T ABLE 3 BEAMS and STRINGERS (5” and THICKER) 7)$4(

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8-16
10-1
1050
900
575
Sel. Str.
No. 1
No. 2
Sel. Str.
No. 1
No. 2
EASTERN
SPRUCE
EASTERN
?$:‡
$:
1400
1150
750
1050
875
575
Grade
EASTERN WHITE Sel. Str.
PINE
No. 1
No. 2
Species
or Group
Extreme
Fiber Stress
in Bending “Fb”
Single Member
925
775
375
625
425
275
625
425
275
Tension
Parallel
to Grain
“Ft”
155
155
155
125
125
125
125
125
125
Horizontal
Shear
“Fv”
555
555
555
390
390
390
350
350
350
950
800
500
750
625
375
675
575
400
Compression
Perpen- Parallel
dicular
to Grain
“FcA”
“Fc//”
BEAMS and STRINGERS (5” and THICKER)
>?
?…5
??$:
[&_Q[&QQ['›'QF`
Grades Described in para. 25.0-25.4
TABLE 3
8
10
1,200,000
1,200,000
900,000
1,400,000
1,400,000
1,000,000
1,100,000
1,100,000
900,000
Modulus
Elasticity
“E”
10-1
8-17
1250
1050
675
1350
1100
725
900
750
500
1050
900
575
Sel. Str.
No. 1
No. 2
Sel. Str.
No. 1
No. 2
Sel. Str.
No. 1
No. 2
Sel. Str.
No. 1
No. 2
?
PINE
@
?
WHITE CEDAR
@O[V
(Eastern Spruce
Red Pine
Jack Pine
Balsam Fir)
1350
1150
750
Sel. Str.
No. 1
No. 2
EASTERN
?$:
8
625
450
300
600
500
250
900
750
350
850
700
350
925
775
375
125
125
125
115
115
115
125
125
125
135
135
135
155
155
155
335
335
335
370
370
370
305
305
305
435
435
435
550
550
550
675
550
375
600
500
325
950
800
500
850
725
450
950
800
550
1,200,000
1,200,000
1,000,000
700,000
700,000
600,000
1,400,000
1,400,000
1,100,000
1,300,000
1,300,000
1,000,000
1,200,000
1,100,000
900,000
Sel. Str.
No. 1
No. 2
Sel. Str.
No. 1
No. 2
Sel. Str.
No. 1
No. 2
RED MAPLE
MIXED MAPLE
Grade
RED PINE
Species
or Group
8-18
10-1
1100
875
500
1400
1150
650
1150
925
525
Extreme
Fiber Stress
in Bending “Fb”
Single Member
725
600
350
925
750
425
775
625
350
Tension
Parallel
to Grain
“Ft”
180
180
180
195
195
195
125
125
125
Horizontal
Shear
“Fv”
620
620
620
615
615
615
410
410
410
750
650
300
950
825
375
875
775
350
Compression
Perpen- Parallel
dicular
to Grain
“FcA”
“Fc//”
BEAMS and STRINGERS (5” and THICKER)
>?
?…5
??$:
[&_Q[&QQ['›'QF`
Grades Described in para. 25.0-25.4
TABLE 3
(Continued)
8
10
1,100,000
1,100,000
900,000
1,500,000
1,500,000
1,200,000
1,400,000
1,400,000
1,100,000
Modulus
Elasticity
“E”
10-1
8-19
1550
1250
725
1350
1150
725
1350
1150
725
1600
1350
875
1400
1200
750
Sel. Str.
No. 1
No. 2
Sel. Str.
No. 1
No. 2
Sel. Str.
No. 1
No. 2
Sel. Str.
No. 1
No. 2
Sel. Str.
No. 1
No. 2
$?‡
$?‡
?$:
;
“:
:
?
:
W?:
8
825
575
375
950
675
425
800
550
375
800
550
375
1050
850
475
205
205
205
205
205
205
155
155
155
155
155
155
180
180
180
800
800
800
885
885
885
820
820
820
800
800
800
715
715
715
900
775
475
950
800
500
825
700
450
825
700
450
1050
900
425
1,000,000
1,000,000
800,000
1,300,000
1,300,000
1,000,000
1,200,000
1,200,000
1,000,000
1,000,000
1,000,000
800,000
1,500,000
1,500,000
1,200,000
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