CN103627270A - Intumescent fire retardant coating for tunnel - Google Patents
Intumescent fire retardant coating for tunnel Download PDFInfo
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- CN103627270A CN103627270A CN201310602837.9A CN201310602837A CN103627270A CN 103627270 A CN103627270 A CN 103627270A CN 201310602837 A CN201310602837 A CN 201310602837A CN 103627270 A CN103627270 A CN 103627270A
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Abstract
The invention discloses an intumescent fire retardant coating for a tunnel. The intumescent fire retardant coating for the tunnel is prepared by mixing the following raw materials in parts by weight: 70-75 parts of sulphate aluminium cement, 55-65 parts of portland slag cement, 20-30 parts of vinyl acetate resin emulsion, 10-16 parts of 582 resin, 5-9 parts of aluminum hydroxide, 7-10 parts of magnesium hydrate, 4-9 parts of sepiolite, 8-13 parts of perlite, 4-8 parts of alumina silicate fiber, 10-13 parts of carboxymethyl cellulose, 10-15 parts of fatty alcohol polyoxyethylene ether, 4-9 parts of kaolin, 4-8 parts of vermiculite, and 5-7 parts of aluminum stearate. The intumescent fire retardant coating has excellent water resisting property, weather fastness, fire resistance, corrosion resistance and stability, high bonding strength and high efficiency, can be solidified in short time and is convenient for construction.
Description
Technical field
The present invention relates to a kind of tunnel fire-proof dilatation, belong to chemistry painting industry technical field.
Technical background
In architecture, cross-sectional area is surpassed to 30m
2the channel definition of underground artificial construction be tunnel.The task of communications and transportation is not only being born in tunnel, also plays the function of optical cable, cable or even transition pipeline, hydraulic pipe passage.Although the reinforced concrete member as main building in tunnel is non-combustible material, tunnel fire hazard have after burning surrounding temperature raise very fast, the time length is long, ignition range is large, fire suppression and enter the features such as difficult.In the short period of time occurring at fire, the on-the-spot local temperature of catching fire in tunnel can rise to rapidly 1000 ℃, lasting rising along with temperature, in concrete, in conjunction with water, become vapor expansion, produce pressure, cause concrete surface layer to burst, produce large subsiding, tunnel-liner and structure are also damaged, and have aggravated evacuation and rescue personnel's life danger, and its direct losses and indirect loss are huge.Along with being on the increase of China's long tunnel and super long tunnel, the protection of the structure fire in tunnel has been an important research topic.
In the measure of tunnel structure fp, from the accessibility of cost performance and construction, to consider, fire-proof coating for tunnels is the optimal selection of tunnel fire proofing protection.In construction industry and other relevant industries, all kinds of frie retardant coatings have constantly been there are, though can realize fire prevention, but product exists the shortcomings such as the time of complicated, the long-time coating shedding of construction, fire prevention protection is short, concerning people's life security, if must not be a bit careless on fire safety.
Summary of the invention
The object of the invention is to provide the tunnel fire-proof dilatation that a kind of fire resistance is good.
In order to achieve the above object, the present invention adopts technical scheme to be: a kind of tunnel fire-proof dilatation, it is mainly to be stirred and make according to parts by weight proportioning by following raw materials according: 70-75 part aluminosulfate cement, 55-65 part Portland blast furnace slag cement, 20-30 part vinyl acetate resin emulsion, 10-16 part 582 resins, 5-9 part aluminium hydroxide, 7-10 part magnesium hydroxide, 4-9 part sepiolite, 8-13 part perlite, 4-8 part aluminum silicate fiber, 10-13 part carboxymethyl cellulose, 10-15 part poly alkyl alcohol ethylene oxide ether, 4-9 part kaolin, 4-8 part vermiculite, 5-7 part aluminum stearate.
Described perlitic particle diameter is 2-5mm.
Also contain 3-7 part ammonium borate.
Beneficial effect: water-resistant coating of the present invention, weathering resistance, resistivity against fire, erosion resistance and excellent in stability, cohesive strength is high, and set time is short, easy construction, efficiency is high.
Embodiment
Embodiment 1
A kind of tunnel stirs and makes according to weight proportion by following raw materials according with fire-proof dilatation: 70-75 part aluminosulfate cement, 55-65 part Portland blast furnace slag cement, 20-30 part vinyl acetate resin emulsion, 10-16 part 582 resins, 5-9 part aluminium hydroxide, 7-10 part magnesium hydroxide, 4-9 part sepiolite, 8-13 part perlite, 4-8 part aluminum silicate fiber, 10-13 part carboxymethyl cellulose, 10-15 part poly alkyl alcohol ethylene oxide ether, 4-9 part kaolin, 4-8 part vermiculite, 5-7 part aluminum stearate.
Embodiment 2
A kind of tunnel stirs and makes according to weight proportion by following raw materials according with fire-proof dilatation: 70-75 part aluminosulfate cement, 55-65 part Portland blast furnace slag cement, 20-30 part vinyl acetate resin emulsion, 10-16 part 582 resins, 5-9 part aluminium hydroxide, 7-10 part magnesium hydroxide, 4-9 part sepiolite, 8-13 part perlite, 4-8 part aluminum silicate fiber, 10-13 part carboxymethyl cellulose, 10-15 part poly alkyl alcohol ethylene oxide ether, 4-9 part kaolin, 4-8 part vermiculite, 5-7 part aluminum stearate and 3-7 part ammonium borate.
Embodiment 3
The formula of above-described embodiment is preparation construction by the following method all: (1) batching, coating and water are carried out to proportioning with the ratio of 0.7 left and right, first add a small amount of water and add while stirring coating, and appropriate moisturizing, the general 20min that stirs becomes thick pulpous state (2) construction, with spraying machine, from the waist in tunnel, spray from below to up, each spraying 3-7mm is thick, the interval engineering time take last time paint-based and originally parches as standard, and so circulation, until spray to design thickness, after last spraying, as must be floating, use trowelling method, floating.
The prepared finished product of above-described embodiment all can reach following technical indicator after tested: 1, tail over rate≤1.0%; 2, dry density≤580kg/m
3; 3, water tolerance: h>=24, coating does not ftracture, aliquation, come off; 4, alkali resistance: h>=24, coating does not ftracture, aliquation, come off; 5, cohesive strength: concrete>=0.1MPa; 6, cold-hot round-robin test: 25 times, do not ftracture, do not come off; 7, ultimate compression strength:>=0.3MPa; 8, flue gas toxity: AQ-1 level; 9, fire performance: 9mm thickness fire endurance>=2.2h, 12mm thickness fire endurance>=3.1h.
Claims (3)
1. a tunnel fire-proof dilatation, is characterized in that it is mainly to be stirred and make according to parts by weight proportioning by following raw materials according: 70-75 part aluminosulfate cement, 55-65 part Portland blast furnace slag cement, 20-30 part vinyl acetate resin emulsion, 10-16 part 582 resins, 5-9 part aluminium hydroxide, 7-10 part magnesium hydroxide, 4-9 part sepiolite, 8-13 part perlite, 4-8 part aluminum silicate fiber, 10-13 part carboxymethyl cellulose, 10-15 part poly alkyl alcohol ethylene oxide ether, 4-9 part kaolin, 4-8 part vermiculite, 5-7 part aluminum stearate.
2. a kind of tunnel according to claim 1 fire-proof dilatation, is characterized in that: described perlitic particle diameter is 2-5mm.
3. a kind of tunnel according to claim 1 fire-proof dilatation, is characterized in that: also contain 3-7 part ammonium borate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310602837.9A CN103627270B (en) | 2013-11-26 | 2013-11-26 | A kind of tunnel fire-proof dilatation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310602837.9A CN103627270B (en) | 2013-11-26 | 2013-11-26 | A kind of tunnel fire-proof dilatation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103627270A true CN103627270A (en) | 2014-03-12 |
| CN103627270B CN103627270B (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201310602837.9A Expired - Fee Related CN103627270B (en) | 2013-11-26 | 2013-11-26 | A kind of tunnel fire-proof dilatation |
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| CN (1) | CN103627270B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104194505A (en) * | 2014-08-27 | 2014-12-10 | 苏州诚晟信息技术有限公司 | Fireproof coating and preparation method thereof |
| CN104830137A (en) * | 2015-04-23 | 2015-08-12 | 铜陵祥云消防科技有限责任公司 | Sound-absorbing and moisture-resistant tunnel fireproof coating and preparation method thereof |
| CN107629500A (en) * | 2017-10-18 | 2018-01-26 | 江苏建中能源科技有限公司 | A kind of fire-proof coating for tunnels |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544556A (en) * | 2003-11-28 | 2004-11-10 | 厦门大学 | Tunnel fireproof paint and its manufacturing technology |
-
2013
- 2013-11-26 CN CN201310602837.9A patent/CN103627270B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544556A (en) * | 2003-11-28 | 2004-11-10 | 厦门大学 | Tunnel fireproof paint and its manufacturing technology |
Non-Patent Citations (1)
| Title |
|---|
| 左志康: "新型隧道防火涂料研制和应用", 《试验研究与应用》, vol. 15, no. 2, 28 February 2012 (2012-02-28) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104194505A (en) * | 2014-08-27 | 2014-12-10 | 苏州诚晟信息技术有限公司 | Fireproof coating and preparation method thereof |
| CN104830137A (en) * | 2015-04-23 | 2015-08-12 | 铜陵祥云消防科技有限责任公司 | Sound-absorbing and moisture-resistant tunnel fireproof coating and preparation method thereof |
| CN107629500A (en) * | 2017-10-18 | 2018-01-26 | 江苏建中能源科技有限公司 | A kind of fire-proof coating for tunnels |
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| Publication number | Publication date |
|---|---|
| CN103627270B (en) | 2016-04-27 |
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Granted publication date: 20160427 Termination date: 20181126 |
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