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Proceedings Papers

Paper presented at the ISRM International Workshop on Rock Mechanics and Geoengineering in Volcanic Environments, May 31–June 1, 2010
Paper Number: ISRM-IWVE-2010-013
.... The method to obtain water in these volcanic areas involves digging horizontal galleries with explosives. The galleries cross the dikes and drain the water from the water saturated area. The main problem of this type of perforation is to obtain the water continually, without the possibility of water...
Proceedings Papers

Paper presented at the ISRM International Workshop on Rock Mechanics and Geoengineering in Volcanic Environments, May 31–June 1, 2010
Paper Number: ISRM-IWVE-2010-047
... a series of small galleries above the cavern roof and from these gal- leries to install reinforcing elements before excava- tion of the cavern commences. These reinforcing elements will induce compressive stresses in the rock mass immediately above the cavern roof that will provide the confinement required...
Proceedings Papers

Paper presented at the ISRM International Workshop on Rock Mechanics and Geoengineering in Volcanic Environments, May 31–June 1, 2010
Paper Number: ISRM-IWVE-2010-044
...Volcanic Rock Mechanics Olalla et al. (eds) © 2010 Taylor & Francis Group, London, ISBN 978-0-415-58478-4 An access gallery to the underground Fuente Santa spring, La Palma, Spain C. Soler Dirección General de Aguas del Gobierno de Canarias, Spain ABSTRACT: This paper presents the work done...
Proceedings Papers

Paper presented at the ISRM International Workshop on Rock Mechanics and Geoengineering in Volcanic Environments, May 31–June 1, 2010
Paper Number: ISRM-IWVE-2010-045
... of the soil nails quantity defined in the natural slopes, translated into an economy for this type of works of about 1200 m, corresponding to 14% of the previewed total. During the works execution six natural water storage galleries were found, from which only two had already been identified but without any...
Proceedings Papers

Paper presented at the ISRM International Workshop on Rock Mechanics and Geoengineering in Volcanic Environments, May 31–June 1, 2010
Paper Number: ISRM-IWVE-2010-030
.../west direction. The tunnel comprises two galleries 15 m apart in a straight direction with 2100 m long and a con- stant inclination of 3.5% in the northern gallery and 3.65% in the southern gallery, from level 70 on the Machico side and up to level 140 on the Caniçal side, comprising the largest double...

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