1) For the framing element identified as “1F” in the figure below, the W21x44 supports 16K2s. The roof deck does not directly attach to the W21x44. What is the unbraced length for the W21 for gravity loads
1) For the framing element identified as “1F” in the figure below, the W21x44 supports 16K2s. The roof deck does not directly attach to the W21x44. What is the unbraced length for the W21 for gravity loads
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
1) For the framing element identified as “1F” in the figure below, the W21x44 supports 16K2s. The roof deck
does not directly attach to the W21x44. What is the unbraced length for the W21 for gravity loads?
Transcribed Image Text:5.8
5
4.7
4.5
(3.3
G
$4.08
L
84.19
CANT
CANT
(B.95
1-1-
2-0
(B.95)
1H
11
I
25-85/8"
WIR 35 (95)
(+54′-8′)
1
I
R.D.
1.5WR20
W21x44 (50-54
(21x44 (50) (+61-212")
==+
| 15WR20 |
RD
I
---
W14x22 (20)
+61-2 112 1
25-858′
I
D
$4.08
I
1
HH (GG.8)
-612
M
$4.19
H
-2-612
HH (GG.8)
$4.12
$4.19
F
$4.05
LOW
42-1012
I
I
$4.08.
033x11895)+C15339
D
15WR20
I 1.5WR20 I
R.D.
ATRIUM ROOF BELOW
SEE $2.53
1124x55 (x+54-8
W21x44 (+61-21/2)
(
1
I
X
42-1012"
1
1
E- -|-
W24x56(80)(+61-212
HSS 16x8x38(+53°-5°H
high
137-55/8"
2
D
S4 05
1F
RD
-8
BEST - -
(DD.2)
130-75/8"
+54-10 1/2
+54-10 1/2
HSSBxS/16 (LSV)
(+53-13/8")
-3
+61:5
138-45/8
0
-G
(DD.2)
-W14x22 (20)
I
1
13-10
T
I
54-8
13-10
I
I
(CC.5)
1.5MR20
1.5MR20
JOIST DIAGONAL
BRIDGING TYPICAL
20-11/2"
W21x50 (30k) 54-8²
W16x31 (30) (+61-212")
6EQ SPA-28-3
-W14x22 (20)
(+54-8)
(CC.5)
1
T
--- H
W18x35 (40) (+61-212)
HSS16x8x38+53:5)
(TYP 4 SIDES)
I
D
$4.06
$4.11
HIGH
20-11/2"
I
I
(BB.7)
55.05
RD.
1B
L
in
R.D.
T.0
3-11 1/8"
5-81/2-11 18
(BB.7)
29-21/2"
ROOF DRAIN FRAMING
SEE DET L/S4.01 TYP
$4.19/
-W2144 (50)
(+54-8")
JOIST HORIZONTAL
BRIDGING TYPICAL
8-1178
SHEIDUPARIS
W16x25 (25k) (+61'-5")
14:22 (23)(+ 65° - 5" 1==
"W14x22 (20)61-5")
W16x26 (25k) (+61-5)
Ignore this area
for purposes of
this problem.
HSS12x14
(+53-5")
8
11-11 3/4"
21-51/2
I
r.01
9-11783-658
1.858 T.F
-658
(AA.6)
54.19
7.9
itt.1
+54-10 1/2")
(AA.9) (AA.6)
$4.08
5.8
4.7
4.5
3.8
3.3
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