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In the Czech Republic there is a dramatic deterioration in the construction condition of the culverts. This development was signed by defects caused mainly by traffic from overloaded vehicles, traffic growth, atmospheric effects, chemical effects caused by salting in the winter time, construction type of culverts and age of culverts. One of the most important factors is insufficient pursuance of evidence culverts and construction maintenance, e.g. remove defects occurring in the beginning [1]. The paper deals with...

During mining activities the constructions on the surface are usually influenced. Extent and time course of negative influences is dependent on array of geological, hydro geological and mining conditions and last not least also on the way of implementation of line construction (i.e. how it is ready to react to these awaited influences). In the past for that reason the array of calculation methods working with more or less precision with using for prognosis of influence of mining activities (i.e. influence of minin...

Roundabouts are generally perceived as safe solution of dangerous intersections. If they are built correctly, number of traffic accidents is lower than in case of common intersection types пїЅ it relates also to severity of results (i.e. fewer deaths and serious injuries, and lower property damages). In comparison with uncontrolled intersections the roundabouts have higher capacity available. Czech standards and technical conditions assess roundabout capacity on the basis of calculation of capacity for approaches ...

The cycle transport is fast developing in the Czech Republic. Gradually becomes not only a sport and way for use free time, but also a full-fledged type of transport. For this to become cycling transport alternative to mobility in cities is need to urban development must also adapt to the needs of cycle transport. It is not only the development of cycle track, but also integrating of cycling transport into the transport system. For fluent and particularly safe keeping cycle transport is also used by interchanges. ...