Technical specification for arched corrugated steel roof
1 General provisions
1.0.1 This specification is formulated in order to adapt to the development of arched corrugated steel roof, and promote its reasonable construction and use, thus to achieve advanced technology, safety and applicability, economy and rationality, and ensure quality.
1.0.2 This specification is applicable to the design, manufacture, installation, acceptance and maintenance of arched corrugated steel roof of enclosed buildings with span not greater than 30m and not directly subject to dynamic action.
This specification is not applicable to buildings in the environment with strong corrosion, high long-term relative humidity and high temperature.
1.0.3 This specification is in accordance with the current national standards GB 50068 Unified standard for reliability design of building structures, GB 50083 Standard for terminology and symbols used in design of building structures, GB 50009 Load code for the design of building structures, GB 50011 Code for seismic design of buildings, GB 50017 Code for design of steel structures, GB 50018 Technical code of cold-formed thin-wall steel structures, GB 50205 Code for acceptance of construction quality of steel structures, GB/T 12754 Coloured paint coat steel plates and strips and other relevant regulations, and combined with the characteristics of arched corrugated steel roof.
1.0.4 The design, fabrication, installation, acceptance and maintenance of arched corrugated steel roof shall comply with this specification, and those not specified in this specification shall also comply with relevant current national standards.
2 Terms and symbols
2.1 Terms
2.1.1
prepainted steel sheet
a product obtained by baking and curing after being continuously coated with organic coatings on the steel substrate (at least 2 layers on the front) subject to surface pretreatment
2.1.2
steel substrate
steel strip for coating (including cladding)
2.1.3
arched corrugated steel roof
a roof structure that is formed by pressing the prepainted steel sheet into an arc steel groove plate with wrinkle by a special molding unit, connecting and installing it in place through a lock joint
2.1.4
structural unit
a single straight groove plate or an arc groove plate with wrinkle that is formed by continuously pressing the prepainted steel sheet with a special molding unit
2.1.5
1 General provisions
2 Terms and symbols
2.1 Terms
2.2 Symbols
3 Materials
4 General design requirements
4.1 General requirements
4.2 Design indexes
4.3 Load
4.4 Detailing requirements
5 Structural calculation
6 Fabrication and installation
6.1 General requirements
6.2 Fabrication
6.3 Installation
7 Engineering inspection and maintenance.
7.1 General requirements
7.2 Inspection items
7.3 Qualification judgment
7.4 Maintenance
Annex A Technical requirements for cladding and coating of prepainted steel sheet
Annex B Bending moment adjustment coefficient of arched corrugated steel roof
Annex C Critical load coefficient of arched corrugated steel roof
Annex D Equivalent section characteristics of arched corrugated steel roof
Explanation of wording in this specification
