Evaluation of Residual Tension Force in PCCV Tendons at Genkai Unit 3 4

摘要

ISI has been enforced periodically on Genkai Unit No.3 and Unit No.4 which has started their operation in March 1994 and July 1997 respectively. The PCCV of Unit No.3 has 3 buttresses and Unit No.4 has 2, both adopt the BBRV un-bonded prestress system and although the commencement of construction and operation little differ, both have approximately the same composition and material properties.