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ASCE 9780784407257 2004

$29.25

Snow Loads

Published By Publication Date Number of Pages
ASCE 2004 150
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O’Rourke and Wrenn provide the only authoritative guide to the snow loading provisions of Standard ASCE 7-02, Minimum Design Loads for Buildings and Other Structures.

PDF Catalog

PDF Pages PDF Title
6 Contents
8 List of Figures
12 List of Tables
14 Preface
16 Acknowledgments
18 1. Introduction
22 2. Ground Snow Load
23 2.1 Influence of Latitude, Elevation, and Coastlines
25 2.2 Site-Specific Case Studies
27 2.3 Example 2.1: Ground Snow Loads
28 3. Flat Roof Snow Loads
3.1 Measured Conversion Factors
31 3.2 Flat Roof Snow Load
33 3.3 Exposure Factor (C[sub(e)])
36 3.4 Example 3.1: Roof Exposure
37 3.5 Thermal Factor (C[sub(t)])
38 3.6 Importance Factor (I)
3.7 Minimum Roof Loads
42 4. Sloped Roof Snow Load
44 4.1 Example 4.1: Uniform Snow Load, Monoslope Roof (1 on 12)
46 4.2 Example 4.2: Uniform Snow Load, Monoslope Roof (4 on 12)
4.3 Example 4.3: Uniform Snow Load, Wide Gable Roof
47 4.4 Example 4.4: Uniform Snow Load, Narrow Gable Roof
50 5. Partial Loading
51 5.1 Continuous-Beam Systems
52 5.2 Other Structural Systems
55 5.3 Example 5.1: Uniform and Partial Snow Load, Monoslope Roof with Overhang
56 5.4 Example 5.2: Partial Snow Load, Continuous Purlins in Gable Roof (1 on 12)
59 5.5 Example 5.3: Partial Snow Load, Continuous Purlins in Gable Roof (3 on 12)
60 5.6 Example 5.4: Partial Snow Load, Continuous Purlins with Low Ground Load
62 6. Unbalanced Loads
6.1 Hip and Gable Roofs
65 6.2 Example 6.1: Unbalanced Snow Load, Narrow Gable Roof
6.3 Example 6.2: Unbalanced Snow Load, Wide Gable Roof
66 6.4 Curved Roofs
68 6.5 Example 6.3: Balanced and Unbalanced Snow Load, Curved Roof
70 6.6 Sawtooth-Type Roofs
71 6.7 Example 6.4: Unbalanced Snow Load, Sawtooth Roof
6.8 Domes
74 7. Drifts on Lower Roofs
75 7.1 Leeward Drift
82 7.2 Windward Drift
7.3 Example 7.1: Roof Step Drift Load
85 7.4 Example 7.2: Roof Step Drift, Limited Height
86 7.5 Example 7.3: Roof Step Drift, Adjacent Structure
7.6 Example 7.4: Roof Step Drift, Low Ground Snow Load
90 8. Roof Projections
91 8.1 Example 8.1: Parapet Wall Drift
94 8.2 Example 8.2: Roof Top Unit (RTU) Drift
95 8.3 Example 8.3: Parapet Wall Drift, Low Ground Snow Load
98 9. Sliding Snow Loads
100 9.1 Example 9.1: Sliding Snow Load, Residential Gable Roof (4 on 12)
102 9.2 Example 9.2: Sliding Snow Load, Commercial Gable Roof (1 on 12)
104 9.3 Example 9.3: Sliding Load, Low Ground Snow Area
106 10. Rain-on-Snow Surcharge Loads
110 10.1 Example 10.1: Uniform Design Snow Load, Monoslope Roof (1/4 on 12)
111 10.2 Example 10.2: Uniform Design Snow Load, Gable Roof (1/4 on 12)
112 11. Ponding Instability and Existing Roofs
11.1 Ponding Instability
113 11.2 Existing Roofs
114 12. Frequently Asked Questions
130 References
132 Appendix
148 Index
B
C
D
E
149 F
G
H
I
L
M
O
P
R
150 S
T
U
W
ASCE 9780784407257 2004
$29.25