Wood Engineering Properties #2

Civil Engineering Design and Engineering

Strength and engineering properties of some commercially important woods grown in the United States (inch–pound) 

Common
species
names
Specific
gravity
Static Bending
Impact
Bending
(in.)
Compression
Parallel
to Grain
(lbf/in2)
Compression
Perpendicular
bending (in.)
to grain
(lbf/in2)
Shear
Parallel
to
Grain
(lbf/in2)
Tension
Perpendicular
to
Grain
(lbf/in2)
Side
hardness
(lbf)
Modulus
of
Rupture
(lbf/in2)
Modulus
of
elasticity
(× 106 lbf/in2)
Maximum
Working
load
(in-lbf/in3)
Hardwoods
Douglas-fir,
Coast
0.45
7,700
1.56
7.6
26
3,780
380
900
300
500
0.48
12,400
1.95
9.9
31
7,230
800
1,130
340
710
Douglas-fir,
Interior West
0.46
7,700
1.51
7.2
26
3,870
420
940
290
510
0.50
12,600
1.83
10.6
32
7,430
760
1,290
350
660
Douglas-fir,
Interior North
0.45
7,400
1.41
8.1
22
3,470
360
950
340
420
0.48
13,100
1.79
10.5
26
6,900
770
1,400
390
600
Douglas-fir,
Interior South
0.43
6,800
1.16
8.0
15
3,110
340
950
250
360
0.46
11,900
1.49
9.0
20
6,230
740
1,510
330
510
Fir,
Balsam
0.33
5,500
1.25
4.7
16
2,630
190
662
180
290
0.35
9,200
1.45
5.1
20
5,280
404
944
180
400
Fir,
California
red
0.36
5,800
1.17
6.4
21
2,760
330
770
380
360
0.38
10,500
1.50
8.9
24
5,460
610
1,040
390
500
Fir,
Grand
0.35
5,800
1.25
5.6
22
2,940
270
740
240
360
0.37
8,900
1.57
7.5
28
5,290
500
900
240
490
Fir,
Noble
0.37
6,200
1.38
6.0
19
3,010
270
800
230
290
0.39
10,700
1.72
8.8
23
6,100
520
1,050
220
410
Fir,
Pacific
silver
0.40
6,400
1.42
6.0
21
3,140
220
750
240
310
0.43
11,000
1.76
9.3
24
6,410
450
1,220
430
Fir,
Subalpine
0.31
4,900
1.05
2,300
190
700
260
0.32
8,600
1.29
4,860
390
1,070
350
Fir,
White
0.37
5,900
1.16
5.6
22
2,900
280
760
300
340
0.39
9,800
1.50
7.2
20
5,800
530
1,100
300
480
Hemlock,
Eastern
0.38
6,400
1.07
6.7
21
3,080
360
850
230
400
0.40
8,900
1.20
6.8
21
5,410
650
1,060
500
Hemlock,
Mountain
0.42
6,300
1.04
11.0
32
2,880
370
930
330
470
0.45
11,500
1.33
10.4
32
6,440
860
1,540
680
Hemlock,
Western
0.42
6,600
1.31
6.9
22
3,360
280
860
290
410
0.45
11,300
1.63
8.3
23
7,200
550
1,290
340
540
Hemlock,
Larch, western
0.48
7,700
1.46
10.3
29
3,760
400
870
330
510
0.52
13,000
1.87
12.6
35
7,620
930
1,360
430
830

Related:

Contribute Article
Spider Optimizer

© Copyright 2000 - 2017, by Engineers Edge, LLC www.engineersedge.com
All rights reserved
Disclaimer | Feedback | Advertising | Contact


User Reviews/Comments:

There are currently no comments available.


Add a Comment (you must be logged in to post comment Register):
Name:
Email: (Optional)
Comment: