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ASME STP/NU-069
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ASME STP/NU-069 2014 Edition, March 14, 2014 ANALYSIS OF SELECTED NONDESTRUCTIVE EXAMINATION (NDE) METHODOLOGIES FOR THE ASSESSMENT OF CRACKING IN CONCRETE CONTAINMENTS
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Description / Abstract:
INTRODUCTION
As the current nuclear fleet enters into long term operation (LTO), challenges are occurring due to the degradation of concrete structures. ASME Section XI, Subsection IWL currently provides in-service inspection requirements to assess the structural condition of concrete containments, through visual examination of the accessible surfaces. However, no specific guidance is provided for assessment of the internal condition of concrete.
To ensure long term safe operation and sustainability of the nuclear fleet, research is needed to determine if nondestructive examination (NDE) tools can provide the level of reliability required to assess existing and emerging degradation issues in concrete containments.
EPRI, through its concrete inspection and aging initiative is performing and directing some of the needed research in this area. It seemed natural that this effort is leveraged with this ASME research grant and, in that way, benefit ASME and EPRI by exploiting synergies in this area.
As the current nuclear fleet enters into long term operation (LTO), challenges are occurring due to the degradation of concrete structures. ASME Section XI, Subsection IWL currently provides in-service inspection requirements to assess the structural condition of concrete containments, through visual examination of the accessible surfaces. However, no specific guidance is provided for assessment of the internal condition of concrete.
To ensure long term safe operation and sustainability of the nuclear fleet, research is needed to determine if nondestructive examination (NDE) tools can provide the level of reliability required to assess existing and emerging degradation issues in concrete containments.
EPRI, through its concrete inspection and aging initiative is performing and directing some of the needed research in this area. It seemed natural that this effort is leveraged with this ASME research grant and, in that way, benefit ASME and EPRI by exploiting synergies in this area.