Question

The 80-ft-high water tank of Examples 2.6 and 2.7 (in the textbook) is subjected to the force ??(??) shown in Fig. E4.2a. The maximum response of the structure with the tank full (weight = 100.03 kips) was determined in Example 4.2. (a) If the tank is empty (weight= 20.03 kips), calculate the maximum base shear and bending moment at the base of the tower supporting the tank. (b) By comparing these results with those for the full tank (Example 4.2), comment on the effect of mass on the response to impulsive forces. Explain the reason.

Dynamics of Structures (4th Edition)

Answer 1