List of products by author: J. Rychtecky

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  Metro tunnel under Cvetan Lazarov Boulevard in Sofia

  Abstract: The capital city of Bulgaria, Sofia, has a population of approximately 1.3 million and two metro lines, so-called Diameters, which are connected in the north. Thus you can ride both lines on one train without having to get off. The metro in Sofia is undergoing a period of development. Currently, the selection of a contractor is underway for the third underground line and the extension of...

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  Metro tunnel with minimum overburden under a boulevard in Sofia

  Abstract: The capital city of Bulgaria, Sofia, has a population of approximately 1.3 million and two metro lines, so-called Diameters, which are connected in the north. Thus you can ride both lines on one train without having to get off. The metro in Sofia is undergoing a period of development. Currently, the selection of a contractor is underway for the third underground line and the extension of...

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