What is Cell-Filled Concrete Pavement?
IIT Kharagpur developed the technology which is known as cell-filled concrete, it has been proven to be successful as a solution to problems such as overloaded vehicles, inadequate drainage facilities, and waterlogging. The cell-filled concrete is made of a formwork of plastic cells over the compacted subgrade or sub-base and then filled with concrete or stones. https://www.quantity-takeoff.com/cell-filled-concrete-pavement.htm