CN1315752C - High-strength water-permeable concrete floor brick and its production method - Google Patents

High-strength water-permeable concrete floor brick and its production method Download PDF

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Publication number
CN1315752C
CN1315752C CNB2005102005265A CN200510200526A CN1315752C CN 1315752 C CN1315752 C CN 1315752C CN B2005102005265 A CNB2005102005265 A CN B2005102005265A CN 200510200526 A CN200510200526 A CN 200510200526A CN 1315752 C CN1315752 C CN 1315752C
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China
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cement
water
weight
concrete floor
layer
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CNB2005102005265A
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Chinese (zh)
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CN1762888A (en
Inventor
潘英豪
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潘英豪
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Abstract

The present invention relates to a high strength concrete floor tile with water permeability and a production method thereof. The method comprises: manufacturing a base layer by mixing 18 to 21 wt% of cement, 50 to 55 wt% of 3 to 5mm of little rubble, 18 to 21 wt% of 7 to 10mm of large rubble, and 0.1 to 6 wt% of concrete additive; according to the condition that the ratio of water to cement is from 0.2 to 0.23, uniformly stirring the mixture, and pouring the mixture in the mould for vibration moulding; manufacturing a surface layer by uniformly stirring 15 to 22 wt% of cement, 76 to 85 wt% of quartz sand, 0.1 to 6 wt% of concrete additive, and 0.2 to 0.6 wt% of redispersion emulsoid powder according to the condition that the ratio of water to cement is from 0.24 to 0.26, pouring the mixture onto the freshly formed base layer, vibrating to mould, demoulding, maintaining, and obtaining the finished product. The concrete floor tile has the advantages of high intensity, good water permeability, low energy consumption and no need of burning clay soil at a high temperature, and can be obtained by prefabrication and field fabrication, and be widely used for a pavement, a roadway, roof covering, a square and a garden building.

Description

High-strength water-permeable concrete floor brick and production method thereof
(1) technical field
The present invention relates to a kind of floor file material of construction, particularly a kind of floor tile and production method thereof.
(2) background technology
Floor tile will bear bigger pressure, therefore needs higher intensity.Existing floor tile degree of compactness is higher,, floor tile synthetic floor tile configured etc. as concrete floor brick, concrete, polymkeric substance, these floor tiles are by the same material once shaped, the material inside hole is less, and, be not communicated with between the hole, waterproof, cut off roadbed and extraneous exchanging, destroyed natural ecological environment.The floor tile of existing water-permeable adopts the stupalith sintering to make, though certain pervious function is arranged, has satisfied ecological demand, and power consumption is high, a large amount of energy of waste in firing, and the clay resource of consume valuable.If increase the porosity of existing concrete floor tile merely, the ultimate compression strength requirement of face brick contentedly again, when being used for driveway, crushing easily.
(3) summary of the invention
The purpose of this invention is to provide a kind of high-strength water-permeable concrete floor brick and production method thereof, solve floor tile and should have higher intensity, have the problem of water-permeable again; Solve the problem of the waste of face brick production dankly clay resource, a large amount of energy of waste simultaneously.
Technical scheme of the present invention: the moulding at twice of this high-strength water-permeable concrete floor brick is characterized in that: the material of basic unit and surface layer is prepared respectively, and wherein: basic unit's siccative weight proportion is as follows:
Cement 18-21%;
3-5mm small crushed stone 50-55%;
The big rubble 18-21% of 7-10mm;
Concrete admixture 0.1-6%;
Water cement ratio: 0.2-0.23;
Surface layer siccative weight proportion is as follows:
Cement 15-24%;
Quartz sand 76-85%;
Other has: the concrete admixture of cement weight 0.1-6%;
The redispersable latex powder of cement weight 0.2-0.6%;
Water cement ratio: 0.24-0.26.
In surface layer and/or substrate weight proportioning, also add toner.
In the substrate weight proportioning, also add the corrosion-resisting steel fiber that is no more than cement weight 1.5%.
In the substrate weight proportioning, also add the redispersable latex powder that is no more than cement weight 0.6%.
In the substrate weight proportioning, also add the redispersable latex powder that is no more than cement weight 0.6%.
Above-mentioned cement is by the slag or the coal ash instead that are no more than 30%.
The production method of this high-strength water-permeable concrete floor brick is characterized in that:
(1), make earlier basic unit by weight ratio:
Cement 18-21%;
3-5mm small crushed stone 50-55%;
The big rubble 18-21% of 7-10mm;
Concrete admixture 0.1-6%;
Water cement ratio: 0.2-0.23;
Make the step of basic unit:
A, big the rubble grating becomes aggregate with 3-5mm small crushed stone, 7-10mm;
B, aggregate and toner are mixed, 10% wetting in advance by the specified water yield then,
C, evenly be premixed into redispersable latex powder and concrete admixture in the cement;
D, with aggregate and cement mixing 20-40 second;
E, will remain the specified water yield again and fill up, stir, pour in the mould vibratory compaction into;
(2), make surface layer then: by weight ratio cement 15-22%, quartz sand 76-85%, concrete admixture 0.1-6%, redispersable latex powder 0.2-0.6%, water cement ratio: 0.24-0.26 are stirred, and be poured on basic unit's layer of fresh moulding in the above-mentioned steps (1), again through vibratory compaction;
(3), the demoulding;
(4), maintenance, go out finished product.
In above-mentioned basic unit proportioning, also be added with anticorrosion steel fiber.
Among the above-mentioned d, the mixing time of aggregate and cement is 30 seconds.
The present invention has following beneficial effect:
1, belong to low, can prefabrication, can field fabrication.
2, need not clay, need not sintering, energy-conservation, economize on resources.
3, in the concrete base layer formable layer, can add slag, flyash equal industrial residue, substitute the part cement consumption, help environment protection.
4, under the situation that guarantees porosity, water-permeable (about porosity 10%-15%, water-permeable 5-20mm/s), make permeable brick ultimate compression strength reach 45Mpa, folding strength reaches more than the 4.5Mpa.
5, the intensity height can be used for driveway.
6, the open pore rate reaches more than 10%, and freeze-thaw resistance is good.
7, can obviously reduce the hot-tempered sound of garage.
8, can increase the interdiction capability of surface runoff.
9, the underground rainwater of accumulating be can slowly wantonly put, microenvironment, microclimate improved.
Can add redispersable latex powder in the floor tile of the present invention, redispersable latex powder is a kind of dry powder of building emulsion, can dissolve fast in water, and be returned to complete performance under the former emulsion state, can improve the bonding force between cement, the sandstone.After adding the corrosion-resisting steel fiber, more increased the ultimate compression strength and the folding strength of floor tile.
The present invention had both satisfied the requirement of strength of floor tile, had satisfied permeable characteristic again, did not need to waste clay resource simultaneously, did not need high-temperature firing, had avoided energy mass consumption.Be widely used in walkway, driveway, square and garden architecture, also can be used for the making roofing, good cooling and effect of heat insulation are arranged.
(4) description of drawings
Fig. 1 is the structural representation of high-strength water-permeable concrete floor brick of the present invention.
(5) embodiment
Embodiment is referring to accompanying drawing: this high-strength water-permeable concrete pavior brick is made up of basic unit 2 and surface layer 1, comprises small crushed stone 3 and big rubble 4 in the basic unit 2, and grout is wrapped in the aggregate surface that large and small rubble is formed, and the hole 5 between the aggregate forms water-permeable passages.Its substrate weight proportioning is exemplified below:
The cement amount of selecting for use is given an example: 18%, 19%, 20%, 21%.
Wherein, being not more than 30% cement can be with slag or coal ash instead.
The 3-5mm small crushed stone amount of selecting for use is given an example: 50%, 51%, 52%, 53%, 54%, 55%;
The big rubble of the 7-10mm amount of selecting for use is given an example: 18%, 19%, 20%, 21%.
The weight ratio of big rubble of above-mentioned 7-10mm and 3-5mm small crushed stone is 1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10.Macrobead and short grained size ratio can be: big: little=2-7: 1
Toner is mixed colours on demand, selects for use to have good alkali-proof inorganic salt pigment, such as red iron oxide etc.
The concrete admixture amount of selecting for use is given an example with the cement total weight: 0.1%, 0.5%, 1%, 2%, 3%, 4%, 5%, 6%; Concrete admixture is water reducer, hardening accelerator or antifreezing agent.
The corrosion-resisting steel fiber amount of selecting for use is given an example with the cement total weight: 0%, 0.5%, 1%, 1.5%; The corrosion-resisting steel fiber is the long steel fiber of 2-3mm, and steel fiber adopts anti-corrosion steel to make, or stainless steel is made.
The redispersable latex powder amount of selecting for use is given an example with the cement total weight: 0%, 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%; Redispersable latex powder is a kind of dry powder of building emulsion, can select the commercial goods for use, as the product of German WACK, national of the United States's starch milk rubber powder, Dalian, Taiwan chemistry limited-liability company.
The water cement ratio amount of selecting for use is given an example: 0.2,0.21,0.22,0.23.
The surface layer weight proportion is as follows:
The cement amount of selecting for use is given an example: 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 24%.
Quartz sand can be 1# or 2# or 3# sand, and the amount of selecting for use is given an example: 76%, 77%, 78%, 79%, 80%, 81%, 82%, 83%, 84%, 85%.
The toner amount of selecting for use is mixed colours on demand.
The concrete admixture amount of selecting for use is given an example with the cement total weight: 0.1%, 0.5%, 1%, 2%, 3%, 4%, 5%, 6%.
The redispersable latex powder amount of selecting for use is given an example with the cement total weight: 0.2%, 0.3%, 0.4%, 0.5%, 0.6%.
The water cement ratio amount of selecting for use is given an example: 0.24,0.25,0.26.
The production method of high-strength water-permeable concrete floor brick of the present invention:
(1), make earlier basic unit by weight ratio:
Cement 18-21%;
3-5mm small crushed stone 50-55%;
The big rubble 18-21% of 7-10mm;
Concrete admixture 0.1-6%;
Water cement ratio: 0.2-0.23;
Make the step of basic unit:
A, big the rubble grating becomes aggregate with 3-5mm small crushed stone, 7-10mm.
B, aggregate and toner are mixed, then 10% wetting in advance by the specified water yield.
C, redispersable latex powder and concrete admixture evenly are premixed in the cement.
D, with aggregate and cement mixing, mixing time is the 20-40 random time of second.
E, will remain the specified water yield again and fill up, stir, pour in the mould vibratory compaction into.Can guarantee that so just limited bonding material attached to aggregate surface, provides full intensity, but not stop up permeable water channel.
(2), make surface layer then: by weight ratio cement 15-22%, quartz sand 76-85%, concrete admixture 0.1-6%, redispersable latex powder 0.2-0.6%, water cement ratio: 0.24-0.26 are stirred, and be poured on basic unit's layer of fresh moulding in the above-mentioned steps (1), again through vibratory compaction.
(3), the demoulding.
(4), maintenance 24-48 hour, go out finished product.

Claims (9)

1. high-strength water-permeable concrete floor brick, it is characterized in that: the material of basic unit and surface layer is prepared respectively, wherein:
Basic unit's siccative weight proportion is as follows:
Cement 18-21%;
3-5mm small crushed stone 50-55%;
The big rubble 18-21% of 7-10mm;
Concrete admixture 0.1-6%;
Water cement ratio: 0.2-0.23;
Surface layer siccative weight proportion is as follows:
Cement 15-24%;
Quartz sand 76-85%;
Other has: be the concrete admixture of the 0.1-6% that mixes of benchmark with the cement weight in the described surface layer;
With the cement weight in the described surface layer is the redispersable latex powder of the 0.2-0.6% that mixes of benchmark;
Water cement ratio: 0.24-0.26.
2. high-strength water-permeable concrete floor brick according to claim 1 is characterized in that: also add toner in surface layer and/or substrate weight proportioning.
3. high-strength water-permeable concrete floor brick according to claim 1 and 2 is characterized in that: also add the corrosion-resisting steel fiber that is no more than cement weight 1.5% in the substrate weight proportioning.
4. high-strength water-permeable concrete floor brick according to claim 1 and 2 is characterized in that: also add the redispersable latex powder that is no more than cement weight 0.6% in the substrate weight proportioning.
5. high-strength water-permeable concrete floor brick according to claim 3 is characterized in that: also add the redispersable latex powder that is no more than cement weight 0.6% in the substrate weight proportioning.
6. high-strength water-permeable concrete floor brick according to claim 1 or 5, it is characterized in that: above-mentioned cement is by the slag or the coal ash instead that are no more than 30%.
7. the production method of a high-strength water-permeable concrete floor brick is characterized in that:
(1), make earlier basic unit by weight ratio:
Cement 18-21%;
3-5mm small crushed stone 50-55%;
The big rubble 18-21% of 7-10mm;
Concrete admixture 0.1-6%;
Water cement ratio: 0.2-0.23;
Make the step of basic unit:
A, big the rubble grating becomes aggregate with 3-5mm small crushed stone, 7-10mm;
B, aggregate and toner are mixed, 10% wetting in advance by the specified water yield then,
C, evenly be premixed into redispersable latex powder and concrete admixture in the cement;
D, with aggregate and cement mixing 20-40 second;
E, will remain the specified water yield again and fill up, stir, pour in the mould vibratory compaction into;
(2), make surface layer then: by weight ratio cement 15-22%, quartz sand 76-85%, concrete admixture 0.1-6%, redispersable latex powder 0.2-0.6%, water cement ratio: 0.24-0.26 are stirred, and be poured on basic unit's layer of fresh moulding in the above-mentioned steps (1), again through vibratory compaction;
(3), the demoulding;
(4), maintenance, go out finished product.
8. according to the production method of the described high-strength water-permeable concrete floor brick of claim 7, it is characterized in that: in basic unit's proportioning, also be added with the corrosion-resisting steel fiber that is no more than cement weight 1.5%.
9. according to the production method of claim 6 or 7 described high-strength water-permeable concrete floor bricks, it is characterized in that: among the above-mentioned d, the mixing time of aggregate and cement is 30 seconds.
CNB2005102005265A 2005-09-08 2005-09-08 High-strength water-permeable concrete floor brick and its production method CN1315752C (en)

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CN1315752C true CN1315752C (en) 2007-05-16

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