Maurice Tutor

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    Argosy University/ Phoniex University/
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Category > Management Posted 10 Feb 2018 My Price 5.00

laminated-wood roof

The ends of the laminated-wood roof arch shown are tied together with a horizontal steel rod 90 feet, “10 inches” long, which must withstand a total load of 60 k. Two turnbuckles are used. All threaded rod ends are upset. a. Determine the required diameter D of the rod if the maximum allowable stress is 20 ksi. b. If the unstressed length of the rod is 90 feet, “10 inches” and there are four threads per inch on the upset ends, how many turns of one turnbuckle will bring it back to its unstressed length after it has elongated under full allowable tensile stress? E = 29 * 103 ksi.

Sol:

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Maurice Tutor
(5)
Status NEW Posted 10 Feb 2018 10:02 PM My Price 5.00

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