CN108915087A - A kind of weather-proof H profile steel of steel house and the matched method of corrosion-inhibiting coating - Google Patents
A kind of weather-proof H profile steel of steel house and the matched method of corrosion-inhibiting coating Download PDFInfo
- Publication number
- CN108915087A CN108915087A CN201810765789.8A CN201810765789A CN108915087A CN 108915087 A CN108915087 A CN 108915087A CN 201810765789 A CN201810765789 A CN 201810765789A CN 108915087 A CN108915087 A CN 108915087A
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- Prior art keywords
- steel
- weather
- proof
- coating
- profile
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Classifications
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- 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
- E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
- E04B1/642—Protecting metallic construction elements against corrosion
Abstract
A kind of weather-proof H profile steel of steel house and the matched method of corrosion-inhibiting coating, belong to the weather-proof H profile steel technical field of steel house.Specific steps and method are first to select weather-proof H profile steel, then construct, and steel house uses cast-in-place concrete structure；Again by main weather-proof H profile steel steel construction and its accessory through spraying pearl Shot Blasting, derusting grade must meet 1/2 grade of specification Sa2 or more；Coating finally is carried out to weather-proof H profile steel, when fire resistant coating is 20~30mm thicker fireproof coating, steel column >=2.5 hour fire endurance requirement need to be met；When fire resistant coating is 10mm thicker fireproof coating, girder steel >=1.5 hour fire endurance requirement need to be met.The advantage is that may be implemented H profile steel in system of steel residential structure exempts to coat or reduce coating anti-corrosion fire resistant coating, achieve the purpose that green steel house construction.
Description
Technical field
The invention belongs to the weather-proof H profile steel technical field of steel house, the in particular to weather-proof H-types of a kind of steel house
Steel and the matched method of corrosion-inhibiting coating.
Background technique
Steel house refers to the residential housing using steel as building bearing beam column, and its advantages have：1, light-weight, intensity
Height is 1/2 or so of armored concrete house with the house weight that steel construction is built；Meet the needs of house large bay, uses
Area ratio armored concrete house improves 4% or so.2, security reliability, antidetonation, wind resistance are good.3, steel structure member is in work
Factory's production, reduces site workload, shortens the construction period, meets industrialized requirement.4, steel construction factory production quality is reliable, ruler
It is very little accurate, it is easy for installation, easily cooperate to related component.5, steel can recycle, and environmental pollution is less when building and removing.
Steel house is third generation building, it is using production H profile steel and thin-walled clod wash C, Z-shape steel combination or building bone
Frame, roofing and wall use Coloured Profiled Sheet or color steel sandwich plate, replace traditional reinforcing bar substantially in developed country
Concrete construction.It has total amount is light, span is big, materials are few, low cost, save basis, short construction period, securely and reliably, make
The advantages that type is beautiful.Steel house is widely applied and single storey industry workshop, warehouse, commercial building, office block, Multilayer parking
The buildings such as field and private residence.
Steel house is to be with c-type, Z-shaped purline and column braces using cross-section or variable section H-type steel as load-bearing main body
Connection assist is fixed by modes such as bolt or welding, and roofing and metope are gone along with sb. to guard him with color profiling steel plate and formed novel
Building system.Steel house has many advantageous characteristics compared with conventional building construction.
Weather-proof H profile steel steel house have the advantages that it is many, but how to make in its application process with anti-corrosion, fire resistant coating
Matching use so that weather-proof steel house compared to straight carbon steel steel house service life improve and the not raised mesh of cost
's.
Summary of the invention
The purpose of the present invention is to provide a kind of weather-proof H profile steel of steel house and the matched method of corrosion-inhibiting coating, solutions
It has determined general carbon H profile steel poor corrosion resistance, service life low problem.Using the weather resistance that weather-proof H profile steel is excellent, substitute existing
General carbon H profile steel uses, and can be reduced the usage quantity of corrosion-inhibiting coating with its excellent corrosion resistance, thus do not increase steel construction at
Under conditions of this, the steel construction service life is improved.
A kind of weather-proof H profile steel of steel house and the matched method of corrosion-inhibiting coating, specific steps and method are as follows：
1, weather-proof H profile steel is selected, the mass percent of chemical component is：C：0.12~0.16%, Si：0.30~
0.5%, Mn：0.7~1.1%, P≤0.025%, S≤0.015%, Cu：0.25~0.40%, Cr：0.4-0.6%, Ni:
0.16~0.25%, V:0.02-0.03%, Al：0.003~0.010%, surplus is Fe and inevitable impurity；
2, steel house uses cast-in-place concrete structure, and ground main structure uses steel frame-steel support structure system；
Steel column uses rectangular steel-tube concrete column, and having a size of 300 × 300mm, interior filling C50 self-compacting concrete, steel-column foundation is used and buried
Enter formula suspension column；Using the narrow beam of rolling H shape, 150 × 300~150 × 400mm of girder steel section solves steel house head beam and asks
Topic；Beam-to-column joint uses bolt-weld joint, can effectively reduce node connection steel using amount；Support uses the welded H type of H150 × 150mm
Steel.
3, main weather-proof H profile steel steel construction and its accessory must not be able to hand cleaning and (remove through spraying pearl (sand) Shot Blasting
Outside zinc-plated ironware), derusting grade must meet 1/2 grade of specification Sa2 or more.All exposed steel member segments make junction, weld seam
It is required that polishing flushes, without obvious weld mark after brushing investment precoat.
4, coating is carried out to weather-proof H profile steel：Weather-proof H profile steel includes steel column and girder steel, when fire resistant coating is 20~30mm thick
When type fireproof coating, steel column >=2.5 hour fire endurance requirement need to be met；When fire resistant coating is 10mm thicker fireproof coating,
Girder steel >=1.5 hour fire endurance requirement need to be met；
It uses the Coating of weather-proof H profile steel steel house for priming paint+finishing coat+fireproof coating, compares Coating bottom
Paint+general carbon H profile steel the steel house of intermediate coat+finishing coat+fireproof coating, weather-proof H profile steel and general carbon H profile steel weather resistance phase
When, or better than the weather resistance of general carbon H profile steel.
Weather-proof H profile steel steel house priming paint uses epoxy zinc-rich paint, 60~100um of paint film thickness；Steel column fireproof coating is adopted
10mm thicker fireproof coating is used with 20~30mm thicker fireproof coating, girder steel fireproof coating.
The advantage of the invention is that：A kind of steel house is provided and matches one used with corrosion-inhibiting coating with weather-proof H profile steel
Coating anti-corrosion fire resistant coating is exempted to coat or be reduced to kind of method by what this method may be implemented H profile steel in system of steel residential structure,
Achieve the purpose that green steel house construction, preliminary the problems such as solving the technologies such as steel house building anti-corrosion.
Specific embodiment
Embodiment 1
A kind of weather-proof H profile steel of steel house and the matched method of corrosion-inhibiting coating, specific steps and method are as follows：
1, weather-proof H profile steel is selected, the mass fraction of chemical component is：C：0.13%, Si：0.40%, Mn：1.0%, P：
0.01%, S：0.01%, Cu：0.40%, Cr：0.4%, Ni:0.16~0.25%, V:0.02%, Al：0.003%, surplus is
Fe and inevitable impurity；
2, steel house uses cast-in-place concrete structure, and ground main structure uses steel frame-steel support structure system；
Steel column uses rectangular steel-tube concrete column, and having a size of 300 × 300mm, interior filling C50 self-compacting concrete, steel-column foundation is used and buried
Enter formula suspension column；Using the narrow beam of rolling H shape, 150 × 300mm of girder steel section, solves the problems, such as steel house head beam；Beam-to-column joint
Using bolt-weld joint, node connection steel using amount can be effectively reduced；Support uses the welded H section steel of H150 × 150mm.
3, main weather-proof H profile steel steel construction and its accessory must not be able to hand cleaning and (remove through spraying pearl (sand) Shot Blasting
Outside zinc-plated ironware), derusting grade must meet 1/2 grade of specification Sa2 or more.All exposed steel member segments make junction, weld seam
It is required that polishing flushes, without obvious weld mark after brushing investment precoat.
4, coating is carried out to weather-proof H profile steel：
Steel construction includes steel column and girder steel, and steel column fireproof coating uses 25mm thicker fireproof coating, it is small to meet steel column >=2.5
When fire endurance require, girder steel fireproof coating use 10mm thicker fireproof coating, meet girder steel >=1.5 hour fire endurance and want
It asks.
Use the coating of the surface anticorrosion paint of weather-proof H profile steel steel house for：Priming, finishing coat and fireproof coating,
Compared to the general carbon H profile steel steel house of Coating priming paint+intermediate coat+finishing coat and fireproof coating, weather-proof H profile steel is better than general carbon
The weather resistance of H profile steel.
Weather-proof H profile steel steel house priming paint uses epoxy zinc-rich paint, paint film thickness 70um；Steel column fireproof coating uses 25mm
Thicker fireproof coating, girder steel fireproof coating use 10mm thicker fireproof coating.
Claims (2)
1. a kind of weather-proof H profile steel of steel house and the matched method of corrosion-inhibiting coating, which is characterized in that specific steps and method
It is as follows：
1) weather-proof H profile steel is selected, the mass percent of chemical component is：C：0.12~0.16%, Si：0.30~0.5%,
Mn：0.7~1.1%, P≤0.025%, S≤0.015%, Cu：0.25~0.40%, Cr：0.4-0.6%, Ni:0.16~
0.25%, V:0.02-0.03%, Al：0.003~0.010%, surplus is Fe and inevitable impurity；
2) steel house uses cast-in-place concrete structure, and ground main structure uses steel frame-steel support structure system；Steel column
Using rectangular steel-tube concrete column, having a size of 300 × 300mm, interior filling C50 self-compacting concrete, steel-column foundation uses flush type
Suspension column；Using the narrow beam of rolling H shape, 150 × 300~150 × 400mm of girder steel section；Beam-to-column joint uses bolt-weld joint；Support is adopted
With the welded H section steel of H150 × 150mm；
3) main weather-proof H profile steel steel construction and its accessory must not be able to hand cleaning, derusting grade palpus through spraying pearl Shot Blasting
Meet 1/2 grade of specification Sa2 or more；All exposed steel member segments make junction, and weld seam will polish and flush, and brushing surface layer applies
Without obvious weld mark after material；
4) coating is carried out to weather-proof H profile steel：Weather-proof H profile steel includes steel column and girder steel, when fire resistant coating is anti-for 20~30mm thicker
When fiery coating, steel column >=2.5 hour fire endurance requirement need to be met；When fire resistant coating is 10mm thicker fireproof coating, need to expire
Sufficient girder steel >=1.5 hour fire endurance requirement.
2. the method according to claim 1, wherein weather-proof H profile steel Coating described in step 4) is bottom
Paint+finishing coat+fireproof coating；Priming paint uses epoxy zinc-rich paint, 60~100um of paint film thickness；Steel column fireproof coating uses 20~30mm
Thicker fireproof coating, girder steel fireproof coating use 10mm thicker fireproof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765789.8A CN108915087A (en) | 2018-07-12 | 2018-07-12 | A kind of weather-proof H profile steel of steel house and the matched method of corrosion-inhibiting coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765789.8A CN108915087A (en) | 2018-07-12 | 2018-07-12 | A kind of weather-proof H profile steel of steel house and the matched method of corrosion-inhibiting coating |
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| Publication Number | Publication Date |
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| CN108915087A true CN108915087A (en) | 2018-11-30 |
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| CN201810765789.8A Pending CN108915087A (en) | 2018-07-12 | 2018-07-12 | A kind of weather-proof H profile steel of steel house and the matched method of corrosion-inhibiting coating |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3818042C1 (en) * | 1988-05-27 | 1989-01-26 | Bernd 4401 Saerbeck De Bockhacker | Process for producing accessible structural steel elements exposed to environmental pollution |
| CN102249708A (en) * | 2011-05-16 | 2011-11-23 | 西南科技大学 | Preparation method for anti-corrosion and flameproof integrated coating for thick-type steel structure |
| CN102837105A (en) * | 2012-09-27 | 2012-12-26 | 中铁山桥集团有限公司 | Welding method for Q345qDNH weather-resisting steel for bridge |
| CN105421818A (en) * | 2015-12-08 | 2016-03-23 | 徐州中煤百甲重钢科技股份有限公司 | Embedded steel structure assembling residence |
| CN106867345A (en) * | 2017-03-10 | 2017-06-20 | 西南科技大学 | A kind of gypsum slag cement base thicker steel structure fireproofing, anti-corrosion, the preparation method of heat insulation integrated coating |
-
2018
- 2018-07-12 CN CN201810765789.8A patent/CN108915087A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3818042C1 (en) * | 1988-05-27 | 1989-01-26 | Bernd 4401 Saerbeck De Bockhacker | Process for producing accessible structural steel elements exposed to environmental pollution |
| CN102249708A (en) * | 2011-05-16 | 2011-11-23 | 西南科技大学 | Preparation method for anti-corrosion and flameproof integrated coating for thick-type steel structure |
| CN102837105A (en) * | 2012-09-27 | 2012-12-26 | 中铁山桥集团有限公司 | Welding method for Q345qDNH weather-resisting steel for bridge |
| CN105421818A (en) * | 2015-12-08 | 2016-03-23 | 徐州中煤百甲重钢科技股份有限公司 | Embedded steel structure assembling residence |
| CN106867345A (en) * | 2017-03-10 | 2017-06-20 | 西南科技大学 | A kind of gypsum slag cement base thicker steel structure fireproofing, anti-corrosion, the preparation method of heat insulation integrated coating |
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Application publication date: 20181130 |