Building
underground is
becoming an important territory of a modern city. It has a potential to improve
our urban
environment by relieving pressure from the surface, developing better
publictransport network, reducing noise and improving air quality, leaving more
green areas in city centre intact and reducing distances by better
concentration of functions. All of these aspects seem to be a characteristic of
a sustainable city. On one hand, the
sustainability of these structures is
essential due to high construction costs. On the other hand, these spaces
should provide enough
flexibility for our ever-changing society and be able to
satisfy the needs of the future generations. Therefore, these spaces deserve
more attention from urban planners, architects and engineers due to specific
requirements regarding both planning and design in order to improve the quality
of underground spaces.