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| Teaching Since: | Apr 2017 |
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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
The truss shown in Fig. P10.2-15 is used as part of a rig to pull pilings out of the ground. If the two truss members are steel pipes with outer diameter of do = 2.875 in. and wall thickness of t = 0.275 in., determine the largest tension that can be exerted on the piling without causing elastic buckling of a truss member. The cable that exerts tension T on the piling passes over a pulley that is free to rotate about the same pin that connects the two truss members together at B. Let Est = 29(103) ksi and σY = 36 ksi.

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