Characterization Of Sediment From Storm Water Tunnels
Author(s)
C. Färm, D. Johansson, Z. Kadic & S. Waara
Abstract
Characterization of sediment from
storm water tunnels
C. Fiirm, D. Johansson, Z. Kadic & S. Waara
Department of Public Technology, Malardalen University, Sweden
Abstract
Tunnels used for storm water were constructed in several cities in Sweden and
other countries during the 1970s. In addition to the importance of the hydraulic
function of the tunnel, the environmental aspects of the storm water flowing out
into the recipient as well as the contamination of the accumulated sediment in the
tunnel are very important factors to consider regatding the operation and
maintenance of the tunnel. Sediment accumulated in the tunnel should eventually
be removed and depending upon contaminant level it could be used as soil or it
has to be safely disposed of. In the city of Vasterls, Sweden, four storm water
tunnels were constructed in the beginning of the 1970s. This paper describes a
physical and chemical characterization of sediments from three of the tunnels as
well as an evaluation of the potential toxi
Keywords
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