Chapter
Jun 21, 2023
Chapter 5
Partial Loads
Publication: Snow Loads: Guide to the Snow Load Provisions of ASCE 7-22
Abstract
The partial loading is required for continuous structural members, such as roof purlins in metal building systems, where a reduction in snow loading on one span results in an increase in stress or deflection in an adjacent span. Although partial loading for a roof can be compared to the checkerboard loading pattern used for floor design, an actual checkerboard pattern is not prescribed for roof snow. Instead, continuous-beam systems are investigated for the effects of three loading cases. The general patterns presented in Cases 1, 2, and 3 could also arise because of roof snow removal operations. There are other structural systems, besides purlins and frames in metal building systems, where the removal of the roof snow from one portion will result in an increase in stress or deflection at another portion.
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Published In
Snow Loads: Guide to the Snow Load Provisions of ASCE 7-22
Pages: 47 - 57
Copyright
© 2023 American Society of Civil Engineers.
History
Published online: Jun 21, 2023
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ASCE Technical Topics:
- Architectural engineering
- Building systems
- Continuous structures
- Design (by type)
- Drop structures
- Engineering fundamentals
- Engineering materials (by type)
- Engineering mechanics
- Load factors
- Materials engineering
- Metals (material)
- Roofs
- Snow loads
- Static loads
- Statics (mechanics)
- Structural behavior
- Structural deflection
- Structural design
- Structural engineering
- Structural systems
- Structures (by type)
Authors
Affiliations
Michael O’Rourke, Ph.D.
P.E.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.