CN106316295A - Sand based permeable dry mix and mixture thereof - Google Patents
Sand based permeable dry mix and mixture thereof Download PDFInfo
- Publication number
- CN106316295A CN106316295A CN201610718740.8A CN201610718740A CN106316295A CN 106316295 A CN106316295 A CN 106316295A CN 201610718740 A CN201610718740 A CN 201610718740A CN 106316295 A CN106316295 A CN 106316295A
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- Prior art keywords
- permeable
- mix
- sand base
- dry mixed
- mixture
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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
-
- 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
- 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 provides sand based permeable dry mix and a mixture thereof. The dry mix comprises the following raw materials: cement, slag powder, reinforcer, and aggregate, and water reducer, moisture holding thickener, modifier and colorant. The sand based permeable dry mix enriches the varieties of dry mixes, fills up the blank of permeable dry-mix materials and solves the problem of difficulty to pre-mixing production and prohibition of site stirring in the existing sand based permeable dry mix and is high in application flexibility, and thereby effectively relieving the difficulties confronted in production and quality control.
Description
Technical field
The present invention relates to concrete field, particularly relate to that a kind of sand base is permeable that mix and mixture thereof are dry mixed.
Background technology
The General Office of the State Council prints and distributes " instruction about advancing sponge urban construction " in October, 2015, disposes and advances sea
Continuous urban construction work, plans as a whole to play natural, ecological function and manual intervention function, effectively controls rainfall runoff, it is achieved natural product
Deposit, naturally osmotic, the urban development mode of self-purification.The permeable mix that is dry mixed of sand base can be as the excellent material of permeable pavement
Material, as surface layer or other positions of double-colored combination layer pervious concrete, can give full play to its function in terms of moisture penetration.
Sand base is permeable to be dry mixed the preparation of mix and uses similar with dry-mixed mortar, and from certain angle, it can be described as one
Special dry-mixed mortar.Since two thousand seven, the department such as Department of Commerce, the Ministry of Construction puts into effect relevant policies continuously, carries out and forbids scene
The work of stirring mortar, widelys popularize premixing mortar.Dry-mixed mortar, as the important kind of premixing mortar, is that country encourages development
Energy-saving and environmental protection New Building Materials, forbid Site mortar simply a kind of means, basic reason is that country is to saving money
The strong request of the aspects such as source, protection environment, raising comprehensive utilization of resources efficiency, so, the permeable think of that mix is dry mixed of sand base
Want that with national thinking of development in terms of promoting New Building Materials be the most identical.
At present, the permeable mixture of surface layer seldom uses premixing mode to produce, and based on Site, this is bright with country
Order forbids that the thinking of Site mortar is disagreed, on the one hand in the majority, as permeable road with colour due to the permeable mixture of surface layer
The surface decoration layer in face, consumption is less and the cleaning problem such as trouble causes it to it is difficult with concentration this mode of plant mixing method stirring；
On the other hand, the construction delay allowance time of permeable mixture is shorter, typically not greater than two hours, its technical performance easily by time
Between affect, construction organization being required higher, so using Site mode to reduce haulage time, striving for relatively for construction link more
Many times, reduce quality risk.Two aspects of summary, use the mode that mix is dry mixed to carry out the permeable mix of sand base
Comparision of production is suitable, can effectively alleviate it in the difficult problem produced and faced in terms of quality control.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide that a kind of sand base is permeable that mix is dry mixed
And mixture, it is used for solving the permeable mixture of surface layer in prior art less employing premixing mode and produces, stir at use scene
The problems such as environment is caused bigger pollution, construction delay allowance time shorter by the mode mixed.
For achieving the above object and other relevant purposes, the present invention provides that first aspect one sand base is permeable is dry mixed mix
Material, including the raw material of following weight portion: cement 300-360 part, slag powders 30-60 part, strengthen material 18-25 part, gather materials 1483-
1648 parts, water reducer 0.5-1.2 part, water-retaining admixture 0.15-0.5 part, regulator 0.1-0.5 part, coloring agent 0-20 part.
Further, described cement is portland cement, the Portland cement that strength grade is all not less than 42.5 grades
In one or more combination.Be not less than the portland cement of 42.5 grades be specifically as follows portland cement 42.5,42.5R,
52.5,52.5R, 62.5,62.5R, the Portland cement being not less than 42.5 grades is specifically as follows Portland cement
42.5、42.5R、52.5、52.5R。
Further, described slag powders grade is S95 level, and " GB/T 18046-2008 is used for cement and coagulation to conformance with standard
Ground granulated blast furnace slag in soil ", slag powders is with granulated blast-furnace slag as primary raw material and fills a small amount of Gypsum Fibrosum and make necessarily
The powder body of fineness, is originally being dry mixed in mix as a kind of mineral admixture, can improve mixture service behaviour, and improve mix
Later stage flexural tensile strength after thing hardening.
Further, the described material that strengthens is pervious concrete reinforcing agent, and this pervious concrete reinforcing agent contains SiO2With spy
The polymer of different function monomer synthesis, acts primarily as raising slurry degree of compaction, improves mixture intensity and the effect of durability.This is saturating
Water coagulation soil reinforcing agent can be that the SR type ecological permeable concrete that Nanjing most enjoyable stage ecoscape engineering company limited produces strengthens
Agent, SBT-PRC (I) the type pervious concrete reinforcing agent etc. of Jiangsu Subotexin Material Co., Ltd.
Further, the particle diameter gathered materials described in is any one in following particle diameter: 2.5-5mm, 1.25-2.5mm, 0.63-
1.25mm.For the permeable mix that is dry mixed, the distribution of aggregate size is the narrowest, and porosity is the biggest, and water permeability is the best, this
The bright difference according to needs of production, can use the one in above-mentioned three kinds of particle size range to gather materials, and prepares corresponding mix
Thing.The described compressive strength of rock gathered materials is not less than 60MPa.Compressive strength of rock is the comprcssive strength of parent rock, and i.e. rock is in nothing
The maximum pressure that can bear under lateral bundle state, the standard of reference is " GB/T 14685-2011 construction cobble, rubble ".Collection
Material can be certain particle diameter aggregate that the solid rocks such as basalt, limestone, cobble obtain through broken, screening, shaping.
Further, described water reducer is polycarboxylate water-reducer powder.Polycarboxylate water-reducer powder is siccative, it is simple to make
Mix is dry mixed, if the water reducer of liquid, will be unsuitable for the present invention is dry mixed mix.
Further, the concrete water-reducing ratio of described polycarboxylate water-reducer powder is more than 30%, and other performance indications accord with
Close the technology requirement of high-performance water reducing agent in " GB 8076-2008 concrete admixture ".This component is commercially available.
Further, described water-retaining admixture is hydroxypropyl methyl cellulose ether.
Preferably, the viscosity of hydroxypropyl methyl cellulose ether is 50000mPa s-100000mPa s, and other performances refer to
Reference symbol closes the technology requirement of hydroxypropyl methyl cellulose ether in " JC/T 2190-2013 builds dry-mixed mortar cellulose ether ".
Further, described regulator is the one or more combination in sugar calcium, starch, glucose powder, and regulator plays
Regulate the effect of mixture setting time.
Preferably, by weight, described regulator consist of sugar calcium: starch=2:1.
Further, described coloring agent is inorganic weather-proof pigment.Inorganic weather-proof pigment can be iron oxide pigment, and it is durable
Property strong, coloring effect is good, and iron oxide pigment includes but not limited to iron oxide green, iron oxide red, iron oxide yellow etc..
Second aspect present invention provides and is dry mixed, by above-mentioned sand base is permeable, the permeable mixture of sand base that mix prepares.
Preferably, the described permeable mixture of sand base is dry mixed mix and water forms by described sand base is permeable.
It is highly preferred that the weight of the described water permeable 5.0%-6.0% that mix weight is dry mixed that is sand base.
Third aspect present invention provides permeable mix or the permeable mixture of sand base of being dry mixed of above-mentioned sand base in permeable pavement
Purposes.The sand base that the present invention provides permeable is dry mixed mix and mixture thereof, for a kind of concrete dynamic modulus seepy material, can be used for having
The permeable most occasions requiring engineering position, such as the table of community or road footpath, square, parking lot, light-duty load road etc.
Surface layer is it can also be used to water-permeable brick produces, as the colorful surface layer of water-permeable brick.
As it has been described above, a kind of sand base of the present invention is permeable, and mix and mixture thereof are dry mixed, have the advantages that ore deposit
Ground-slag is with granulated blast-furnace slag as primary raw material and fills a small amount of Gypsum Fibrosum and make the powder body of certain fineness, and mix is originally being dry mixed
Middle as a kind of mineral admixture, mixture service behaviour can be improved, and improve the later stage flexural tensile strength after mixture hardening.Increase
Strong material is a kind of polymer containing SiO2 with the synthesis of specific function monomer, acts primarily as raising slurry degree of compaction, improves mixture strong
Degree and the effect of durability.Under normal circumstances, mix dehydration in use is very fast, and service behaviour loss is relatively rapider, admixture
Water-retaining admixture, it is therefore intended that adjust denseness and the apparent condition of mixture slurry, improve its dehydration situation faster, it is ensured that work
Making performance, regulator acts primarily as the effect regulating slurry setting time.
Sand base of the present invention is permeable to be dry mixed mix and enriches mix kind is dry mixed, and has filled up permeable and material blank is dry mixed,
Preferably solve the existing permeable mix of sand base and be difficult to the problem that premixing metaplasia is produced and forbidden Site, have higher
Use motility, can effectively alleviate its producing and the difficult problem that faced in terms of quality control, sand base is permeable is dry mixed mix
Concentrate plant mixing method to produce prepared product in advance for using, compared to road-mix method, be more prone to control product quality, during use,
The water adding respective amount can be prepared by corresponding mixture and constructs, easy to use.Compared to road-mix method, the present invention is producing
Main advantage in terms of product quality is: 1, the stability of quality of materials is higher；2, the multiformity of material component is more rich；3, meter
The accuracy of amount is higher；4, the permeable mixture quality finally given is more homogeneous, and service behaviour is more preferable.
The permeable storing mode that mix is dry mixed of sand base of the present invention is sealed storage, under conditions of not opening, shelf-life
Being 3 months, the construction delay allowance time of the permeable mixture of sand base of the present invention is 3 hours, is longer than that " CJJ/T 135-2009 is permeable
Cement concrete pavement technical regulation " in pervious concrete mix be 2 little from going out machine to pouring complete permission maximum duration
Time requirement, easily facilitate construction, the performance indications after the permeable mixture of sand base of the present invention hardening are: coefficient of permeability 0.5～
2.5mm/s, continuous porosity 13%～22%, comprcssive strength is 25～39MPa, and flexural tensile strength is 3.5～5.0MPa, the fullest
The corresponding technology requirement of foot.
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention being described, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also be by the most different concrete realities
The mode of executing is carried out or applies, the every details in this specification can also based on different viewpoints and application, without departing from
Various modification or change is carried out under the spirit of the present invention.
In following example, " GB/T 18046-2008 is in cement and concrete for S95 grade slag powder conformance with standard
Ground granulated blast furnace slag "；Strengthening material is that outsourcing product, specially Nanjing most enjoyable stage ecoscape engineering company limited produce
SR type ecological permeable concrete reinforcing agent, wherein SiO2Content is 72wt%；The compressive strength of rock gathered materials is not less than 60MPa, below
The certain particle diameter aggregate obtained through broken, screening shaping for cobble that gathers materials of embodiment selection；Described polycarboxylate water-reducer powder
The concrete water-reducing ratio of agent is 33%, and other performance indications meet high-performance diminishing in " GB 8076-2008 concrete admixture "
The technology requirement of agent；The viscosity of hydroxypropyl methyl cellulose ether is 100000mPa s, and other performance indications meet " JC/T
2190-2013 builds dry-mixed mortar cellulose ether " in the technology requirement of hydroxypropyl methyl cellulose ether；By weight, regulation
Agent consist of sugar calcium: starch=2:1.
Embodiment 1
A kind of sand base is permeable mix is dry mixed, including the raw material of following weight portion: P.O42.5 cement 300 parts, S95 level ore deposit
Ground-slag 60 parts, SR type ecological permeable concrete reinforcing agent 18 parts, particle diameter are 1648 parts, the polycarboxylate water-reducer powder of gathering materials of 2.5-5mm
0.62 part, hydroxypropyl methyl cellulose ether 0.38 part, regulator 0.38 part.
Above-mentioned each raw material all keeps being dried after drying and processing, cooling, above-mentioned each raw material is pressed formula ratio mixing, prepares
The permeable mix that is dry mixed of sand base, sealed storage.
During use, to the permeable addition water that is dry mixed in mix of above-mentioned sand base, the prepared permeable mixture of sand base, the present embodiment
In, the weight adding water is 5.4% that mix weight is dry mixed.
Embodiment 2
A kind of sand base is permeable mix is dry mixed, including the raw material of following weight portion: P.O42.5 cement 360 parts, S95 level ore deposit
Ground-slag 30 parts, SR type ecological permeable concrete reinforcing agent 25 parts, particle diameter are 1495 parts, the polycarboxylate water-reducer powder of gathering materials of 1.25-2.5mm
Agent 0.81 part, hydroxypropyl methyl cellulose ether 0.41 part, regulator 0.41 part, iron oxide green 15 parts.
Above-mentioned each raw material all keeps being dried after drying and processing, cooling, above-mentioned each raw material is pressed formula ratio mixing, prepares
The permeable mix that is dry mixed of sand base, sealed storage.
During use, to the permeable addition water that is dry mixed in mix of above-mentioned sand base, the prepared permeable mixture of sand base, the present embodiment
In, the weight adding water is 5.6% that mix weight is dry mixed.
Embodiment 3
A kind of sand base is permeable mix is dry mixed, including the raw material of following weight portion: P.O42.5 cement 320 parts, S95 level ore deposit
Ground-slag 40 parts, SR type ecological permeable concrete reinforcing agent 23 parts, particle diameter are 1483 parts, the polycarboxylate water-reducer of gathering materials of 0.63-1.25mm
0.77 part of powder, hydroxypropyl methyl cellulose ether 0.38 part, regulator 0.38 part.
Above-mentioned each raw material all keeps being dried after drying and processing, cooling, above-mentioned each raw material is pressed formula ratio mixing, prepares
The permeable mix that is dry mixed of sand base, sealed storage.
During use, to the permeable addition water that is dry mixed in mix of above-mentioned sand base, the prepared permeable mixture of sand base, the present embodiment
In, the weight adding water is 6.0% that mix weight is dry mixed.
Three kinds of permeable mixtures of the sand base molding respectively prepared by above-described embodiment 1-3, is 20 DEG C ± 2 DEG C, phase in temperature
To humidity not less than 95% standard curing under the conditions of maintenance 28d, and with standard method carry out coefficient of permeability, continuous porosity,
Comprcssive strength, rupture strength are tested, and result of the test is shown in Table 1.
Table 1
The aggregate size of embodiment 1 is at the evaluation model of " CJJ/T 135-2009 water-permeable cement concrete pavement technique code "
In enclosing, as can be seen from Table 1, the coefficient of permeability of product that embodiment 1 prepares, continuous porosity, comprcssive strength and curved draw strong
Degree all meets the relevant art requirement of C30 strength grade in this code.The aggregate size of embodiment 2 and embodiment 3 is less than " CJJ/
T135-2009 water-permeable cement concrete pavement technique code " in requirement, stricti jurise cannot be used for evaluate aggregate size ＜
The situation of 2.5mm, from the point of view of experimental result, coefficient of permeability, continuous porosity, comprcssive strength and the finger of this four aspect of flexural tensile strength
Mark is satisfied by corresponding technology requirement.The permeable mixture of sand base of embodiment 1 and embodiment 2 is mainly used in footpath, square, stops
The surface layer of the road such as parking lot, light-duty load is mated formation, and the permeable mixture of sand base of embodiment 3 is mainly for the production of water-permeable brick or use
In other permeable engineerings in small-bore etc..
In sum, the permeable mix that is dry mixed of sand base of the present invention, for prepare in advance, is not required to each raw material of on-the-spot allotment, uses
Convenient, there is higher use motility, can effectively alleviate it in the difficult problem produced and faced in terms of quality control, permeable system
The indexs such as porosity several, continuous, comprcssive strength, rupture strength all reach construction requirement.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any ripe
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage knowing this technology.Cause
This, have usually intellectual such as complete with institute under technological thought without departing from disclosed spirit in art
All equivalences become are modified or change, and must be contained by the claim of the present invention.
Claims (10)
1. a sand base is permeable is dry mixed mix, it is characterised in that include the raw material of following weight portion: cement 300-360 part, ore deposit
Ground-slag 30-60 part, enhancing material 18-25 part, 1483-1648 part of gathering materials, water reducer 0.5-1.2 part, water-retaining admixture 0.15-0.5
Part, regulator 0.1-0.5 part, coloring agent 0-20 part.
Sand base the most according to claim 1 is permeable is dry mixed mix, it is characterised in that: described cement be strength grade the most not
One or more combination in portland cement less than 42.5 grades, Portland cement；Described slag powders grade is S95
Level；Described coloring agent is inorganic weather-proof pigment.
Sand base the most according to claim 1 is permeable is dry mixed mix, it is characterised in that: the described material that strengthens is pervious concrete
Reinforcing agent.
Sand base the most according to claim 1 is permeable is dry mixed mix, it is characterised in that the particle diameter gathered materials described in: is following grain
Any one in footpath: 2.5-5mm, 1.25-2.5mm, 0.63-1.25mm, described in the compressive strength of rock that gathers materials be not less than
60MPa。
Sand base the most according to claim 1 is permeable is dry mixed mix, it is characterised in that: described water reducer is polycarboxylic acids diminishing
Agent powder, the concrete water-reducing ratio of described polycarboxylate water-reducer powder is more than 30%.
Sand base the most according to claim 1 is permeable is dry mixed mix, it is characterised in that: described water-retaining admixture is hydroxypropyl
Methyl cellulose ether, the viscosity of described hydroxypropyl methyl cellulose ether is 50000mPa s-100000mPa s.
Sand base the most according to claim 1 is permeable is dry mixed mix, it is characterised in that: described regulator be sugar calcium, starch,
One or more combination in glucose powder.
8. one kind is dry mixed, by the sand base described in any one of claim 1-7 is permeable, the permeable mixture of sand base that mix prepares.
The permeable mixture of sand base the most according to claim 8, it is characterised in that the described permeable mixture of sand base is by described sand
Base is permeable is dry mixed mix and water composition.
10. the permeable sand being dry mixed as described in mix or any one of claim 8-9 of sand base as described in any one of claim 1-7
Base permeable mixture purposes in permeable pavement.
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| CN201610718740.8A CN106316295A (en) | 2016-08-24 | 2016-08-24 | Sand based permeable dry mix and mixture thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610718740.8A CN106316295A (en) | 2016-08-24 | 2016-08-24 | Sand based permeable dry mix and mixture thereof |
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| CN201610718740.8A Pending CN106316295A (en) | 2016-08-24 | 2016-08-24 | Sand based permeable dry mix and mixture thereof |
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| CN108328966A (en) * | 2018-01-24 | 2018-07-27 | 河南工程学院 | A kind of sponge city permeable mortar and preparation method thereof |
| CN108560806A (en) * | 2018-05-22 | 2018-09-21 | 深圳市绿志新型建材研究院有限公司 | A kind of baking-free imitation of ancient blue bricks and preparation method thereof |
| CN110451871A (en) * | 2019-09-09 | 2019-11-15 | 宁波宸泰建材有限公司 | High service life colorful water-permeable concrete and its configuration method |
| CN111470808A (en) * | 2020-03-02 | 2020-07-31 | 武汉路城建设科技有限公司 | Composite material system surface layer permeable sand base and preparation method and application thereof |
| CN112897961A (en) * | 2021-04-21 | 2021-06-04 | 陕西建工集团混凝土有限公司 | Premixed colorful pervious concrete |
| CN113200725A (en) * | 2021-06-17 | 2021-08-03 | 武汉纺织大学 | Corrosion-resistant water-permeable concrete and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111470808A (en) * | 2020-03-02 | 2020-07-31 | 武汉路城建设科技有限公司 | Composite material system surface layer permeable sand base and preparation method and application thereof |
| CN112897961A (en) * | 2021-04-21 | 2021-06-04 | 陕西建工集团混凝土有限公司 | Premixed colorful pervious concrete |
| CN113200725A (en) * | 2021-06-17 | 2021-08-03 | 武汉纺织大学 | Corrosion-resistant water-permeable concrete and preparation method thereof |
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Application publication date: 20170111 |