NUREG/CR- ORNL/TM-2000/360 A REVIEW OF LARGE-SCALE FRACTURE EXPERIMENTS RELEVANT TO PRESSURE VESSEL INTEGRITY UNDER PRESSURIZED THERMAL SHOCK CONDITIONS Manuscript Completed: November 2000 Date Published: Prepared by C. E. Pugh and B. R. Bass Oak Ridge National Laboratory Managed and Operated by UT-Battelle, LLC P.O. Box 2009 Oak Ridge, TN 37831-8063 USA C. G. Santos, NRC Project Manager Prepared for Division of Engineering Technology Office of Nuclear Regulatory Research U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 NRC Job Code W6631