind in polymer dispersion powder or
Person is multiple.
5. concrete pavement slab as claimed in claim 1, it is characterised in that particle size range in regeneration sandstone component
For：The particle diameter of reclaimed sand is 0.1mm～5.0mm and/or the particle diameter of regeneration rubble is 5.0mm～20.0mm.
6. concrete pavement slab as claimed in claim 1, it is characterised in that the road deck length be 400mm～
1800mm, width is 300mm～900mm, thickness 100mm～200mm.
7. concrete pavement slab as claimed in claim 1, it is characterised in that the thickness of the surface layer be 10mm～
60mm, groundwork thickness is 90mm～140mm.
8. concrete pavement slab as claimed in claim 1, it is characterised in that road deck has to surrounding with surface layer center
The road gradient of 0.5%-2%.
9. concrete pavement slab as claimed in claim 1, it is characterised in that be provided with disjoint circular arc song on surface layer
Lines groove, after laying is installed, all lines can be connected, and can be assemblied to form various patterns.
10. the installation method of concrete pavement slab as claimed in claim 1, it is characterised in that comprise the steps：
Step one：Soil treatment：To laying the levelling compacting of soil matrix of pavement structure plate；
Step 2：Basal layer is constructed：Using concreting or steady using the permeable cement of admixture cement and mineral admixture
Determine metalling；
Step 3：Levelling adhesive linkage：Using cement mortar or dry permeable cement mortar levelling；
Step 4：Road deck is installed, plate stitch controls in 5mm-50mm；
Step 5：Using dry permeable cement mortar filleting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611095731.4A CN106431149A (en) | 2016-12-02 | 2016-12-02 | Precast concrete pavement slab and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611095731.4A CN106431149A (en) | 2016-12-02 | 2016-12-02 | Precast concrete pavement slab and mounting method thereof |
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| Publication Number | Publication Date |
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| CN106431149A true CN106431149A (en) | 2017-02-22 |
Family
ID=58223589
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| CN201611095731.4A Pending CN106431149A (en) | 2016-12-02 | 2016-12-02 | Precast concrete pavement slab and mounting method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108033734A (en) * | 2017-12-08 | 2018-05-15 | 浙江省建设投资集团股份有限公司 | A kind of permeable terrazzo product |
| CN108467250A (en) * | 2018-04-13 | 2018-08-31 | 合肥慧林建材有限公司 | A kind of type composite flooring bricks and preparation method thereof of breathing freely that absorb water |
| CN108546045A (en) * | 2018-05-21 | 2018-09-18 | 成都建工预筑科技有限公司 | Pavior brick face layer mortar, pavior brick and preparation method thereof |
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| CN108546045B (en) * | 2018-05-21 | 2021-02-02 | 成都建工预筑科技有限公司 | Mortar material for pavement brick surface layer, pavement brick and manufacturing method thereof |
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