oa Civil Engineering = Siviele Ingenieurswese - Some notes on precast prestressed tanks



The paper descriptionbes a particular method which has been developed by the writer of constructing precast prestressed circular tanks. Precast panels, the full height of the wall, are erected on a ring foundation with gaps approximately 1 foot wide between them, these gaps being filled with in-situ vacuum processed concrete. A horizontal prestress is applied by stressed high tensile wire loops in contact with the outer face of the wall, the wire being covered with a protective rendering. After a general descriptionption of the method, the writer discusses some design considerations and finally descriptionbes the two 7 million gallon raw water reservoirs constructed for the South African Coal, Oil & Gas Corporation Limited at Sasolburg, Orange Free State.


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