CN108609953A - A kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface - Google Patents
A kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface Download PDFInfo
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- CN108609953A CN108609953A CN201810486942.3A CN201810486942A CN108609953A CN 108609953 A CN108609953 A CN 108609953A CN 201810486942 A CN201810486942 A CN 201810486942A CN 108609953 A CN108609953 A CN 108609953A
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
- E01C5/08—Reinforced units with steel frames
- E01C5/10—Prestressed reinforced units ; Prestressed coverings from reinforced or non-reinforced units
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/29—Frost-thaw resistance
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
-
- 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
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of anti-folding, abrasion-proof concretes for prestressing force assembled road surface, include the component of following parts by weight：100 parts of cement, 5 ~ 10 parts of slag, 5 ~ 10 parts of flyash, 1 ~ 5 part of silicon ash, 200 ~ 300 parts of fine aggregate, 250 ~ 350 parts of coarse aggregate, 5 ~ 10 parts of swelling agent, 1.0 ~ 2.0 parts of water-reducing agent, 0.001 part of antifoaming agent, 0.01 ~ 0.02 part of auxiliary rheological agents, 0.1 ~ 0.5 part of polymer emulsion, 0.5 ~ 2 part of fiber, 35 ~ 50 parts of water；Intensity height of the present invention, crack resistance height, shock resistance, wearability is good, durability is good；It can be used for heavily loaded slab engineering, it can also be used to some other structural key position by serious impact.
Description
Technical field
The present invention relates to building material technical fields, and in particular to a kind of anti-folding for prestressing force assembled road surface, resistance to
Grinding concrete.
Background technology
To the end of the year 2014, national cement concrete road surface total kilometrage accounts for about high class pavement up to 2,000,000 kilometers or so
60%；Although China's cement concrete pavement grows continuously and fast, there are the problem of it is still many；Pavement structure is in extraneous ring
Border (the big temperature difference, Frozen-thawed cycled, deicer salts, pressure water wash away, vehicle exhaust etc.), traffic loading and pavement structure internal flaw
Under coupling, there is the phenomenon that performance rapid decay and deterioration；Even there is serious destruction, reaches design far away and use the longevity
Life, many cement concrete pavements start disease occur after open to traffic 3~5 years, and disconnected branch rate is up to 20% or more.
The deterioration form of cement concrete pavement mainly has cross, inclined crack, corner fracture and intersects check crack, frost boiling,
Mao Shui, longitudinal crack, faulting of slab ends, part settles and blows up, expansion joint (E.J.), baste, seam impact vibration, superficial layer peel off, aggregate exposure
Deng；Water is typically considered an important factor for causing cement concrete pavement to be destroyed with overload, and cracking and abrasion are cement
The most common disease in concrete road surface；After crack generates, under the comprehensive function of environmental condition and load factor, greatly add
The speed deterioration of cement concrete pavement；Do not embody that cement concrete pavement service life is long, and maintenance costs is low not only
Advantage makes the weakness of its maintenance difficult further show especially instead.
Road surface thickness can be thinned using prefabricated assembled road surface, save concrete amount, reduction road deck dead weight, while pole
It improves to big degree the flexural capacity of road deck, reduce plate incidence of breaking, especially suitable for Heavy Traffic and repairing work；It is prefabricated
Concrete flag is molded by prefabrication, on the one hand can preferably control the quality of road deck；On the other hand can pass through
The mode of assembly line carries out a large amount of prefabricated, acceleration construction period；Prefabricated prefabricated board can directly carry out artificial assembly, and construction is fast
Speed saves the duration, with good economic efficiency, while can avoid constructing under rugged environment；Although prestressing force assembled
Road surface improves fracture resistance in structure, and reduction resolves plate incidence, improves service ability of the road surface under harsh conditions,
But concrete flexural capacity, abrasive resistance do not improve, it is made the destructions such as superficial layer peeling, aggregate exposure easily occur；Concrete
Service life and structural life-time can not good match, therefore the concrete for developing highly resistance folding high abrasion is very necessary.
Invention content
The present invention provides that a kind of intensity height, crack resistance height, shock resistance, wearability is good, durability is good fills for prestressing force
Anti- folding, abrasion-proof concrete with formula road surface.
The technical solution adopted by the present invention is：A kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface, including
The component of following parts by weight：100 parts of cement, 5~10 parts of slag, 5~10 parts of flyash, 1~5 part of silicon ash, fine aggregate 200~
300 parts, 250~350 parts of coarse aggregate, 5~10 parts of swelling agent, 1.0~2.0 parts of water-reducing agent, 0.001~0.003 part of antifoaming agent, stream
Become 0.01~0.02 part of auxiliary agent, 0.1~0.5 part of polymer emulsion, 0.5~2 part of fiber, 5~10 parts of rubber powder, water 35~50
Part.
Further, the fine aggregate is one kind in river sand and Machine-made Sand；The coarse aggregate is limestone and basalt
In one kind.
Further, the swelling agent is calcium sulphoaluminate system swelling agent, calcium oxide system swelling agent and magnesia system swelling agent
In one kind, and wherein add 0.0001~0.0004 parts by weight flakey aluminium powder, aluminium powder fineness be not less than 150 mesh.
Further, the water-reducing agent is polycarboxylate water-reducer；The antifoaming agent is organic silicon antifoaming agent.
Further, the auxiliary rheological agents are carboxymethyl cellulose, hydroxymethyl cellulose, hydroxypropylcelluloether ether and poly- ammonia
One kind in ester lotion.
Further, the polymer emulsion is in polyacrylate, aqueous polyurethane, styrene-acrylic emulsion and styrene-butadiene emulsion
It is a kind of.
Further, the fiber is polypropylene fibre, one kind in polyethylene fibre, a diameter of 2~5 μm, length 2
~5cm.
Further, a kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface, includes the group of following parts by weight
Point：100 parts of cement, 8 parts of slag, 8 parts of flyash, 2 parts of silicon ash, 250 parts of fine aggregate, 300 parts of coarse aggregate, 7 parts of swelling agent, diminishing
1.5 parts of agent, 0.015 part of antifoaming agent, 0.015 part of auxiliary rheological agents, 0.3 part of polymer emulsion, 1.5 parts of fiber, 8 parts of rubber powder, water
45 parts.
The beneficial effects of the invention are as follows：
(1) concrete strength prepared by the present invention is high, crack resistance is good, shock resistance, wearability is high, durability is high；
(2) present invention 3d compression strength >=90MPa steam-cured under the conditions of 45 DEG C, 3d flexural strengths >=9.0MPa, shock resistance
Number >=4000 time (ACI-544 methods), rate of wear≤1.5kg/m2(JTG E30-2005 methods), freeze proof number >=500 time；
(3) present invention can be used for high speed, heavily loaded, extreme environment slab engineering, it can also be used to some other by tight
The structural key position impacted again.
Specific implementation mode
With reference to specific embodiment, the present invention will be further described.
A kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface includes the component of following parts by weight：Cement
100 parts, 5~10 parts of slag, 5~10 parts of flyash, 1~5 part of silicon ash, 200~300 parts of fine aggregate, 250~350 parts of coarse aggregate,
5~10 parts of swelling agent, 1.0~2.0 parts of water-reducing agent, 0.001~0.003 part of antifoaming agent, 0.01~0.02 part of auxiliary rheological agents, polymerization
0.1~0.5 part of object lotion, 0.5~2 part of fiber, 5~10 parts of rubber powder, 35~50 parts of water.
The present invention answers >=42.5MPa using P.O42.5 grades and the special portland cement of the above road, 28d compression strength,
28d flexural strengths answer >=8.5MPa, 28d abrasion loss that≤2.0%, 28d contract with dry rate is answered to answer≤0.1%；C in cement4AF mine phases
Have many advantages, such as lower shrinkage, highly resistance folding, high abrasion, high impact-resistant；Road silicate cement provides wherein C4The content of AF mine phases
Answer >=15%, C3The content of A mine phases answers≤5%；Anti- folding, the resistant abrasion ability of road cement is greatly improved, and then assigns
Concrete is with superperformance.
Using steel-making slag powder as mineral admixture, slag be steel-making discharge slag, be one kind by multi mineral and glassy state
The aggregate of material composition；Its main chemical compositions should be CaO, SiO2、MgO、Fe2O3、MnO、Al2O3And P2O5Deng；Main mine
Object mutually should be C3S and C2S, slag chemistry are more similar to mineralogical composition to cement；Slag has the advantages that high abrasion, concrete
5% or so slags of middle incorporation, abrasive resistance can be improved 50% or more.
The present invention mixes a certain amount of I grade of flyash, for the fine ash that power plant collects from flue gas, flyash mainly at
It is divided into high temperature wink cold vitrifying microballon, there is roller bearing, lubricating action, concrete water amount can be effectively reduced, and then reduces mixed
The dry of solidifying soil is shunk；Its volcano ash effect, dense packing effect effect can reduce concrete filtration coefficient simultaneously, be effectively improved interface
Transition region improves the volume stability and crack resistance of concrete；Inhibit alkali-aggregate reaction and steel bar corrosion, improves concrete
Durability.
The present invention mixes a certain amount of silicon ash, and silicon ash is ferroalloy works in smelting duriron and industrial silicon (metallic silicon) process
In, by a large amount of volatility SiO generated in electrothermal stove2With Si gases are oxidized, condensation, the product after precipitation, surface area answers
≥20000m2/ kg, activity index answer >=110%；It the advantages that using the bigger serface of silicon ash, high reaction activity, can effectively carry
The early strength of high concrete accelerates the mold turnaround speed and speed of application at scene, while tiny, fine and close excellent using its
Point effectively improves the final strength and durability of concrete.
Fine aggregate can be river sand or Machine-made Sand, and fineness modulus is 2.5~4.0；Coarse aggregate is that grain size is not more than 20mm
Limestone, basalt etc., wherein the parts 10~20mm must not be less than 25%；Its ingredient of swelling agent can be commercially available calcium sulphoaluminate
Expansion agent series or commercially available calcium oxide, magnesia expansion agent series, wherein 0.0001~0.0004 parts by weight scale of incorporation
Shape aluminium powder, aluminium powder fineness are not less than 150 mesh；Water-reducing agent its ingredient is polycarboxylate water-reducer, water-reducing rate >=25%, solid content >=
25%, shrinkage ratio answers≤110%；Its main component of antifoaming agent is organic silicon antifoaming agent, and main component is polyethers-silica
Alkyl copolymer；Auxiliary rheological agents its main components be commercially available carboxymethyl cellulose, hydroxymethyl cellulose, hydroxypropylcelluloether ether etc.,
Polyaminoester emulsion etc.；Its main component of polymer emulsion is commercial polypropylene acid esters, aqueous polyurethane, phenylpropyl alcohol, styrene-butadiene emulsion etc.；
Its main component of polymer emulsion is polyacrylate, aqueous polyurethane, phenylpropyl alcohol, styrene-butadiene emulsion etc.；Fiber its be mainly poly- third
Alkene fiber, vinal etc., a diameter of 2~5 μm, length is 2~5cm；Water is clean tap water or drinking water, performance
JGJ 63-2006 should be met《Concrete water standard》.
Optimize thick, fine aggregate grain composition in the present invention, is 10~20mm stones especially through grain size in control aggregate
Content improves concrete self-compaction and reinforcing bar through performance, while making to reach maximum dense packing between particle, improves concrete
Volume stability, reduce the shrinkage cracking of concrete.
Contain certain fineness and content in the swelling agent of addition, can effectively reduce the early-age shrinkage cracking of concrete, improve
Turgor of the concrete in die cavity, and achieve the purpose that compensation is shunk.
By adding polycarboxylate water-reducer, the mixing water amount of concrete is largely reduced, the hole of concrete is reduced
Gap rate is shunk with dry, high-strength to achieve the purpose that；Organic silicon defoamer is added, can still have higher disappear under strong basicity environment
Bubble ability can effectively reduce fresh concrete surface blister, and can reduce introduced bubble in concrete stirring, pumping procedure
Content；Select suitable auxiliary rheological agents, can reduce the bleeding occurred in concrete transportation, molding, process of vibrating, isolation, layering,
Blister increases the bleeding of concrete, reduces the micro-crack caused by interior bleeding；Using suitable polymer emulsion, by mixed
It forms a film in solidifying soil hardening, concrete water bleeding channel can be blocked, increase concrete malleable, reduce micro-crack and occur；Pass through addition
Staple fiber, fiber are acted on by its bridge joint, can reduce concrete cracking, increase elastic modulus of concrete performance.
Embodiment 1
A kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface includes the component of following parts by weight：Cement
100 parts, 5 parts of slag, 6 parts of flyash, 2 parts of silicon ash, 200 parts of fine aggregate, 270 parts of coarse aggregate, 5 parts of swelling agent, 1 part of water-reducing agent,
0.001 part of antifoaming agent, 0.01 part of auxiliary rheological agents, 0.2 part of polymer emulsion, 1 part of fiber, 5 parts of rubber powder, 40 parts of water.
Concrete obtains after being stirred evenly by the raw material of said ratio, and fresh mixing concrete property index is：The slump
85mm, apparent density 2410kg/m3, no isolation, no bleeding；Properties of hardened concrete index is：Concrete is steam-cured at 45 DEG C
3d compression strength >=95MPa, 28d compression strength >=95MPa, 28d flexural strengths answer >=10MPa, and 544 shock resistance numbers of ACI >=
3000 times, 56d concrete charge passes≤500C, 56d concrete antifreezings number (freezing method soon) >=F500.
Embodiment 2
A kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface includes the component of following parts by weight：Cement
100 parts, 8 parts of slag, 8 parts of flyash, 2 parts of silicon ash, 250 parts of fine aggregate, 300 parts of coarse aggregate, 7 parts of swelling agent, water-reducing agent 1.5
Part, 0.015 part of antifoaming agent, 0.015 part of auxiliary rheological agents, 0.3 part of polymer emulsion, 1.5 parts of fiber, 8 parts of rubber powder, 45 parts of water.
Concrete obtains after being stirred evenly by the raw material of said ratio, and fresh mixing concrete property index is：The slump
95mm, apparent density 2515kg/m3, no isolation, no bleeding；Properties of hardened concrete index is：Concrete is steam-cured at 45 DEG C
3d compression strength >=95MPa, 28d compression strength >=95MPa, 28d flexural strengths answer >=10MPa, and 544 shock resistance numbers of ACI >=
4000 times, 56d concrete charge passes≤500C, 56d concrete antifreezings number (freezing method soon) >=F500.
Embodiment 3
A kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface includes the component of following parts by weight：Cement
100 parts, 10 parts of slag, 9 parts of flyash, 8 parts of silicon ash, 300 parts of fine aggregate, 350 parts of coarse aggregate, 10 parts of swelling agent, water-reducing agent 2
Part, 0.002 part of antifoaming agent, 0.02 part of auxiliary rheological agents, 0.4 part of polymer emulsion, 2 parts of fiber, 10 parts of rubber powder, 50 parts of water.
Concrete obtains after being stirred evenly by the raw material of said ratio, and fresh mixing concrete property index is：The slump
90mm, apparent density 2720kg/m3, no isolation, no bleeding；Properties of hardened concrete index is：Concrete is steam-cured at 45 DEG C
3d compression strength >=100MPa, 28d compression strength >=100MPa, 28d flexural strengths answer >=12MPa, 544 shock resistance numbers of ACI
>=5000 times, 56d concrete charge passes≤500C, 56d concrete antifreezings number (freezing method soon) >=F500.
The present invention concrete has many advantages, such as high intensity, high cracking resistance, shock resistance, durable, the steam-cured 3d at 45 DEG C of height
Compression strength >=90MPa, 3d flexural strengths >=9.0MPa, shock resistance number >=4000 time (ACI-544 methods)；It can be used for heavy duty
Slab engineering, it can also be used to some other structural key position by serious impact.
Claims (10)
1. a kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface, which is characterized in that include the group of following parts by weight
Point：100 parts of cement, 5~10 parts of slag, 5~10 parts of flyash, 1~5 part of silicon ash, 200~300 parts of fine aggregate, coarse aggregate 250
~350 parts, 5~10 parts of swelling agent, 1.0~2.0 parts of water-reducing agent, 0.001~0.003 part of antifoaming agent, auxiliary rheological agents 0.01~
0.02 part, 0.1~0.5 part of polymer emulsion, 0.5~2 part of fiber, 5~10 parts of rubber powder, 35~50 parts of water.
2. a kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface according to claim 1, feature exist
In the fine aggregate is one kind in river sand and Machine-made Sand；The coarse aggregate is one kind in limestone and basalt.
3. a kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface according to claim 1, feature exist
In, the swelling agent is one kind in calcium sulphoaluminate system swelling agent, calcium oxide system swelling agent and magnesia system swelling agent, and its
0.0001~0.0004 parts by weight flakey aluminium powder of middle addition, aluminium powder fineness are not less than 150 mesh.
4. a kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface according to claim 1, feature exist
In the water-reducing agent is polycarboxylate water-reducer；The antifoaming agent is organic silicon antifoaming agent.
5. a kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface according to claim 1, feature exist
In the auxiliary rheological agents are one in carboxymethyl cellulose, hydroxymethyl cellulose, hydroxypropylcelluloether ether and polyaminoester emulsion
Kind.
6. a kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface according to claim 1, feature exist
In the polymer emulsion is one kind in polyacrylate, aqueous polyurethane, styrene-acrylic emulsion and styrene-butadiene emulsion.
7. a kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface according to claim 1, feature exist
In the fiber is one kind in polypropylene fibre, polyethylene fibre, and a diameter of 2~5 μm, length is 2~5cm.
8. a kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface according to claim 1, feature exist
In including the component of following parts by weight：100 parts of cement, 8 parts of slag, 8 parts of flyash, 2 parts of silicon ash, 250 parts of fine aggregate, thick bone
Material 300 parts, 7 parts of swelling agent, 1.5 parts of water-reducing agent, 0.015 part of antifoaming agent, 0.015 part of auxiliary rheological agents, 0.3 part of polymer emulsion,
1.5 parts of fiber, 8 parts of rubber powder, 45 parts of water.
9. a kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface according to claim 1, feature exist
In including the component of following parts by weight：100 parts of cement, 8 parts of slag, 8 parts of flyash, 2 parts of silicon ash, 250 parts of fine aggregate, thick bone
Material 300 parts, 7 parts of swelling agent, 1.5 parts of water-reducing agent, 0.015 part of antifoaming agent, 0.015 part of auxiliary rheological agents, 0.3 part of polymer emulsion,
1.5 parts of fiber, 8 parts of rubber powder, 45 parts of water.
10. a kind of anti-folding, abrasion-proof concrete for prestressing force assembled road surface according to claim 1, feature exist
In including the component of following parts by weight：100 parts of cement, 10 parts of slag, 9 parts of flyash, 8 parts of silicon ash, 300 parts of fine aggregate, thick bone
350 parts of material, 10 parts of swelling agent, 2 parts of water-reducing agent, 0.002 part of antifoaming agent, 0.02 part of auxiliary rheological agents, 0.4 part of polymer emulsion, fibre
2 parts of dimension, 10 parts of rubber powder, 50 parts of water.
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Cited By (9)
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| CN109053091A (en) * | 2018-10-13 | 2018-12-21 | 湖北安达泰建设工程有限公司 | A kind of road surface strong concrete |
| CN109336485A (en) * | 2018-12-18 | 2019-02-15 | 中建西部建设(天津)有限公司 | A kind of high-strength corrosion-resistant erosion underplate concrete |
| CN109400074A (en) * | 2018-12-20 | 2019-03-01 | 石家庄市矿区宏源混凝土搅拌有限公司 | A kind of energy conservation anti-crack concrete |
| CN112250381A (en) * | 2020-10-12 | 2021-01-22 | 中国三峡建设管理有限公司 | High-strength high-crack-resistance anti-abrasion concrete with basalt excavating material as aggregate and preparation method thereof |
| CN112430024A (en) * | 2020-11-20 | 2021-03-02 | 杭州三中新型建材科技有限公司 | Prestressed concrete and preparation process thereof |
| CN112939534A (en) * | 2021-02-02 | 2021-06-11 | 青岛建一混凝土有限公司 | Anti-abrasion and anti-corrosion concrete and preparation method thereof |
| CN115010430A (en) * | 2022-05-31 | 2022-09-06 | 琼海鑫海混凝土有限公司 | Water-based concrete with improved durability and preparation method thereof |
| CN115504725A (en) * | 2022-09-14 | 2022-12-23 | 宝武环科(湛江)资源循环利用有限公司 | Cementing material with biological aggregation-long-acting service coordination type and preparation method thereof |
| CN116425447A (en) * | 2023-04-12 | 2023-07-14 | 保利长大工程有限公司 | Rheological agent and preparation method thereof, cable tower concrete and preparation method thereof |
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| CN109400074A (en) * | 2018-12-20 | 2019-03-01 | 石家庄市矿区宏源混凝土搅拌有限公司 | A kind of energy conservation anti-crack concrete |
| CN112250381A (en) * | 2020-10-12 | 2021-01-22 | 中国三峡建设管理有限公司 | High-strength high-crack-resistance anti-abrasion concrete with basalt excavating material as aggregate and preparation method thereof |
| CN112430024A (en) * | 2020-11-20 | 2021-03-02 | 杭州三中新型建材科技有限公司 | Prestressed concrete and preparation process thereof |
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| CN115010430A (en) * | 2022-05-31 | 2022-09-06 | 琼海鑫海混凝土有限公司 | Water-based concrete with improved durability and preparation method thereof |
| CN115504725A (en) * | 2022-09-14 | 2022-12-23 | 宝武环科(湛江)资源循环利用有限公司 | Cementing material with biological aggregation-long-acting service coordination type and preparation method thereof |
| CN115504725B (en) * | 2022-09-14 | 2023-09-22 | 宝武环科(湛江)资源循环利用有限公司 | Biological aggregation-long-acting service cooperative cementing material and preparation method thereof |
| CN116425447A (en) * | 2023-04-12 | 2023-07-14 | 保利长大工程有限公司 | Rheological agent and preparation method thereof, cable tower concrete and preparation method thereof |
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