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Unformatted text preview: quarter turn to pre-compress the CI pipe. The pitch of the threads of the bolt is p 52 mils (a mil is one-thousandth of an inch). Use the numerical properties provided. (a) What stresses p and r will be produced in the cast-iron pipe and brass rod, respectively, by the additional quarter turn of the nut? (b) Find the bearing stress b beneath the washer and the shear stress c in the steel cap. L ci = 4 ft Steel cap ( t c = 1 in.) Cast iron pipe ( d o = 6 in., d i = 5.625 in.) Modulus of elasticity, E : Steel (30,000 ksi) Brass (14,000 ksi) Cast iron (12,000 ksi) Nut & washer ( ) d w = 3 4 in. ( d r = 1 2 Brass rod ) in. Sec_2.5.qxd 9/25/08 3:00 PM Page 168...
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- Fall '11