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Towards a methodolo...
Towards a methodology for the characterisation of the fabric of wet clays using x-ray scattering
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- Birmpilis, Georgios, 1988 (författare)
- Chalmers University of Technology, Department of Architecture and Civil Engineering, Gothenburg, Sweden,Chalmers tekniska högskola
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- Ahmadi-Naghadeh, Reza (författare)
- Chalmers University of Technology, Department of Architecture and Civil Engineering, Gothenburg, Sweden,Chalmers tekniska högskola
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- Dijkstra, Jelke, 1980 (författare)
- Chalmers University of Technology, Department of Architecture and Civil Engineering, Gothenburg, Sweden,Chalmers tekniska högskola
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(creator_code:org_t)
- 2019-06-25
- 2019
- Engelska.
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Serie: E3S Web of Conferences, 2267-1242 ; Volume 92
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Ingår i: E3S Web of Conferences. - : EDP Sciences. - 2555-0403 .- 2267-1242. ; 92
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Abstract
Ämnesord
Stäng
- X-ray scattering is a promising non-invasive technique to study evolving nano- and micro-mechanics in clays. This study discusses the experimental considerations and a successful method to enable X-ray scattering to study clay samples at two extreme stages of consolidation. It is shown that the proposed sample environment comprising flat capillaries with a hydrophobic coating can be used for a wide range of voids ratios ranging from a clay suspension to consolidated clay samples, that are cut from larger specimens of reconstituted or natural clay. The initial X-ray scattering results using a laboratory instrument indicate that valuable information on, in principal evolving, clay fabric can be measured. Features such as characteristic distance between structural units and particle orientations are obtained for a slurry and a consolidated sample of kaolinite. Combined with other promising measurement techniques from Materials Science the proposed method will help advance the contemporary understanding on the behaviour of dense colloidal systems of clay, as it does not require detrimental sample preparation.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Geoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Geotechnical Engineering (hsv//eng)
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Nyckelord
- Deformation
- Kaolinite
- Suspensions (fluids)
- X ray scattering
- Characteristic distance
- Consolidated clay
- Hydrophobic coatings
- Measurement techniques
- Noninvasive technique
- Particle orientation
- Sample environment
- Sample preparation
- Clay
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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