Gravel beach nourishment protects seawalls from erosion at Jinkoji Coast.
A beach nourishment experiment was conducted at Jinkoji coast using 87,000 m3 of gravel to protect the seawall. The gravel was deposited in layers with a slope of 1/8, providing stability and protection to the seawall. The nourishment gravel remained in place without washing away into the ocean.