DISORDERS OF CULVERTS ON THE ROADS.

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. The paper deals with disorder problems of culverts and problems of their maintenance on roads of the Czech Republic. The paper introduction describes the different type of culverts in terms of the use of construction material and the type of support structure. Furthermore, the paper presents the most common defects structural and technical condition of the culvert and the influences of disorders on the structural condition. The paper describes the issue of evidence of culverts and assessment of construction and technical condition. The paper conclusion mentions proposals for measures to increase of the reliability and safety. [ABSTRACT FROM AUTHOR]