KOLOS is a wave-dissipating concrete block intended to protect coastal structures like seawalls and breakwaters from the ocean waves. These blocks were developed in India by Navayuga Engineering Company and were first adopted for the breakwaters of the Krishnapatnam Port[1] along the East coast of India.
- ^ "Engineering Marvels" (PDF). Navayuga Group. p. 12. Archived from the original (PDF) on April 14, 2016.