Peer review artikel

Pipe failure predictions in drinking water systems using satellite observations

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“Soil deformation is believed to play a crucial role in the onset of failures in the underground infrastructure. This article
describes a method to generate a replacement-prioritisation map for underground drinking water pipe networks using ground
movement data. A segment of the distribution network of a Dutch drinking water company was selected as the study area.
Failure registration data comprising 868 failures registered over 40 months and geographical network data were obtained
from the water utility. Ground movement was estimated using radar satellite data. Two types of analyses were performed:
cell and pixel based. For the cell-based analysis, asbestos cement (AC) pipes exhibited the highest failure rates. Older AC
pipes were also shown to fail more often, whereas failure rates for PVC were the lowest. For the pixel-based analysis, ground
movement was demonstrated to play a role in the failure of all materials combined. Therefore, a replacement-prioritisation
map for AC was generated which combined ground movement data and pipe-age data. This method can be a beneficial
resource for network managers for maintenance and continuous monitoring.”
(Citaat: Arsenio, A.M., Dheenathayalan, P., et al. Pipe failure predictions in drinking water systems using satellite observations – Structure and Infrastructure Engineering 11(2015)8, p.1102-1111)

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