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Keywords: Helsinki
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Proceedings Papers

Paper presented at the ISRM International Symposium - Rockstore 80, June 23–27, 1980
Paper Number: ISRM-Rockstore-1980-067
... district heating power plant Transmission Line protection ground level power station better utilization district heating system heating application heat station heat production heating system Densely Helsinki Boiler tunnel utilization storage DISTRICT HEATING - PRODUCTION...
Proceedings Papers

Paper presented at the ISRM International Symposium - Rockstore 80, June 23–27, 1980
Paper Number: ISRM-Rockstore-1980-049
.... By using underground space for stores, valuable areas are saved for houses and parks. Only slight changes, i.e. the roads to and from the bunkers, can be seen after construction. SAND BUNKERS IN HELSINKI In Helsinki there are some 900 km of roads which need sanding in winter. To satisfy the...
Proceedings Papers

Paper presented at the ISRM International Symposium - Rockstore 80, June 23–27, 1980
Paper Number: ISRM-Rockstore-1980-033
... whole population. This is one of the very highest percentages in the world. In Helsinki the coverage is 86 %. In underground rock shelters there is currently roan for about 120.000 persons and accommodation for a further 50,000 is under construction. For example in Helsinki there are altogether 27 rock...
Proceedings Papers

Paper presented at the ISRM International Symposium - Rockstore 80, June 23–27, 1980
Paper Number: ISRM-Rockstore-1980-019
... For the pre-planning of a metro system it is important to have a good knowledge of tile ground conditions. If unforeseen circumstances are discovered later it is often almost impossible to change the placement of stations and the route alignments. The metro system of Helsinki was therefore...

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