The elevation of the end of the steel beam supported by a concrete floor is adjusted by
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The elevation of the end of the steel beam supported by a concrete floor is adjusted by means of the steel wedges E and F. The base plate CD has been welded to the lower flange of the beam, and the end reaction of the beam is known to be 150kN. The coefficient of static friction is 0.30 between the two steel surfaces and 0.60 between the steel and the concrete. If the horizontal motion of the beam is prevented by the force Q, determine
(a) The force P required to raise the beam,
(b) The corresponding force Q.
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150 kN 10
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FBD AB CD 150KN 7 FBD top wedge 150 kN 2 45 kN 51670 FBD bottom wedge R 1670 5 Impending ...View the full answer
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