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원윤호(Youn-Ho Won),최병화(Byoung-Hwa Choi),전창빈(Chang-Been Jeon),박문백(Mun-Baek Park) 한국소음진동공학회 2016 한국소음진동공학회 학술대회논문집 Vol.2016 No.4
Integrity verification test of piping system in nuclear power plant also referred to as Piping Verification Test is a series of tests performed to verify integrity of piping system by checking movement of piping system to ensure it behaves as designed during hot functional and power ascension tests in initial tests. In other words, piping verification test verifies adequacy of safety-related and important piping systems by confirming compliance of installed condition of the piping and pipe supports with design, and by checking measured pipe movement due to vibration and thermal expansion against allowable design limits to ensure they are acceptable. Based on the experiences accumulated through technical support for the piping verification tests of Korea domestic nuclear power plants, this paper presents key point summary of the regulatory requirements and basis for the tests, piping systems to be tested, thermal expansion and vibration test procedures, and applicable Codes.