40.18. Seismic Design of Water Tanks (IS 1893 Part 2)

Try these first

1. 1.

   What two types of water tanks are discussed in seismic design?

   Hint

   Think about how tanks are positioned.

2. 2.

   What does ductile detailing refer to?

   Hint

   Consider the flexibility of materials during stress.

3. 3.

   What is the primary concern when designing elevated water tanks for seismic conditions?

   • Base shear
   • Hydrodynamic pressure
   • Material strength

   Hint

   Focus on how water interacts during shaking.

4. 4.

   True or False: Sloshing effects are only considered in elevated water tanks.

   • True
   • False

   Hint

   Think about what type of tank experiences sloshing.

5. 5.

   A municipal elevated water tank is 10 meters tall and holds 2000 kg of water. Calculate the base shear if the seismic acceleration is 0.3g. Discuss the influence of hydrodynamic pressure on the tank's design.

   Hint

   Use the acceleration value for calculations and think about the implications of stress on materials.

6. 6.

   Design a ground-supported tank that must mitigate sloshing effects during an earthquake. Discuss your structural choices and the factors to consider for materials and forms.

   Hint

   Think about how the geometry and material selections affect the structural response.