TL;DRAbstract
In 1982 the Netherlands Marine Technological Research (MaTS) organization requested the Coastal Engineering Group of the Department of Civil Engineering at the Delft University of Technology to conduct research on the behaviour of pipelines instalied on a sandy sea bottom. This research project was split in the following subprojects. A - Study of the scour around pipelines on a sandy bottom, and the possible resulting self-burial. B - Stresses in the pipeline during the development of free spans. C - Forces exerted by groundwater pressures, when partly or completely burried. D - Stability of cover layers. This report is concerned with the last of these sub-projects. The design of a cover layer can be split into three parts: - The overall lay-out of the cover layer. - The dimensions of the top-layer material. - The filter construction.
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In 1982 the Netherlands Marine Technological Research (MaTS) organization requested the Coastal Engineering Group of the Department of Civil Engineering at the Delft University of Technology to conduct research on the behaviour of pipelines instalied on a sandy sea bottom. This research project was split in the following subprojects. A - Study of the scour around pipelines on a sandy bottom, and the possible resulting self-burial. B - Stresses in the pipeline during the development of free spans. C - Forces exerted by groundwater pressures, when partly or completely burried. D - Stability of cover layers. This report is concerned with the last of these sub-projects. The design of a cover layer can be split into three parts: - The overall lay-out of the cover layer. - The dimensions of the top-layer material. - The filter construction.
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