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Guide to the Snow Load Provisions of ASCE 7-10, 2010
- Contents
- Preface
- Unit Conversions
- 1. Introduction
- 2. Ground Snow Loads [Go to Page]
- 2.1 Influence of Latitude, Elevation, and Coastlines
- 2.2 Site-Specific Case Studies
- Example 2-1: Ground Snow Loads
- 3. Flat Roof Snow Loads [Go to Page]
- 3.1 Measured Conversion Factors
- 3.2 Flat Roof Snow Load
- 3.3 Exposure Factor (C[sub(e)])
- 3.4 Thermal Factor (C[sub(t)])
- 3.5 Importance Factor (I[sub(s)])
- 3.6 Minimum Snow Loads for Low-Sloped Roofs
- Example 3-1: Roof Exposure
- 4. Sloped Roof Snow Loads [Go to Page]
- 4.1 Snow Sliding
- 4.2 Balanced Roof Snow Load for Common New Construction
- Example 4-1: Uniform Roof Snow Load, Monoslope Roof (1 on 12)
- Example 4-2: Uniform Roof Snow Load, Monoslope Roof (4 on 12)
- Example 4-3: Uniform Roof Snow Load, Wide Gable Roof
- 5. Partial Loads [Go to Page]
- 5.1 Continuous-Beam Systems
- 5.2 Other Structural Systems
- Example 5-1: Uniform and Partial Snow Loads, Monoslope Roof with Overhang
- Example 5-2: Partial Snow Load, Continuous Purlins in Gable Roof (1 on 12)
- Example 5-3: Partial Snow Load, Continuous Purlins in Gable Roof (3 on 12)
- Example 5-4: Partial Snow Load, Cantilevered Roof Girder System
- 6. Unbalanced Loads [Go to Page]
- 6.1 Hip and Gable Roofs
- 6.2 Curved Roofs
- 6.3 Sawtooth-Type Roofs
- 6.4 Domes
- Example 6-1: Unbalanced Snow Load, Narrow Gable Roof
- Example 6-2: Unbalanced Snow Load, Wide Gable Roof
- Example 6-3: Unbalanced Snow Load, Asymmetric Gable Roof
- Example 6-4: Balanced and Unbalanced Snow Load, Curved Roof
- Example 6-5: Unbalanced Snow Load, Sawtooth Roof
- 7. Drifts on Lower Roofs [Go to Page]
- 7.1 Leeward Drift
- 7.2 Windward Drift
- 7.3 Adjacent Roofs
- Example 7-1: Roof Step Drift Load
- Example 7-2: Roof Step Drift, Limited Height
- Example 7-3: Roof Step Drift, Low Ground Snow Load
- Example 7-4: Roof Step Drift, Adjacent Structure
- 8. Roof Projections [Go to Page]
- Example 8-1: Parapet Wall Drift
- Example 8-2: Rooftop Unit (RTU) Drift
- Example 8-3: Parapet Wall Drift, Low Ground Snow Load
- 9. Sliding Snow Loads [Go to Page]
- 9.1 Adjacent Roofs
- 9.2 Separated Roofs
- Example 9-1: Sliding Snow Load, Residential Gable Roof (4 on 12)
- Example 9-2: Sliding Snow Load, Commercial Gable Roof (1 on 12)
- Example 9-3: Sliding Snow Load, Separated Roof
- 10. Rain-on-Snow Surcharge Loads [Go to Page]
- Example 10-1: Uniform Design Snow Load, Monoslope Roof (¼ on 12)
- Example 10-2: Uniform Design Snow Load, Gable Roof (¼ on 12)
- 11. Ponding Instability and Existing Roofs [Go to Page]
- 11.1 Ponding Instability
- 11.2 Existing Roofs
- 12. Design Examples [Go to Page]
- Design Example 1
- Design Example 2
- Design Example 3
- 13. Frequently Asked Questions
- References
- Appendix
- Index [Go to Page]
- A
- B
- C
- D
- E
- F
- G
- H
- I
- L
- M
- N
- P
- Q
- R
- S
- T
- U
- W
- About the Author [Go to Page]