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Keywords: bedrock shelterClose
Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-046
... course more alternatives to choose. Alternative uses Nearby all of the larger air-raid shelters have been built in rock since the beginning of the 1960-es (Vuorela and Tervila,1980). The Finnish bedrock is usually of good quality and the soil cover is thin. The first bedrock shelters were mainly used for...
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