Civil Engineering Reference
In-Depth Information
F
i g u r e
3.18 Nail slip adjustment for nonuniform nailing.
142
+
163 3
2
.
=
Area 8
=
8
1221 2
.
163 30
2
.
+
Area 9
=
61 25
.
=
5001 1
.
Modified nail slip coefficient (left):
Left side:
∑
=
V
V
′
=
A
A
4
287 5
.
+
2300
+
703 1
.
=
n
n
left
0 188
.
0 188
.
0 188
.
022
.
6225 2
.
1
Right side:
∑
=
A
A
2485 1
.
++ + 221 2
5001 1
596
2590
1
.
=
right
0 188
.
0 188
.
0 259
.
.
9
For values of
e
n
, fastener slip, see the APA
Design and Construction Guide for Dia-
phragms and Shear Walls
,
5
Table A-1.
Using 10d, dry/dry, and CDX plywood (not Structural I):
Increase 20 percent if not Structural I:
Left side:
3 276
.
3 276
.
=
V
=
195 3
769
.
e
n
=
00
.112
n
769
Right side:
3 276
.
3 276
.
=
V
=
213
769
n
e
=
0 014
.
9
n
769
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