CN106277900A - A kind of concrete additive and concrete thereof - Google Patents
A kind of concrete additive and concrete thereof Download PDFInfo
- Publication number
- CN106277900A CN106277900A CN201610704343.5A CN201610704343A CN106277900A CN 106277900 A CN106277900 A CN 106277900A CN 201610704343 A CN201610704343 A CN 201610704343A CN 106277900 A CN106277900 A CN 106277900A
- Authority
- CN
- China
- Prior art keywords
- concrete
- parts
- additive
- powder
- concrete additive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- 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
-
- 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)
- 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 discloses a kind of concrete additive and concrete thereof, belong to technical field of concrete.Described concrete additive is made up of the raw material of following parts by weight: flyash 6～12 parts, silicon dioxide powder 5～15 parts, polypropylene fibre 4～16 parts, zeolite powder 4～10 parts, lignin sulfonic acid calcium powder 2～8 parts, acrylic emulsion 5～15 parts.The concrete additive of the present invention; the toughness of concrete, comprcssive strength and service life can be improved; use concrete tension that the concrete additive of the present invention makes, anti-folding, cracking resistance are good and cheap, production technology simple, low cost, are suitable for large-scale production.
Description
Technical field
The present invention relates to a kind of concrete additive and concrete thereof, belong to technical field of concrete.
Background technology
Concrete, referred to as " concrete ", it is common that referring to make Binder Materials with cement, sand, masonry gather materials, with water by a certain percentage
Coordinate, agitated gained.Concrete has abundant raw material, cheap, the simple feature of production technology so that it is range ten
Divide extensively, not only use in various civil engineerings, it is simply that shipbuilding industry, mechanical industry, the exploitation of ocean, geothermal engineering etc., mixed
Solidifying soil is also important material.
During concrete is applied in Practical Project, it is commonly exposed to the harshest various environment, as environment is corroded
Property medium intrusion, the change of ambient temperature and humidity, freeze-thaw cycle destroy and part concrete works often in heavy load grind
Damaging, these external conditions will have a strong impact on the service life of concrete.Accordingly, it would be desirable to add protective agent pair in concrete
Concrete carries out protective effect, and existing concrete additive exists function singleness, the technology poor to the maintenance effect of concrete
Not enough.
Summary of the invention
It is an object of the invention to make up the deficiencies in the prior art, it is provided that a kind of concrete additive and concrete thereof.This
Bright concrete additive can improve the toughness of concrete, comprcssive strength and service life.
The technical scheme is that a kind of concrete additive, by following parts by weight
Raw material make: flyash 6～12 parts, silicon dioxide powder 5～15 parts, polypropylene fibre 4～16 parts, zeolite powder 4～10 parts, wood
Quality sulfonic acid calcium powder 2～8 parts, acrylic emulsion 5～15 parts.
On the basis of technique scheme, the present invention can also do following improvement.
Further, it is made up of the raw material of following parts by weight: 9 parts of flyash, silicon dioxide powder 10 parts, polypropylene fibre 10
Part, zeolite powder 7 parts, lignin sulfonic acid calcium powder 5 parts, acrylic emulsion 10 parts.
Further, the particle diameter of described flyash is 30～50 μm.
Further, described silicon dioxide powder is nano-silica powder.
Further, described polypropylene fibre is Monofilament polypropylene.
A kind of concrete, comprises the concrete additive as above described in any one.
On the basis of technique scheme, the present invention can also do following improvement.
Further, the quality of described concrete additive is the 5～10wt% of concrete quality.
The invention has the beneficial effects as follows:
(1) concrete additive of the present invention, can improve the toughness of concrete, comprcssive strength and service life.
(2) the concrete tension that the concrete additive of the employing present invention is made, anti-folding, cracking resistance are good.
(3) cheap, the production technology of the present invention is simple, low cost, is suitable for large-scale production.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with specific embodiment, example is served only for explaining this
Bright, it is not intended to limit the scope of the present invention.
Embodiment 1:
The concrete additive of the present embodiment, is made up of the raw material of following parts by weight: 9 parts of flyash, silicon dioxide powder
10 parts, polypropylene fibre 10 parts, zeolite powder 7 parts, lignin sulfonic acid calcium powder 5 parts, acrylic emulsion 10 parts, wherein, described fine coal
The particle diameter of ash is 30～50 μm, and described silicon dioxide powder is nano-silica powder, and described polypropylene fibre is Monofilament polypropylene.
The concrete of above-described embodiment, comprises concrete additive as above, the quality of described concrete additive
5wt% for concrete quality.
The concrete of the present embodiment, comprises concrete modifying agent as above, and the quality of described concrete modifying agent is
The 3wt% of concrete quality.
Utilize concrete resistivity analyzer that the concrete obtained in embodiment 1 is tested, obtain its dampness
Lower resistivity is 0.46 Ω m, and under drying regime, resistivity is 1.62 Ω m.
According to GB/T19856.1, the concrete obtained in embodiment 1 is tested, obtain its dash current tolerance Δ
R%=2.7%.
Carry out the resistance to tested person of power current to embodiment 2 obtains concrete, obtain its power current tolerance Δ R%=
10.8%.
Utilize TYE-20 agent on crack resistance of concrete folding compression testing machine that the concrete obtained in embodiment 2 is tested, obtain it
Rupture strength is 8.2MPa, and comprcssive strength is 41.5MPa.
Embodiment 2:
The concrete additive of the present embodiment, is made up of the raw material of following parts by weight: 9 parts of flyash, silicon dioxide powder
10 parts, polypropylene fibre 10 parts, zeolite powder 7 parts, lignin sulfonic acid calcium powder 5 parts, acrylic emulsion 10 parts, wherein, described fine coal
The particle diameter of ash is 30～50 μm, and described silicon dioxide powder is nano-silica powder, and described polypropylene fibre is Monofilament polypropylene.
The concrete of above-described embodiment, comprises concrete additive as above, the quality of described concrete additive
7wt% for concrete quality.
Utilize concrete resistivity analyzer that the concrete obtained in embodiment 2 is tested, obtain its dampness
Lower resistivity is 0.52 Ω m, and under drying regime, resistivity is 1.64 Ω m.
According to GB/T19856.1, the concrete obtained in embodiment 2 is tested, obtain its dash current tolerance Δ
R%=2.7%.
Carry out the resistance to tested person of power current to embodiment 2 obtains concrete, obtain its power current tolerance Δ R%=
11.1%.
Utilize TYE-20 agent on crack resistance of concrete folding compression testing machine that the concrete obtained in embodiment 2 is tested, obtain it
Rupture strength is 8.4MPa, and comprcssive strength is 43.5MPa.
Embodiment 3:
The concrete additive of the present embodiment, is made up of the raw material of following parts by weight: 12 parts of flyash, silicon dioxide powder
5 parts, polypropylene fibre 16 parts, zeolite powder 4 parts, lignin sulfonic acid calcium powder 8 parts, acrylic emulsion 5 parts, wherein, described flyash
Particle diameter be 30～50 μm, described silicon dioxide powder is nano-silica powder, and described polypropylene fibre is Monofilament polypropylene.
The concrete of above-described embodiment, comprises concrete additive as above, the quality of described concrete additive
10wt% for concrete quality.
The concrete of the present embodiment, comprises concrete modifying agent as above, and the quality of described concrete modifying agent is
The 8wt% of concrete quality.
Utilize concrete resistivity analyzer that the concrete obtained in embodiment 3 is tested, obtain its dampness
Lower resistivity is 0.46 Ω m, and under drying regime, resistivity is 1.56 Ω m.
According to GB/T19856.1, the concrete obtained in embodiment 3 is tested, obtain its dash current tolerance Δ
R%=2.5%.
Carry out the resistance to tested person of power current to embodiment 2 obtains concrete, obtain its power current tolerance Δ R%=
10.8%.
Utilize TYE-20 agent on crack resistance of concrete folding compression testing machine that the concrete obtained in embodiment 3 is tested, obtain it
Rupture strength is 8.1MPa, and comprcssive strength is 40.8MPa.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (7)
1. a concrete additive, it is characterised in that be made up of the raw material of following parts by weight: flyash 6～12 parts, dioxy
SiClx powder 5～15 parts, polypropylene fibre 4～16 parts, zeolite powder 4～10 parts, lignin sulfonic acid calcium powder 2～8 parts, acrylic emulsion
5～15 parts.
A kind of concrete additive the most according to claim 1, it is characterised in that by the raw material system of following parts by weight
Become: 9 parts of flyash, silicon dioxide powder 10 parts, polypropylene fibre 10 parts, zeolite powder 7 parts, lignin sulfonic acid calcium powder 5 parts, acrylic acid
Emulsion 10 parts.
A kind of concrete additive the most according to claim 1 and 2, it is characterised in that the particle diameter of described flyash is 30
～50 μm.
A kind of concrete additive the most according to claim 1 and 2, it is characterised in that described silicon dioxide powder is nanometer
Silicon dioxide powder.
A kind of concrete additive the most according to claim 1 and 2, it is characterised in that described polypropylene fibre is monofilament
Polypropylene.
6. a concrete, it is characterised in that comprise the concrete additive described in claim 1-5 any one.
Concrete the most according to claim 6, it is characterised in that the quality of described concrete additive is concrete quality
5～10wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610704343.5A CN106277900A (en) | 2016-08-22 | 2016-08-22 | A kind of concrete additive and concrete thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610704343.5A CN106277900A (en) | 2016-08-22 | 2016-08-22 | A kind of concrete additive and concrete thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106277900A true CN106277900A (en) | 2017-01-04 |
Family
ID=57661295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610704343.5A Pending CN106277900A (en) | 2016-08-22 | 2016-08-22 | A kind of concrete additive and concrete thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106277900A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107162461A (en) * | 2017-05-23 | 2017-09-15 | 安徽工程大学 | Concrete additive and preparation method thereof and concrete and application |
| CN107973545A (en) * | 2017-12-13 | 2018-05-01 | 颍上继红混凝土有限公司 | A kind of concrete additive |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103936326A (en) * | 2014-04-14 | 2014-07-23 | 淮安市建筑工程检测中心有限公司 | Admixture special for color concrete and application method and using method of admixture |
| CN104086113A (en) * | 2014-06-25 | 2014-10-08 | 江苏奥莱特新材料有限公司 | Concrete synergist |
| CN104291749A (en) * | 2014-09-22 | 2015-01-21 | 华北水利水电大学 | Concrete material and preparation method thereof |
| CN105152566A (en) * | 2015-08-27 | 2015-12-16 | 广西路佳道桥勘察设计有限公司 | Concrete and concrete additive thereof |
| CN105174780A (en) * | 2015-08-31 | 2015-12-23 | 广西路佳道桥勘察设计有限公司 | Concrete additive and concrete thereof |
-
2016
- 2016-08-22 CN CN201610704343.5A patent/CN106277900A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103936326A (en) * | 2014-04-14 | 2014-07-23 | 淮安市建筑工程检测中心有限公司 | Admixture special for color concrete and application method and using method of admixture |
| CN104086113A (en) * | 2014-06-25 | 2014-10-08 | 江苏奥莱特新材料有限公司 | Concrete synergist |
| CN104291749A (en) * | 2014-09-22 | 2015-01-21 | 华北水利水电大学 | Concrete material and preparation method thereof |
| CN105152566A (en) * | 2015-08-27 | 2015-12-16 | 广西路佳道桥勘察设计有限公司 | Concrete and concrete additive thereof |
| CN105174780A (en) * | 2015-08-31 | 2015-12-23 | 广西路佳道桥勘察设计有限公司 | Concrete additive and concrete thereof |
Non-Patent Citations (1)
| Title |
|---|
| 吴科如，张雄: "《土木工程材料》", 31 August 2008, 同济大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107162461A (en) * | 2017-05-23 | 2017-09-15 | 安徽工程大学 | Concrete additive and preparation method thereof and concrete and application |
| CN107973545A (en) * | 2017-12-13 | 2018-05-01 | 颍上继红混凝土有限公司 | A kind of concrete additive |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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