2005木结构设计规范(英文版).pdf

Updates and Errata
2005 Edition
While every precaution has been taken to
ensure the accuracy of this document, errors
ANSI/AF&PA NDS-2005
may have occurred during development.
Approval Date: January 6, 2005
American
Updates or Errata are posted to the Ame
rican Na
wood council website at www.awc.org.
Technical ing uires
y be addressed to
(ANSI
ASD/LRFD
NDS
NATIONAL DESIGN SPECIFI
FOR WOOD CONSTRUCTION
WiTH COMMENTARY AND
SUPPLEMENT: DESIGN VALUES FOR WOOD CONSTRUCTION
The American Wood Council(awc) is the wood products division of the American Forest& Paper
Association (AF&PA). AF&PA is the national trade association of the forest, paper; and wood producty
industry, representing member companies engaged in growing, harvesting, and processing wood and
wood fiber manufacturing pulp, paper,
r, and paperooard produci
ts from both virgin and recycled fiber
Copyright Q 2005, 2006
and producing engineered and traditional wood products. For more information see www.afandpa.org
American Forest Paper Association, Inc.
NATIONAL DESIGN SPECIFICATION FOR WOOD CONSTRUCTION WITH COMMENTARY
NATIONAL DESIGN SPECIFICATION FOR WOOD CONSTRUCTION WITH COMMENTARY
TABLE OF CONTENTS FOR THE NDS
art/Title
Page Pa
Page
General Requirements for
7 Prefabricated Wood I-Joists...43
Structural Design ..
1 7.1 General
44
1.1 Scope
44
1.2 General Requirements
7.5 Adjustment of Reference Design Values
44
13 Standard as a Whole
7.4 Special Design Considerations
46
1.4 Design Procedures
1.5 Specifications and Plans
3 8 Structural Composite
1.6 Notation
3 Lumber..
47
8.1 General
48
2 Design Values for Structural
8.2 Reference Design Values
48
Members
General
8 8.4 Special Design Considerations
50
2.2 Reference Design Values
8
2.3 Adjustment of Reference Design Values 8 9 Wood Structural Panels......51.
3 Design Provisions and
.1 1 General
52
Equ
uations.
11
9.2 Reference Design Values52
9.3 Adjustr
3.1 General
12 9.4 Design Considerations
54
3.2 Bending Members-General
3.3 Bending Members-Flexure
13 10 Mechanical Connections..
3.4 Bending Members-Shear
15 10.1 General
Comaing Members-Deflection
3.5B
17 10.2 Reference Design Values
5
7
3.6 Compression Members-General
18
10.3 Adjustment of Reference Design Values 57
3.7 Solid Columns
3.8 Tension Members
20 11 Dowel-Type Fasteners .65.
3.9 Combined Bending and Axial Loading 20 11.1 General
3.10 Design for Bearing
21
66
11.2 Reference Withdrawal Design Values 68
4 Sawn Lumber..
23 11.4 Combined Lateral and Witrdrawal
71
4.1 General Design
24
Loads
ce design
76
4.2 Reference Design Values
25
11.5 Adjustment of Reference Design Values 76
4.3 Adjustment of Reference Design Values 26
11.6 Multiple Fasteners
79
4.4 Special Design Considerations
29
12 Split Ring and Shear Plate
Structural Glued Laminated
Connectors.
103
Timber ..
31
12.1 General