CN109518900B - Bare top decoration structure of steel structure building and elastic coating construction method - Google Patents
Bare top decoration structure of steel structure building and elastic coating construction method Download PDFInfo
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- CN109518900B CN109518900B CN201811560176.7A CN201811560176A CN109518900B CN 109518900 B CN109518900 B CN 109518900B CN 201811560176 A CN201811560176 A CN 201811560176A CN 109518900 B CN109518900 B CN 109518900B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 49
- 239000010959 steel Substances 0.000 title claims abstract description 49
- 238000010276 construction Methods 0.000 title claims abstract description 41
- 239000011248 coating agent Substances 0.000 title claims abstract description 40
- 238000000576 coating method Methods 0.000 title claims abstract description 40
- 238000005034 decoration Methods 0.000 title claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 76
- 239000003973 paint Substances 0.000 claims description 70
- 238000005507 spraying Methods 0.000 claims description 47
- 239000003292 glue Substances 0.000 claims description 26
- 239000011241 protective layer Substances 0.000 claims description 23
- 239000000839 emulsion Substances 0.000 claims description 18
- 239000002344 surface layer Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000010790 dilution Methods 0.000 claims description 7
- 239000012895 dilution Substances 0.000 claims description 7
- 230000009970 fire resistant effect Effects 0.000 claims description 7
- 239000004816 latex Substances 0.000 claims description 7
- 229920000126 latex Polymers 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 14
- 238000012546 transfer Methods 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000005336 cracking Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000007605 air drying Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a steel structure building bare top decorative structure and an elastic coating construction method. The invention has the effects of heat insulation, reduces the speed of heat transfer to the steel structure in fire, prolongs the bearing time, ensures the integral bonding strength, realizes the construction of flow operation, improves the operation efficiency and can improve the integral decoration effect.
Description
Technical Field
The invention relates to the technical field of building decoration, in particular to a steel structure building bare top decoration structure and an elastic coating construction method.
Background
The application range of the existing steel structure in the constructional engineering is gradually enlarged, the weight of the steel structure building is 30% lighter than that of the traditional building, the steel structure building has excellent anti-seismic performance, the foundation cost is low, the space utilization rate is high, the novel energy-saving and environment-friendly wall material is adopted to be matched with the steel structure building, the characteristics of industrial production and standardized manufacturing are easy to realize, and the steel structure building is widely applied, but compared with the traditional building, the steel structure building has far inferior fire resistance due to the characteristic problem of the steel structure material. The critical temperature of the steel structure losing static balance stability is about 500 ℃, and plastic deformation of the steel structure can occur rapidly at high temperature in a fire disaster. For the building, floor and structure beam column that former civil engineering main part is steel reinforced concrete structure, fire grade requirement is higher, and to decorating the engineering, because of steel construction's building form, after civil engineering unit welding is accomplished, be difficult to open pore and top surface secondary conversion at the structure surface, this will seriously influence the load safety of structure, decorating the unit and can only be under construction at the hole that civil engineering reserved, restricted the completion effect of decorating, increased the technical difficulty for also constructing simultaneously. In the conventional steel structure building decoration construction, the top surface of the steel structure and the beam column are often directly sprayed with emulsion paint or fireproof mortar, and the technology has the following defects: 1. because the bottom layer of the original floor slab is a galvanized steel plate, emulsion paint is directly sprayed, the steel plate is difficult to adsorb, the problems of shell formation, cracking, falling and the like are very easy to occur, and the steel plate is difficult to pass fire-fighting acceptance; 2. by adopting the fireproof mortar spraying, the fire-fighting acceptance inspection can be met, but the final decoration effect is seriously affected due to the problems of single decoration effect, monotonous color, easy shell lifting, cracking, falling-off and the like of the mortar. 3. Because the welding part and the top bridge frame in the steel structure construction are easy to rust, the later maintenance cost is higher, and hidden danger exists in fire safety.
Disclosure of Invention
The invention aims to solve the problems of the prior art, and provides a steel structure building bare top decoration structure with good fireproof and flame-retardant effects, and a stretch coating construction method, which avoid the problems of shell lifting, cracking and falling.
The specific technical scheme is as follows: the utility model provides a naked top decorative structure of steel construction building, includes fire-resistant thermal-insulated protective layer, glue layer, bottom coating, relief (sculpture) paint texture layer, emulsion paint surface course, fire-resistant thermal-insulated protective layer sets up in former steel construction basic unit surface, and the bottom coating passes through the glue layer to be connected with the protective layer, and relief (sculpture) paint texture layer sets up in the bottom coating surface, and emulsion paint surface course sets up in relief (sculpture) paint texture layer surface.
The following is an attached technical scheme of the invention.
Preferably, the fireproof heat-insulating protective layer is formed by organic resin fireproof paint, and the thickness of the fireproof heat-insulating protective layer is within 3 mm.
Preferably, the thickness of the glue layer is 0.8-1mm, and the thickness of the bottom coating is within 3 mm.
Preferably, the lacquer texture layer has an embossment-like texture.
A spring coating construction method of a steel structure building bare top decoration structure comprises the following steps: s100) coating a fireproof heat-insulating protective layer on the surface of the original steel structure base layer; s200) spraying a glue layer on the fireproof heat-insulating protective layer; s300) spraying an undercoat layer on the glue layer; s400) spraying a relief paint texture layer on the bottom coat, wherein the relief paint texture layer adopts relief paint to carry out layered spraying to make an embossment-like texture; s500) spraying a latex paint surface layer on the relief paint texture layer.
As an optimal scheme, the base coating is prepared from 901 glue, white cement, putty powder and emulsion paint in a ratio of 15:6:14:2, the emulsion paint of the emulsion paint surface layer is diluted by clean clear water, the dilution ratio is not more than 5%, and the secondary spraying construction is carried out.
As a preferable scheme, when spraying, the relative humidity of the spraying environment is less than 85%, the water content of the base layer before spraying is less than 14%, and the alkaline PH value is less than 10.
In the S100, before the fireproof heat insulation protection layer is coated, the original steel structure base layer is cleaned after dust removal and rust removal, and after the fireproof heat insulation protection layer is dried, the surface ash blocks and floating dust are cleaned, and the gap is sealed in advance.
Preferably, when executing step S500, the method includes the following steps:
s501), stirring emulsion paint uniformly by adopting a stirrer;
s502) spraying the first time by using a microcomputer control pressure spraying controller;
s503) carrying out second spraying construction after the first coating construction is completed and naturally air-dried.
Preferably, the spraying thickness of the glue layer is controlled to be 0.8-1mm, and the spraying thickness of the base coat is controlled to be within 3 mm.
The invention has the technical effects that: according to the steel structure building bare top decoration structure and the elastic coating construction method, the fireproof coating is coated to form the protective layer, so that the heat insulation effect is achieved, the speed of heat transfer to the steel structure in a fire disaster is reduced, and the bearing time of the steel structure building bare top decoration structure is prolonged; the adhesion between the base coat and the fireproof paint is increased by adopting 901 glue, the adhesive force of the base coat is improved by testing the proportion of glue, white cement, putty powder and emulsion paint, and the integral adhesive strength is ensured. Adopting professional relief paint to perform the middle layer paint function, and attempting to paint in a layering manner according to design requirements to form an embossing-like shape; in order to ensure uniform and consistent coating, no bottom penetration and no sagging, the finishing paint is added with clean clear water for dilution, the dilution ratio is tested, and secondary finishing paint construction is carried out after natural air drying, so that the overall decorative effect is ensured; through mechanized spraying treatment, reasonable construction sequence and intelligent equipment are adopted, the problems of different colors, falling, bottom leakage and the like during spraying are avoided, the construction is carried out in a pipelining mode, and the operation efficiency is improved. The novel building form of sustainable development strategy is promoted, and the novel building form accords with the direction of green, environment-friendly, energy-saving, emission reduction, circulation and sustainable development.
Drawings
Fig. 1 is a schematic view of a steel structure building bare top decorative structure according to an embodiment of the invention.
Detailed Description
The essential features and advantages of the invention will be further elucidated with reference to the examples, without however being limited to the embodiments listed.
As shown in FIG. 1, the bare top decoration structure of the steel structure building of this embodiment comprises a fireproof heat insulation protection layer 1, a glue layer 2, an undercoat layer 3, a relief paint texture layer 4 and a latex paint surface layer 5, wherein the fireproof heat insulation protection layer 1 is arranged on the surface of a primary steel structure base layer 6, the undercoat layer 3 is connected with the protection layer 1 through the glue layer 2, the relief paint texture layer 4 is arranged on the surface of the undercoat layer 3, and the latex paint surface layer 5 is arranged on the surface of the relief paint texture layer 4. According to the technical scheme, the fireproof coating can be prevented from falling off through the fireproof heat-insulating protective layer, the purposes of fireproof and flame retardation are achieved, and the requirements of fire protection acceptance are met; the adhesive strength with the bottom coating can be improved by arranging the glue layer 2; the surface layer decorative effect can be greatly improved through the embossed paint texture layer 4;
in this embodiment, the fire-resistant heat-insulating protection layer is formed by organic resin fire-retardant coating, and the thickness of fire-resistant heat-insulating protection layer is within 3mm for the thickness of fire-resistant heat-insulating protection layer makes the veneer bond strength better.
In this embodiment, the thickness of the glue layer is 0.8-1mm, and the thickness of the primer layer is within 3mm, so as to avoid the problems of shelling, cracking and falling of the decorative structure.
In this embodiment, the relief paint texture layer has an embossment-like texture, thereby improving the decorative effect.
A spring coating construction method of a steel structure building bare top decoration structure comprises the following steps: s100) coating a fireproof heat-insulating protective layer on the surface of the original steel structure base layer; s200) spraying a glue layer on the fireproof heat-insulating protective layer; s300) spraying an undercoat layer on the glue layer; s400) spraying a relief paint texture layer on the bottom coat, wherein the relief paint texture layer adopts relief paint to carry out layered spraying to make an embossment-like texture; s500) spraying a latex paint surface layer on the relief paint texture layer. According to the technical scheme, the fireproof paint is coated to form the protective layer, so that the heat insulation effect is achieved, the speed of heat transfer to the steel structure in the case of fire is reduced, and the bearing time of the steel structure is prolonged; and the integral decorative effect is improved while the diversified construction of the structural steel construction is satisfied.
In the embodiment, the base coating is prepared from 901 glue, white cement, putty powder and emulsion paint in a ratio of 15:6:14:2, the emulsion paint of the emulsion paint surface layer is diluted by clean clear water, the dilution ratio is not more than 5%, and the secondary spraying construction is carried out.
In this embodiment, during spraying, the relative humidity of the spraying environment is less than 85%, the water content of the base layer before spraying is less than 14%, and the alkaline PH value is less than 10. Considering that the fireproof paint is mostly dissolved oil as a diluent before spraying, the surface of the paint is likely to be dewed, the cohesive force of the paint is destroyed in order to avoid the falling of the paint, and a hygrometer is used for testing the water content of a base layer of the painting operation, the water content is less than 14%, and the alkaline PH value is less than 10.
In this embodiment, in S100, before the fireproof heat-insulating protection layer is painted, the original steel structure base layer needs to be cleaned after dust removal and rust removal, and after the fireproof heat-insulating protection layer is dried, the surface ash blocks and floating dust are cleaned, and the gap is sealed in advance, so that the fireproof coating can be prevented from falling off.
In this embodiment, when executing step S500, the method includes the following steps: s501), stirring emulsion paint uniformly by adopting a stirrer; s502) spraying the first time by using a microcomputer control pressure spraying controller; s503) carrying out second spraying construction after the first coating construction is completed and naturally air-dried. During stirring, a J1Z-FF03-13B type hand-held stirrer is adopted, and during spraying, a LIUN2800i microcomputer is adopted to control a pressure injection controller. The large-area paint spraying construction should be performed by paying attention to the construction sequence from top to bottom, and by cooperative operation of multiple persons, cooperation operation and assembly line type construction operation, the problem of middle coating is corrected and repaired in time; cross contamination should be avoided during construction, and if pollution phenomenon caused by insufficient protection occurs, the pollution phenomenon should be cleaned and hygienic in time.
In the embodiment, the spraying thickness of the glue layer is controlled to be 0.8-1mm, and the spraying thickness of the bottom coating is controlled to be within 3mm, so that the problems of shell lifting, cracking and falling of the decorative structure are avoided.
The steel structure building bare roof decorative structure and the elastic coating construction method are coated with the fireproof paint to form a protective layer, so that the protective layer plays a role in heat insulation, the speed of heat transfer to the steel structure in fire is reduced, and the bearing time of the steel structure building bare roof decorative structure is prolonged; the adhesion between the base coat and the fireproof paint is increased by adopting 901 glue, the adhesive force of the base coat is improved by testing the proportion of glue, white cement, putty powder and emulsion paint, and the integral adhesive strength is ensured. Adopting professional relief paint to perform the middle layer paint function, and attempting to paint in a layering manner according to design requirements to form an embossing-like shape; in order to ensure uniform and consistent coating, no bottom penetration and no sagging, the finishing paint is added with clean clear water for dilution, the dilution ratio is tested, and secondary finishing paint construction is carried out after natural air drying, so that the overall decorative effect is ensured; through mechanized spraying treatment, reasonable construction sequence and intelligent equipment are adopted, the problems of different colors, falling, bottom leakage and the like during spraying are avoided, the construction is carried out in a pipelining mode, and the operation efficiency is improved. The novel building form of sustainable development strategy is promoted, and the novel building form accords with the direction of green, environment-friendly, energy-saving, emission reduction, circulation and sustainable development.
It should be noted that the foregoing description of the preferred embodiments is merely illustrative of the technical concept and features of the present invention, and is not intended to limit the scope of the invention, as long as the scope of the invention is defined by the claims and their equivalents. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (5)
1. The elastic coating construction method of the steel structure building bare top decorative structure is characterized by comprising a fireproof heat insulation protective layer, a glue layer, an undercoat layer, a relief paint texture layer and a latex paint surface layer, wherein the fireproof heat insulation protective layer is arranged on the surface of a base layer of an original steel structure, the undercoat layer is connected with the protective layer through the glue layer, the relief paint texture layer is arranged on the surface of the undercoat layer, and the latex paint surface layer is arranged on the surface of the relief paint texture layer;
the fireproof heat-insulating protective layer is formed by organic resin fireproof paint, and the thickness of the fireproof heat-insulating protective layer is within 3 mm;
the thickness of the glue layer is 0.8-1mm, and the thickness of the bottom coating is within 3 mm;
the relief paint texture layer has an embossment-like texture;
the method comprises the following steps: s100) coating a fireproof heat-insulating protective layer on the surface of the original steel structure base layer;
s200) spraying a glue layer on the fireproof heat-insulating protective layer;
s300) spraying an undercoat layer on the glue layer;
s400) spraying a relief paint texture layer on the bottom coat, wherein the relief paint texture layer adopts relief paint to carry out layered spraying to make an embossment-like texture;
s500) spraying a latex paint surface layer on the relief paint texture layer;
the base coating is prepared from 901 glue, white cement, putty powder and emulsion paint in a ratio of 15:6:14:2, the emulsion paint of the emulsion paint surface layer is diluted by clean clear water, the dilution ratio is not more than 5%, and the secondary spraying construction is carried out.
2. The method for coating the steel structure building bare top decoration structure according to claim 1, wherein the relative humidity of the coating environment is less than 85% during coating, the water content of the base layer before coating is less than 14%, and the alkaline pH value is less than 10.
3. The method for elastic coating construction of bare top decorative structure of steel structure building according to claim 1, wherein in S100, before painting fire-resistant heat-insulating protective layer, the original steel structure base layer needs to be cleaned after dust removal and rust removal, and after the fire-resistant heat-insulating protective layer is dried, the surface ash blocks and floating dust are cleaned, and the gap is sealed in advance.
4. The method for the elastic coating construction of the bare top decorative structure of the steel structure building according to claim 1, wherein when the step S500 is performed, it comprises the steps of:
s501), stirring emulsion paint uniformly by adopting a stirrer;
s502) spraying the first time by using a microcomputer control pressure spraying controller;
s503) carrying out second spraying construction after the first coating construction is completed and naturally air-dried.
5. The method for elastic coating construction of the steel structure building bare top decorative structure according to claim 1, wherein the spraying thickness of the glue layer is controlled to be 0.8-1mm, and the spraying thickness of the base coat is controlled to be within 3 mm.
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| CN112411892A (en) * | 2020-11-10 | 2021-02-26 | 湖北福泰建筑装饰工程有限公司 | Bare top decoration structure of steel structure building and elastic coating construction method |
| CN112681746A (en) * | 2020-12-01 | 2021-04-20 | 苏州市华丽美登装饰装璜有限公司 | Construction process for smearing thick fireproof paint on steel structure |
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| CN108277940A (en) * | 2017-12-29 | 2018-07-13 | 上海建工建集团有限公司 | Steel structure column decorative structure and preparation method thereof |
| CN107955531A (en) * | 2018-01-04 | 2018-04-24 | 青岛海弗莱安全科技有限公司 | A kind of flame retardant type cladding cladding protective system and its construction method |
| CN108265845A (en) * | 2018-03-27 | 2018-07-10 | 陕西建工第二建设集团有限公司 | A kind of steel column surface thicker fire lagging structure and its construction method |
| CN109021823A (en) * | 2018-08-23 | 2018-12-18 | 上海金力泰化工股份有限公司 | A kind of ceramic coating and its application method with true stone effect |
| CN209585473U (en) * | 2018-12-20 | 2019-11-05 | 苏州金螳螂建筑装饰股份有限公司 | A kind of naked top decorating structure of steel building |
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