CN106673567A - High-performance concrete - Google Patents
High-performance concrete Download PDFInfo
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- CN106673567A CN106673567A CN201610878359.8A CN201610878359A CN106673567A CN 106673567 A CN106673567 A CN 106673567A CN 201610878359 A CN201610878359 A CN 201610878359A CN 106673567 A CN106673567 A CN 106673567A
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Classifications
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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
- C04B28/08—Slag cements
- C04B28/082—Steelmaking slags; Converter slags
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to the technical field of concrete, and particularly relates to high-performance concrete. The high-performance concrete is composed of the following components in parts by weight: 400-550 parts of cementing materials, 1000-1200 parts of coarse aggregates, 600-750 parts of fine aggregates, 4-6 parts of a compound water reducing agent, 0.02-0.06 parts of triterpenoid saponin in camellia oleifera and 140-150 parts of water. The concrete provided by the invention has advantages of high workability, high volume stability, high durability and the like.
Description
Technical field
The present invention relates to technical field of concrete, more particularly to a kind of application property is good, volume stability is good, good endurance
High performance concrete.
Background technology
Concrete, referred to as " concrete (t ó ng) ", refer to the cementing integral engineered composite material of aggregate by Binder Materials
General designation.The concrete generally said to be referred to and make Binder Materials, sand, masonry aggregate with cement；(additive and blending can be contained with water
Material) coordinate by a certain percentage, it is agitated obtained by cement concrete, also referred to as normal concrete, it is widely used in civil engineering.
With the fast development of building industry, workability, intensity to the concrete used in building course and durable
Performance requirement is improved constantly.The application property of concrete, volume stability and durability need further to carry in prior art
Height, and the development of innovative cement formula causes acquisition high performance concrete to be possibly realized.
The content of the invention
In order to solve problem present in above-mentioned technology, it is an object of the invention to provide a kind of application property is good, volume is steady
The high performance concrete of qualitative good, good endurance.
To realize above-mentioned technical purpose, the present invention adopts following technical scheme：
A kind of high performance concrete, is made up of the component of following parts by weight：400~550 parts of Binder Materials, coarse aggregate
1000~1200 parts, 600~750 parts of fine aggregate, 4~6 parts of composite water-reducing agent, 0.02~0.06 part of oil tea triterpenoid saponin, water 140
~150 parts.
Wherein, the Binder Materials by 50~60 weight portion strength grades not less than 42.5 grades common portland cement,
15~20 weight part ratio surface areas are not less than 400kg/m3Regeneration concrete micro mist, 25~30 weight portion steel-making slag powders composition.
The composite water-reducing agent by 80~100 weight portion molecular levels 2400~5000 methacrylic polyoxyethylene
Ether, 5~8 parts by weight of acrylic acid hydroxyl ethyl esters, 10~15 parts by weight of acrylic acid, 0.2~0.5 weight portion mercaptopropionic acid, 0.1~0.5
Weight portion ascorbic acid, the hydrogenperoxide steam generator of 0.4~1 weight portion mass concentration 25~35%, 10~15 weight portion quality are dense
The sodium hydroxide solution of degree 30~35%, 20~40 weight portion sodium gluconates, 1~2 weight portion organic silicon defoamer and 800~
850 weight portion soft water are constituted.
The preparation technology of the composite water-reducing agent is as follows：
(1) each raw material components are got out by said ratio；By methyl allyl polyoxyethylene ether, hydroxy-ethyl acrylate, have
In machine silicon defoaming agent, 70 weight portion soft water input reactor, hydrogenperoxide steam generator is stirred and added, make solution temperature in reactor
Warm naturally to 43~47 DEG C；
(2) acrylic acid and 40 weight portion soft water are configured into solution I；By mercaptopropionic acid, ascorbic acid and 90 weight portion water
It is configured to solution II；
It is stable after 43~47 DEG C after solution temperature in kettle, start that solution I and solution II is added dropwise into kettle；Solution I and molten
After the completion of dropping of liquid II, continue insulation reaction 50~60 minutes；
(3) step (2) product is neutralized into pH value for 6 with sodium hydroxide solution；
(4) product after neutralization, sodium gluconate and remaining soft water are configured into solid masses content for 14~
16% composite water-reducing agent.
Preferably, in step (2), the time for adding of solution I is 180 minutes, the time for adding of solution II is 210 minutes.
Compared with prior art, the inventive method has at least following beneficial effect：
(1) present invention composite water-reducing agent water-reducing rate used is more than 30%, and decrement reaches more than 25%, and concrete initially collapses
Degree of falling reaches 220~230mm, and 1 hour slump-loss is less than 15mm, therefore, this concrete has high workability (height construction
Property).
(2) present invention is cement components from regeneration concrete micro mist, the Self-curing effect that regenerative micro powder has, with
Composite water-reducing agent reduces effect, is remarkably improved the early strong cracking resistance of concrete, therefore, this concrete has high volume stability
Property.
(3) spread ratio that oil tea triterpenoid saponin is introduced into the bubble in concrete is 0.2~0.3mm, and concrete is undergoing
Relative dynamic elastic modulus retention rate after 200 Frozen-thawed cycleds be more than 90%, therefore, this concrete has high-durability.
Specific embodiment
With reference to embodiment, the present invention is expanded on further.In the following detailed description, only retouched by way of explanation
Some one exemplary embodiments of the present invention are stated.Undoubtedly, one of ordinary skill in the art will recognize, without departing from
In the case of the spirit and scope of the present invention, can be being modified to described embodiment with a variety of modes.
Embodiment 1
A kind of high performance concrete, is made up of the component of following parts by weight：400 parts of Binder Materials, 1000 parts of coarse aggregate,
600 parts of fine aggregate, 4 parts of composite water-reducing agent, 0.02 part of oil tea triterpenoid saponin, 140 parts of water.
Wherein, common portland cement, 15 weights of the Binder Materials by 50 weight portion strength grades not less than 42.5 grades
Amount part specific surface area is not less than 400kg/m3Regeneration concrete micro mist, 25 weight portion steel-making slag powders composition；Coarse aggregate and fine aggregate
Can no longer be described in detail using well known materials in prior art.
Methyl allyl polyoxyethylene ether, 5 weights of the composite water-reducing agent by 80 weight portion molecular levels 2400~5000
Amount part hydroxy-ethyl acrylate, 10 parts by weight of acrylic acid, 0.2 weight portion mercaptopropionic acid, 0.1 weight portion ascorbic acid, 0.4 weight portion
The hydrogenperoxide steam generator of mass concentration 25~35%, the sodium hydroxide solution of 10 weight portion mass concentrations 30~35%, 20 weight
Part sodium gluconate, 1 weight portion organic silicon defoamer and 800 weight portion soft water composition.
The preparation technology of the composite water-reducing agent is as follows：
(1) each raw material components are got out by said ratio；By methyl allyl polyoxyethylene ether, hydroxy-ethyl acrylate, have
In machine silicon defoaming agent, 70 weight portion soft water input reactor, hydrogenperoxide steam generator is stirred and added, make solution temperature in reactor
Warm naturally to 43~47 DEG C；
(2) acrylic acid and 40 weight portion soft water are configured into solution I；By mercaptopropionic acid, ascorbic acid and 90 weight portion water
It is configured to solution II；
It is stable after 43~47 DEG C after solution temperature in kettle, start that solution I and solution II is added dropwise into kettle；Control solution I
Time for adding is 180 minutes, and the time for adding of solution II is 210 minutes；After solution I and the completion of dropping of solution II, continue to be incubated instead
Answer 50~60 minutes；
(3) step (2) product is neutralized into pH value for 6 with sodium hydroxide solution；
(4) product after neutralization, sodium gluconate and remaining soft water are configured into composite water-reducing agent.
Embodiment 2
A kind of high performance concrete, is made up of the component of following parts by weight：500 parts of Binder Materials, 1100 parts of coarse aggregate,
650 parts of fine aggregate, 5 parts of composite water-reducing agent, 0.04 part of oil tea triterpenoid saponin, 144 parts of water.
Wherein, common portland cement, 18 weights of the Binder Materials by 55 weight portion strength grades not less than 42.5 grades
Amount part specific surface area is not less than 400kg/m3Regeneration concrete micro mist, 28 weight portion steel-making slag powders composition.
Methyl allyl polyoxyethylene ether, 7 weights of the composite water-reducing agent by 90 weight portion molecular levels 2400~5000
Amount part hydroxy-ethyl acrylate, 12 parts by weight of acrylic acid, 0.4 weight portion mercaptopropionic acid, 0.3 weight portion ascorbic acid, 0.7 weight portion
The hydrogenperoxide steam generator of mass concentration 25~35%, the sodium hydroxide solution of 12 weight portion mass concentrations 30~35%, 30 weight
Part sodium gluconate, 1.5 weight portion organic silicon defoamers and 820 weight portion soft water composition.
The preparation technology of composite water-reducing agent refer to embodiment 1, and here is no longer described in detail.
Embodiment 3
A kind of high performance concrete, is made up of the component of following parts by weight：550 parts of Binder Materials, 1200 parts of coarse aggregate,
750 parts of fine aggregate, 6 parts of composite water-reducing agent, 0.06 part of oil tea triterpenoid saponin, 150 parts of water.
Wherein, common portland cement, 20 weights of the Binder Materials by 60 weight portion strength grades not less than 42.5 grades
Amount part specific surface area is not less than 400kg/m3Regeneration concrete micro mist, 30 weight portion steel-making slag powders composition.
Methyl allyl polyoxyethylene ether, 8 weights of the composite water-reducing agent by 100 weight portion molecular levels 2400~5000
Amount part hydroxy-ethyl acrylate, 15 parts by weight of acrylic acid, 0.5 weight portion mercaptopropionic acid, 0.5 weight portion ascorbic acid, 1 weight portion matter
Hydrogenperoxide steam generator, the sodium hydroxide solution of 15 weight portion mass concentrations 30~35%, 40 weight portions of amount concentration 25~35%
Sodium gluconate, 2 weight portion organic silicon defoamers and 850 weight portion soft water composition.
Jing actual Concretes experiment, the concrete initial slump prepared by the present invention reaches 220~230mm, and 1
Hour slump-loss is respectively less than 15mm, with good application property, volume stability and durability.
Schematically specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, done equivalent variations and modification on the premise of the design without departing from the present invention and principle,
The scope of protection of the invention should be belonged to.
Claims (5)
1. a kind of high performance concrete, it is characterised in that be made up of the component of following parts by weight：Binder Materials 400~550
Part, 1000~1200 parts of coarse aggregate, 600~750 parts of fine aggregate, 4~6 parts of composite water-reducing agent, oil tea triterpenoid saponin 0.02~
0.06 part, 140~150 parts of water.
2. high performance concrete as claimed in claim 1, it is characterised in that：The Binder Materials is by 50~60 weight portion intensity
Common portland cement, 15~20 weight part ratio surface areas of the grade not less than 42.5 grades are not less than 400kg/m3Regeneration coagulation
Native micro mist, 25~30 weight portion steel-making slag powders composition.
3. high performance concrete as claimed in claim 1, it is characterised in that：The composite water-reducing agent is by 80~100 weight portions
The methyl allyl polyoxyethylene ether of molecular level 2400~5000,5~8 parts by weight of acrylic acid hydroxyl ethyl esters, 10~15 weight portions
Acrylic acid, 0.2~0.5 weight portion mercaptopropionic acid, 0.1~0.5 weight portion ascorbic acid, 0.4~1 weight portion mass concentration 25~
35% hydrogenperoxide steam generator, the sodium hydroxide solution of 10~15 weight portion mass concentrations 30~35%, 20~40 weight portion Portugals
Grape sodium saccharate, 1~2 weight portion organic silicon defoamer and 800~850 weight portion soft water composition.
4. high performance concrete as claimed in claim 3, it is characterised in that the preparation technology of the composite water-reducing agent is as follows：
(1) each raw material components are got out by proportioning in claim 3；By methyl allyl polyoxyethylene ether, hydroxy-ethyl acrylate,
In organic silicon defoamer, 70 weight portion soft water input reactor, hydrogenperoxide steam generator is stirred and added, make solution temperature in reactor
Degree warms naturally to 43~47 DEG C；
(2) acrylic acid and 40 weight portion soft water are configured into solution I；Mercaptopropionic acid, ascorbic acid and 90 weight portion water are prepared
Into solution II；
It is stable after 43~47 DEG C after solution temperature in kettle, start that solution I and solution II is added dropwise into kettle；Solution I and solution II
After completion of dropping, continue insulation reaction 50~60 minutes；
(3) step (2) product is neutralized into pH value for 6 with sodium hydroxide solution；
(4) it is 14~16% the product after neutralization, sodium gluconate and remaining soft water to be configured into solid masses content
Composite water-reducing agent.
5. high performance concrete as claimed in claim 4, it is characterised in that：In step (2), the time for adding of solution I is 180 points
Clock, the time for adding of solution II is 210 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610878359.8A CN106673567B (en) | 2016-09-30 | 2016-09-30 | A kind of high performance concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610878359.8A CN106673567B (en) | 2016-09-30 | 2016-09-30 | A kind of high performance concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106673567A true CN106673567A (en) | 2017-05-17 |
| CN106673567B CN106673567B (en) | 2019-09-20 |
Family
ID=58840252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610878359.8A Active CN106673567B (en) | 2016-09-30 | 2016-09-30 | A kind of high performance concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106673567B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824330A (en) * | 2019-03-29 | 2019-05-31 | 江苏宇航建材科技有限公司 | A kind of high-performance middle-and-low strength concrete |
| CN111116844A (en) * | 2020-01-18 | 2020-05-08 | 广东汇强外加剂有限公司 | Air-entraining type polycarboxylate superplasticizer and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001031457A (en) * | 1999-07-16 | 2001-02-06 | Taiheiyo Cement Corp | High strength concrete |
| CN105036598A (en) * | 2015-07-27 | 2015-11-11 | 昆山市建国混凝土制品有限公司 | Efficient concrete water reducing agent and concrete |
| CN105130347A (en) * | 2015-07-10 | 2015-12-09 | 同济大学 | Preparation method of high-work-performance regenerated concrete |
| CN105541162A (en) * | 2016-02-01 | 2016-05-04 | 合肥元旭环保新型材料有限公司 | High-performance water reducing agent used for concrete and preparation method thereof |
| CN105731919A (en) * | 2016-01-05 | 2016-07-06 | 葛洲坝集团试验检测有限公司 | Concrete with ultrahigh content of mixed fly ash |
-
2016
- 2016-09-30 CN CN201610878359.8A patent/CN106673567B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001031457A (en) * | 1999-07-16 | 2001-02-06 | Taiheiyo Cement Corp | High strength concrete |
| CN105130347A (en) * | 2015-07-10 | 2015-12-09 | 同济大学 | Preparation method of high-work-performance regenerated concrete |
| CN105036598A (en) * | 2015-07-27 | 2015-11-11 | 昆山市建国混凝土制品有限公司 | Efficient concrete water reducing agent and concrete |
| CN105731919A (en) * | 2016-01-05 | 2016-07-06 | 葛洲坝集团试验检测有限公司 | Concrete with ultrahigh content of mixed fly ash |
| CN105541162A (en) * | 2016-02-01 | 2016-05-04 | 合肥元旭环保新型材料有限公司 | High-performance water reducing agent used for concrete and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 张晏清: "《建筑结构材料》", 29 February 2016, 同济大学出版社 * |
| 郭远臣等: "《建筑垃圾资源化与再生混凝土》", 30 November 2015, 东南大学出版社 * |
| 黄国兴等: "《水工混凝土技术》", 31 October 2014, 中国水利水电出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824330A (en) * | 2019-03-29 | 2019-05-31 | 江苏宇航建材科技有限公司 | A kind of high-performance middle-and-low strength concrete |
| CN111116844A (en) * | 2020-01-18 | 2020-05-08 | 广东汇强外加剂有限公司 | Air-entraining type polycarboxylate superplasticizer and preparation method thereof |
| CN111116844B (en) * | 2020-01-18 | 2022-01-25 | 广东汇强外加剂有限公司 | Air-entraining type polycarboxylate superplasticizer and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106673567B (en) | 2019-09-20 |
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