Widely used in geotechnical engineering such as water conservancy, electric power, mines, highways and railways:
l. Filter material for soil layer separation;
2. Drainage materials for reservoirs and mines beneficiation, and drainage materials for foundations of high-rise buildings;
3. Anti-scouring materials for river dams and slope protection;
4. Reinforcement materials for road foundations of railways, highways and airports, and reinforcement materials for road construction in swamp areas;
5. Anti-frost and anti-freeze insulation materials;
6. Anti-cracking material for asphalt pavement.