A stilling basin provides a means to absorb or dissipate the energy from the spillway discharge and protects the spillway area from erosion and undermining.

Which of the following stilling basin help in stabilizing the flow and improve the jump performance?

Which of the following stilling basin help in stabilizing the flow and improve the jump performance? Explanation: Chute blocks are a row of small projections like teeth of saw and are provided at the entrance of the silting basin. It produces a shorter length of jump and stabilizes the flow.

What are stilling ponds?

Stilling ponds are the de-watering equivalent of a 'wet' sediment basin. Used for the treatment of batch flow de- watering operations. Commonly used for the de-watering of groundwater inflows from excavations at the commencement of a new working day, or the de-watering of excavations following storms.