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Abstract: With the growing world population and the rising transport volume, intelligent underground tunnel solutions become a necessity. At the same time, safety is becoming an increasingly important aspect in planning of these infrastructures. One of the measures in discussion is the construction of cross passages, mostly between parallel tunnels. In general, these tunnels are very short but their...
Abstract: The situation in coastal areas is becoming critical. More and more people are moving to the world´s urban centers. Big cities are turning into megacities with more than 5 million inhabitants. Most of these megacities grow up in coastal areas. Cities like Jakarta, Lagos, Manila, Mumbai, Bangkok, New York, Osaka-Kobe, Rio de Janeiro and Shanghai have one thing in common: they are all located on...