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A 4-inch schedule 40 main is routed parallel in-between two beams and requires a trapeze hanger. The main is 2 ft. from one beam and 8.5 ft from the other for a total span of 10.5 ft. What is the smallest schedule 10 pipe capable of supporting this main as a trapeze hanger? a. 2 inch b. 2-1/2 inch c. 3 inch d. 3-1/2 inch Solution | Posted 06/17/19 
3 Comments
Ryan
6/14/2019 06:47:56 am
C) 3"
Ryan
6/14/2019 06:52:02 am
Correction: since the applied load is not at the midpoint, the equivalent length from A.9.1.1.7 should be used. The equivalent length is 6.5', with a required section modulus of 0.64. A 2.5" schedule 10 pipe has a section modulus of 0.69, so B) 2.5"
Amr
6/14/2019 10:46:03 am
I do agree with the last one, B) 2.5" Leave a Reply. |
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