P02: The beam of Fig. 2 has a simple span of 20 ft and supports a dead load including its own weight of 1 klf and a live load of 0.7 klf. F'c = 3000 psi. (a) Calculate the instantaneous deflection for D + L. (b) Calculate the deflection assuming that 30% of the live load is continuously applied for three years.

ht nces Required Information Portion BC of the rod ABC are made of an aluminum for which E= 70 GPa and portion AB is made of steel for which E= 200 GPa. Given: P = 8 kN, a = 0.9 m, b=1 m and the diameter of rod AB is c = 38 mm, (a) Determine the value of Q so that the deflection at A is zero (b) The corresponding deflection of point B 60-mm diameter Assume Q Is In (KN). Using the FBD/equilibriums equations of ABC and/or cut section between A&B and/or cut section between B&C, (1) The Internal axial force between A&B can be written as PAB= (KN) (T) -Q) (KN) (T) (11) The Internal axial force between B&C can be written as PBC=(

State the determinacy of the beam shown. Answer is: Unstable. Show solution.

The cantilever beam consists of a rectangular structural steel tube shape [E = 29,000 ksi; I = 1730 in.4]. For the loading shown, determine: (a) the beam deflection at point A. (b) the beam deflection at point B. Assume MA = 210 kip-ft, P = 13 kips, LAB = 3.8 ft, LBC= 5.7 ft. МА V A Answer: (a) VA = (b) VB= LAB P B in. in. LBC C X