Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/72437
Title: Geotechnical features of the welded ignimbrites of the Canary Islands
Authors: Rodriguez-Losada, J. A.
Hernandez-Gutierrez, L. E.
Lomoschitz Mora-Figueroa, Alejandro 
UNESCO Clasification: 2506 Geología
250621 Vulcanología
Keywords: Gran-Canaria
Explosive Eruptions
Tenerife
Issue Date: 2007
Publisher: CRC Press
Conference: International Workshop on Volcanic Rocks 
Abstract: First geotechnical data of two pyroclastic deposits are provided: The Arico (Tenerife) and Arucas (Gran Canaria) welded ignimbrites. Average data are summarized for different coloured specimens. Ultrasonic wave velocity varies between a maximum of 4741 m/s and a minimum of 2316 m/s for the Arucas ignimbrites and a maximum of 4865 m/s and a minimum of 3041 m/s for the Arico ones. Bulk density ranges from 1.4 gr/cm3 to 2.4 gr/cm3 (Arucas) and from 1.7 gr/cm3 to 2.4 gr/cm3 (Arico). Uniaxial compressive strength varies from 92.40 MPa to 6.12 MPa (Arucas) and from 127 MPa. to 22.5 MPa (Arico). Tensile strength ranges from 51 MPa to 50 MPa (Arucas) and from 36 MPa to 20 MPa (Arico). Point Load Test gives values from 8 MPa to 0.6 MPa (Arucas) and from 8.2 MPa to 1.7 MPa (Arico). Additionally, the effect of the textural anisotropy is considered.
URI: http://hdl.handle.net/10553/72437
ISBN: 978-0-415-45140-6
Source: Volcanic Rocks - Proceedings of the International Workshop on Volcanic Rocks, Workshop W2 - 11th Congress ISRM / ed. Ana Maria Malheiro, Joao Carlos Nunes, p. 29-33, (Diciembre 2007)
Appears in Collections:Actas de congresos
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