Selection Matrix for Non-Destructive Testing of NPP Concrete Structures

Fahim Al-Neshawy, Esko Sistonen, Jari Puttonen, Miguel Ferreira, Edgar Bohner

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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Abstract

In general, the deterioration factors affecting concrete structures may be
divided into (i) physical, (ii) chemical, and (iii) mechanical factors including also (iv) defects. Deterioration can result in loss of strength and unsafe conditions of the structures. NPP contain a variety of concrete structures that their structural
performance of which is essential to the safety of the plant. Early detection of concrete structural deterioration in NPP is critical issue considering the consequence that they can eventually lead to. To ensure the safety and integrity of NPP, non-destructive testing (NDT) is carried out during the in-service life time. However, current NDT faces several challenges: (i) the NDT can be performed only during the revision time and the test process is time limited, (ii) the accuracy of the test devices, (iii) the compatibility of different NDT methods to the concrete structures and their deterioration mechanisms, (iv) the global uniformity of the NDT test methods and (v) the creditability of the test results and analysis. This paper is critically assess the NDT techniques currently in use to build a selection matrix for non-destructive testing of NPP concrete structures and to fulfil for the needs of NPP infrastructure evaluation in Finland.
The results will specify the means for the assessment of suitability of different
NDT methods for the NPP concrete structures. The results will also provide the
nuclear power companies and utilities with reliable non-destructive test techniques to ensure the safety of the nuclear power plant facilities.
Original languageEnglish
Title of host publication19th World Conference on Non-Destructive Testing 2016
Subtitle of host publicationWCNDT 2016
Number of pages9
ISBN (Electronic)978-1-5108-2949-7
Publication statusPublished - 2016
MoE publication typeA4 Article in a conference publication
EventWorld Conference on Non Destructive Testing - Munich, Germany
Duration: 13 Jun 201617 Jun 2016
Conference number: 19
http://www.wcndt2016.com/

Publication series

NameNDT.net
ISSN (Electronic)1435-4934

Conference

ConferenceWorld Conference on Non Destructive Testing
Abbreviated titleWCNDT
CountryGermany
CityMunich
Period13/06/201617/06/2016
Internet address

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