Civil Engineering Reference
In-Depth Information
H
2
= 13.33 ft, height on right end of shear wall
DL = 800 lb, dead load of wall and roof above
P
DL1
= 350 lb, dead load of header on left side of wall
P
DL2
= 500 lb, dead load of header on right side of wall
l
1
12
45 15
12
.
+
.
.55ft
brg
xL t
=-
++
CL
=-
6
=
5
studs
2
Sum of horizontal componental of diaphragm unit shears:
Vv L
H
=
=
210 6
()
=
1260
lb
diaphwall
Sum of vertical componental of diaphragm unit shears:
1260 4
12
()
V
V
=
=
420
lb
F
H
1
=
1200
lb horizontal forcecomponent of leftstrut
1200 4
12
()
F
V
1
=
=
400
lb vertical forcecomponent of left strut
2
2
2
2
FF
HV
=
+
=
(
400
)
+
(
1200
)
=
1264 9
. bresultant axialforce
,
left
1
1
1
F
H
2
=
1600
lb horizontal forcecomponent of right strut
1600 4
12
()
F
V
2
=
=
533 3
. bverticalforce component of rightstrut
FF
HV
=
2
+
2
=
(
533 3
. )(
2
+
1600
)
2
=
1686 5
.
lb res
ultant axialforce right
,
2
2
2
∑
M
=
0right
Load case
W
+ 0.6
D:
1260 12
(
+
13 33
.
)
T
=
1200 12
()
+
+
1600 13 33
(.
)
+
400 587
( .
506 350
)
-
. (
)(. )
575
2
1
55
+
420 2 875
(.
)
-
06800 2 875
. (
)(.
)
-
06533 30125
. (
. )( .
)
.
=
9566 5lb
.
∑
M
=
0left
1260 12
(
+
13 33
.
)
C
=
1200 12
()
+
+
1600 13 33
(.
)
+
500 55
( .)-
350 025
(. )
2
1
55
-
420 2 625
(.
)
+
400 0 375
( .
)
-
533 3562
.(.
5
)
+
800 2 625
( .
)
.
=
9544 7
.
lb
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