CN106045419B - A kind of elastic concrete - Google Patents
A kind of elastic concrete Download PDFInfo
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- CN106045419B CN106045419B CN201610378029.2A CN201610378029A CN106045419B CN 106045419 B CN106045419 B CN 106045419B CN 201610378029 A CN201610378029 A CN 201610378029A CN 106045419 B CN106045419 B CN 106045419B
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- elastic concrete
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/50—Flexible or elastic materials
- C04B2111/503—Elastic materials
-
- 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)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a kind of elastic concrete, after solving existing elastic concrete due to addition elastomeric material, the problem of its compression strength reduces.Technical scheme is a kind of elastic concrete, includes the component of following parts by weight：150 ~ 180 parts of polyurethanes；20 ~ 40 parts of cement；2 ~ 8 parts of sandstone；5 ~ 10 parts of ground pigment；10 ~ 20 parts of polytetrafluoroethylene (PTFE)；3 ~ 8 parts of antioxidant；MgF2 2 ~ 12 parts, the elastic concrete of the present invention has excellent elasticity, compressive property, scratch-resistant performance and antioxygenic property, in addition, when being filled in using the elastic concrete of the present invention in the expansion joint of building, building has excellent free deformation ability and impact resistant capability at expansion joint.
Description
Technical field
The present invention relates to a kind of build to stitch thin inserts, more particularly to a kind of elastic concrete.
Background technology
As our materials flow economys develop rapidly, transport undertaking is advanced by leaps and bounds, the transport hub day such as highway, bridge and track
Benefit is perfect and sound.Wherein expansion joint is very important part in transport structure, such as in bridge construction, bridge
Expansion joint ensure bridge can Free Transform, and vehicle is smoothed out and is passed through at expansion joint setting.But long-term practice
Show, be added to using concrete of the prior art in expansion joint, known, concrete has the characteristics of compression strength is big, but
It is its lacking toughness, rupture strength is low.Therefore bridge expanssion joint is in frequently carrying weight or frequently by under weight, surface
Easily occur being cracked and damaged, cause builder to need continually to carry out studying for a second time courses one has flunked processing to expansion joint.
Therefore patent publication No. is that CN1699256 patent discloses a kind of compound additive of high-strength elastic concrete,
It is mixed with concrete and inserted into the building expansion joints such as bridge, increases toughness, but the rubber powder in additive is mixed
When measuring larger, compression strength of the building at expansion joint has been had a strong impact on, and its rubber grain volume is no more than 6%, builds
Elastic force at expansion joint is small, is difficult to return to original flatness after being produced depression by weight deformation.
Based on modern people to the demand of transport hub high quality, it is necessary to propose a kind of new inserts at expansion joint.
The content of the invention
In view of the deficienciess of the prior art, the first object of the present invention is to provide a kind of elastic concrete, by adopting
Made it have with polyurethane is standby under good elastic performance, recycle sandstone, polytetrafluoroethylene (PTFE) and MgF2And other components
So that the elastic concrete of the present invention has excellent compressive property.
To achieve the above object, the invention provides following technical scheme：A kind of elastic concrete, including following parts by weight
Component：
It is of the invention further：The polyurethanes by aromatic polyisocyanate and PEPA polymerization and
Into, and it is used as solvent by acetone.
It is of the invention further：The sandstone includes microlith and fine sand, by weight percentage, the microlith 20%~
40%；The fine sand 60%~80%.
It is of the invention further：The microlith selects fillet microlith.
It is of the invention further：The ground pigment includes talcum powder and carbon fiber, in parts by weight：The talcum powder
2~5 parts；1~3 part of the carbon fiber.
It is of the invention further：The antioxidant is B4C and magnesium metal mixture.
Pass through above-mentioned technical proposal：Aromatic polyisocyanate and PEPA can occur polymerisation and generate poly- ammonia
Raw material of the ester as elastic concrete, instead of rubber grain as raw material, polyurethane is a kind of high polymer material, first, is had
The more excellent restoration than rubber, after the elastic concrete that can ensure to prepare is filled in expansion joint, building is located at expansion joint
Place has a preferable deformability, vehicle can smoothly by expansion joint at；Furthermore the preferable wearability of polyurethane and preferably
Weatherability so that elastic concrete has longer service life；Acetone is as solvent, it is possible to increase aromatic series polyisocyanic acid
The solubility of ester and PEPA is more than both acetone solvents intermolecular contacts and wide so that reaction more thoroughly completely, carries
The utilization rate of high polyurethane reaction raw material；Meanwhile acetone is a kind of readily volatilized gas again, when aromatic polyisocyanate and
After PEPA reaction completely, unnecessary acetone volatilizes the polyurethane without being present in synthesis as impurity in reaction dissolvent
In solution, thus mixed without interference with subsequent polyurethane with other raw materials.
The elastic concrete that sandstone advantageously forms has certain compressive resistance and hardness, using fine sand and uses more
Amount, can just itself and cement or other raw materials be stirred by being advantageous to the less stirring dynamics of staff's application, it is not necessary to
It is strong to vibrate, reach the effect that elastic concrete is easy to prepare, and the elastic concrete containing fine sand has well
Density, it will not be cracked under external force weight as inserting after material is inserted into expansion joint.
Fillet microlith is reduced and mixed being stirred with raw materials such as cement relative to common microlith surface smoother
When each other caused by rub, be advantageous to the flowing between each component, reach the effect being well mixed between each component, while will not break
The immanent structure and external pattern of bad polyurethane or ground pigment so that each component has original characteristic.
Talcum powder and carbon fiber can replace cement, in the case of reducing cement consumption, compared to cement as filler
With hardness it is big the characteristics of, after certain cement raw material, increase the hardness of elastic concrete, sharp objects can be kept out
Collision；Also there is the characteristics of particle diameter is small simultaneously, its specific surface area is big, under the dosage equal with cement, between each component
Contact area it is big, surface free energy is high, between being attached on each component, improves the density of elastic concrete.
B4C and magnesium metal are present in elastic concrete as antioxidant, B4C can react generation with oxygen
B2O3, while magnesium can be with B under certain hot conditions2O3The generation magnesium of boric acid three forms the oxide film protection layer of densification, so as to
The polyurethane in air oxidation elastic concrete is blocked, the present invention is sprayed using flame gun to the elastic concrete after filling
Fire, its surface is set to form protective layer.
MgF2As a kind of wearability monocrystal, it is mixed and stirred for being processed into concrete with raw materials such as cement, stirred
It will not be dissolved in journey, will not more react with other raw materials, be dispersed in graininess in elastic concrete.It is elastic in expansion joint
During concrete deformation, MgF2Its free deformation will not be hindered, ensures characteristic of the elastic concrete as the inserts at expansion joint, instead
And due to MgF2It is present in sandstone either between cement so that sandstone or cement have gap each other, reduces contact surface
Product, therefore even if sandstone or cement produce extruding during deformation, mutual frictional force is also smaller.
It is of the invention further：Also include 4~8 parts of anti-wear agent, the anti-wear agent is polyformaldehyde.
Pass through above-mentioned technical proposal：The high comprehensive performance of polyformaldehyde, in terms of especially showing anti-wear performance, because it is with gathering
Urethane has certain compatibility, and both be mutually dissolved to be formed it is intermolecular after one can react, due to polyurethane
On ester group can be attracted each other with the hydrogen atom of polyformaldehyde, so as to enhance the interaction force between molecule layer interface, strengthen
The bonding at interface, frequently rubbed even if being advantageous to elastic concrete, also will not cause elasticity because of overtension between interface
Concrete wear and tear；The polyurethane of this programme and the collective effect of polytetrafluoroethylene (PTFE) further increase the wear-resisting of elastic concrete
Property, the service life of elastic concrete is extended.
It is of the invention further：Also include 2~5 parts of bulking agent, the bulking agent is maleic anhydride inoculated polypropylene.
Pass through above-mentioned technical proposal：It is a kind of reactive compatibilizer by maleic anhydride inoculated polypropylene, in process
In can with polyurethane reaction, between out of phase molecule layer interface formed chemical crosslinking point, bulking agent be compatible to polyurethane it
Between be present in elastic concrete system so that elastic concrete easily recovers after deforming upon, and improves the stability of form,
Improve the mechanical property of elastic concrete.
It is of the invention further：The aromatic polyisocyanate and PEPA are stirred using metering, during reaction
Acetone solvent is added, after reaction completely, 24~36 hours is stood and produces polyurethane.
Pass through above-mentioned technical proposal：It can be realized by electrical control to aromatic polyisocyanate and PEPA
Automatic gauge, so as to improve proportioning accuracy, the performance of the polyurethane of synthesis is lifted, reduces the waste of material so that prepare elasticity
The technique of concrete more high-efficiency environment friendly.
It is of the invention further：Adjusted using soda ash in the range of the pH to 3.5~6.0 of the acetone solvent.
Pass through above-mentioned technical proposal：, will be molten because synthesis aromatic polyisocyanate and PEPA are reversible reactions
The pH value of agent acetone is adjusted in acid range, can promote aromatic polyisocyanate and the positive progress of PEPA, instead
Thing is answered to level off to complete reaction.
The elastic concrete of the present invention, has excellent elasticity, compressive property, scratch-resistant performance and antioxygenic property, together
When using the present invention elastic concrete be filled in the expansion joint of building when, building has excellent free deformation at expansion joint
Ability and impact resistant capability.In addition, synthesize the present invention elastic concrete each raw material components between can play collaboration
Effect, its combination synergy are：
(1) stable and uniform body is formed by cement, microlith, fillet microlith and polyurethanes elastic concrete
System so that the stable uniform when being filled at building expansion joint；
(2) it is not easy to be worn by talcum powder, carbon fiber, polyformaldehyde and polytetrafluoroethylene (PTFE) elastic concrete, because
This building thickness when being rubbed by weight the expansion joint director phase will not reduce；
(3) inoxidizability of elastic concrete has been respectively increased with magnesium metal and tung oil maleic anhydride inoculated polypropylene by B4C
And morphological stability, reach optimal by the mechanical property of both and above-mentioned synergy elastic concrete.
Embodiment
Cement in embodiment 1~9 and comparative example 1 and 2 uses portland cement of the intensity for 42.5R.Embodiment 1
~6 is as solvent and molten using sodium hydroxide as reaction raw materials, acetone using aromatic polyisocyanate and PEPA
Liquid adjusts solvent pH to 4.8, carries out measuring the obtained polyurethane of stirring reaction using powder mixed powder mixer.
Embodiment 1
The each component and its parts by weight of a kind of elastic concrete of the embodiment 1 of form 1
| Component | Number (part) | Component | Number (part) |
| Polyurethanes | 150 | Fine sand | 6 |
| Cement | 20 | Polytetrafluoroethylene (PTFE) | 6 |
| Fillet microlith | 13 | / | / |
Embodiment 2
The each component and its parts by weight of a kind of elastic concrete of the embodiment 2 of form 2
| Component | Number (part) | Component | Number (part) |
| Polyurethanes | 180 | Fine sand | 7 |
| Cement | 40 | Polytetrafluoroethylene (PTFE) | 4 |
| Fillet microlith | 10 | MgF2 | 0.6 |
Embodiment 3
The each component and its parts by weight of a kind of elastic concrete of the embodiment 3 of form 3
| Polyurethanes | 170 | Polytetrafluoroethylene (PTFE) | 4.3 |
| Cement | 35 | MgF2 | 1.5 |
| Fillet microlith | 11 | Talcum powder | 4 |
| Fine sand | 6 | Carbon fiber | 3.2 |
Embodiment 4
The each component and its parts by weight of a kind of elastic concrete of the embodiment 4 of form 4
| Component | Number (part) | Component | Number (part) |
| Polyurethanes | 172 | MgF2 | 0.6 |
| Cement | 33 | Talcum powder | 4.4 |
| Fillet microlith | 12 | Carbon fiber | 2.5 |
| Fine sand | 5 | Polyformaldehyde | 6 |
| Polytetrafluoroethylene (PTFE) | 6.3 | / | / |
Embodiment 5
The each component and its parts by weight of a kind of elastic concrete of the embodiment 5 of form 5
| Component | Number (part) | Component | Number (part) |
| Polyurethanes | 180 | MgF2 | 1.0 |
| Cement | 32 | Talcum powder | 4.8 |
| Fillet microlith | 10 | Carbon fiber | 2.8 |
| Fine sand | 7 | Polyformaldehyde | 6 |
| Polytetrafluoroethylene (PTFE) | 5.6 | Maleic anhydride inoculated polypropylene | 3 |
Embodiment 6
The each component and its parts by weight of a kind of elastic concrete of the embodiment 6 of form 6
| Component | Number (part) | Component | Number (part) |
| Polyurethanes | 180 | Talcum powder | 4 |
| Cement | 32 | Carbon fiber | 3.6 |
| Fillet microlith | 15 | Polyformaldehyde | 6 |
| Fine sand | 5 | Maleic anhydride inoculated polypropylene | 4.5 |
| Polytetrafluoroethylene (PTFE) | 6.3 | B4C | 0.5 |
| MgF2 | 1.2 | Magnesium metal | 0.4 |
In embodiment 6, elastic concrete carries out 1200 degrees Celsius of flames to it using flame gun after preparing and handled.
Embodiment 7：Component same as Example 6 and its parts by weight are taken to prepare elastic concrete, it is more using aromatic series
As reaction raw materials, acetone adjusts solvent pH to 9 as solvent and using sodium hydroxide solution for isocyanates and PEPA,
Carry out measuring the obtained polyurethane of stirring reaction using powder mixed powder mixer.
Embodiment 8：Component same as Example 6 and its parts by weight are taken to prepare elastic concrete, it is more using aromatic series
Isocyanates and PEPA as reaction raw materials, acetone as solvent and using sodium hydroxide solution adjust solvent pH to
3.5, carry out measuring the obtained polyurethane of stirring reaction using powder mixed powder mixer.
Embodiment 9：Component same as Example 6 and its parts by weight are taken to prepare elastic concrete, it is more using aromatic series
As reaction raw materials, acetone adjusts solvent pH to 6 as solvent and using sodium hydroxide solution for isocyanates and PEPA,
Carry out measuring the obtained polyurethane of stirring reaction using powder mixed powder mixer.
Comparative example 1
The comparative example of form 7：The each component and its parts by weight of a kind of elastic concrete
| Component | Number (part) | Component | Number (part) |
| Rubber | 200 | Fine sand | 7 |
| Cement | 30 | Polytetrafluoroethylene (PTFE) | 4 |
| Fillet microlith | 10 | / | / |
Comparative example 2
The comparative example of form 8：The each component and its parts by weight of a kind of elastic concrete
| Component | Number (part) | Component | Number (part) |
| Polyurethanes | 160 | Common sandstone | 7 |
| Cement | 80 | / | / |
Product property characterizes：The elastic concrete obtained by above-described embodiment and comparative example preparation formula and method
20 block concrete samples are taken respectively, measure its modulus of elasticity, compression strength and abrasion-resistant intensity, record its average value and its mark
It is accurate poor.As a result as shown in table 9,
Form 9：The performance parameter of elastic concrete
It can draw, the elastic concrete prepared by the present invention that there is preferable elastic performance, resist by above-mentioned data
Performance and anti-wear performance are pressed, while the uniformity of its performance is preferable.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of elastic concrete, it is characterised in that include the component of following parts by weight：
150 ~ 180 parts of polyurethanes；
20 ~ 40 parts of cement；
8 ~ 20 parts of sandstone；
5 ~ 10 parts of ground pigment；
3 ~ 8 parts of polytetrafluoroethylene (PTFE)；
0.2 ~ 1.2 part of antioxidant；
MgF20.6 ~ 1.5 part；
The polyurethanes is polymerized by aromatic polyisocyanate and PEPA, and its be used as by acetone it is molten
Agent；The antioxidant is B4C and magnesium metal mixture；Also include 2 ~ 5 parts of bulking agent, the bulking agent is maleic anhydride
Graft polypropylene.
A kind of 2. elastic concrete according to claim 1, it is characterised in that the sandstone includes microlith and fine sand, with
Percentage by weight meter, the microlith 20% ~ 40%；The fine sand 60% ~ 80%.
3. a kind of elastic concrete according to claim 2, it is characterised in that the microlith selects fillet microlith.
A kind of 4. elastic concrete according to claim 3, it is characterised in that the ground pigment include talcum powder and
Carbon fiber, in parts by weight：2 ~ 5 parts of the talcum powder；1 ~ 3 part of the carbon fiber.
A kind of 5. elastic concrete according to claim 1, it is characterised in that also include 4 ~ 8 parts of anti-wear agent, it is described resistance to
Grinding agent is polyformaldehyde.
6. a kind of elastic concrete according to claim 1, it is characterised in that the aromatic polyisocyanate and polyester
Polyalcohol is stirred using metering, and acetone solvent is added during reaction, after reaction completely, is stood 24 ~ 36 hours and is produced poly- amino first
Acid esters.
7. a kind of elastic concrete according to claim 6, it is characterised in that adjust the acetone solvent using soda ash
In the range of pH to 3.5 ~ 6.0.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610378029.2A CN106045419B (en) | 2016-05-31 | 2016-05-31 | A kind of elastic concrete |
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| CN201610378029.2A CN106045419B (en) | 2016-05-31 | 2016-05-31 | A kind of elastic concrete |
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| CN106045419B true CN106045419B (en) | 2017-11-14 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106746988A (en) * | 2016-12-14 | 2017-05-31 | 东北林业大学 | Polyurethane cement composite with pressure-sensitive character and its preparation method and application |
| CN109437764B (en) * | 2018-12-20 | 2019-10-22 | 苏州清溪环保科技有限公司 | A kind of feed preparation process and its special agitating apparatus of anticorrosive concrete structure |
| CN115849809A (en) * | 2022-11-30 | 2023-03-28 | 常州市水利规划设计院有限公司 | Compression-resistant pervious concrete and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100113832A (en) * | 2009-04-14 | 2010-10-22 | 진도화성주식회사 | Elastic floor materials for bicycle road |
| CN102432330A (en) * | 2011-09-16 | 2012-05-02 | 上海浦莲预拌混凝土有限公司 | Earthquake-resistant and pressure-resistant concrete and preparation method thereof |
| CN103936367A (en) * | 2014-02-27 | 2014-07-23 | 水利部交通运输部国家能源局南京水利科学研究院 | Heat-sensitive material modified concrete, prefabricated part of modified concrete and preparation method for cast-in-place of modified concrete |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100113832A (en) * | 2009-04-14 | 2010-10-22 | 진도화성주식회사 | Elastic floor materials for bicycle road |
| CN102432330A (en) * | 2011-09-16 | 2012-05-02 | 上海浦莲预拌混凝土有限公司 | Earthquake-resistant and pressure-resistant concrete and preparation method thereof |
| CN103936367A (en) * | 2014-02-27 | 2014-07-23 | 水利部交通运输部国家能源局南京水利科学研究院 | Heat-sensitive material modified concrete, prefabricated part of modified concrete and preparation method for cast-in-place of modified concrete |
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