This automated design tool aims to show the possibilities (and limitations) of immersed tunnels for engineers, government organizations and contractors not too familiar with the concept. With a longitudinal section in hand, it can be compared with bored tunnel and bridge variants. With the cost estimations, the financial competitiveness can be weighed. Basic structural calculations are performed to substantiate the design although local ground conditions shall always be considered (immersed tunnels can be applied in very soft to medium-hard soil conditions). In any case, this document shows some basic principles of immersed tunnels.
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