Precast Concrete Toroidal Vault
Richard R. Bradshaw
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Describes the construction of a corrugated toroid shell roof for an ice skating rink. The geometry of the vault is discussed. Also the problems of precasting the double-curved concrete pieces on top of one another are investigated and the solutions to these problems are shown. The difficulties which arose during the erection and avoidance of these difficulties in the future are discussed. The economics of this system are noted.