Rock bag / Net bag for bag-type foot protection
The Bottle Unit／ROCK BAG（NET GABION） is a double-layer raschel net structure bag material made by polyester fibers. It can be used with filling materials such as boulders, gravels, rubbles and concrete lumps that can be sourced at site. The bag has the soft adequate shapge to follow changes in the river bottom, which is required for the revetment foundation consolidation work, and also the ability to fit into gaps, which is required for space filling work. According to the amounts of filling materials, selection can be made from four types of bags containing 1, 2, 3 and 4t.