CN106401637A - Construction method for environment-friendly tunnel fire-proof coating - Google Patents

Construction method for environment-friendly tunnel fire-proof coating Download PDF

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Publication number
CN106401637A
CN106401637A CN201610752555.0A CN201610752555A CN106401637A CN 106401637 A CN106401637 A CN 106401637A CN 201610752555 A CN201610752555 A CN 201610752555A CN 106401637 A CN106401637 A CN 106401637A
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fire
tunnel
coating
construction method
environment
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CN201610752555.0A
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唐健发
唐玲
唐浩城
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Building Environments (AREA)

Abstract

The invention belongs to the technical field of tunnel construction and particularly discloses a construction method for an environment-friendly tunnel fire-proof coating. The construction method comprises the following steps of tunnel structure surface cleaning, fire-proof coating spraying, steel wire net arranging, leveling and fire-proof paint spraying. In the fire-proof coating spraying process, the adopted fire-proof coating is environmentally friendly and composed of fire-proof water, styrene-acrylic emulsion, expanded perlite, expanded vermiculite, aluminum hydroxide, sepiolite, argil, china clay, kaolin, light calcium carbonate, wollastonite, glass fibers, a concrete expansive agent, cellulose ether, polypropylene fibers, rubber powder and sodium alkyl naphthalene sulfonate. According to the construction method for the environment-friendly tunnel fire-proof coating, the fire-proof coating has excellent fire-proof performance and water resistance and is good in heat preservation and insulation performance and high in bonding strength, and disengagement, block falling and other phenomena can be prevented.

Description

A kind of construction method of environment-friendly type tunnel fire proofing coating
Technical field
The invention belongs to technical field of tunnel construction is and in particular to a kind of construction method of environment-friendly type tunnel fire proofing coating.
Background technology
In general, the fire hazard occurring in tunnel is very big, and in tunnel, best-effort path is limited, and fire fighter is difficult Rescued in time with entering scene of fire, being affected by these unfavorable factors, once there is fire in tunnel, often making Become great casualties and structural failure.
For the generation of fire is reduced or avoided, need decoration and fire prevention in tunnel inner wall.Under normal circumstances, there are 3 kinds of fire prevention Decorating method:One is using fireproof coating brushing internal face, and this mode is common in the tunnel inner wall of highway, and its advantage is Construction is simple, low cost, but also has serious defect, and that is, sprayed surface is extremely coarse, dust easy to stick and clean difficult;Two is to adopt Fill patch with ceramic tile, this mode is common in urban road tunnel inner wall, and its advantage is neat appearance, can rinse, but is constructed into This height, time permanent ceramic tile can come off, and have potential safety hazard;Three is using PLASTIC LAMINATED decoration, and this mode needs in tunnel arch Interior installation Os Draconis, then block-by-block installs PLASTIC LAMINATED although compared with ceramic tile safety on Os Draconis, but difficulty of construction is big, construction cost is same Height, and the also damaged possibility in operation uses of PLASTIC LAMINATED.
It is the most extensive in engineer applied and most economical effective method using fireproof coating brushing internal face.It is adopted Fire-proof coating for tunnels grows up with reference to oneself requirement on the basis of finishing fire retardant paint, thus the research of raw material and choosing With referring to finishing fire retardant paint.Fire-proof coating for tunnels as sapecial coating, except having the decoration function of common coating There is provided physical protection outer in addition it is also necessary to have the specific function of flame-retardant with to cable base material, this requires them in a constant temperature The lower formation fire proof heat-insulation layer that can foam of degree.Therefore there is a particular/special requirement to its base material it is desirable to base material can be with whole coating system Consonance, makes the existing good mechanical physics and chemistry function of coating, can form preferable insulated foam coating, in order to reach one again when by fire The fixed flame-retardant time is not it is desirable to foaming layer falls off at high temperature yet.In addition cable rubber type of material is high-elastic gonosome, and And cable needs usually to check movement, this requires that coating should have the function of enough resistance to telescopic variation, also requires fire prevention to apply Good, the room temp solidified good, decorative coating film of non-corrosive function, adhesive force is good to rubber cable class material for material.
However, in the operation of daily tunnel, fire-proof coating for tunnels performance is not good, or obscission, fall block etc. to tunnel Operation causes very big potential safety hazard.
Content of the invention
For the deficiencies in the prior art, the present invention provides a kind of construction method of environment-friendly type tunnel fire proofing coating, the method The fireproof coating environmental protection being adopted, it is good to have excellent fire prevention, water resistance, and a heat insulation property, and adhesion strength is high, energy Enough prevent coating shedding, fall the generation of the phenomenons such as block.
Specifically, the construction method of environment-friendly type tunnel fire proofing coating of the present invention, comprises the following steps:Tunnel structure table Face cleaning, the setting of sprayed fire proofing coating, steel wire, leveling, spray fire resistant coating are it is characterised in that described sprayed fire proofing coating procedure In, the fireproof coating being adopted is made up of the raw material of following weight fraction ratio:Refractory cement 25-40 part, styrene-acrylic emulsion 7-10 part, Expanded perlite 8-12 part, expanded vermiculite 4-8 part, aluminium hydroxide 4-6 part, meerschaum 2-6 part, potter's clay 2-6 part, china clay 2-5 part, Kaolin 2-5 part, precipitated calcium carbonate 2-4 part, wollastonite 1-3 part, glass fibre 1-3 part, cement expansive material 0.5-1 part, mixed Solidifying soil expansion agent 0.5-1 part, cellulose ether 0.1-0.3 part, polypropylene fibre 0.1-0.3 part, rubber powder 0.05-0.1 part, alkylnaphthalene Sodium sulfonate 0.05-0.1 part.
Further illustrating as the present invention, described tunnel structure removing surface includes:Remove the vacation on tunnel double-lining surface Skin, ghost, burr, carry out filling-in to construction joint, rinse greasy dirt, soil and the dust on tunnel double-lining surface.
Further illustrating as the present invention, described steel wire setting includes:Fire resisting covering is the 1/4 of gross thickness When, set swell fixture, subsequently lay steel wire from top to bottom.
Further, described fire resistant coating gross thickness is 0.6-1.8cm.
Further illustrating as the present invention, described leveling includes:When fire resistant coating reaches design thickness, greasy using waterproof Zi Gua 1-2 road, polishes after being dried, until surfacing.
Further illustrating as the present invention, described spray fire resistant coating includes:After leveling, select in inner surface of tunnel spraying Colored paint.
The present invention due to clearing up to tunnel structure surface, goes to degrease, imitation leather etc., can improve fireproof coating and tunnel The adhesion strength of two linings, makes fire resistant coating difficult for drop-off.
Present invention construction is simple, environmental protection, and construction cost is relatively low, and is coated with fire resistant coating in outer layer, can increase Inner surface of tunnel attractive in appearance.
It is good that fire resistant coating of the present invention has excellent fire prevention, water resistance, and a heat insulation property, long service life, through surveying Examination, has the warranty of more than 30 years.
Specific embodiment
Following examples are described in further detail to the present invention, and the present embodiment is only that the present invention is made more clearly Bright, rather than limitation of the present invention.
Embodiment 1
A kind of construction method of environment-friendly type tunnel fire proofing coating, comprises the following steps:
(1)Tunnel structure removing surface:The imitation leather on removing tunnel double-lining surface, ghost, burr, carry out filling-in to construction joint, punching Wash greasy dirt, soil and the dust on tunnel double-lining surface;
(2)Sprayed fire proofing coating:In tunnel inner wall even application fireproof coating, form the fire resistant coating of thickness 0.8cm;Described anti- Fiery coating is made up of the raw material of following weight fraction ratio:35 parts of refractory cement, 8 parts of styrene-acrylic emulsion, 10 parts of expanded perlite, expansion 7 parts of Vermiculitum, 6 parts of aluminium hydroxide, 3 parts of meerschaum, 2 parts of potter's clay, 5 parts of china clay, 4 parts of Kaolin, 3 parts of precipitated calcium carbonate, wollastonite 1 Part, 2 parts of glass fibre, 0.6 part of cement expansive material, 1 part of cement expansive material, 0.1 part of cellulose ether, polypropylene fibre 0.2 Part, 0.1 part of rubber powder, 0.08 part of Negel;
(3)Steel wire is arranged:When fire resisting covering is the 1/4 of gross thickness, sets swell fixture, subsequently lay steel from top to bottom Silk screen;
(4)Leveling:When fire resistant coating reaches design thickness, scrape 2 roads using water-proof putty, polish after being dried, until surfacing;
(5)Spray fire resistant coating:After leveling, in the colored paint that inner surface of tunnel spraying is selected.
Embodiment 2
A kind of construction method of environment-friendly type tunnel fire proofing coating, comprises the following steps:
(1)Tunnel structure removing surface:The imitation leather on removing tunnel double-lining surface, ghost, burr, carry out filling-in to construction joint, punching Wash greasy dirt, soil and the dust on tunnel double-lining surface;
(2)Sprayed fire proofing coating:In tunnel inner wall even application fireproof coating, form the fire resistant coating of thickness 1.6cm;Described anti- Fiery coating is made up of the raw material of following weight fraction ratio:40 parts of refractory cement, 10 parts of styrene-acrylic emulsion, 8 parts of expanded perlite, expansion 7 parts of Vermiculitum, 4 parts of aluminium hydroxide, 5 parts of meerschaum, 3 parts of potter's clay, 5 parts of china clay, 3 parts of Kaolin, 2 parts of precipitated calcium carbonate, wollastonite 1 Part, 3 parts of glass fibre, 0.8 part of cement expansive material, 0.7 part of cement expansive material, 0.2 part of cellulose ether, polypropylene fibre 0.1 part, 0.09 part of rubber powder, 0.08 part of Negel;
(3)Steel wire is arranged:When fire resisting covering is the 1/4 of gross thickness, sets swell fixture, subsequently lay steel from top to bottom Silk screen;
(4)Leveling:When fire resistant coating reaches design thickness, scrape 1 road using water-proof putty, polish after being dried, until surfacing;
(5)Spray fire resistant coating:After leveling, in the colored paint that inner surface of tunnel spraying is selected.
Embodiment 3
A kind of construction method of environment-friendly type tunnel fire proofing coating, comprises the following steps:
(1)Tunnel structure removing surface:The imitation leather on removing tunnel double-lining surface, ghost, burr, carry out filling-in to construction joint, punching Wash greasy dirt, soil and the dust on tunnel double-lining surface;
(2)Sprayed fire proofing coating:In tunnel inner wall even application fireproof coating, form the fire resistant coating of thickness 1.0cm;Described anti- Fiery coating is made up of the raw material of following weight fraction ratio:30 parts of refractory cement, 8 parts of styrene-acrylic emulsion, 12 parts of expanded perlite, expansion 6 parts of Vermiculitum, 6 parts of aluminium hydroxide, 4 parts of meerschaum, 5 parts of potter's clay, 3 parts of china clay, 2 parts of Kaolin, 3 parts of precipitated calcium carbonate, wollastonite 3 Part, 3 parts of glass fibre, 0.8 part of cement expansive material, 0.6 part of cement expansive material, 0.1 part of cellulose ether, polypropylene fibre 0.2 part, 0.05 part of rubber powder, 0.1 part of Negel;
(3)Steel wire is arranged:When fire resisting covering is the 1/4 of gross thickness, sets swell fixture, subsequently lay steel from top to bottom Silk screen;
(4)Leveling:When fire resistant coating reaches design thickness, scrape 1 road using water-proof putty, polish after being dried, until surfacing;
(5)Spray fire resistant coating:After leveling, in the colored paint that inner surface of tunnel spraying is selected.
Embodiment 4
A kind of construction method of environment-friendly type tunnel fire proofing coating, comprises the following steps:
(1)Tunnel structure removing surface:The imitation leather on removing tunnel double-lining surface, ghost, burr, carry out filling-in to construction joint, punching Wash greasy dirt, soil and the dust on tunnel double-lining surface;
(2)Sprayed fire proofing coating:In tunnel inner wall even application fireproof coating, form the fire resistant coating of thickness 1.2cm;Described anti- Fiery coating is made up of the raw material of following weight fraction ratio:35 parts of refractory cement, 8 parts of styrene-acrylic emulsion, 10 parts of expanded perlite, expansion 7 parts of Vermiculitum, 4 parts of aluminium hydroxide, 5 parts of meerschaum, 5 parts of potter's clay, 4 parts of china clay, 5 parts of Kaolin, 4 parts of precipitated calcium carbonate, wollastonite 2 Part, 3 parts of glass fibre, 0.8 part of cement expansive material, 0.5 part of cement expansive material, 0.15 part of cellulose ether, polypropylene fibre 0.3 part, 0.08 part of rubber powder, 0.06 part of Negel;
(3)Steel wire is arranged:When fire resisting covering is the 1/4 of gross thickness, sets swell fixture, subsequently lay steel from top to bottom Silk screen;
(4)Leveling:When fire resistant coating reaches design thickness, scrape 2 roads using water-proof putty, polish after being dried, until surfacing;
(5)Spray fire resistant coating:After leveling, in the colored paint that inner surface of tunnel spraying is selected.

Claims (6)

1. a kind of construction method of environment-friendly type tunnel fire proofing coating, comprises the following steps:Tunnel structure removing surface, sprayed fire proofing Coating, steel wire setting, leveling, spray fire resistant coating it is characterised in that in described sprayed fire proofing coating procedure, the fire prevention that adopted Coating is made up of the raw material of following weight fraction ratio:Refractory cement 25-40 part, styrene-acrylic emulsion 7-10 part, expanded perlite 8-12 Part, expanded vermiculite 4-8 part, aluminium hydroxide 4-6 part, meerschaum 2-6 part, potter's clay 2-6 part, china clay 2-5 part, Kaolin 2-5 part, light Matter Calcium Carbonate 2-4 part, wollastonite 1-3 part, glass fibre 1-3 part, cement expansive material 0.5-1 part, cement expansive material 0.5-1 Part, cellulose ether 0.1-0.3 part, polypropylene fibre 0.1-0.3 part, rubber powder 0.05-0.1 part, Negel 0.05-0.1 Part.
2. according to claim 1 the construction method of environment-friendly type tunnel fire proofing coating it is characterised in that described tunnel structure table Face cleaning includes:The imitation leather on removing tunnel double-lining surface, ghost, burr, carry out filling-in to construction joint, rinse tunnel double-lining surface Greasy dirt, soil and dust.
3. according to claim 1 environment-friendly type tunnel fire proofing coating construction method it is characterised in that described steel wire setting Including:When fire resisting covering is the 1/4 of gross thickness, sets swell fixture, subsequently lay steel wire from top to bottom.
4. according to claim 3 the construction method of environment-friendly type tunnel fire proofing coating it is characterised in that described fire resistant coating is total Thickness is 0.6-1.8cm.
5. according to claim 1 the construction method of environment-friendly type tunnel fire proofing coating it is characterised in that described leveling includes: When fire resistant coating reaches design thickness, scrape 1-2 road using water-proof putty, polish after being dried, until surfacing.
6. according to claim 1 environment-friendly type tunnel fire proofing coating construction method it is characterised in that described spray fire prevention enamel-cover Include:After leveling, in the colored paint that inner surface of tunnel spraying is selected.
CN201610752555.0A 2016-08-29 2016-08-29 Construction method for environment-friendly tunnel fire-proof coating Pending CN106401637A (en)

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Application Number Priority Date Filing Date Title
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1640949A (en) * 2004-12-23 2005-07-20 上海汇丽涂料有限公司 Tunel fire-retardant coating, its making method and construction technology
CN101407649A (en) * 2008-04-16 2009-04-15 北京冶建新技术公司 Adhesive complex tunnel fire-resisting paint
JP2012180685A (en) * 2011-03-01 2012-09-20 Strongplus Co Ltd Fire prevention panel including fastening hole, manufacturing method of the same and mold for fire prevention panel
CN103641409A (en) * 2013-11-26 2014-03-19 江苏博思源防火材料科技有限公司 Impervious tunnel fireproof paint
CN104895589A (en) * 2015-05-19 2015-09-09 济南城建集团有限公司 Construction method of fireproof coating of tunnel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1640949A (en) * 2004-12-23 2005-07-20 上海汇丽涂料有限公司 Tunel fire-retardant coating, its making method and construction technology
CN101407649A (en) * 2008-04-16 2009-04-15 北京冶建新技术公司 Adhesive complex tunnel fire-resisting paint
JP2012180685A (en) * 2011-03-01 2012-09-20 Strongplus Co Ltd Fire prevention panel including fastening hole, manufacturing method of the same and mold for fire prevention panel
CN103641409A (en) * 2013-11-26 2014-03-19 江苏博思源防火材料科技有限公司 Impervious tunnel fireproof paint
CN104895589A (en) * 2015-05-19 2015-09-09 济南城建集团有限公司 Construction method of fireproof coating of tunnel

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Application publication date: 20170215