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SR EN 15237:2007

Execution of special geotechnical works - Vertical drainage

This European Standard establishes general principles for the execution, testing, supervision and monitoring of vertical drain projects. This European Standard includes the application of prefabricated vertical drains and sand drains and deals with requirements to be placed on design, drain material and installation methods. This European Standard applies to the improvement of low-permeability, highly compressible soils by vertical drainage and preloading. Information regarding loading (embankment, vacuum or ground water lowering) and preloading is given in informative Annexes A and B. Vertical drainage is used both in on land and in marine constructions for the following purposes: ? (pre-)consolidation and reduction of post-construction settlements; ? speeding up the consolidation process by decreasing the path lengths for pore water dissipation; ? increase of stability (by increasing effective stresses in the soil); ? groundwater lowering; ? mitigation of liquefaction effects. In each case there is an overall treatment of the soil (the volume of the drains is small in relati

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Status : Valid
Approval date : 7/31/2007
Publish date : 8/2/2007
Number of pages : 60
ICS : 93.020 Earthworks. Excavations. Foundation construction. Underground works
Technical Committee : 361 - Geotechnic

Relations with other standards: