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Assessment of in-place concrete strength according to the major standards

 Assessment of in-place concrete strength according to the major standards
Author(s): ,
Presented at IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010, published in , pp. 722-723
DOI: 10.2749/222137810796063517
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The evaluation of the structural capacity of existing structures and infrastructures requires the assessment of the actual in-place concrete strength. Direct and indirect methods to evaluate the co...
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Bibliographic Details

Author(s):

Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010
Published in:
Page(s): 722-723 Total no. of pages: 8
Page(s): 722-723
Total no. of pages: 8
Year: 2010
DOI: 10.2749/222137810796063517
Abstract:

The evaluation of the structural capacity of existing structures and infrastructures requires the assessment of the actual in-place concrete strength. Direct and indirect methods to evaluate the concrete strength have been developed though the primary technique is the core test.

In order to estimate the structural capacity of an existing structure the experimental data obtained by testing of cores were used to evaluate the specified in-place compressive strength according to the main standards such as EN 13791 and ACI 214.4R. The results obtained were critically evaluated, compared, and analyzed to assess the in-place concrete quality according also to the statistical methods proposed in ISO 12491.

The procedures proposed by the standards studied give similar results though they are obtained following different approaches.

Keywords:
concrete quality Bayesian approach core testing in-place concrete compressive strengths standards/guidelines/codes