Prestress System for Nuclear Concrete Containment Domes

by King-Yuen Chu, (M.ASCE), Proj. Staff Engr.; Brown & Root, Inc., Houston, TX,


Serial Information: Journal of the Power Division, 1974, Vol. 100, Issue 1, Pg. 111-123


Document Type: Journal Paper

Abstract: Nuclear concrete containments are prestressed with large force tendons in order to provide sufficient compression to counteract the tension forces induced during a postulated loss-of-coolant accident. Because of the nature of dome configurations, tendon arrangements require some special considerations with respect to their effectiveness and construction simplicity. Points deserving attention during the process of developing a tendon arrangement are examined. A systematic numerical approach to analyze dome tendon forces and their overall prestressing effects is described. Merits of the dome tendon arrangements built in the past are evaluated. Finally, an improved arrangement is suggested.

Subject Headings: Tendons | Domes (structure) | Prestressing | Prestressed concrete | Compression | Ultimate strength | Tension members | Accidents

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