CN107032660A - A kind of preparation method for the composite for laying porous pavement - Google Patents
A kind of preparation method for the composite for laying porous pavement Download PDFInfo
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- CN107032660A CN107032660A CN201611013680.6A CN201611013680A CN107032660A CN 107032660 A CN107032660 A CN 107032660A CN 201611013680 A CN201611013680 A CN 201611013680A CN 107032660 A CN107032660 A CN 107032660A
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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
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- 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
- C04B26/06—Acrylates
-
- 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
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- 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
- C04B28/10—Lime cements or magnesium oxide cements
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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
-
- 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
-
- 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
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Inorganic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention belongs to technical field of civil engineering, it is related to a kind of permeable pavement structure, for the road pavement field after coastal cities road pavement or sea reclamation, solve that traditional slag road surface is present because sea water intrusion causes the sagging problem in road surface, also solve the processing problem of discarded object, realize road hardening and extend Road Service Life, the pavement structure includes bed course, pervious bed, basic unit, screed-coat and surface layer successively from bottom to top；Wherein, a kind of composite is laid by basic unit, its primary raw material includes aggregate, cinder, flyash, middle sand, clay powder and binding agent, and its is rational in infrastructure, and water penetration is strong, it is corrosion-resistant, cost is low, and application environment is friendly, and service life is long, road upkeep cost is low, with good economic benefit and market prospects.
Description
Technical field：
The invention belongs to civil engineering material preparing technical field, it is related to a kind of system for the composite for laying porous pavement
Preparation Method, for the road pavement occasion after coastal cities road pavement or marine reclamation land.
Background technology：
Actual marine reclamation land is exactly to reclaim fields from the sea, and first the beach of certain area is fenced up, then to tamp.Reclaim fields from the sea
Generally there are two kinds of forms, one is the ground of making being connected with continental coast, referred to as " enclosing painting "；Two be that orphan is suspended in shallow sea and forms artificial
Island.In reclaiming fields from the sea for being connected with continent, there are two kinds to enclose painting mode again, one is that direct fill is enclosed on the beach beyond water front
Apply；Two be to enclose the beach inserted inside the gulf of harbour, and it fills out the material in sea in addition to being banketed using mountain stone, all largely uses dredged mud
Replace good sand etc. to be used as earth working material as filler, not only reduce influence of the waste silt to environment, and production
New earth working material resource is given birth to.Except initial stage cofferdam construction and the later stage on a small quantity covering mellow soil in addition to, base during new soil building ground
A land soil sandstone need not be taken in sheet, but utilizes towboat, dredger in marine operation, cofferdam, Ran Houyi is first made
Side inhales sand and blows sand and builds basin, and the marine site fenced up is filled out in silt on one side, is then built and is blocked damp dykes and dams, dykes and dams elevation, dam configuration and
Form of fracture will according to landform geological conditions, highest water level and wave are high, climb etc., and factor is determined.Even if with filling out extra large institute's soil building without
In production grain or freshwater aquiculture, some water channels are also excavated in the beach of landfill, inland dike is built, embankment inner side will also be excavated
Seepage interception ditch, prevents seawater from, to continuing to feed salinity in landfill area, progressively carrying out salt water, fresh water shunting, accelerating Soil Desalting and ground
Lower water desalination, otherwise, the underground steel construction and cement portion of the building structure hereafter built can be too corroded.Although taking
Above-mentioned many measures, traditional road pavement mode is not suitable for the road pavement after marine reclamation land and coastal cities road paving still
Fill occasion.
In the prior art, Chinese patent CN103864370B disclose a kind of slag scrap rubber cast waste sand pavement material and
It prepares laying method, the material include roadbase and road deck, roadbase by following percentage by weight raw material system
Into：Slag 36-58%, waste rubber grain 8-12%, cast waste sand 5-36%, consolidating agent 15-35%, road deck is by following heavy
The raw material of amount backup is made：Slag 22-55%, waste Crumb rubber 8-18%, cast waste sand 5-35%, consolidating agent 3-15%, the skill
The slag, scrap rubber, cast waste sand that have pollution to environment are prepared into pavement material by art scheme, are imitated using the reinforcing of cast waste sand
The intensity of pavement material should be improved, the rigidity of pavement material is reduced using the strengthening effect of cast waste sand, improves pavement material
Anti-cracking performance and road-ability, while replacing natural rubble with slag, reduce the financial cost of pavement material, with notable
Economic results in society, but road after coastal cities road or marine reclamation land, in marine site, seawater can pass through pipeline or earth's surface
Deng corrosion slag is gradually impregnated with, cause road to sink or ftracture, reduce Road Service Life, increase maintenance cost.
The content of the invention：
It is an object of the invention to overcome the shortcoming that prior art is present, seek to design a kind of the compound of laying porous pavement
The preparation method of material, solves, because of the problem that sea water intrusion causes road surface to sink or ftracture, to realize road hardening and extend road
Service life.
To achieve these goals, the specific step of preparation process of the composite of laying porous pavement of the present invention
For：
(1) first by one of oyster shell, scallop shell, conch shell or shell of its any combination hydrogen peroxide dipping 2-4 hours,
Slough is washed, 3-5 is rinsed after with industrial water, then natural air drying is crushed shell with the broken formula disintegrating machine of one section of hammer, then
Shell is ground into particle with pulverizer, after being sieved by circular shale shaker extension set, granularity standby from the particle less than 2.36mm
Undesirable bulk brings back to the broken formula disintegrating machine of two sections of hammers by conveying and crushed again, and the satisfactory particle of granularity is by skin
Band conveyer is delivered to finished product area, then transports standby to scene；
(2) the catching flyash from the flue gas after coal combustion, it is 0.18% to take water content, and loss on ignition is 1.72%, three oxygen
It is 0.11% to change sulfur content, and fineness is standby for 0.045mm dryness flyash；
(3) the middle sand for taking particle diameter to be 0.25-0.5mm is sieved with screen cloth standby；
(4) binding agent is used as using epoxy resin or acrylic resin；
(5) it is and then by each raw material component by weight 35-60 parts of aggregate, 20-45 parts of flyash, middle sand 12-16 parts, clay
The 10-15 parts of mixing of 5-10 parts of powder and binding agent, the aggregate is one of oyster shell, scallop shell, conch shell or its any combination
Shell particles, particle diameter is less than 2.36mm；First add appropriate water in mixer, then each raw mixture added in mixer,
Add water, amount of water is no more than the 3% of gross mass twice, and uniform stirring is no less than 3 minutes, takes composite to pave in pervious bed
On be compacted with road roller, condensed after 24-48 hours to composite, watering maintenance 7-10 days, or by the composite mould
Permeable prefabricated component is made to be laid on pervious bed, thickness is 50-100mm.
It is of the present invention laying porous pavement composite raw material comprising aggregate, flyash, middle sand, clay powder and
Binding agent, the composition by weight of its each raw material is 35-60 parts of aggregate, 20-45 parts of flyash, middle sand 12-16 parts, 5-10 parts of clay powder
With 10-15 parts of binding agent；The aggregate is the shell particles of one of oyster shell, scallop shell, conch shell or its any combination, particle diameter
Less than 2.36mm；The flyash is that water content is 0.18%, and loss on ignition is 1.72%, and sulfur trioxide content is 0.11%, carefully
Spend the dryness flyash for 0.045mm；The binding agent is epoxy resin or acrylic resin；The moisture content of composite is less than
3%, road surface is directly layed in after can stirring and forms basic unit, or is made for road surfacing or rainwater-collecting, water mistake
The permeable prefabricated component of filter, its coefficient of permeability reaches 2.0 × 10-2Cm/s, compression strength is 22.5-32.5Mpa.
The pavement structure that the composite of laying porous pavement of the present invention is laid includes pad successively from bottom to top
Layer, pervious bed, basic unit, screed-coat and surface layer, wherein, setting cushion thickness is 8-15mm, and its material is that particle diameter is less than 2.36mm
Hair keratite stone material leftover bits and pieces；The geotextiles sandstone bag layer for the 5-10mm that pervious bed is laid comprising bottom, the modeling of middle part laying
Expect the sandstone weight in the geotextiles sandstone bag layer for the 100-200mm that weeper drain layer and top are laid, the geotextiles sandstone bag
Amount is than being 4：1, the sandstone is the stone material leftover bits and pieces of quartz sand and hair keratite, and particle diameter is 0.08-1.6mm；Basic unit's laying is thick
The composite for 50-100mm is spent, the composition by weight of its each raw material is 35-60 parts of aggregate, 20-45 parts of flyash, middle sand 12-
10-15 parts of 16 parts, 5-10 parts of clay powder and binding agent, are directly layed in road surface and form base after composite is mixed evenly
Layer, or permeable prefabricated component is made of mould for the composite is laid on pervious bed；Laying depth is 30-50mm in basic unit
Screed-coat, the raw material of screed-coat includes lime, middle sand, hair keratite and clay, and by weight being 10-20:40-50:80-
100：1 prepares, and the coefficient of permeability of the screed-coat is more than 2.5 × 10-2Cm/s, the middle sand is sand in washing, and clay content is little
In 3%, the maximum particle diameter of the hair keratite is not more than the 2/3 of cushion thickness, and clay content is not more than 2%；The laying depth of surface layer
For 5-10mm, its material component by weight is 15-25 parts of pitch, 10-25 parts of hair keratite powder, 35-65 parts of flyash, rubber particle
5-10 parts and 5-15 parts of preparations of paraffin wax；The paraffin is that lignite of the freezing point more than 45 degrees Celsius is cured, polymerize cured or glyceride；Institute
The particle diameter of rubber particle is stated between 2.6-4mm；The hair keratite powder density is more than 2.5t/m3, particle diameter is less than 0.045mm；Institute
It is that water content is 0.18% to state flyash, and loss on ignition is 1.72%, and sulfur trioxide content is 0.11%, and fineness is 0.045mm's
Dryness flyash.
The specific step of mating formation that the composite of laying porous pavement of the present invention is used to lay road surface includes：
(1) construction is prepared：Before the road pavement of marine reclamation land, first progress sand ground is smooth, is then rammed with heavy circle by sand
Tamp to form roadbed in ground；Or before coastal road pavement, road surface is first cleared up smooth, then tamps ground to form road with tamping machine
Base；Then by design requirement in planning road region unwrapping wire, and prune job place, then rolled repeatedly on roadbed with forcing press
Until roadbed is compacted, the preparation of construction before paving is completed；
(2) bed course is laid：Uniform ground lays the stone for the hair keratite that a layer thickness is 8-15mm on the roadbed being compacted
Material leftover bits and pieces formation bed course, the stone material leftover bits and pieces of the hair keratite is less than 2.36mm through broken, screening process maximum particle diameter；
(3) pervious bed is laid：Tiling several on bed course, to fill geotextiles bag formation thickness of sandstone be 5-10mm's
Geotechnological cloth bag layer, then mat formation on geotechnological cloth bag layer plastic drainage French drain layer, weeper drain access municipal drainage pipeline, in draining
Being tiled again on french drain layer, several fill geotechnological cloth bag layer of the geotextiles bag formation thickness of sandstone for 100-200mm；The soil
Work cloth bag is geotextile, and its raw material is the synthetic fibers of high molecular polymer, is made up of acupuncture or braiding, with permeable
Property；The sandstone presses 4 for the stone material leftover bits and pieces of quartz sand and hair keratite：1 weight ratio mixing, the stone material leftover bits and pieces of hair keratite
Particle diameter is between 0.08-1.6mm；
(4) basic unit is laid：Then one layer of composite formation thickness of tiling is 50- on the geotechnological cloth bag layer of the superiors
100mm basic unit, the composition by weight of each raw material of the composite is 35-60 parts of aggregate, 20-45 parts of flyash, middle sand 12-
10-15 parts of 16 parts, 5-10 parts of clay powder and binding agent, first add appropriate water, then component by weight into the mixer of rotation
Aggregate, flyash, middle sand and clay powder are put into successively, added water, amount of water sum is no more than the 3% of gross mass twice,
Even stirring is no less than 3 minutes, is taken composite to pave the 50-100mm on pervious bed, is compacted with road roller, after 24-48 hours extremely
Composite condenses, and sprinkling water and conserve 7-10 days, or the composite is made into permeable prefabricated component of mould is laid on pervious bed；
The aggregate is the shell particles of one of oyster shell, scallop shell, conch shell or its any combination, and particle diameter is less than 2.36mm；
(5) screed-coat is laid：Laying depth is 30-50mm screed-coat in basic unit again, and the raw material of screed-coat includes stone
Grey, middle sand, hair keratite and clay powder, by weight 10-20:40-50:80-100：1 prepares；The coefficient of permeability of the screed-coat
More than 2.5 × 10-2cm/s；The middle sand is sand in washing, and clay content is not more than 3%；The maximum particle diameter of the hair keratite is little
In the 2/3 of cushion thickness, clay content is not more than 2%；Before laying, section first is divided by planning chart wiring, then identify longitudinal contracting
Seam and transverse contraction joint position, the adjacent spacing of longitudinal direction contracting seam are not more than 6m, then arrange Bidirectional leveling pier position, levelling pier is highly same
Screed-coat thickness is identical, and adjacent levelling pier longitudinal pitch is not more than 2m, then moistens basic unit, then into the mixer of rotation
Add appropriate water, then by preparing than hair keratite, lime, middle sand and clay powder are put into successively, add water, twice amount of water it
With 3% no more than gross mass, mixing time is no less than 2 minutes；Finally in basic unit, upper surface brush is neutral together since one end
Silicone combination glue, paved mortar in brush, and the laying time is no more than 2 hours, and with levelling pier elevation control, virtual resurfacing thickness, which is higher than, to be looked for
Flat pier, then with after vibration board vibration compacting, flatness is checked by mark of levelling pier, is struck off with horizontal darby or with wood
Trowel rubs flat with the hands, plasterer's trowel Troweling press finishing, and laying screed-coat is after 12 hours, watering maintenance 7-10 days；
(6) surface layer is laid：Finally level lays 5-10mm surface layer on screed-coat, and the surface layer includes pitch, Mao Jiao
Stone flour, flyash, rubber particle and paraffin wax；Its component by weight is 15-25 parts of pitch, 10-25 parts of hair keratite powder, flyash
35-65 parts, the 5-15 parts of preparations of 5-10 parts of rubber particle and paraffin wax；The paraffin be freezing point be more than 45 degrees Celsius lignite it is cured,
It polymerize cured or glyceride；The particle diameter of the rubber particle is between 2.6-4mm；The hair keratite powder density is more than 2.5t/m3, grain
Footpath is less than 0.045mm；The flyash is that water content is 0.18%, and loss on ignition is 1.72%, and sulfur trioxide content is 0.11%,
Fineness is 0.045mm dryness flyash；Pave on screed-coat, struck off with horizontal darby after each raw material is mixed evenly
Or rub flat with the hands with wooden float, after plasterer's trowel Troweling press finishing, watering maintenance 7-10 days completes mating formation for porous pavement.
The geotextiles are divided into Woven geofabric and non-woven geotextile two types according to manufacture method.Common engineering is main
It is the non-woven geotextile used, " yardage roll " general width is 4-6 meters, and length is 50-100 meters.Geotechnique is furnished with many features, and one is
Strength is high, due to using plastic flat fiber, and sufficiently strength and elongation can be kept under dry and wet state.Two be corrosion-resistant, not
Can be muchly corrosion-resistant in the soil and water of same acid-base value.Three be good water permeability, has space between flat filament, therefore have good
Permeability performance.Four be that microbial resistance is good, to microorganism, damage by worms it is without prejudice.Five be easy construction, because material is soft,
So either transport, laying are all very convenient.Therefore, geotextiles there is outstanding filtering, it is draining, isolation, reinforcement, antiseepage, anti-
Shield is acted on, with lightweight, tensile strength is high, good penetrability, high temperature resistant, anti-freezing, ageing-resistant, corrosion-resistant.
The present invention is compared with prior art, you can solves the processing problem of discarded object, also solves the problem that traditional slag road surface is deposited
Shortcoming, its overall preparation technology is simple, and cost is low, and energy-conserving and environment-protective, service life is long, and road upkeep cost is low, with good
Good economic benefit and market prospects.
Brief description of the drawings：
Fig. 1 mats formation the method flow diagram of road for the composite of laying porous pavement of the present invention.
Fig. 2 mats formation the principle schematic diagram of road for the composite of laying porous pavement of the present invention, wherein,
Including bed course 1, pervious bed 2, basic unit 3, screed-coat 4, surface layer 5.
Embodiment：
Below by embodiment and the present invention will be further described with reference to accompanying drawing.
Embodiment 1：
The specific step of preparation process of the composite for the laying porous pavement that the present embodiment is related to is：
(1) first by one of oyster shell, scallop shell, conch shell or shell of its any combination hydrogen peroxide dipping 2-4 hours,
Slough is washed, 3-5 is rinsed after with industrial water, then natural air drying is crushed shell with the broken formula disintegrating machine of one section of hammer, then
Shell is ground into particle with pulverizer, after being sieved by circular shale shaker extension set, granularity standby from the particle less than 2.36mm
Undesirable bulk brings back to the broken formula disintegrating machine of two sections of hammers by conveying and crushed again, and the satisfactory particle of granularity is by skin
Band conveyer is delivered to finished product area, then transports standby to scene；
(2) the catching flyash from the flue gas after coal combustion, it is 0.18% to take water content, and loss on ignition is 1.72%, three oxygen
It is 0.11% to change sulfur content, and fineness is standby for 0.045mm dryness flyash；
(3) the middle sand for taking particle diameter to be 0.25-0.5mm is sieved with screen cloth standby；
(4) binding agent is used as using epoxy resin or acrylic resin；
(5) it is and then by each raw material component by weight 35-60 parts of aggregate, 20-45 parts of flyash, middle sand 12-16 parts, clay
10-15 parts of 5-10 parts of powder and binding agent, the aggregate are the shell of one of oyster shell, scallop shell, conch shell or its any combination
Particle, particle diameter is less than 2.36mm；First add appropriate water in mixer, then each raw mixture is added in mixer, then add
Water, amount of water is no more than the 3% of gross mass twice, and uniform stirring is no less than 3 minutes, is taken composite to pave on pervious bed and is used
Road roller is compacted, and is condensed after 24-48 hours to composite, watering maintenance 7-10 days, or the composite is made of mould
Permeable prefabricated component is laid on pervious bed, and thickness is 50-100mm.
The raw material of the composite for the laying porous pavement that the present embodiment is related to includes aggregate, flyash, middle sand, clay powder
And binding agent, the composition by weight of its each raw material is 35-60 parts of aggregate, 20-45 parts of flyash, middle sand 12-16 parts, clay powder 5-10
10-15 parts of part and binding agent；The aggregate is the shell particles of one of oyster shell, scallop shell, conch shell or its any combination, grain
Footpath is less than 2.36mm；The flyash is that water content is 0.18%, and loss on ignition is 1.72%, and sulfur trioxide content is 0.11%,
Fineness is 0.045mm dryness flyash；The binding agent is epoxy resin or acrylic resin；The moisture content of composite is small
Road surface is directly layed in 3%, after can stirring and forms basic unit, or is made for road surfacing or rainwater-collecting, water
The permeable prefabricated component of filtering, its coefficient of permeability reaches 2.0 × 10-2Cm/s, compression strength is 22.5-32.5Mpa.
Claims (2)
1. a kind of preparation method for the composite for laying porous pavement, it is characterised in that concrete technology step is：
(1) first one of oyster shell, scallop shell, conch shell or shell of its any combination hydrogen peroxide dipping 2-4 hour are cleaned
Fall slough, 3-5 is rinsed after with industrial water, then natural air drying is crushed shell with the broken formula disintegrating machine of one section of hammer, then use powder
Shell is ground into particle by broken machine, and after being sieved by circular shale shaker extension set, standby from the particle less than 2.36mm, granularity is not inconsistent
The bulk that conjunction is required brings back to the broken formula disintegrating machine of two sections of hammers by conveying and crushed again, and the satisfactory particle of granularity is defeated by belt
Send machine to be delivered to finished product area, then transport standby to scene；
(2) the catching flyash from the flue gas after coal combustion, it is 0.18% to take water content, and loss on ignition is 1.72%, sulfur trioxide
Content is 0.11%, and fineness is standby for 0.045mm dryness flyash；
(3) the middle sand for taking particle diameter to be 0.25-0.5mm is sieved with screen cloth standby；
(4) binding agent is used as using epoxy resin or acrylic resin；
(5) it is and then by each raw material component by weight 35-60 parts of aggregate, 20-45 parts of flyash, middle sand 12-16 parts, clay powder 5-
10 parts and 10-15 part of binding agent are mixed, and the aggregate is that the aggregate is one of oyster shell, scallop shell, conch shell or its is any
The shell particles of combination, particle diameter is less than 2.36mm；First add appropriate water in mixer, then each raw mixture is added into stirring
In machine, add water, amount of water is no more than the 3% of gross mass twice, and uniform stirring is no less than 3 minutes, takes composite to pave
It is compacted, is condensed after 24-48 hours to composite with road roller on pervious bed, watering maintenance 7-10 days, or by the composite
Permeable prefabricated component is made of mould to be laid on pervious bed.
2. the preparation method of the composite of laying porous pavement as claimed in claim 1, it is characterised in that preparation it is compound
The raw material of material includes aggregate, flyash, middle sand, clay powder and binding agent, and the composition by weight of its each raw material is aggregate 35-60
10-15 parts of part, 20-45 parts of flyash, middle sand 12-16 parts, 5-10 parts of clay powder and binding agent；The aggregate is oyster shell, fan
The shell particles of one of shell, conch shell or its any combination, particle diameter is less than 2.36mm；The flyash is that water content is
0.18%, loss on ignition is 1.72%, and sulfur trioxide content is 0.11%, and fineness is 0.045mm dryness flyash；The bonding
Agent is epoxy resin or acrylic resin；The moisture content of composite is less than 3%, and road surface is directly layed in after can stirring
Basic unit is formed, or is made for road surfacing or rainwater-collecting, the permeable prefabricated component of water filtration, is made with anti-saline alkali corrosion
With its coefficient of permeability reaches 2.0 × 10-2Cm/s, compression strength is 22.5-32.5Mpa.
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| CN201611013680.6A CN107032660B (en) | 2016-11-16 | 2016-11-16 | Preparation method of composite material for paving permeable pavement |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108396612A (en) * | 2018-03-14 | 2018-08-14 | 招商局重庆交通科研设计院有限公司 | Water-permeable and air permeable structure sheaf construction technology |
| CN109704736A (en) * | 2019-01-18 | 2019-05-03 | 广东海洋大学 | A kind of ecological brick for purifying water and preparation method thereof and water purifying device |
| CN113860805A (en) * | 2021-10-11 | 2021-12-31 | 柳州北皓建材有限公司 | Green pervious concrete and preparation method thereof |
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| CN109704736A (en) * | 2019-01-18 | 2019-05-03 | 广东海洋大学 | A kind of ecological brick for purifying water and preparation method thereof and water purifying device |
| CN113860805A (en) * | 2021-10-11 | 2021-12-31 | 柳州北皓建材有限公司 | Green pervious concrete and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN107032660B (en) | 2020-04-17 |
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