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Arching Structures in Granular Sedimentary Deposits
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SYSNO ASEP 0392958 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Arching Structures in Granular Sedimentary Deposits Author(s) Kulaviak, Lukáš (UCHP-M) RID, ORCID, SAI
Hladil, Jindřich (GLU-S) RID, SAI
Růžička, Marek (UCHP-M) RID, ORCID, SAI
Drahoš, Jiří (UCHP-M) RID, SAI
Saint-Lary, L. (FR)Source Title Powder Technology. - : Elsevier - ISSN 0032-5910
Roč. 246, SEP (2013), s. 269-277Number of pages 9 s. Language eng - English Country CH - Switzerland Keywords wet granulars ; deposit ; arching structure Subject RIV CI - Industrial Chemistry, Chemical Engineering Subject RIV - cooperation Institute of Geology - Geology ; Mineralogy R&D Projects GA104/07/1110 GA ČR - Czech Science Foundation (CSF) IAAX00130702 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) LG11014 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UCHP-M - RVO:67985858 ; GLU-S - RVO:67985831 UT WOS 000324083000031 EID SCOPUS 84878916560 DOI 10.1016/j.powtec.2013.05.033 Annotation Experimental results on arching structures in sedimentary deposits are presented. Polydisperse mixtures of rough non-spherical natural calcite particles (ground limestone) settled collectively in a liquid, in a lab-scale experimental cylinder. At the bottom, layers of sediment were produced. The morphology of the deposit layers was studied with the help of visualization and image analysis. Families of interconnected arching patterns in the form of voids or cavities were identified, of highly complex geometry. The effect of the mixture composition on the deposit structure was investigated. It was found that arches tend to form under specific conditions. Large and small grains promoted the arch formation, while the medium grains tended to inhibit arching. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2014
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