CE 431-Structural Steel Design
Set: 2016.02.18
Homework 6
Due: 2016.02.26
Problem 1
A W1245 column is pinned at the top and bottom and has no intermediate supports. On a single
graph, plot the following curves for this column:
a) vs. for = 36
b) vs. for

CE 431-Structural Steel Design
Set: 2016.03.04
Homework 8
Due: 2016.03.11
Problem 1
Compute , , and the shape factor, k, about the horizontal axis (x-axis) for the sections
shown below.
Problem 2
The W2162 beam shown below is provided with adequate latera

CE 431-Structural Steel Design
Set: 2016.02.04
Homework 3
Due: 2016.02.11
Problem 1
a) Determine the LRFD design tensile strength for the member and bearing-type connections
using:
a. A36 steel plates and A490 -in. bolts with threads excluded from the she

CE 431-Structural Steel Design
Set: 2016.02.11
Homework 5
Due: 2016.02.18
Problem 1
A 1/4-in llet weld is used to connect the members shown below. Determine the LRFD design
load that can be applied to this connection, including the plates, using the AISC

CE 431-Structural Steel Design
Set: 2016.01.28
Homework 3
Due: 2016.02.04
Problem 1
Determine the LRFD design strength of a double angle, L7x7x3/4 in with two gage line in its long
leg and one in its short leg, 7/8 in. dia. bolts as shown below. Standard

CE 431-Structural Steel Design
Set: 2016.01.20
Homework 2
Due: 2016.01.27
Problem 1
Axial forces in a column due to service loads are as follows:
Dead:
500 k compression
Live:
400 k compression
Roof live: 50 k compression
Snow:
35 k compression
Wind:
200

Homework 5 Solutions - Welded Connections
Problem 1
A 1/4-in fillet weld is used to connect the members shown below. Determine the LRFD design load that
can be applied to this connection, including the plates, using the AISC Specification.
(a) If A36 stee

Homework 3 Solutions - Analysis of Tension Members
Problem 1
Determine the effective net area of the W16 40 shown below. Assume the holes are for 43 -in bolts.
W16 40 (AISC Table1-1 pg 1-22) : Ag = 11.8 in2 , bf = 7.00 in, tf = 0.505 in
WT8 20 (AISC Table

Homework 6 Solutions - Compression Members
1
Problem 1
A W1245 column is pinned at the top and bottom and has no intermediate supports.
On a single graph, plot the following curves for this column:
(a) Pn vs. L for Fy = 36ksi
(b) Pn vs. L for Fy = 50ksi
(