1. soil replacement with limestone downto the weak sandstone
2. sealing layer (limestone 0-32 mm and bentonite, d = 0.3 m)
3. filtration layer (2-45 mm, d = 0,3 m)
4. geogrid reinforced earth structure (silty fine sand)
5. profile of the old highway dam
measurement of earth pressure and elongation of geogrid
measurement of deformation of the whole earth structure