Tornado‐Borne Missile Speed Probabilities
Publication: Journal of Structural Engineering
Volume 109, Issue 1
Abstract
A procedure is developed for estimating speeds with which postulated missiles hit any given set of targets in a nuclear power plant or similar installation. Hit speeds corresponding to probabilities of occurrence of are calculated for a given nuclear power plant under various assumptions concerning the magnitude of the force opposing missile takeoff, direction of tornado axis of translation, number and location of missiles, and size of target area. The results of the calculations are shown to depend upon the parameters: where coefficient, area, of missiles; and the ratio, k, between the minimum aerodynamic force required to cause missile takeoff, and the weight of the missile.
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References
1.
Code of Federal Regulations, Title 10, Part 50, Appendix A, Criterion 2 (Design Bases for Protection Against Natural Phenomena), Office of Federal Register, General Series Administration, Washington, D.C., 1976.
2.
Costello, J. F., and Stephenson, A. E., “Free Fall of Large Pipes,” Journal of the Engineering Mechanics Division, ASCE, Vol. 104, No. EM2, Apr., 1978, pp. 477–480.
3.
Simiu, E., and Cordes, M., Tornado‐borne Missile Speeds, NBSIR 76‐1050, National Bureau of Standards, Washington, D.C. 1976.
4.
Simiu, E., and Cordes, M., Probabilistic Assessment of Tornado‐borne Missile Speeds, NBSIR 80‐2117, National Bureau of Standards, Washington, D.C., Sept., 1980 (NTIS Order Numbers: PB81128431 for report; PB81128423 for computer program tape).
5.
Technical Basis for Interim Regional Tornado Criteria, Wash‐1300 (UC‐11), U.S. Atomic Energy Commission, Office of Regulations, Washington, D.C., 1978.
6.
Wind Field and Trajectory Models for Tornado‐Propelled Objects, EPRI NP‐748, Electrical Power Research Institute, Palo Alto, Calif., May, 1978.
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Copyright © 1983 ASCE.
History
Published online: Jan 1, 1983
Published in print: Jan 1983
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