CN106007792A - Fireproof foam concrete and preparation method thereof - Google Patents
Fireproof foam concrete and preparation method thereof Download PDFInfo
- Publication number
- CN106007792A CN106007792A CN201610351016.6A CN201610351016A CN106007792A CN 106007792 A CN106007792 A CN 106007792A CN 201610351016 A CN201610351016 A CN 201610351016A CN 106007792 A CN106007792 A CN 106007792A
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- Prior art keywords
- concrete
- fire
- foam concrete
- ash
- quality
- Prior art date
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
- C04B38/106—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam by adding preformed foams
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
Landscapes
- 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 fireproof foam concrete, belonging to the field of building materials. The fireproof foam concrete comprises Portland cement, sand, fly ash, silica fume, slag, an alcohol amine water reducing agent and a microbial protein foaming agent; and given that the mass of the Portland cement is 100%, the mass of the sand is 50-55%, the mass of the fly ash is 65-70%, the mass of the silica fume is 10-15%, the mass of the slag is 20-30%, and the mass of the alcohol amine water reducing agent is 0.6-0.9%. In the invention, by improving the foam uniformity, the fireproof strength of the concrete is further improved; and meanwhile, due to the high content of alkali metals in the ash of concrete, the binding power of the cement can be enhanced to certain degree, and the compressive strength of the concrete is improved. The invention also provides a preparation method of the fireproof foam concrete.
Description
Technical field
The present invention relates to a kind of concrete, be especially a kind of foam concrete that can be fire-resistant and preparation method thereof, belong to building material field.
Background technology
Modernization development along with city, high buildings and large mansions therein are in a compact mass, but the primary element of these high buildings and large mansions is exactly concrete, traditional concrete is mixed by sandstone, cement and water mostly, and the drawback of such concrete is that cement and sandstone fire protecting performance are poor.When a fire, under conditions of high temperature, the structure tension performance of traditional cement concrete is substantially reduced, but the season being dried, owing to fire occur in outdoor machine of air-conditioner or improper being easy to of electricity consumption, in high-storey, owing to the people of office is more, if the fire protecting performance difference of construction material, its consequence is by hardly imaginable.On this basis, people also have developed foam concrete, foam concrete is containing substantial amounts of bubble with the difference of traditional concrete, substantial amounts of bubble imparts concrete material and possesses relatively low heat conductivity, there are certain high temperature resistance and fire-resistant advantage, but some foam concrete occurred on the market have problems in that the stability of foam is the highest, distribution of sizes is uneven, the problem such as the thickness of foam is indefinite, these drawbacks will greatly have impact on the serviceability of concrete, also have impact on the fire resistance of building simultaneously, therefore high stability is prepared, the foam concrete that fire resistance is high is always the technical barrier that this area is to be solved.
Summary of the invention
Place of the present invention solves the technical problem that and is to overcome prior art defect, it is provided that foam concrete that a kind of good stability, fire resistance are high and preparation method thereof.
In order to solve above-mentioned technical problem, the present invention provides a kind of foam concrete that can be fire-resistant, including portland cement, sand, flyash, silicon ash, slag, hydramine water reducer, microprotein foaming agent, it is 100% metering with the quality of portland cement, wherein the quality of sand is 50-55%, and the quality of flyash is 65-70%, the quality of silicon ash is 10-15%, the quality of slag is 20-30%, hydramine water reducer 0.6-0.9%.
In the present invention, described microprotein foaming agent is made up of calcio ester stabilizer, dodecylbenzene sodium sulfonate, animal proteinum activating agent and thickening rosin resin, and described dodecylbenzene sodium sulfonate, animal proteinum activating agent, calcio ester, the mass ratio of thickening rosin resin are 70:25:4:1.
In the present invention, described silicon ash include 0.4% calcium oxide, the silicon dioxide of 92.1%, the iron sesquioxide of 1%, remaining composition is ash impurities.
In the present invention, described slag include 45% calcium oxide, the silicon dioxide of 40.1%, the aluminium sesquioxide of 7.0%, remaining composition is ash impurities.
In the present invention, described flyash include 4.5% calcium oxide, the silicon dioxide of 50.1%, the aluminium sesquioxide of 27.0%, the iron sesquioxide of 4.0%, remaining composition is ash impurities.
The present invention also provides for above-mentioned foam concrete preparation method that can be fire-resistant, specifically comprises the following steps that
1), portland cement, sand, flyash, silicon ash, slag are mixed in the case of not adding water in advance, make mortar dry powder；
2), add water in the mortar dry powder that step 1) is made after stir into concrete water slurry, water ash mass ratio is 1:2-4；
3), dodecylbenzene sodium sulfonate, animal proteinum activating agent, calcio ester stabilizer and thickening rosin resin are made foam；
4) it is uniform that the concrete water slurry, by step 3) prepared and step 4) prepare foams mix, obtain can be fire-resistant foam concrete.
The beneficial effects of the present invention is: the coefficient of foaming of (1), selection microprotein foaming agent is more than 30 times, improve the uniformity of foam, the resistance to fire intensity making concrete improves further, meanwhile, use biological protein foaming agent to prepare foam and have nontoxic advantage compared to chemical blowing facility；(2) water-reducing rate of hydramine water reducer is 45%, improves the intensity of concrete, has saved the consumption of cement；(3), the content of the silicon dioxide of concrete, aluminium sesquioxide, iron sesquioxide, calcium oxide higher, virtually add the alkali metal content in concrete material, the cohesive force of cement can be strengthened to a certain extent, improve the comprcssive strength of concrete.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment
1
The present embodiment can be fire-resistant foam concrete, including portland cement, sand, flyash, silicon ash, slag, hydramine water reducer, microprotein foaming agent.Being 100% metering with the quality of portland cement, wherein the quality of sand is 50%, and the quality of flyash is 65%, the quality of silicon ash is 10%, the quality of slag is 20%, hydramine water reducer 0.8%.
Concrete preparation process is:
1, the preparation of dry sand powder: portland cement, sand, flyash, silicon ash, slag are mixed in the case of not adding water in advance, makes mortar dry powder standby；
2, the preparation of mortar: add appropriate water in step 1 mortar dry powder, the ratio of mud therein is 1:2, mortar dry powder is made concrete water slurry, stirs, at ambient temperature stirring 15 minutes, stands；
3, the preparation of foam: use pressure-air foaming machine dodecylbenzene sodium sulfonate, animal proteinum activating agent, calcio ester stabilizer, thickening rosin resin first to be mixed, then make uniform foam by machine；
4, the preparation of foam concrete: the uniform foam that standby for the step 3 concrete water slurry obtained prepares with step 4 is mixed mutually, quick mix and blend 3 minutes, formation mixture slurry, mix the most again 15 minutes, obtain can be fire-resistant foam concrete.
Embodiment
2
The present embodiment can be fire-resistant foam concrete, including portland cement, sand, flyash, silicon ash, slag, hydramine water reducer, microprotein foaming agent.Being 100% metering with the quality of portland cement, wherein the quality of sand is 55%, and the quality of flyash is 68%, the quality of silicon ash is 13%, the quality of slag is 30%, hydramine water reducer 0.6%.
Concrete preparation process is with the difference of embodiment 1, in step 2) during the preparation of mortar, the ratio of mud therein is 1:3, concrete powder is made concrete water slurry, stirs, and stirs 10 minutes, stands；Other steps are same as in Example 1.
Embodiment
3
The present embodiment can be fire-resistant foam concrete, including portland cement, sand, flyash, silicon ash, slag, hydramine water reducer, microprotein foaming agent.Being 100% metering with the quality of portland cement, wherein the quality of sand is 52%, and the quality of flyash is 70%, the quality of silicon ash is 15%, the quality of slag is 24%, hydramine water reducer 0.9%.
Concrete preparation process is with the difference of embodiment 1, in step 2) during the preparation of mortar, the ratio of mud therein is 1:4, concrete powder is made concrete water slurry, stirs, and stirs 10 minutes, stands；Other steps are same as in Example 1.
In the above embodiment of the present invention, microprotein foaming agent is by calcio ester stabilizer, dodecylbenzene sodium sulfonate, animal proteinum activating agent and thickening rosin resin composition.Dodecylbenzene sodium sulfonate, animal proteinum activating agent, calcio ester, the mass ratio of thickening rosin resin are 70:25:4:1.
Silicon ash include 0.4% calcium oxide, the silicon dioxide of 92.1%, the iron sesquioxide of 1%, remaining composition is ash impurities.
Slag include 45% calcium oxide, the silicon dioxide of 40.1%, the aluminium sesquioxide of 7.0%, remaining composition is ash impurities.
Flyash include 4.5% calcium oxide, the silicon dioxide of 50.1%, the aluminium sesquioxide of 27.0%, the iron sesquioxide of 4.0%, remaining composition is ash impurities.
Above the detailed description of the invention of the present invention is described, but the present invention is not limited to above description.For a person skilled in the art, any equal amendment to the technical program and replacement are all within the scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and amendment, all should contain within the scope of the invention.
Claims (6)
1. one kind can be fire-resistant foam concrete, it is characterized in that: include portland cement, sand, flyash, silicon ash, slag, hydramine water reducer, microprotein foaming agent, it is 100% metering with the quality of portland cement, wherein the quality of sand is 50-55%, and the quality of flyash is 65-70%, the quality of silicon ash is 10-15%, the quality of slag is 20-30%, hydramine water reducer 0.6-0.9%.
The most according to claim 1 can be fire-resistant foam concrete, it is characterized in that: described microprotein foaming agent is made up of calcio ester stabilizer, dodecylbenzene sodium sulfonate, animal proteinum activating agent and thickening rosin resin, described dodecylbenzene sodium sulfonate, animal proteinum activating agent, calcio ester, the mass ratio of thickening rosin resin are 70:25:4:1.
The most according to claim 2 can be fire-resistant foam concrete, it is characterised in that: described silicon ash include 0.4% calcium oxide, the silicon dioxide of 92.1%, the iron sesquioxide of 1%, remaining composition is ash impurities.
The most according to claim 3 can be fire-resistant foam concrete, it is characterised in that: described slag include 45% calcium oxide, the silicon dioxide of 40.1%, the aluminium sesquioxide of 7.0%, remaining composition is ash impurities.
The most according to claim 4 can be fire-resistant foam concrete, it is characterised in that: described flyash include 4.5% calcium oxide, the silicon dioxide of 50.1%, the aluminium sesquioxide of 27.0%, the iron sesquioxide of 4.0%, remaining composition is ash impurities.
6. according to can be fire-resistant described in any one described in claim 1-5 foam concrete preparation method, it is characterised in that specifically comprise the following steps that
1), portland cement, sand, flyash, silicon ash, slag are mixed in the case of not adding water in advance, make mortar dry powder；
2), add water in the mortar dry powder that step 1) is made after stir into concrete water slurry, water ash mass ratio is 1:2-4；
3), dodecylbenzene sodium sulfonate, animal proteinum activating agent, calcio ester stabilizer and thickening rosin resin are made foam；
4) it is uniform that the concrete water slurry, by step 3) prepared and step 4) prepare foams mix, obtain can be fire-resistant foam concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610351016.6A CN106007792A (en) | 2016-05-25 | 2016-05-25 | Fireproof foam concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610351016.6A CN106007792A (en) | 2016-05-25 | 2016-05-25 | Fireproof foam concrete and preparation method thereof |
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| CN106007792A true CN106007792A (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610351016.6A Pending CN106007792A (en) | 2016-05-25 | 2016-05-25 | Fireproof foam concrete and preparation method thereof |
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| CN (1) | CN106007792A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101498A (en) * | 2017-12-25 | 2018-06-01 | 济南大学 | A kind of high heat-resisting phosphor aluminate cement base foamed concrete material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353265A (en) * | 2008-09-11 | 2009-01-28 | 周照柱 | Cellular concrete product |
-
2016
- 2016-05-25 CN CN201610351016.6A patent/CN106007792A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353265A (en) * | 2008-09-11 | 2009-01-28 | 周照柱 | Cellular concrete product |
Non-Patent Citations (2)
| Title |
|---|
| 李东光: "《实用保温•密封制品配方手册》", 30 June 2009 * |
| 王洪镇等: "《流态轻集料微孔混凝土技术》", 31 October 2013 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101498A (en) * | 2017-12-25 | 2018-06-01 | 济南大学 | A kind of high heat-resisting phosphor aluminate cement base foamed concrete material |
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Application publication date: 20161012 |
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