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American Steel Design
Section 2
2-34
Verification Problem
TYPE: AASHTO Steel Design.
REFERENCE: Attached step by step hand calculation as per
AASHTO code.
PROBLEM: Determine the allowable stresses (AASHTO code)
for the members of the structure as shown in
figure. Also, perform a code check for these
members based on the results of the analysis.
15
56
7
8
1
2
3
4
k
67
8
9
3
4
5
1
2
4'
5'
11'
10'
2k/ft (DL + LL)
Y
X
(WL)
16'
Figure 2.5
Members 1, 2 = W12X26, Members 3, 4 = W14X43
Members 5, 6, 7 = W16X36, Memb 8= L40404,
Memb 9 = L50506
SOLUTION COMPARISON:
Governing ratios for the members
Member
1 2 3 4 5 6 7 8 9
No.
Hand
1.217 1.092 1.203 1.126 .689 0.729 0.808
1.09
.927
Calculation
STAAD.
1.218 1.903 1.204 1.126 .690 0.732 0.809 1.09
.928
Pro