1.An automobile travels right at constant speed of 48mi/hr. If the diameter of a wheel is 22 in., determine the velocities of point B,C,D and E on the rim of the wheel.
2.According to the design philosophy in the AASHTO Specifications, how does a heavy truck parked on a prestressed bridge girder effect the nominal shear resistance of the girder?
3.What is the main difference between the calculation of deflections for reinforced and prestressed concrete beams?