Q63 marks Please name and describe the erosion process that

Q6.(3 marks) Please name and describe the erosion process that could affect the stability of the bridge pile foundations shown below PILE BENT PILE FOOTING PEDESTAL PIER ORILLED SHAFT PILE BENT SPREAD FOOTING HIGH TIDE LOW TIDE ITIT BRIDGE FOUNDAT!ON TYPES 49C

Solution

The erosion process which affects the stability of bridge pile foundations is called scouring. Scour is the removal of sediment (soil and rocks) from stream beds and stream banks caused by moving water.

The total scour consists of three components: