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Design of buried thermoplastic pipes study
9th November 2022
Reservoirs for infiltration, attenuation and storage of stormwater, which are made of cubic thermoplastic boxes according to EN 17152-1 [4] create vertical subsurface walls. These walls are exposed to horizontal soil pressure. Practical experience demonstrates a complex soil interaction of the flexible walls having time dependent deflections and being significantly different from rigid walls as concrete or steel structures. In the following report, the data is assessed to generate the key statements which are the basis for a more realistic structural design of the products under horizontal soil pressure in the future.
Report on Assessment of Test Data, Sand Box Testing, Cubic Thermoplastic Boxes according to EN 17152-1