In-situ pore size investigations of loaded porous concrete with non-destructive methods

Subject of this investigation is the in-situ evolution of pore volume and pore size distribution in Ytong (a porous concrete material) under increasing pressure with two different non-destructive analytical methods: Nuclear Magnetic Resonance (NMR) and X-ray Computed Tomography (CT). For both method...

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Bibliographic Details
Published inCement and concrete research Vol. 111; pp. 72 - 80
Main Authors Rifai, H., Staude, A., Meinel, D., Illerhaus, B., Bruno, G.
Format Journal Article
LanguageEnglish
Published Elmsford Elsevier Ltd 01.09.2018
Elsevier BV
Subjects
Cement
Computed tomography
COMPUTERIZED TOMOGRAPHY
CONCRETES
External pressure
MATERIALS SCIENCE
NMR
Nondestructive testing
NUCLEAR MAGNETIC RESONANCE
Pore size distribution
Porosity
POROUS MATERIALS
STRAINS
X-RAY RADIOGRAPHY
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ISSN0008-8846
1873-3948
DOI10.1016/j.cemconres.2018.06.008

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Summary:Subject of this investigation is the in-situ evolution of pore volume and pore size distribution in Ytong (a porous concrete material) under increasing pressure with two different non-destructive analytical methods: Nuclear Magnetic Resonance (NMR) and X-ray Computed Tomography (CT). For both methods special strain devices to apply external pressure were constructed. The results from the two techniques yield complementary information on the pore size distribution and allows covering different pore size regions.
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ISSN:0008-8846
1873-3948
DOI:10.1016/j.cemconres.2018.06.008