Student Name: Problem 3: Based on moment-axial load interaction diagram for the

Question

Student Name: Problem 3: Based on moment-axial load interaction diagram for the given short column shown in Fig.3, determine if the short column can resist the combination of moment and axial load (check in blank ollowing each pair of P and M). Grade: 12/6/2017 1. P-400 kips and M-60 ft-kips. fai 2, P=100 kips and M 120 ft-kips. fail 3. P-200 kips and Ma140 ft-kips, fail 4. P=100 kips and M-200 ft-kips. fail 5. P=700 kips and M=120 ft-kips. fail not fail5 points) not fail , not fail , not fail , not fail (5 points) (5 points) (5 points) (5 points) , (Kips) 600 500 400 . 300 200 -I 100 20 40 60 80 100 120 140 160 M (kips-ft)

Explanation / Answer

Case 1,2,4- The condition is failure because the combination of load and moment cannot be plotted in the given moment interaction curve. Hence the short column cant resist the given combination of load and moment

Case 3 & 5- The condition is pass because the combination of load and moment can be plotted in the given moment interaction curve. Hence the short column can resist the given combination of load and moment

1-fail

2-fail

3- do not fail

4-fail

5-do not fail

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