Roofs:

		Mannersdorf, Austria, (cement silo)
		San Antonio, Italy, (digester)
		Wien, Austria, (center structure for clarification tank )

 

other References:

Egg Shaped Digesters Standart Digesters BIMA-Digesters Climbing formwork - Steel Climbing formwork - Wood Self excavating tanks/shafts Segment formwork Water Towers Windmill Towers Telecommunications Towers Other Towers Funnels Silos with internal cones Special Structures Tunnel