CN105174995B - A kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete and preparation method thereof - Google Patents
A kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete and preparation method thereof Download PDFInfo
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- CN105174995B CN105174995B CN201510585916.2A CN201510585916A CN105174995B CN 105174995 B CN105174995 B CN 105174995B CN 201510585916 A CN201510585916 A CN 201510585916A CN 105174995 B CN105174995 B CN 105174995B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses a kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete and preparation method thereof, belong to building material technical field.The present invention takes 900 1000 parts of basaltic broken stone, 260 390 parts of cement, 31 41 parts of silicon ash, 8.5 18.5 parts of slag micropowder, 7 11 parts of flyash and 100 130 parts of water, is put into agravic blender and stirs 3~5 minutes；Then, the pore former of 0.9 1.1 parts of input, 2.8 3.2 parts of water reducer are in gained mixed material, and stirring blanking in 1~2 minute is stand-by；Under normal temperature, normal pressure, it is discharged to after resulting material is stood into 2~3 minutes in static pressure machine, it is compressing to obtain the anti-blocking water-permeable brick of concrete.The present invention efficiently solves that road surface water-permeable brick water permeability is good, the low problem of compression strength by the design of the component of optimization and rational component proportion, and simple production process, easy to utilize.
Description
Technical field
It is anti-blocking more specifically to a kind of static pressure high-strength wearable concrete the present invention relates to building material technical field
Water-permeable brick and preparation method thereof.
Background technology
With expanding economy and the quickening of Process of Urbanization Construction process, the earth's surface of modern city is progressively by armored concrete
Building construction and fluid-tight road surface are covered.But these fluid-tight roads bring many negative to the ecological environment in city
Influence.Compared with natural soil, concrete road surface lacks respiratory, absorbs heat and permeates the ability of rainwater.Produce therewith
Raw a series of environmental problems：The rainwater that earth's surface can be penetrated into is significantly reduced, and the level of ground water in city drastically declines；Fluid-tight road
Face is difficult to carry out exchanging for heat and humidity with air, is produced " heat island phenomenon "；The concentration rainfall of short time, a large amount of rainwater can not
Earth's surface is penetrated into time, is easily caused road and is submerged the social concerns such as traffic paralysis.Current China has started to pay attention to urban rainwater
Water drainage and surface water money saving function, and 16 cities have been examined for " sponge city ", i.e. rain in whole nation recommendation at the beginning of 2015
Water drains flooded fields and saves experimental city with surface water.But urban rainwater water drainage at this stage and the present situation of surface water money saving function are still not very managed
Think.
The appearance of new generation of green environment protection pavement material water-permeable brick can mitigate above-mentioned phenomenon to a certain extent.Existing market
On water-permeable brick primary raw material using ceramics or concrete, ceramic water-permeable brick will use substantial amounts of ore deposit soil resource, the exploitation of raw material
The destruction to environment, ceramic mould water-permeable brick complex manufacturing, and ceramic base brick is caused to need to expend big in forming and sintering
The energy of amount, cost is high, and low production efficiency, Environmental Inputs are big；Although concrete permeable brick cost is low, existing concrete is saturating
Water brick surface particles are thick, and the macrovoid of abutment surface is permeable, and voidage is easily blocked more than 20% by dust, therefore can not
Persistently keep high water-permeability energy；And because space is larger, it is used for water filtration effect and anti-pressure ability is also poor.
For existing road surface water-permeable brick exist complex manufacturing, compression strength is low, water permeability is not good, it is easy block etc.
Problem, existing related art scheme is disclosed.Such as Chinese Patent Application No. 201410175629.X, the applying date is August 13 in 2014
Day, invention and created name is：A kind of stone texture-like permeable concrete preformed bricks and preparation method thereof；This application case is from bottom to top
It is made up of two parts of permeable body layer and stone texture-like permeable surface layer；Wherein, used in permeable body layer raw material and every
The mixing ratio by weight of cubic meter of concrete is：(a) aggregate is rubble, and addition is 1400kg/m3~1550kg/m3；(b) cement：
310kg/m3~350kg/m3；(c) water reducer：3.0kg/m3~3.5kg/m3；(d) flyash：25kg/m3~35kg/m3.The Shen
Please the preformed bricks of case there is preferable pervious function, while there is the decorative effect of similar lithotome on surface, but this application case exists
Still have much room for improvement in terms of the compression strength of water-permeable brick.
Chinese Patent Application No. 201510100878.7, the applying date is on May 20th, 2015, and invention and created name is：One
Plant strong concrete permeable pavement brick；This application case includes superficial layer and brick basic unit；The superficial layer part by weight is：Quartz
Sand 20%-40%, great Sha 60%-80%, cement account for the 40%-50% of two kinds of material gross weights of the above, and sulfamate accounts for water
The 3%-6% of mud weight；Op emulsifying agents or alkyl tea sulfonate account for 2 ‰ of cement weight or so；The brick basic unit is by small crushed stone
70%-80%, big crushed stone aggregate 20%-30%, that cement accounts for the 30%-45% of both the above material gross weight, water reducer is wooden
Plain sulfoacid calcium account for the 0.1%-0.3% of cement weight, flyash account for cement weight than 5%-10%, draw the fatty alkyd of vapour agent and receive
Or alkyl phenol ethylene oxide accounts for 1 ‰ -2 ‰ weight ratio of cement weight and is made.The permeable permeable effect of road brick of this application case is good,
Surface aesthetic, anti-pressure ability is strong.But road surface water-permeable brick complex manufacturing, the preparation cost of this application case are high, still need to further
Improve.
The content of the invention
1. the invention technical problem to be solved
It is an object of the invention to overcome that existing road surface water-permeable brick complex manufacturing, compression strength be low, water permeability not
The problems such as good, easy blocking, there is provided a kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete and preparation method thereof；The present invention passes through
The component design of optimization and rational component proportion, efficiently solve that road surface water-permeable brick water permeability is good, compression strength is low
Problem, and simple production process, it is easy to utilize.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the present invention is provided is：
A kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete of the present invention, its every cubic metre component proportion is：
Further, the particle diameter of described basaltic broken stone is 7~10mm.
Further, described cement model 42.5# low alkali cements.
Further, described pore former is that phenolic resin is combined polyethylene glycol pore former.
Further, described silicon ash uses 800 mesh silicon ashes.
Further, described water reducer is JY-PCA type poly carboxylic acid series water reducers.
Further, the component proportion of anti-blocking every cubic metre of water-permeable brick is：
A kind of preparation method of anti-blocking water-permeable brick of static pressure high-strength wearable concrete of the present invention, its step is：
Step 1: according to the mass fraction, take 900-1000 parts basaltic broken stone, 260-390 parts of cement, 31-41 parts
Silicon ash, 8.5-18.5 parts of slag micropowder, 7-11 parts of flyash and 100-130 parts of water, be put into agravic blender and stir
Mix 3~5 minutes；
Step 2: the pore former of 0.9-1.1 parts of input, 2.8-3.2 parts of water reducer are in step one gained mixed material,
Stir blanking in 1~2 minute stand-by；
Step 3: under normal temperature, normal pressure, being discharged to after step 2 resulting material is stood into 2~3 minutes in static pressure machine, swashing
Shake compressing the anti-blocking water-permeable brick of concrete under the conditions of 75KW.
3. beneficial effect
The technical scheme provided using the present invention, compared with existing known technology, with following remarkable result：
(1) a kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete of the invention, uses particle diameter for 7~10mm Black Warrior hilllock
Rubble is aggregate, is equipped with the materials such as silicon ash, low alkali cement, pore former, polycarboxylate water-reducer, slag micropowder and is made, and passes through optimization
Component design and rational component proportion, its compression strength is up to 35-50MPa, and coefficient of permeability can reach 1.55-1.78mm/
S, and have the advantages that not block, it is wear-resisting, weather-proof, efficiently solve that road surface water-permeable brick water permeability is good, compression strength is low
Problem；
(2) a kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete of the invention, takes full advantage of in terms of material selection
The industrial residues such as flyash, slag micropowder, discarded aggregate chips, comprehensive utilization of resources index is high and cheap；
(3) preparation method of a kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete of the invention, coordinates from raw material
Physical and chemical performance, has formulated rational material release sequence, and has used suitable pressing conditions, will not be because of too closely tamping
Influence pervious function, also will not be permeable and make brick laying structure loose because ensureing, it is ensured that the anti-blocking water-permeable brick of concrete it is permeable
Property, wearability and mechanics index of physics.
Embodiment
To further appreciate that present disclosure, with reference to embodiment, the invention will be further described.
Embodiment 1
A kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete of the present embodiment, every cubic metre of each raw material proportion is：
990kg basaltic broken stone, 360kg low alkali cements, 34kg silicon ashes, 15kg slag micropowders, 10.5kg one-levels flyash, 0.95kg
Pore former, 2.8kg high efficiency water reducing agents and 120kg clean tap waters.
The Black Warrior that the particle diameter that water-permeable brick aggregate uses the production of Longma building stones factory of Ma'an Mountain in the present embodiment is 7~10mm
Rock rubble, the aggregate intensity is high, particle diameter is even, free from admixture.The model 42.5# that low alkali cement is produced from Tangshan special cement factory is low
Alkali portland cement.The JY-PCA type polycarboxylic acids high efficiency diminishings that water reducer is then produced from Shanghai Li Dian new materials Co., Ltd
Agent, silicon ash is the 800 mesh silicon ashes that Suzhou Zun Yue new materials Co., Ltd produces, and pore former is Shanghai Li Dian new materials Co., Ltd
The phenolic resin of production is combined polyethylene glycol pore former, and slag micropowder selects 400 grades of slag micropowders of the magnificent company's productions of Ma Gangjia,
Flyash is when the industry byproduct for applying the production of Datang power plant.
The present embodiment takes full advantage of the industrial residues, money such as flyash, slag micropowder, discarded aggregate chips in terms of material selection
Source comprehensive utilization index is high and cheap.What deserves to be explained is, the basalt of 3~5mm particle diameters can only be used in traditional handicraft
Rubble, because the particle diameter of basaltic broken stone is bigger, although permeability rate can be better, but brick strength can decline, and this is also water-permeable brick
One of technical bottleneck of high compressive strength and high water-permeability energy can not be balanced always.The present embodiment by the design of the component of optimization and
Rational component proportion, particle diameter is not only used and is 7~10mm basaltic broken stone to increase the permeability rate of water-permeable brick, while
It ensure that water-permeable brick has high compressive strength.The specific design to the present embodiment is introduced below：
The present invention using high grade low alkali cement (low alkali cement i.e. marked as 42.5#), in low alkali cement silicone content compared with
It is few so that low alkali cement can play a part of bonding the contact point between aggregate well, and then adjust brick strength, increase
Permeability rate.Water reducer uses JY-PCA type polycarboxylic acid series high efficiency water reducing agents, can strengthen the underlying strength of water-permeable brick, reduces permeable
The surface tension of brick, keeps the durability of water-permeable brick.And silicon ash excites low alkali cement intensity, using 800 mesh silicon ashes then not
It only can effectively strengthen the compression strength of water-permeable brick, loss of the freeze thawing to water-permeable brick intensity can also be reduced.
What is more important, water-permeable brick will reach good water permeability, and the voidage inside its brick body is very crucial
Index.In order to improve the one-tenth porosity of water-permeable brick, inventor attempts to use hydrogen peroxide, foaming agent and egg white etc. as pore-forming
Agent, but all do not reach preferable pore-forming effect.Wherein, the pore-forming effect of foaming agent is best, but brick strength in an experiment
But requirement is not reached all the time.In order to overcome this problem, inventor considers that pore former is main in low alkali cement in the present invention
Play a part of to extend pore formation mechanism between silicon ash, attempt the phenolic resin for having used Shanghai Li Dian new materials Co., Ltd to produce
Compound polyethylene glycol pore former, it is a kind of chemical pore former, gel rubber material (i.e. low alkali that phenolic resin, which is combined polyethylene glycol pore former,
Cement) bubble that is produced during initial set can form ideal vestibule by the effect of the pore former.In addition, this reality
Apply example and the ratio that adds between pore former, low alkali cement and silicon ash is determined by repetition test, i.e., often stood described in the present embodiment
Square rice low alkali cement 360kg, silicon ash 34kg, pore former 0.95kg.Under the conditions of this adds ratio, pore-forming effect has been taken into account (i.e.
Permeability rate) and the aspect effect of brick strength two, and have the advantages that not block, it is wear-resisting, weather-proof.
Exemplified by preparing the anti-blocking water-permeable brick of 1 cube volume, the present embodiment prepares the anti-blocking water-permeable brick of high-strength wearable concrete
Process it is as follows：
Take 800 mesh silicon ashes of 990kg basaltic broken stone, 360kg low alkali cement, 34kg, 15kg parts of slag micropowder,
10.5kg flyash and 120kg water, are put into agravic blender, after being stirred through 3 minutes, put into 0.95kg pore-forming
Agent, 2.8kg water reducer are stirred in gained mixed material, then through 2 minutes, and after observation is full and uniform, blanking is sent by conveyer belt
Enter stand-by in container.Under normal temperature, normal pressure, in a reservoir stand 2 minutes after can blowing enter the 800 special static pressure machines of type water-permeable brick
Compressing under the conditions of exciting 75KW, special place mark, which is supported, can obtain the anti-blocking water-permeable brick of concrete.
The water-permeable brick preparation process of the present embodiment, coordinates the physical and chemical performance from raw material, has formulated rational material and has delivered
Sequentially so that can fully be mixed between each material, will not be because of too closely tamping while having used suitable pressing conditions
Influence pervious function, also will not be permeable and make brick laying structure loose because ensureing, it is ensured that the anti-blocking water-permeable brick of concrete it is permeable
Property, wearability and mechanics index of physics.
Water-permeable brick compression strength made from the present embodiment is up to 50mpa, and coefficient of permeability can reach 1.78mm/s, relative to biography
System water-permeable brick compression strength can only achieve 20~25MPa, and coefficient of permeability can only achieve 1.20mm/s, achieves and significantly improves.
Embodiment 2
A kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete of the present embodiment, basic be the same as Example 1, its difference exists
In：Every cubic metre of each raw material proportion is：1000kg basaltic broken stone, 390kg low alkali cements, 36kg silicon ashes, 13.5kg
Slag micropowder, 9kg one-levels flyash, 1.0kg pore formers, 2.8kg high efficiency water reducing agents and 115kg clean tap waters.
Exemplified by preparing the anti-blocking water-permeable brick of 1 cube volume, the present embodiment prepares the anti-blocking water-permeable brick of high-strength wearable concrete
Process it is as follows：
Take 800 mesh silicon ashes, 13.5kg parts of the slag of 1000kg basaltic broken stone, 390kg low alkali cement, 36kg micro-
The water of powder, 9kg flyash and 115kg, is put into agravic blender, after being stirred through 5 minutes, puts into 1.0kg pore-forming
Agent, 2.8kg water reducer are stirred in gained mixed material, then through 1.5 minutes, and after observation is full and uniform, blanking is by conveyer belt
Send into stand-by in container.Under normal temperature, normal pressure, in a reservoir stand 3 minutes after can blowing enter the 800 special static pressure of type water-permeable brick
Machine is compressing, and special place mark, which is supported, can obtain the anti-blocking water-permeable brick of concrete.
Water-permeable brick compression strength made from the present embodiment is up to 40MPa, and coefficient of permeability can reach 1.66mm/s.
Embodiment 3
A kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete of the present embodiment, basic be the same as Example 1, its difference exists
In：Every cubic metre of each raw material proportion is：900kg basaltic broken stone, 260kg low alkali cements, 31kg silicon ashes, 8.5kg ore deposits
Slag micro mist, 7kg one-levels flyash, 0.9kg pore formers, 2.8kg high efficiency water reducing agents and 100kg clean tap waters.
Exemplified by preparing the anti-blocking water-permeable brick of 1 cube volume, the present embodiment prepares the anti-blocking water-permeable brick of high-strength wearable concrete
Process it is as follows：
Take 800 mesh silicon ashes, 8.5kg parts of the slag of 900kg basaltic broken stone, 260kg low alkali cement, 31kg micro-
The water of powder, 7kg flyash and 100kg, is put into agravic blender, after being stirred through 4 minutes, puts into 0.9kg pore-forming
Agent, 2.8kg water reducer are stirred in gained mixed material, then through 1 minute, and after observation is full and uniform, blanking is sent by conveyer belt
Enter stand-by in container.Under normal temperature, normal pressure, in a reservoir stand 2.5 minutes after can blowing enter the 800 special static pressure of type water-permeable brick
Machine is compressing, and special place mark, which is supported, can obtain the anti-blocking water-permeable brick of concrete.
Water-permeable brick compression strength made from the present embodiment is up to 35MPa, and coefficient of permeability can reach 1.55mm/s.
Embodiment 4
A kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete of the present embodiment, basic be the same as Example 1, its difference exists
In：Every cubic metre of each raw material proportion is：950kg basaltic broken stone, 300kg low alkali cements, 41kg silicon ashes, 18.5kg ore deposits
Slag micro mist, 11kg one-levels flyash, 1.1kg pore formers, 3.2kg high efficiency water reducing agents and 130kg clean tap waters.
Exemplified by preparing the anti-blocking water-permeable brick of 1 cube volume, the present embodiment prepares the anti-blocking water-permeable brick of high-strength wearable concrete
Process it is as follows：
Take 800 mesh silicon ashes, 18.5kg parts of the slag of 950kg basaltic broken stone, 300kg low alkali cement, 41kg micro-
The water of powder, 11kg flyash and 130kg, is put into agravic blender, after being stirred through 3 minutes, puts into 1.1kg pore-forming
Agent, 3.2kg water reducer are stirred in gained mixed material, then through 2 minutes, and after observation is full and uniform, blanking is sent by conveyer belt
Enter stand-by in container.Under normal temperature, normal pressure, in a reservoir stand 3 minutes after can blowing enter the 800 special static pressure machines of type water-permeable brick
Compressing, special place mark, which is supported, can obtain the anti-blocking water-permeable brick of concrete.
Water-permeable brick compression strength made from the present embodiment is up to 46MPa, and coefficient of permeability can reach 1.72mm/s.
Claims (3)
1. a kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete, it is characterised in that：Its every cubic metre component proportion is：
Wherein, the particle diameter of described basaltic broken stone be 7~10mm, cement model 42.5# low alkali cements, pore former is phenolic aldehyde
Resin compounded polyethylene glycol pore former, silicon ash uses 800 mesh silicon ashes, and water reducer is JY-PCA type poly carboxylic acid series water reducers.
2. a kind of anti-blocking water-permeable brick of static pressure high-strength wearable concrete according to claim 1, it is characterised in that：It is anti-blocking permeable
The component proportion of every cubic metre of brick is：
3. a kind of preparation method of anti-blocking water-permeable brick of static pressure high-strength wearable concrete according to claim 1, its step is：
Step 1: according to the mass fraction, taking 900-1000 parts of basaltic broken stone, 260-390 parts of cement, 31-41 parts of silicon
Ash, 8.5-18.5 parts of slag micropowder, 7-11 parts of flyash and 100-130 parts of water, be put into agravic blender stirring 3~
5 minutes；
Step 2: the pore former of 0.9-1.1 parts of input, 2.8-3.2 parts of water reducer are in step one gained mixed material, stirring
Blanking in 1~2 minute is stand-by；
Step 3: under normal temperature, normal pressure, being discharged to after step 2 resulting material is stood into 2~3 minutes in static pressure machine, in exciting
It is compressing under the conditions of 75KW to obtain the anti-blocking water-permeable brick of concrete.
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