Answer to Question #234169 in Civil and Environmental Engineering for Rohma Shahid

Question

9. What are the functions of bedding under stormwater drains?

Answer 1

Bedding placed under storm-water drains are often made of granular or concrete materials. The serve the following purposes:

1. To improve a uniform support under pipes so as to minimize the bending moment longitudinally
2. To enhance the load-supporting strength of the pipes
3. They enable pipes to be supported along pipe lengths instead of pipe sockets. They are essential in pipes with spigot and socket joints. Without the support, there would uneven stress induced and it may damage the pipes
4. To provide a framework for obtaining correct alignment and level during and after construction