CE 320 S15
SAMPLE PRACTICE PROBLEMS
Figure 1 Questions 1, 2, 3, and 4
1. The LRFD rupture strengthPn of the L6x6x3/8 angle is the following (Given Fu= 58 ksi,
xbar = 1.62, Ag = 4.38 in2):
A)
B)
C)
169 k
220 k
138 k
D)
92 k
2. The ASD design rupture streng
Rutgers University
Department of Civil & Environmental Engineering
CE320
Elements of Structural Design
Problem Set # 2
S15 NAJM
[Due: Thursday February 19th, 2015]
Problem 1- Determine the net area for the members in Fig(s). (a), (b), and (c)
(a )
(b )
(C
Rutgers University
Department of Civil & Environmental Engineering
CE320
Elements of Structural Design
S15 NAJM
Problem Set #5 [Submission is not required]
But you can submit the solution if you want this HW to be graded with your previous
home works
(Due
Rutgers University
Department of Civil & Environmental Engineering
Elements of Structural Design
CE320
Problem Set # 4 :
S15 NAJM
[Due Thursday April 2nd , 2015]
Problem 1
For the hollow steel section shown, , calculate the elastic section modulus (Sx), t
Rutgers University
Department of Civil & Environmental Engineering
CE320
Problem Set # 3
Elements of Structural Design
S15 NAJM
[Due Thursday March 5th, 2015]
Problem 1
A 20 ft cantilever column has the same cross section as the one given in Problem 1
(HW
Examples of Tension Members
(a), (b), and (c)
Reduction Factor U for tension member connections (Table D3.1)
Explanation of Table D3.1
Block shear failure modes in tension members
Block Shear Failure in the gusset plate
Fracture Failure in the gusset plat
Rutgers University
Department of Civil & Environmental Engineering
CE320
Problem Set # 1
Elements of Structural Design
S15 NAJM
[Due: Thursday February 5th, 2015]
Problem 1
A built-up beam section is formed by welding 2 channels and 2PLS 1/2x24 and 1/2x24
CE 320 S2015
Column Design
February 2015
AISC Table B4.1 Pages 16.1-16 and 16.1-17
Effective Length Factor K
The effective length factor K accounts for support conditions at column ends. The Euler
buckling load was dervied for pinned-pinned end conditions
CE 320
Solution to Final Practice Exam
May 6th, 2015
1. B
The beam is not 18 in wide ( width = bf = 7.5 in !)
2. D
The live load in plf = (9/2+9/2) ft x 30 = 270 lb/ft (or plf)
3. B
The LRFD factored load wu = 6 ft x [1.2(100)+1.6(150)]= 2160 lb/ft (plf)
Stress, f
ft - a; curve 5.
Tensile
strength, Fu . "
f_ 8 curve Fracture
Yield
stress, FY
Strain hardening Neel:ng
Plastic range
Inelastic range
Strain a
83' as: 3m a s
Figure 2.6.1: Typical Tensile Stress-Strain Curve for Mild Carbon Steel Stress, f
A
Rutgers University
Department of Civil & Environmental Engineering
CE 320 S15 Steel design
Final Exam Practice Problems
Spring15 Najm
1) For a W18 x 50, which of the following statements is NOT True?
A.
B.
C.
D.
The beam has a yield strength Fy = 50 ksi
T
CE320 S15
Solution Midterm Practice Problems
March 27th, 2015 NAJM
389
259
Kx = 0.8
Ky = 2.1
Based on what Q17 asked and the sections shown in the figure, the
answer is 3.78 in2, but the absolute minimum An for this section
which is Section 3 that passes