... retaining wall, dam, deck, steep slope projects of highway, railway ,etc. Specificationsmaterial:plastic width:1m- ... retaining wall, dam, deck, steep slope projects of highway, railway and shore Function:1. Improve the ... of retaining wall or dam2. Extending the project life.3. Reducing floor area;.4. Shortening construction period ... Geogrid used to reinforce road high quality construction use geogrid