This paper assesses the influence of (differential) settlement on sewer system functioning. Based on historical data of the vertical position of sewer invert levels, tilt measurements and in-sewer inspection videos, settlement and settlement related influences are analyzed for a case study area in Amsterdam. The average settlement rate of this system was 4 mm/year. Given this settlement rate, it is shown that settlement significantly influences sewer system functioning within the lifetime of a sewer (system).
Settlement as a driver for sewer rehabilitation
J. Dirksen, E. J. Baars, J. G. Langeveld, F. H. L. R. Clemens; Settlement as a driver for sewer rehabilitation. Water Sci Technol 1 October 2012; 66 (7): 1534–1539. doi: https://doi.org/10.2166/wst.2012.347
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