CN110407540B - Light-emitting concrete permeates water and contains its road pavement system - Google Patents
Light-emitting concrete permeates water and contains its road pavement system Download PDFInfo
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- CN110407540B CN110407540B CN201910706777.2A CN201910706777A CN110407540B CN 110407540 B CN110407540 B CN 110407540B CN 201910706777 A CN201910706777 A CN 201910706777A CN 110407540 B CN110407540 B CN 110407540B
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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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
- 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
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0038—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0038—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter
- C04B38/0041—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter the particulate matter having preselected particle sizes
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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
- E01C11/226—Coherent pavings
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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
- E01C17/00—Pavement lights, i.e. translucent constructions forming part of the surface
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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
- E01C3/00—Foundations for pavings
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/142—Mixtures or their components, e.g. aggregate
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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
- 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
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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
- 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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
- C04B2111/807—Luminescent or fluorescent materials
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention relates to a permeable luminous concrete and a road paving system comprising the same. The permeable luminous concrete comprises a base layer and a luminous layer laid on the base layer; the base layer is prepared from the following raw materials: the mass ratio is 1-8: 7: 3: 1-5: 0.01-0.05: 0.1-0.5 of cement, waste ceramic aggregate, stone aggregate, water, a water reducing agent and an active admixture; the luminescent layer is prepared from the following raw materials: the mass ratio is 5-10: 20-30: 0.1-4: 0.1-0.8 of resin luminescent material, long afterglow photoluminescent material, anti-settling agent and coupling agent. The light-emitting concrete permeates water can have good luminous and water permeability concurrently, has both satisfied the demand of modernized city construction to the material of mating formation that permeates water, and the fungible street lamp is thrown light on again, can also increase the ornamental of view at night, and intensity performance is good simultaneously.
Description
Technical Field
The invention relates to the technical field of concrete, in particular to permeable luminous concrete and a road paving system comprising the same.
Background
The construction of modern cities requires a large amount of sand, concrete and construction materials, and the original natural vegetation communities are continuously replaced by buildings and non-permeable hardened ground, so that the permeability of natural soil vegetation and underlying surfaces is changed, and the circulation paths of water and atmosphere are destroyed, thereby bringing a lot of negative effects to our lives, and the urgency of exploring and applying sustainable development materials, resources and energy which are in symbiotic with the environment and pursue the synchronization with social development is increasingly highlighted. Currently, water permeable paving materials have been studied in many countries.
Present permeable pavement material or wholly permeate water, perhaps permeate water through the concatenation gap of mating formation, but these two kinds of modes of permeating water are all easy because the gap is blockked up by dust or impurity, and lose the function of permeating water, and it is extremely inconvenient to maintain.
China produces and consumes a large amount of ceramics every year, the quantity of the produced and consumed ceramics accounts for 50 percent of the global consumption, and the output of the artistic, daily and architectural ceramics is the first in the world. The treatment mode of a large amount of waste ceramics generated in the building engineering is basically landfill and accumulation, and serious damage is caused to the ecological environment. How to recycle waste ceramics to convert the environmental burden of the waste ceramics into development resources is a research hotspot of many experts and scholars. In addition, the traditional common/colored permeable concrete paving material has the problems of easy saltpetering and easy fading, and has poor decoration at night, so that the night guide effect and the garden decoration effect cannot be provided.
Disclosure of Invention
Based on this, it is necessary to provide a water permeable light emitting concrete. The light-emitting pervious concrete has good light-emitting and water-permeable performances and good strength performance.
The permeable luminous concrete comprises a base layer and a luminous layer laid on the base layer;
the base layer is prepared from the following raw materials: the mass ratio is 1-8: 7: 3: 1-5: 0.01-0.05: 0.1-0.5 of cement, waste ceramic aggregate, stone aggregate, water, a water reducing agent and an active admixture;
the luminescent layer is prepared from the following raw materials: the mass ratio is 5-10: 20-30: 0.1-4: 0.1-0.8 of resin luminescent material, long afterglow photoluminescent material, anti-settling agent and coupling agent.
In one embodiment, the coupling agent is selected from at least one of a chromium complex coupling agent, a silane coupling agent, a titanate coupling agent, and a zirconium-based coupling agent.
In one embodiment, the coupling agent is a mixture of a chromium complex coupling agent and a zirconium-based coupling agent.
In one embodiment, the anti-settling agent is at least one of an organobentonite, a castor oil derivative, and fumed silica.
In one embodiment, the anti-settling agent is a mixture of an organobentonite and a castor oil derivative.
In one embodiment, the resin luminescent material is prepared from polystyrene resin and rare earth long-afterglow luminous powder; and/or the long afterglow photoluminescent material is selected from at least one of a silicate system, an aluminate system and a sulfide system; and/or the active admixture is selected from the mixture of two or three of fly ash, slag micropowder and silica fume.
In one embodiment, the waste ceramic aggregate is graded in a range of 5-10 mm; and/or the grading of the stone aggregate is 5-10 mm grade.
The invention also provides a preparation method of the pervious luminescent concrete, which comprises the following steps:
mixing the raw materials of the base layer and pressing to obtain the base layer;
and mixing the raw materials of the luminous layer, and paving the mixture on the base layer.
The invention also provides a road paving system which comprises a concrete layer made of the pervious luminous concrete.
In one embodiment, the road paving system comprises: the water recycling device comprises a plain soil rammed layer, a gravel cushion layer laid on the rammed layer, a concrete layer laid on the gravel cushion layer and a water recycling unit; the water recycling unit includes: the water storage and drainage pool, the water collection pool and the water utilization unit are embedded in the plain soil compaction layer;
the water storage and drainage tank is provided with a siphon pipe communicated with the outside and is communicated with the water collection tank through a drainage pipe; the water drainage pipe is provided with a water filtering device used for filtering water which flows from the water storage and drainage tank to the water collection tank; the water utilizing unit is connected to the water collecting tank to utilize water in the water collecting tank.
Compared with the prior art, the invention has the following beneficial effects:
the permeable luminescent concrete provided by the invention has the advantages that the waste ceramic aggregate is recycled to partially replace stone aggregate in the concrete, the use of the stone aggregate is reduced, and the prepared base layer has good water permeability. Meanwhile, a luminous layer is laid on the base layer, and through reasonable preparation of a luminous material, an anti-settling agent and a coupling agent, the luminous layer can exert good luminous performance and avoid adverse effects on the water permeability of the base layer, so that the prepared permeable luminous concrete can have good luminous and water permeability, the requirement of modern city construction on a permeable paving material is met, the permeable luminous concrete can replace a street lamp to illuminate, the ornamental property of night landscape can be increased, and the strength performance is good.
Drawings
Fig. 1 is a schematic structural diagram of a road paving system according to an embodiment of the invention.
Detailed Description
The present invention will be described in detail with reference to specific embodiments below.
The embodiment of the invention provides a permeable luminous concrete, which comprises a base layer and a luminous layer laid on the base layer; the base layer is prepared from the following raw materials: the mass ratio is 1-8: 7: 3: 1-5: 0.01-0.05: 0.1-0.5 of cement, waste ceramic aggregate, stone aggregate, water, a water reducing agent and an active admixture; the luminescent layer is prepared from the following raw materials: the mass ratio is 5-10: 20-30: 0.1-4: 0.1-0.8 of resin luminescent material, long afterglow photoluminescent material, anti-settling agent and coupling agent.
In the traditional concrete scheme, concrete with water permeability or light-emitting performance is singly adopted, but the concrete scheme for compounding the two performances is not reported. The concrete has the following two ways of making the concrete have the light-emitting property: firstly, mixing a luminescent material into concrete; secondly, coating luminescent materials on the surface of the concrete base layer. In the first mode, the luminescent material can be filled in the water permeable pores of the concrete, so that the water permeability is adversely affected, the luminescent performance is difficult to guarantee, and the waste of the luminescent material can be caused. In the second mode, the luminescent material is easy to bury the water-permeable pores during coating, the requirement on a constructor is high, and in the long-term use process, the luminescent material is easy to peel off or sink into the base layer along with water flow, so that the luminescent performance is damaged.
Based on the technical scheme, the luminescent material, the anti-settling agent and the coupling agent are reasonably compounded in the luminescent layer, so that the prepared luminescent layer has the characteristic of quick forming, the filling of water permeable pores caused by the fluidity can be avoided during laying, meanwhile, the waste ceramic aggregate and the stone aggregate in the base layer are reasonably proportioned, and the formed air permeable pores can be matched with the fluidity of the luminescent layer, so that the luminescent layer is well supported, and the luminescent layer has good air permeability and good strength performance. In addition, the anti-settling agent and the coupling agent are reasonably compounded, so that the adverse effect of the anti-settling agent and the coupling agent on the luminous property of the luminous material is avoided, the luminous layer can be tightly attached to the surface of the base layer and is not easy to peel off or sink into the base layer along with water flow, and the prepared concrete has an excellent and lasting luminous effect.
In one specific embodiment, the base layer is made of raw materials comprising the following components: the mass ratio is 3-5: 7: 3: 1-2: 0.025 to 0.04: 0.15-0.4 of cement, waste ceramic aggregate, stone aggregate, water, a water reducing agent and an active admixture; the luminescent layer is prepared from the following raw materials: the mass ratio is 6-10: 22-28: 1-3: 0.4-0.6 of luminescent material, anti-settling agent and coupling agent.
In one specific embodiment, the coupling agent is selected from at least one of a chromium complex coupling agent, a silane coupling agent, a titanate coupling agent, and a zirconium-based coupling agent. In the examples below, the chromium complex coupling agent is chromium methacrylate chloride; the silane coupling agent is KH 550; the titanate coupling agent is tetrabutyl titanate; the zirconium coupling agent is tetra-n-propyl zirconate.
Preferably, the coupling agent is a mixture of a chromium complex coupling agent and a zirconium-based coupling agent. More preferably, the coupling agent is a mixture of a chromium complex coupling agent and a zirconium coupling agent in a weight ratio of 1: 1-3.
In one specific embodiment, the anti-settling agent is at least one of an organobentonite, a castor oil derivative, and fumed silica. Preferably, the anti-settling agent is a mixture of an organobentonite and a castor oil derivative. More preferably, the anti-settling agent is a mixture of organic bentonite and castor oil derivatives in a weight ratio of 1: 0.5-2.
In one specific embodiment, the grade of the waste ceramic aggregate is 5-10 mm. More specifically, the waste ceramic aggregate is formed by crushing and processing waste ceramics.
In one specific embodiment, the grading of the stone aggregate is 5-10 mm.
In one particular embodiment, the cement is portland cement.
In one particular embodiment, the luminescent material may be at least one of a resin luminescent material and a long persistence photoluminescent material. The resin luminescent material and the long afterglow photoluminescent material both belong to luminescent materials which can store energy after absorbing the energy of visible light, ultraviolet rays and the like, slowly release the energy in a dark environment and emit light for a long time. Specifically, the luminescent material may be a resin luminescent stone or a long afterglow photoluminescent stone.
Specifically, the resin luminescent material is prepared from polystyrene resin and rare earth long-afterglow luminous powder. The long afterglow photoluminescent material is selected from at least one of a silicate system, an aluminate system and a sulfide system, wherein the silicate system may be (CaSr) MgSi2O7:Eu2+,Dy3+(ii) a The aluminate system may be, for example, SrAl2O4:Eu:Dy3+(ii) a The sulfide system may be, for example, CaS: Bi. The resin luminescent material and the long afterglow photoluminescent material are both commercial products. In the following examples, the long persistence photoluminescent material employs an aluminate system SrAl2O4:Eu:Dy3+。
In one particular embodiment, the water reducing agent is selected from at least one of lignosulfonate, naphthalene sulfonate water reducing agent, powdered polycarboxylate and casein.
In one particular embodiment, the reactive admixture is selected from a mixture of two or three of fly ash, slag fines and silica fume. The occurrence of the concrete alkali-resistant phenomenon is closely related to the compatibility of raw materials such as cement, aggregate and the like of the concrete. Aiming at the raw material system of the base layer, the invention further takes the mixture of two or three of the fly ash, the slag micro powder and the silica fume as an active admixture, and the admixture is added according to a certain proportion, so that the admixture can effectively generate a secondary reaction with the salt in the cement, and the calcium hydroxide is converted into calcium silicate gel, thereby preventing the calcium silicate gel from dissociating to the surface of the concrete, avoiding the occurrence of the phenomenon of efflorescence and well preventing and solving the problem that the concrete is easy to fade and efflorescence. Preferably, the active admixture is a mixture of fly ash, slag micropowder and silica fume. More preferably, the fly ash, the slag micro powder and the silica fume are mixed according to the weight ratio of 1: 2-4 for use.
The preparation method of the permeable luminous concrete can comprise the following steps:
preparing a base layer: uniformly stirring the cement, the waste ceramic aggregate, the stone aggregate, the water reducing agent and the active admixture, and pressing to obtain a base layer;
preparing a luminescent layer: and mixing the luminescent material, the anti-settling agent and the coupling agent, and then paving the mixture on the surface of the base layer.
In one specific embodiment, the laying method may be: placing an irregular hollow mold on the base layer, smearing and covering the mixed material in a mode of filling the hollow mold, and taking down the irregular hollow mold after the light-emitting layer is stably formed. This allows the desired pattern to be formed and further avoids covering the water-permeable gaps.
The pervious luminescent concrete is used for paving roads in application environments such as park roads, sidewalks, non-motor vehicle lanes or square footpaths.
The embodiment of the invention also provides a road paving system which comprises a concrete layer made of the pervious luminous concrete.
In one specific embodiment, the road paving system includes: the concrete foundation comprises a plain soil tamping layer, a gravel cushion layer laid on the plain soil tamping layer, and a concrete layer laid on the gravel cushion layer. According to the arrangement of the layer structure, better road strength can be obtained, and the road water permeability is good.
In one specific embodiment, when paving, a concrete layer made of the pervious luminous concrete with the specification of 300-500 mm × 250-300 mm can be used as a paving unit, wherein the thickness of the luminous layer can be set to be 20-30 mm. In addition, the amplitude of the surface relief of the light-emitting layer is generally not more than 3 mm.
In one specific embodiment, the thickness of the gravel cushion layer is 100-150 mm.
The road paving system can be further added with a water recycling unit to collect and utilize water on the surface of the road and penetrating through the road.
In one specific embodiment, the road paving system further comprises a water recycling unit; the water recycling unit includes: the water storage and drainage pool, the water collection pool and the water utilization unit are embedded in the plain soil compaction layer;
the water storage and drainage tank is provided with a siphon pipe communicated with the outside and is communicated with the water collection tank through a drainage pipe; the water drainage pipe is provided with a water filtering device used for filtering water which flows from the water storage and drainage tank to the water collection tank; the water utilizing unit is connected to the water collecting tank to utilize water in the water collecting tank.
As shown in fig. 1, the road paving system includes a plain soil compacting layer 101, a gravel cushion layer 102 laid on the plain soil compacting layer 101, and a concrete layer 103 laid on the gravel cushion layer 102, where the concrete layer 103 is made of the aforementioned permeable light-emitting concrete, and includes a base layer 031 and a light-emitting layer 032. In addition, the road paving system is also provided with a water recycling unit, and the water recycling unit comprises: a water storage and drainage tank 201, a water collection tank 202 and a water utilization unit 203 which are embedded in the soil compacting layer 101.
The water storage and drainage tank 201 is provided with a plurality of siphon pipes 011 communicated with the outside and communicated with the water collection tank 202 through a drainage pipe 204; the drain pipe 204 is provided with a water filtering device 205 for filtering the water circulated from the water storage and drainage tank 201 to the water collection tank 202; the water utilizing unit 203 is connected to the water collecting tank 202 to utilize the water in the water collecting tank 202.
Further, the top of holding drainage pond 201 is equipped with apron 012, and siphon pipe 011 is located on apron 012, and a plurality of siphon pipes 011 passes through siphon drain tank 014 and is connected with drain bar 013, and drain bar 013 can be with the water (and the partly of the water that permeates into the road pavement system) water conservancy diversion to siphon drain tank 014 on its surface, can gather the water that permeates into the road pavement system and the water on surface from this and collect, and the collection effect is better. Still can set up waterproof layer 015 between apron 012 and drain bar 013, avoid water accumulation on apron 012 surface from this, be favorable to the collection of water.
More specifically, siphon pipe 011 can be netted hemisphere pipe with the one end of external intercommunication, and intraductal nylon string bag that uses is equipped with the adsorption material, can more swift retrieve the water on surface. The adsorbent material includes, but is not limited to, at least one of slag, ceramsite, and charcoal particles. The nylon string bag of adsorbing material can hang in hydrocone type pipe screw mouth upper end, conveniently takes out hydrocone type pipe regularly to the adsorbing material to in the nylon string bag is changed.
The water filter 205 may be a non-woven fabric. An observation well can be arranged between the water storage and drainage tank 201 and the water collection tank 202 to observe the water recovery condition. The water utilization unit 203 may be a sprinkling irrigation device, and the recovered water is used for sprinkling irrigation of plants or land.
More specifically, the edge that concrete layer 103 and surrounding environment road link up mutually is provided with curb banding 033, and the lower extreme of curb banding 033 extends to rubble bed course 102. Therefore, water can be prevented from permeating into the surrounding environment road, and the gathering and collection are facilitated.
The following are specific embodiments of the aforementioned light-emitting pervious concrete, and all embodiments can be applied to the aforementioned road paving system.
The cements used in examples 1-6 and comparative examples 1-3 were all P · O42.5 portland cement; the grading of the waste ceramic aggregate and the stone aggregate is 5-10 mm.
The raw material compositions (kg) and performance test results of the pervious luminous concrete of examples 1 to 6 and comparative examples 1 to 3 are shown in the following tables 1 and 2:
the performance test standard refers to CJJT35-2009 pervious cement concrete pavement technical regulation, and the standard indexes (C20) are as follows: the compressive strength (28 d) is more than or equal to 20.0 MPa; the bending and pulling strength (28 d) is more than or equal to 2.5 MPa; the continuous porosity is 11-17%; the water permeability coefficient is more than or equal to 0.5 mm/s.
TABLE 1
TABLE 2
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The permeable luminous concrete is characterized by comprising a base layer and a luminous layer laid on the base layer;
the base layer is prepared from the following raw materials: the mass ratio is 3-5: 7: 3: 1-2: 0.025 to 0.04: 0.15-0.4 of cement, waste ceramic aggregate, stone aggregate, water, a water reducing agent and an active admixture;
the luminescent layer is prepared from the following raw materials: the mass ratio is 6-10: 22-28: 1-3: 0.4-0.6 of resin luminescent material, long afterglow photoluminescent material, anti-settling agent and coupling agent;
the resin luminescent material is prepared from polystyrene resin and rare earth long afterglow luminous powder;
the coupling agent is a mixture of chromium chloride methacrylate and tetra-n-propyl zirconate;
the anti-settling agent is a mixture of organic bentonite and castor oil derivatives.
2. The pervious luminescent concrete of claim 1, wherein the coupling agent is a mixture of a chromium complex coupling agent and a zirconium-based coupling agent in a weight ratio of 1: 1-3.
3. The pervious luminescent concrete of claim 1, wherein the anti-settling agent is a mixture of organobentonite and castor oil derivatives in a weight ratio of 1: 0.5-2.
4. The pervious luminescent concrete according to claim 1, wherein the long afterglow photoluminescent material is selected from at least one of a silicate system, an aluminate system and a sulfide system.
5. The pervious luminous concrete of claim 1, characterized in that the active admixture is selected from a mixture of two or three of fly ash, slag micropowder and silica fume.
6. The pervious luminescent concrete according to any one of claims 1 to 5, wherein the waste ceramic aggregate is graded in the range of 5 to 10 mm.
7. The pervious luminescent concrete according to any one of claims 1 to 5, characterized in that the grading of the stone aggregate is of 5 to 10mm grade.
8. The method for preparing the pervious luminous concrete of any one of claims 1 to 7, characterized by comprising the following steps:
mixing the raw materials of the base layer and pressing to obtain the base layer;
and mixing the raw materials of the luminous layer, and paving the mixture on the base layer.
9. Road paving system, characterized in that it comprises a concrete layer made of the pervious luminescent concrete according to any one of claims 1 to 7.
10. The road paving system of claim 9, comprising: the water recycling device comprises a plain soil tamping layer, a gravel cushion layer laid on the plain soil tamping layer, a concrete layer laid on the gravel cushion layer and a water recycling unit; the water recycling unit includes: the water storage and drainage pool, the water collection pool and the water utilization unit are embedded in the plain soil compaction layer;
the water storage and drainage tank is provided with a siphon pipe communicated with the outside and is communicated with the water collection tank through a drainage pipe; the water drainage pipe is provided with a water filtering device used for filtering water which flows from the water storage and drainage tank to the water collection tank; the water utilizing unit is connected to the water collecting tank to utilize water in the water collecting tank.
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| CN114751696B (en) * | 2022-04-19 | 2023-08-22 | 玺大建设工程有限公司 | Recycled aggregate energy storage luminous water permeable brick and preparation method thereof |
| CN114808838A (en) * | 2022-05-16 | 2022-07-29 | 扬州大学 | Throttle recovery system based on novel concrete that permeates water of regeneration |
| CN114956688A (en) * | 2022-05-30 | 2022-08-30 | 佛山市东鹏陶瓷有限公司 | Long-afterglow luminous flexible building material and preparation method thereof |
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