CN109553368A - Regeneration concrete - Google Patents
Regeneration concrete Download PDFInfo
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- CN109553368A CN109553368A CN201910045131.4A CN201910045131A CN109553368A CN 109553368 A CN109553368 A CN 109553368A CN 201910045131 A CN201910045131 A CN 201910045131A CN 109553368 A CN109553368 A CN 109553368A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
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- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to the field of building materials to provide a kind of regeneration concrete for the low problem of the compression strength of regeneration concrete, the component including following mass fraction: 10-12 parts of water;20-25 parts of cement;1-2 parts of water-reducing agent;7-8 parts of SILICA FUME;40-50 parts of regenerated aggregate, regenerated aggregate is the mixture of garrulous bricks and stones, waste concrete block and industrial residue;60-80 parts of natural aggregate;Waste and old textile fabric 10-15 parts;1-2 parts of coupling agent.By the way that SILICA FUME is added, SILICA FUME is conducive to fill the gap in regenerated aggregate, gel is generated with hydrated product simultaneously, so that the crack of regenerated aggregate is blocked, so that regenerated aggregate its crack in load-bearing is not easy to continue to crack, the intensity for being conducive to improve regenerated aggregate, so that the compression strength of regeneration concrete enhances, so that regeneration concrete is not easily susceptible to cracking when being under pressure.
Description
Technical field
The present invention relates to the field of building materials, more specifically, it relates to a kind of regeneration concrete.
Background technique
Regeneration concrete refers to discarded concrete block after broken, cleaning, classification, is compounded by a certain percentage with grade
It closes, partly or entirely replaces the natural aggregates such as sandstone, add the novel concrete that cement, water etc. are formulated.
But due to waste and old concrete in shattering process by biggish external force, gathering materials, inside is easy to appear
A large amount of fine slight cracks, so that gathering materials in load-bearing, crack may uncontrollably extend rapidly, and then be easy to influence again
Therefore the intensity of growing concrete, still there is improved space so that the intensity of regeneration concrete is substantially reduced.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of regeneration concrete, there is enhancing again
The advantages of compression strength of growing concrete.
To achieve the above object, the present invention provides the following technical scheme that
A kind of regeneration concrete, the component including following mass fraction:
10-12 parts of water;
20-25 parts of cement;
1-2 parts of water-reducing agent;
7-8 parts of SILICA FUME;
40-50 parts of regenerated aggregate, the regenerated aggregate is the mixture of garrulous bricks and stones, waste concrete block and industrial residue;
60-80 parts of natural aggregate;
Waste and old textile fabric 10-15 parts;
1-2 parts of coupling agent.
By adopting the above technical scheme, by the way that SILICA FUME is added, SILICA FUME is conducive to fill the gap in regenerated aggregate, simultaneously
Gel is generated with hydrated product, so that the crack of regenerated aggregate is blocked, so that regenerated aggregate its crack in load-bearing
It is not easy to continue to crack, is conducive to the intensity for improving regenerated aggregate, so that the compression strength of regeneration concrete enhances, so that
Regeneration concrete is not easily susceptible to cracking when being under pressure;The social reserves of the waste and old textile fabric in China have reached nearly 1.5 hundred million, and every
Year reserves also in sustainable growth, but current recovery utilization rate is less than 10%, and waste and old textile fabric usually passes through landfill
Or the simple method such as burning is handled, and is be easy to cause environmental pollution, is resulted in waste of resources, and passes through and waste and old weaving fibre is added
Dimension is conducive to the recovery utilization rate for improving textile fabric resource, advantageously reduces pollution on the environment;Meanwhile waste and old spinning
Textured fiber has the characteristic that intensity is high, elasticity is good, wearability is good, and by the way that waste and old textile fabric is added, waste and old textile fabric is easy
Formed in regeneration concrete it is a kind of it is three-dimensional disorderly to support system, be conducive to the directional stress for dispersing regeneration concrete so that
The toughness of regeneration concrete enhances, so that regeneration concrete is not easily susceptible to cracking when being pressurized, is conducive to improve regeneration coagulation
The tensile strength of soil, so that the service life of regeneration concrete extends;By the way that coupling agent is added, be conducive to improve regeneration concrete
In organic matter and inorganic filler compatibility, be conducive to regeneration concrete each component mixing is uniformly dispersed, to be conducive to
Improve the compression strength of regeneration concrete.
The present invention is further arranged to: the waste and old textile fabric is waste and old nylon.
By adopting the above technical scheme, by the way that waste and old nylon is added, amide groups is contained in waste and old nylon, amide groups has relatively strong
Hydrogen bond association ability, and the polarity of amide groups is very big, generally there is preferable high temperature resistance and stronger stability, from
And be conducive to improve the high temperature resistance of regeneration concrete, so that the stability of regeneration concrete improves;Meanwhile SILICA FUME surface
Easy water suction forms the stronger silicone hydroxyl of polarity, so that the silicone hydroxyl on the amide groups and SILICA FUME on waste and old nylon is easy
Formed hydrogen bond, be conducive to it is entangled to each other to form reticular structure between molecule, be conducive to improve cement grout consistency so that
Cement grout enhances the cohesive force of regenerated aggregate and natural aggregate, so that during regeneration concrete pumping and stirring
The phenomenon that being not easy to occur bleeding or isolation, reduces regenerated aggregate and the case where natural aggregate is readily concentrated to somewhere, thus
Be conducive to regenerated aggregate and natural aggregate is uniformly dispersed in cement grout, so that the density of regeneration concrete is more uniform,
And then be conducive to improve the compression strength of regeneration concrete.
The present invention is further arranged to: the water-reducing agent is polycarboxylate high performance water-reducing agent.
By adopting the above technical scheme, by using polycarboxylate high performance water-reducing agent as water-reducing agent, the high property of polycarboxylic-acid
Carboxyl can be contained in water-reducing agent, the carboxyl in polycarboxylate high performance water-reducing agent is easy to react life with the amide groups in waste and old nylon
At another carboxylic acid amide, thus be conducive to it is entangled to each other to form reticular structure between molecule, and then be conducive to improve regeneration
The compression strength of concrete, so that regeneration concrete is not easily susceptible to cracking in load-bearing.
The present invention is further arranged to: the partial size of the SILICA FUME is 1000-1500 mesh.
By adopting the above technical scheme, it is the setting of 1000-1500 mesh by the partial size of SILICA FUME, it is more preferable is conducive to SILICA FUME
The gap of regenerated aggregate is filled on ground, so that the filling effect of SILICA FUME enhances, so that regenerated aggregate its gap in load-bearing
It is not easy to continue to crack, and then is conducive to enhance the compression strength and endurance quality of regeneration concrete.
The present invention is further arranged to: the cement is portland cement.
By adopting the above technical scheme, by selecting portland cement as cement, according to similar intermiscibility principle, silicate
Contain element silicon in cement and SILICA FUME, to be conducive to enhance the compatibility of each component in regeneration concrete, favorably
It is uniformly mixed in regeneration concrete, to be conducive to improve the stability of regeneration concrete;Meanwhile portland cement surface
It is easy absorption water and forms the stronger silicone hydroxyl of polarity, the silicone hydroxyl on portland cement surface is easy the silicone hydroxyl with SILICA FUME surface
And the amide groups on waste and old nylon surface forms hydrogen bond, so that it is entangled to each other to form reticular structure between molecule, thus favorably
In the compression strength for improving regeneration concrete, so that regeneration concrete is not easily susceptible to cracking in load-bearing.
The present invention is further arranged to: the coupling agent is silane coupling agent.
By adopting the above technical scheme, by selecting silane coupling agent as coupling agent, according to similar intermiscibility principle, silane
Coupling agent and SILICA FUME contain element silicon, to be conducive to enhance the compatibility of each component in regeneration concrete, are conducive to
Regeneration concrete is uniformly mixed, so that the density of regeneration concrete is more uniform, reduces regenerated aggregate and natural aggregate
The case where easy concentration somewhere causes the intensity of regeneration concrete to be affected, be conducive to the stabilization for improving regeneration concrete
Property, so that the compression strength of regeneration concrete enhances;Meanwhile silane coupling agent need to first hydrolyze to form silanol, silanol in coupling
Containing the stronger silicone hydroxyl of polarized, the silicone hydroxyl on silanol is easy silicone hydroxyl and waste and old nylon table with portland cement surface
The amide groups in face forms hydrogen bond, so that it is entangled to each other to form reticular structure between molecule, to be conducive to improve regeneration coagulation
The compression strength of soil, so that regeneration concrete is not easily susceptible to cracking in load-bearing.
The present invention is further arranged to: the industrial residue in the regenerated aggregate is flyash.
By adopting the above technical scheme, by be added flyash, be conducive to rationally utilize resource, reduction flyash to atmosphere with
The pollution of environment;Meanwhile flyash being added in regeneration concrete and is conducive to save the dosage of cement, while water consumption is subtracted
Few, the workability for also helping improvement regeneration concrete mixture is conducive to regenerate so that the bleeding rate of regeneration concrete declines
The each component dispersion mixing of concrete is uniform, so that the density of regeneration concrete is more uniform, and then is conducive to improve again
The compression strength of growing concrete.
The present invention is further arranged to: further include the component of following mass fraction:
5-8 parts of steel fibre.
By adopting the above technical scheme, by the way that steel fibre is added, be conducive to improve the compression strength of regeneration concrete, stretch by force
Degree and impact flexibility, so that regeneration concrete is not easily susceptible to cracking when being pressurized, to be conducive to improve the resistance to of regeneration concrete
Long performance.
The present invention is further arranged to: the mass parts ratio of the regenerated aggregate and natural aggregate is 1:1.5-2.
By adopting the above technical scheme, the setting for being 1:1.5-2 by the mass parts ratio of regenerated aggregate and natural aggregate, has
Conducive to improving the intensity gathered materials of mixing, to be conducive to improve the compression strength of regeneration concrete so that regeneration concrete by
It is not easily susceptible to cracking when lotus.
The present invention is further arranged to: further include the component of following mass fraction:
Waterproofing agent 0.5-1 parts of sealing of the crystallization of CM-DPS depth of penetration.
By adopting the above technical scheme, by the way that CM-DPS depth of penetration crystallization sealing waterproofing agent is added, be conducive to sealing regeneration
The gap to gather materials, is conducive to the hardness and compactness that enhance regenerated aggregate, and waterproofing agent penetrates into the crack of regenerated aggregate, has
Conducive to the intensity of reinforcement regenerated aggregate, so that the apparent density of regenerated aggregate improves, and then be conducive to enhancing regeneration
The endurance quality of concrete, so that the compression strength of regeneration concrete enhances, so that regeneration concrete is not easy out in load-bearing
It splits;Meanwhile CM-DPS depth of penetration crystallization sealing waterproofing agent is colourless, tasteless, nontoxic green product, is conducive to improve
The environmental-protecting performance of regeneration concrete.
In conclusion the invention has the following advantages:
1. SILICA FUME is conducive to fill the gap in regenerated aggregate, while generating with hydrated product by the way that SILICA FUME is added
Gel, so that the crack of regenerated aggregate is blocked, so that regenerated aggregate its crack in load-bearing is not easy to continue to crack,
The intensity for being conducive to improve regenerated aggregate so that the compression strength of regeneration concrete enhances so that regeneration concrete by
It is not easily susceptible to cracking when to pressure;
2. being conducive to the recovery utilization rate for improving textile fabric resource by the way that waste and old textile fabric is added, advantageously reducing
Pollution on the environment;
3. waste and old weaving has the characteristic that fibre strength is high, elasticity is good, wearability is good, by the way that waste and old textile fabric is added,
Be conducive to the directional stress for dispersing regeneration concrete, so that the toughness of regeneration concrete enhances, so that regeneration concrete exists
It is not easily susceptible to cracking when compression, is conducive to the tensile strength for improving regeneration concrete, extends the service life of regeneration concrete;
4. by the way that waste and old nylon is added, SILICA FUME surface is easy water suction and forms the stronger silicone hydroxyl of polarity, so that useless
The hydrogen bond easy to form of the silicone hydroxyl on amide groups and SILICA FUME on old nylon is conducive to entangled to each other to form net between molecule
Shape structure is conducive to the consistency for improving cement grout, so that cement grout increases the cohesive force of regenerated aggregate and natural aggregate
By force, so that being not easy the phenomenon that bleeding or isolation occur during regeneration concrete pumping and stirring, regenerated aggregate is reduced
And natural aggregate is readily concentrated to the case where somewhere, divides in cement grout to be conducive to regenerated aggregate and natural aggregate
It dissipates uniformly, so that the density of regeneration concrete is more uniform, and then is conducive to improve the compression strength of regeneration concrete;
5. containing carboxylic in polycarboxylate high performance water-reducing agent by using polycarboxylate high performance water-reducing agent as water-reducing agent
Base, the carboxyl in polycarboxylate high performance water-reducing agent are easy to react another carboxylic acyloxy of generation with the amide groups in nylon fiber
Amine, to be conducive to resistance to compression entangled to each other to form reticular structure between molecule, and then being conducive to improve regeneration concrete
Intensity, so that regeneration concrete is not easily susceptible to cracking in load-bearing.
Specific embodiment
With reference to embodiments, invention is further described in detail.
In following embodiment, steel fibre uses the model of Yutian County Zhi Tai steel fibre Manufacturing Co., Ltd using steel fibre
The steel fibre of Q195.
In following embodiment, CM-DPS depth of penetration crystallization sealing waterproofing agent uses Henan Lv Cheng cumulative Industrial Co., Ltd.
CM-DPS depth of penetration crystallization sealing waterproofing agent.
Embodiment 1
A kind of regeneration concrete, the component including following mass fraction:
Water 10kg;Cement 20kg;Water-reducing agent 1kg;SILICA FUME 7kg;Regenerated aggregate 50kg, in which: garrulous bricks and stones 15kg, give up and mix
Solidifying soil block 17kg, flyash 18kg;Natural aggregate 65kg;Waste and old textile fabric 10kg;Coupling agent 1kg.
In the present embodiment, cement use the article No. of green source activity charcoal factory, Chifeng City for 06 sulphate aluminium cement.
In the present embodiment, if water-reducing agent uses the horizontal sour sodium of the lignin of Shanghai front yard Chemical Co., Ltd..
In the present embodiment, SILICA FUME uses the partial size of trade Industrial Development Co., Ltd., Anshan saddle U.S. micro- for 1000 purposes
Silicon powder.
In the present embodiment, waste and old textile fabric uses waste and old terylene.
In the present embodiment, coupling agent uses the article No. of Dongguan City Ding Hai plastic cement Chemical Co., Ltd. for the titanium of NDZ-201
Acid esters coupling agent.
Regeneration concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, cement 20kg is added, is stirred with the revolving speed of 250r/min;
(2) water 10kg, water-reducing agent 1kg, SILICA FUME 7kg, waste and old textile fabric 10kg, coupling agent 1kg are added while stirring,
After mixing evenly, pre-composition is obtained;
(3) in sandstone blender, under normal temperature condition, garrulous bricks and stones 15kg, waste concrete block 17kg, flyash is added
18kg, natural aggregate 65kg, are stirred with the revolving speed of 250r/min, obtain regenerated aggregate and natural aggregate after mixing evenly
Mixture;
(4) in concrete mixer, under normal temperature condition, the mixing of pre-composition and regenerated aggregate and natural aggregate is added
Material, is stirred with the revolving speed of 250r/min, is paved rapidly after mixing evenly to construction surface, form molding regeneration after conserving
Concrete.
Embodiment 2
A kind of regeneration concrete, the component including following mass fraction:
Water 10kg;Cement 20kg;Water-reducing agent 1kg;SILICA FUME 7kg;Regenerated aggregate 40kg, in which: garrulous bricks and stones 10kg, give up and mix
Solidifying soil block 12kg, flyash 18kg;Natural aggregate 60kg;Waste and old textile fabric 10kg;Coupling agent 1kg.
In the present embodiment, cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.
In the present embodiment, if water-reducing agent uses the horizontal sour sodium of the lignin of Shanghai front yard Chemical Co., Ltd..
In the present embodiment, SILICA FUME uses the partial size of trade Industrial Development Co., Ltd., Anshan saddle U.S. micro- for 1000 purposes
Silicon powder.
In the present embodiment, waste and old textile fabric uses waste and old terylene.
In the present embodiment, coupling agent uses the model KH570 article No. of the grand Chemical Co., Ltd. in Zhengzhou for 66051
Silane coupling agent.
Regeneration concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, cement 20kg is added, is stirred with the revolving speed of 250r/min;
(2) water 10kg, water-reducing agent 1kg, SILICA FUME 7kg, waste and old textile fabric 10kg, coupling agent 1kg are added while stirring,
After mixing evenly, pre-composition is obtained;
(3) in sandstone blender, under normal temperature condition, garrulous bricks and stones 10kg, waste concrete block 12kg, flyash is added
18kg, natural aggregate 60kg, are stirred with the revolving speed of 250r/min, obtain regenerated aggregate and natural aggregate after mixing evenly
Mixture;
(4) in concrete mixer, under normal temperature condition, the mixing of pre-composition and regenerated aggregate and natural aggregate is added
Material, is stirred with the revolving speed of 250r/min, is paved rapidly after mixing evenly to construction surface, form molding regeneration after conserving
Concrete.
Embodiment 3
A kind of regeneration concrete, the component including following mass fraction:
Water 11kg;Cement 23kg;Water-reducing agent 1.5kg;SILICA FUME 7.5kg;Regenerated aggregate 45kg, in which: garrulous bricks and stones 15kg,
Waste concrete block 10kg, flyash 20kg;Natural aggregate 67.5kg;Waste and old textile fabric 13kg;Coupling agent 1.5kg.
In the present embodiment, cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.
In the present embodiment, water-reducing agent uses Shanghai by the emperor himself and the polycarboxylate high performance water-reducing agent of Chemical Co., Ltd..
In the present embodiment, SILICA FUME uses the partial size of trade Industrial Development Co., Ltd., Anshan saddle U.S. micro- for 1250 purposes
Silicon powder.
In the present embodiment, waste and old textile fabric uses waste and old terylene.
In the present embodiment, coupling agent uses the model KH560 article No. of the grand Chemical Co., Ltd. in Zhengzhou for 66051
Silane coupling agent.
Regeneration concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, cement 23kg is added, is stirred with the revolving speed of 250r/min;
(2) water 11kg, water-reducing agent 1.5kg, SILICA FUME 7.5kg, waste and old textile fabric 13kg, coupling agent are added while stirring
1.5kg obtains pre-composition after mixing evenly;
(3) in sandstone blender, under normal temperature condition, garrulous bricks and stones 15kg, waste concrete block 10kg, flyash is added
20kg, natural aggregate 67.5kg, are stirred with the revolving speed of 250r/min, obtain regenerated aggregate and natural aggregate after mixing evenly
Mixture;
(4) in concrete mixer, under normal temperature condition, the mixing of pre-composition and regenerated aggregate and natural aggregate is added
Material, is stirred with the revolving speed of 250r/min, is paved rapidly after mixing evenly to construction surface, form molding regeneration after conserving
Concrete.
Embodiment 4
A kind of regeneration concrete, the component including following mass fraction:
Water 12kg;Cement 25kg;Water-reducing agent 2kg;SILICA FUME 8kg;Regenerated aggregate 50kg, in which: garrulous bricks and stones 15kg, give up and mix
Solidifying soil block 10kg, flyash 20kg;Natural aggregate 80kg;Waste and old textile fabric 15kg;Coupling agent 2kg.
In the present embodiment, cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.
In the present embodiment, if water-reducing agent uses the horizontal sour sodium of the lignin of Shanghai front yard Chemical Co., Ltd..
In the present embodiment, SILICA FUME uses the partial size of trade Industrial Development Co., Ltd., Anshan saddle U.S. micro- for 1500 purposes
Silicon powder.
In the present embodiment, waste and old textile fabric uses waste and old nylon.
In the present embodiment, coupling agent uses the model KH560 article No. of the grand Chemical Co., Ltd. in Zhengzhou for 66051
Silane coupling agent.
Regeneration concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, cement 25kg is added, is stirred with the revolving speed of 250r/min;
(2) water 12kg, water-reducing agent 2kg, SILICA FUME 8kg, waste and old textile fabric 15kg, coupling agent 2kg are added while stirring,
After mixing evenly, pre-composition is obtained;
(3) in sandstone blender, under normal temperature condition, garrulous bricks and stones 15kg, waste concrete block 10kg, flyash is added
20kg, natural aggregate 80kg, are stirred with the revolving speed of 250r/min, obtain regenerated aggregate and natural aggregate after mixing evenly
Mixture;
(4) in concrete mixer, under normal temperature condition, the mixing of pre-composition and regenerated aggregate and natural aggregate is added
Material, is stirred with the revolving speed of 250r/min, is paved rapidly after mixing evenly to construction surface, form molding regeneration after conserving
Concrete.
Embodiment 5
A kind of regeneration concrete, the component including following mass fraction:
Water 11kg;Cement 23kg;Water-reducing agent 1.5kg;SILICA FUME 7.5kg;Regenerated aggregate 40kg, in which: garrulous bricks and stones 10kg,
Waste concrete block 15kg, flyash 20kg;Natural aggregate 80kg;Waste and old textile fabric 13kg;Coupling agent 1.5kg.
In the present embodiment, cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.
In the present embodiment, water-reducing agent uses Shanghai by the emperor himself and the polycarboxylate high performance water-reducing agent of Chemical Co., Ltd..
In the present embodiment, SILICA FUME uses the partial size of trade Industrial Development Co., Ltd., Anshan saddle U.S. micro- for 1250 purposes
Silicon powder.
In the present embodiment, waste and old textile fabric uses waste and old nylon.
In the present embodiment, coupling agent uses the model KH560 article No. of the grand Chemical Co., Ltd. in Zhengzhou for 66051
Silane coupling agent.
Regeneration concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, cement 23kg is added, is stirred with the revolving speed of 250r/min;
(2) water 11kg, water-reducing agent 1.5kg, SILICA FUME 7.5kg, waste and old textile fabric 13kg, coupling agent are added while stirring
1.5kg obtains pre-composition after mixing evenly;
(3) in sandstone blender, under normal temperature condition, garrulous bricks and stones 10kg, waste concrete block 15kg, flyash is added
20kg, natural aggregate 80kg, are stirred with the revolving speed of 250r/min, obtain regenerated aggregate and natural aggregate after mixing evenly
Mixture;
(4) in concrete mixer, under normal temperature condition, the mixing of pre-composition and regenerated aggregate and natural aggregate is added
Material, is stirred with the revolving speed of 250r/min, is paved rapidly after mixing evenly to construction surface, form molding regeneration after conserving
Concrete.
Embodiment 6
A kind of regeneration concrete, the component including following mass fraction:
Water 11kg;Cement 23kg;Water-reducing agent 1.5kg;SILICA FUME 7.5kg;Regenerated aggregate 40kg, in which: garrulous bricks and stones 10kg,
Waste concrete block 15kg, flyash 20kg;Natural aggregate 80kg;Waste and old textile fabric 13kg;Coupling agent 1.5kg;Steel fibre
5kg;CM-DPS depth of penetration crystallization sealing waterproofing agent 0.5kg.
In the present embodiment, cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.
In the present embodiment, water-reducing agent uses Shanghai by the emperor himself and the polycarboxylate high performance water-reducing agent of Chemical Co., Ltd..
In the present embodiment, SILICA FUME uses the partial size of trade Industrial Development Co., Ltd., Anshan saddle U.S. micro- for 1000 purposes
Silicon powder.
In the present embodiment, waste and old textile fabric uses waste and old nylon.
In the present embodiment, coupling agent uses the model KH560 article No. of the grand Chemical Co., Ltd. in Zhengzhou for 66051
Silane coupling agent.
Regeneration concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, cement 23kg is added, is stirred with the revolving speed of 250r/min;
(2) water 11kg, water-reducing agent 1.5kg, SILICA FUME 7.5kg, waste and old textile fabric 13kg, coupling agent are added while stirring
1.5kg, steel fibre 5kg, CM-DPS depth of penetration crystallization sealing waterproofing agent 0.5kg obtain pre-composition after mixing evenly;
(3) in sandstone blender, under normal temperature condition, garrulous bricks and stones 10kg, waste concrete block 15kg, flyash is added
20kg, natural aggregate 80kg, are stirred with the revolving speed of 250r/min, obtain regenerated aggregate and natural aggregate after mixing evenly
Mixture;
(4) in concrete mixer, under normal temperature condition, the mixing of pre-composition and regenerated aggregate and natural aggregate is added
Material, is stirred with the revolving speed of 250r/min, is paved rapidly after mixing evenly to construction surface, form molding regeneration after conserving
Concrete.
Embodiment 7
A kind of regeneration concrete, the component including following mass fraction:
Water 11kg;Cement 23kg;Water-reducing agent 1.5kg;SILICA FUME 7.5kg;Regenerated aggregate 40kg, in which: garrulous bricks and stones 10kg,
Waste concrete block 15kg, flyash 20kg;Natural aggregate 80kg;Waste and old textile fabric 13kg;Coupling agent 1.5kg;Steel fibre
7.5kg;CM-DPS depth of penetration crystallization sealing waterproofing agent 0.7kg.
In the present embodiment, cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.
In the present embodiment, water-reducing agent uses Shanghai by the emperor himself and the polycarboxylate high performance water-reducing agent of Chemical Co., Ltd..
In the present embodiment, SILICA FUME uses the partial size of trade Industrial Development Co., Ltd., Anshan saddle U.S. micro- for 1250 purposes
Silicon powder.
In the present embodiment, waste and old textile fabric uses waste and old nylon.
In the present embodiment, coupling agent uses the model KH560 article No. of the grand Chemical Co., Ltd. in Zhengzhou for 66051
Silane coupling agent.
Regeneration concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, cement 23kg is added, is stirred with the revolving speed of 250r/min;
(2) water 11kg, water-reducing agent 1.5kg, SILICA FUME 7.5kg, waste and old textile fabric 13kg, coupling agent are added while stirring
1.5kg, steel fibre 7.5kg, CM-DPS depth of penetration crystallization sealing waterproofing agent 0.7kg obtain pre-composition after mixing evenly;
(3) in sandstone blender, under normal temperature condition, garrulous bricks and stones 10kg, waste concrete block 15kg, flyash is added
20kg, natural aggregate 80kg, are stirred with the revolving speed of 250r/min, obtain regenerated aggregate and natural aggregate after mixing evenly
Mixture;
(4) in concrete mixer, under normal temperature condition, the mixing of pre-composition and regenerated aggregate and natural aggregate is added
Material, is stirred with the revolving speed of 250r/min, is paved rapidly after mixing evenly to construction surface, form molding regeneration after conserving
Concrete.
Embodiment 8
A kind of regeneration concrete, the component including following mass fraction:
Water 11kg;Cement 23kg;Water-reducing agent 1.5kg;SILICA FUME 7.5kg;Regenerated aggregate 40kg, in which: garrulous bricks and stones 10kg,
Waste concrete block 15kg, flyash 20kg;Natural aggregate 80kg;Waste and old textile fabric 13kg;Coupling agent 1.5kg;Steel fibre
8kg;CM-DPS depth of penetration crystallization sealing waterproofing agent 1kg.
In the present embodiment, cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.
In the present embodiment, water-reducing agent uses Shanghai by the emperor himself and the polycarboxylate high performance water-reducing agent of Chemical Co., Ltd..
In the present embodiment, SILICA FUME uses the partial size of trade Industrial Development Co., Ltd., Anshan saddle U.S. micro- for 1500 purposes
Silicon powder.
In the present embodiment, waste and old textile fabric uses waste and old nylon.
In the present embodiment, coupling agent uses the model KH560 article No. of the grand Chemical Co., Ltd. in Zhengzhou for 66051
Silane coupling agent.
Regeneration concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, cement 23kg is added, is stirred with the revolving speed of 250r/min;
(2) water 11kg, water-reducing agent 1.5kg, SILICA FUME 7.5kg, waste and old textile fabric 13kg, coupling agent are added while stirring
1.5kg, steel fibre 8kg, CM-DPS depth of penetration crystallization sealing waterproofing agent 1kg obtain pre-composition after mixing evenly;
(3) in sandstone blender, under normal temperature condition, garrulous bricks and stones 10kg, waste concrete block 15kg, flyash is added
20kg, natural aggregate 80kg, are stirred with the revolving speed of 250r/min, obtain regenerated aggregate and natural aggregate after mixing evenly
Mixture;
(4) in concrete mixer, under normal temperature condition, the mixing of pre-composition and regenerated aggregate and natural aggregate is added
Material, is stirred with the revolving speed of 250r/min, is paved rapidly after mixing evenly to construction surface, form molding regeneration after conserving
Concrete.
Comparative example 1
A kind of regeneration concrete, the component including following mass fraction:
Water 11kg;Cement 23kg;Water-reducing agent 1.5kg;Regenerated aggregate 40kg, in which: garrulous bricks and stones 10kg, waste concrete block
15kg, flyash 20kg;Natural aggregate 60kg;Coupling agent 1.5kg.
In the present embodiment, cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.
In the present embodiment, water-reducing agent uses Shanghai by the emperor himself and the polycarboxylate high performance water-reducing agent of Chemical Co., Ltd..
In the present embodiment, coupling agent uses the model KH560 article No. of the grand Chemical Co., Ltd. in Zhengzhou for 66051
Silane coupling agent.
Regeneration concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, cement 23kg is added, is stirred with the revolving speed of 250r/min;
(2) water 11kg, water-reducing agent 1.5kg, coupling agent 1.5kg are added while stirring and obtain pre-composition after mixing evenly;
(3) in sandstone blender, under normal temperature condition, garrulous bricks and stones 10kg, waste concrete block 15kg, flyash is added
20kg, natural aggregate 60kg, are stirred with the revolving speed of 250r/min, obtain regenerated aggregate and natural aggregate after mixing evenly
Mixture;
(4) in concrete mixer, under normal temperature condition, the mixing of pre-composition and regenerated aggregate and natural aggregate is added
Material, is stirred with the revolving speed of 250r/min, is paved rapidly after mixing evenly to construction surface, form molding regeneration after conserving
Concrete.
Comparative example 2
A kind of regeneration concrete, the component including following mass fraction:
Water 11kg;Cement 23kg;Water-reducing agent 1.5kg;SILICA FUME 7.5kg;Regenerated aggregate 40kg, in which: garrulous bricks and stones 10kg,
Waste concrete block 15kg, flyash 20kg;Natural aggregate 70kg;Coupling agent 1.5kg.
In the present embodiment, cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.
In the present embodiment, water-reducing agent uses Shanghai by the emperor himself and the polycarboxylate high performance water-reducing agent of Chemical Co., Ltd..
In the present embodiment, SILICA FUME uses the partial size of trade Industrial Development Co., Ltd., Anshan saddle U.S. micro- for 1250 purposes
Silicon powder.
In the present embodiment, coupling agent uses the model KH560 article No. of the grand Chemical Co., Ltd. in Zhengzhou for 66051
Silane coupling agent.
Regeneration concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, cement 23kg is added, is stirred with the revolving speed of 250r/min;
(2) water 11kg, water-reducing agent 1.5kg, SILICA FUME 7.5kg, coupling agent 1.5kg are added while stirring, after mixing evenly,
Obtain pre-composition;
(3) in sandstone blender, under normal temperature condition, garrulous bricks and stones 10kg, waste concrete block 15kg, flyash is added
20kg, natural aggregate 70kg, are stirred with the revolving speed of 250r/min, obtain regenerated aggregate and natural aggregate after mixing evenly
Mixture;
(4) in concrete mixer, under normal temperature condition, the mixing of pre-composition and regenerated aggregate and natural aggregate is added
Material, is stirred with the revolving speed of 250r/min, is paved rapidly after mixing evenly to construction surface, form molding regeneration after conserving
Concrete.
Comparative example 3
A kind of regeneration concrete, the component including following mass fraction:
Water 11kg;Cement 23kg;Water-reducing agent 1.5kg;Regenerated aggregate 40kg, in which: garrulous bricks and stones 10kg, waste concrete block
15kg, flyash 20kg;Natural aggregate 80kg;Waste and old textile fabric 13kg;Coupling agent 1.5kg.
In the present embodiment, cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.
In the present embodiment, water-reducing agent uses Shanghai by the emperor himself and the polycarboxylate high performance water-reducing agent of Chemical Co., Ltd..
In the present embodiment, waste and old textile fabric uses waste and old nylon.
In the present embodiment, coupling agent uses the model KH560 article No. of the grand Chemical Co., Ltd. in Zhengzhou for 66051
Silane coupling agent.
Regeneration concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, cement 23kg is added, is stirred with the revolving speed of 250r/min;
(2) water 11kg, water-reducing agent 1.5kg, waste and old textile fabric 13kg, coupling agent 1.5kg are added while stirring, stirring is equal
After even, pre-composition is obtained;
(3) in sandstone blender, under normal temperature condition, garrulous bricks and stones 10kg, waste concrete block 15kg, flyash is added
20kg, natural aggregate 80kg, are stirred with the revolving speed of 250r/min, obtain regenerated aggregate and natural aggregate after mixing evenly
Mixture;
(4) in concrete mixer, under normal temperature condition, the mixing of pre-composition and regenerated aggregate and natural aggregate is added
Material, is stirred with the revolving speed of 250r/min, is paved rapidly after mixing evenly to construction surface, form molding regeneration after conserving
Concrete.
The detection data of each embodiment is shown in Table 1, and the detection data of each comparative example is shown in Table 2.
Experiment 1
According to the compressive strength test inspection in GB/T50081-2002 " standard for test methods of mechanical properties of ordinary concrete "
Survey the 28d compression strength (MPa) of regeneration concrete.
Experiment 2
According to strong according to the Split-tension of Rolled in GB/T50081-2002 " standard for test methods of mechanical properties of ordinary concrete "
Spend the tensile strength (MPa) of testing inspection regeneration concrete.
Table 1
Table 2
Comparative example 1 | Comparative example 2 | Comparative example 3 | |
Compression strength | 25.6 | 40.5 | 28.3 |
Tensile strength | 2.1 | 2.2 | 4.3 |
It can be obtained according to the data comparison of embodiment 1 in table 1 and embodiment 2, if other conditions are the same, embodiment
Using sulphate aluminium cement as cement, the matter using titanate coupling agent as coupling agent, regenerated aggregate and natural aggregate in 1
Amount portion rate is 1:1.3, uses portland cement as cement, using silane coupling agent as coupling agent, regeneration in embodiment 2
Gathering materials with the mass parts ratio of natural aggregate is 1:1.5, and the compression strength of embodiment 2 is higher than embodiment 1, illustrates by adopting
Use portland cement as cement, using silane coupling agent as coupling agent, portland cement surface is easy water suction and forms polarity
Stronger silicone hydroxyl, silane coupling agent need to first be hydrolyzed into silanol when playing coupled action, and silanol surface is stronger containing polarized
Silicone hydroxyl, thus the silicon hydroxyl of the silicone hydroxyl on portland cement surface, the silicone hydroxyl on silane coupling agent surface and SILICA FUME surface
It is easy to form hydrogen bond mutually between base, to be conducive to entangled to each other to form reticular structure between molecule, and then be conducive to
The consistency for improving regeneration concrete, so that regenerated aggregate and natural aggregate are easier to be wrapped in cement grout, so that again
Growing concrete is not easy the phenomenon that bleeding or isolation occur, to be conducive to regenerated aggregate and natural aggregate in regeneration concrete
In be evenly distributed so that the density of regeneration concrete is more uniform, and then be conducive to enhance the compression strength of regeneration concrete;It is logical
It crosses and regenerated aggregate and natural aggregate is used to be mixed to form regeneration concrete with the proportion of 1:1.5, be conducive to enhance regenerated aggregate
Intensity, to be conducive to enhance the compression strength of regeneration concrete.
Can be obtained according to the data comparison of embodiment 2-5 in table 1, embodiment 2 using waste and old terylene as waste and old textile fabric,
Using wooden horizontal sour sodium as water-reducing agent, embodiment 3 is using waste and old terylene as waste and old textile fabric, using the high property of polycarboxylic-acid
Energy water-reducing agent is as water-reducing agent, and embodiment 4 is using waste and old nylon as waste and old textile fabric, using wooden horizontal sour sodium as diminishing
Agent, embodiment 5 using waste and old nylon as waste and old textile fabric, using polycarboxylate high performance water-reducing agent, but embodiment 2 and real
The compression strength for applying example 3 is close, and the compression strength of embodiment 4 is above embodiment 2 and embodiment 3, the pressure resistance of embodiment 5
Degree is above embodiment 2-4, illustrates to be difficult to improve the anti-of regeneration concrete by the way that polycarboxylate high performance water-reducing agent is only added
Compressive Strength, because without containing the functional group that can be reacted with polycarboxylate high performance water-reducing agent in other components, and pass through while adding
Enter polycarboxylate high performance water-reducing agent and waste and old nylon may make the compression strength of regeneration concrete to enhance, illustrates polycarboxylic-acid
Carboxyl in high-performance water reducing agent is easy to react with the amide groups on waste and old nylon, another carboxylic acid amide is generated, thus favorably
It is entangled to each other to form reticular structure between molecule, so that the consistency of regeneration concrete increases, so that in regeneration concrete
Regenerated aggregate and natural aggregate be easier to be wrapped in cement grout, and then be conducive to enhance regeneration concrete density
The uniformity, meanwhile, so that not allowing easy fracture when being pressurized between strand, and then be conducive to improve the pressure resistance of regeneration concrete
Degree;By the way that waste and old nylon is only added the compression strength of regeneration concrete is enhanced, illustrates that the polarity on waste and old nylon is stronger
Amide groups is easy silicone hydroxyl, the silicone hydroxyl on SILICA FUME surface and the silicon hydroxyl on silane coupling agent surface with portland cement surface
Base formed hydrogen bond, thus be conducive to it is entangled to each other to form reticular structure between molecule so that the consistency of regeneration concrete increases
By force, so that regenerated aggregate and natural aggregate in regeneration concrete are easier to be wrapped in cement grout, be conducive to
Regenerated aggregate and natural aggregate are uniformly dispersed in regeneration concrete, so that the compression strength of regeneration concrete enhances.
It can be obtained according to the data comparison of comparative example 1 in table 2 and comparative example 2, the component ratio of the regeneration concrete in comparative example 2
Component in comparative example 1 has increased SILICA FUME newly, and the compression strength in comparative example 2 is much higher than comparative example 1, illustrates by adding
Enter SILICA FUME, the crack of regenerated aggregate can be filled in SILICA FUME, while SILICA FUME is easy to produce gel with hydrated product, so that again
The raw crack to gather materials is blocked, so that regenerated aggregate is not easy to continue to crack in its crack when being pressurized, is conducive to improve again
The raw compression strength gathered materials, so that the compression strength of regeneration concrete enhances.
It can be obtained according to the data comparison of comparative example 1 in table 2 and comparative example 3, the component ratio of the regeneration concrete in comparative example 3
Component in comparative example 1 has increased waste and old nylon newly, and the tensile strength of comparative example 3 is much higher than comparative example 1, illustrates by adding
Enter waste and old nylon, is conducive to the tensile strength for improving regeneration concrete;In addition, according to embodiment 1-8 in table 1 compared with table 2
The data comparison of example 1-3 can obtain, and the component in embodiment 1-8 and comparative example 3 contains waste and old textile fabric, in comparative example 1-2
Component do not contain waste and old textile fabric, embodiment 1-8 is close with the Tensile strength data of comparative example 3, and comparative example 1-2
Tensile strength data is close, and the tensile strength of embodiment 1-8 and comparative example 3 is much higher than comparative example 1-2, illustrates to pass through addition
Waste and old textile fabric, waste and old textile fabric be easy to be formed in regeneration concrete it is a kind of it is three-dimensional disorderly to support system, be conducive to
The directional stress for dispersing regeneration concrete, so that the toughness of regeneration concrete enhances, so that regeneration concrete is being drawn
It is not easily susceptible to cracking when power, is conducive to the tensile strength for improving regeneration concrete, illustrates that the tensile strength of regeneration concrete is mainly
By the way that waste and old textile fabric is added to realize.
It can be obtained according to embodiment 5 in table 1 and the data comparison of embodiment 6-8, the component ratio embodiment 5 of embodiment 6-8
Component has increased steel fibre newly and CM-DPS depth of penetration crystallization sealing waterproofing agent, the compression strength of embodiment 6-8 are above reality
Example 5 is applied, illustrates that regeneration can be being improved to a certain degree by the way that steel fibre and CM-DPS depth of penetration crystallization sealing waterproofing agent is added
The compression strength of concrete, CM-DPS depth of penetration crystallization sealing waterproofing agent is conducive to seal the gap of regenerated aggregate, so that again
The raw apparent density enhancing gathered materials, so that regenerated aggregate is not easy to continue to crack in its crack when being pressurized, and then is conducive to
Enhance the compression strength of regeneration concrete.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of regeneration concrete, it is characterized in that: including the component of following mass fraction:
10-12 parts of water;
20-25 parts of cement;
1-2 parts of water-reducing agent;
7-8 parts of SILICA FUME;
40-50 parts of regenerated aggregate, the regenerated aggregate is the mixture of garrulous bricks and stones, waste concrete block and industrial residue;
60-80 parts of natural aggregate;
Waste and old textile fabric 10-15 parts;
1-2 parts of coupling agent.
2. regeneration concrete according to claim 1, it is characterized in that: the waste and old textile fabric is waste and old nylon.
3. regeneration concrete according to claim 2, it is characterized in that: the water-reducing agent is polycarboxylic acid series high-performance diminishing
Agent.
4. regeneration concrete according to claim 1 to 3, it is characterized in that: the partial size of the SILICA FUME is 1000-
1500 mesh.
5. regeneration concrete according to claim 1 to 3, it is characterized in that: the cement is portland cement.
6. regeneration concrete according to claim 1 to 3, it is characterized in that: the coupling agent is silane coupling agent.
7. regeneration concrete according to claim 1 to 3, it is characterized in that: the industrial residue in the regenerated aggregate is
Flyash.
8. regeneration concrete according to claim 1 to 3, it is characterized in that: further including the component of following mass fraction:
5-8 parts of steel fibre.
9. regeneration concrete according to claim 1 to 3, it is characterized in that: the matter of the regenerated aggregate and natural aggregate
Amount portion rate is 1:1.5-2.
10. regeneration concrete according to claim 1 to 3, it is characterized in that: further including the component of following mass fraction:
Waterproofing agent 0.5-1 parts of sealing of the crystallization of CM-DPS depth of penetration.
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