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List of products by author: M. Egaña
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Challenges on the design of Mining Caverns
Abstract: Design and construction of caverns for the mining industry have great challenges to address, some of which may be quite different to those found at caverns for civil or hydropower projects. This article aims to describe main features of underground openings in mining and main challenges found on their design, construction and operation. Main challenges include the variable stress field in...
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Transforming old railway tunnels to modern road tunnels. Three case studies from
Abstract: Since the decay of the railway services in Chile, several railway tunnels built at the beginning of the 20th century were abandoned and later used as part of the road network. Nevertheless, they do not satisfy modern road standards and there is a necessity to enhance its safety and availability conditions. This article describes three case studies developed by the Ministry of Public Works:...
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