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List of products by author: R. Gutiérrez
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Analysis of the Squeezing Phenomenon and Rehabilitation of La Linea Tunnel
Abstract: La Línea tunnel corresponds to one of the most important road tunnels in Colombia, 8.6 km long, 14 m of diameter, with high overburden in excess of 800m, built in a complex tectonic geological environment in the Andes. The presence of several geological faults, where the squeezing phenomenon predominated and was classified as highly severe, accompanied by time dependent behavior affected the...
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Design and Construction of Underground Caverns under Different Geological Conditions in the Andean Region
Abstract: This article presents design criteria, behavioral and construction aspects of five deep underground power stations excavated in sedimentary, igneous and metamorphic rocks, as components of an equal number of hydropower projects either in operation or construction in the Andes Mountain Range. Guavio is highlighted amongst several cases as one of the deepest power stations in...
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Tunnelling Experiences in the Andes Mountain Range
Abstract: During the 1940’s, Terzaghi defined different ground behavior applicable to tunnel design and con- struction. Failure mechanisms in tunnels anticipated by Terzaghi have occurred in a number of underground works excavated by conventional drill-and-blast methods as well as TBMs in the An- des Mountain Range. In this article, a number of case histories are presented where the authors have been...
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