BS 9295:2020,Guide To The Structural Design Of Buried Pipes (British Standard).
This revision of BS 9295 has been prepared to maintain alignment with BS EN 1295-1: 2019, which now cites BS 9295 as the primary source of the methods accepted for the structural design of buried pipes in the UK. The opportunity has been taken to review various shortcomings in the earlier UK design methods, many of which have arisen due to changes in the nature of pipes over the period since those methods were originally published.
Changes from the methods previously published as BS EN 1295-1 and BS 9295 include the introduction of a new conceptual model for the design of buried flexible pipes focused on large-diameter structured-wall thermoplastics pipes, explicit consideration of the quality of workmanship envisaged during installation, non-circular shaped concrete pipes, and a wider range of bedding materials. Non-circular shaped pipes in materials other than concrete are not in common usein the UK so their design is not covered by this edition.
BS 9295:2020 gives the UK established method for the structural design of buried pipes undervarious conditions of loading. The procedures are explained, with tables listing the recommended design values for the appropriate variables in the design formulae, figures providing graphical information on vehicle surcharge loadings, and tables of rigid pipe bedding factors.
BS 9295:2020 pdf can be downloaded here.
BS 9295:2020 pdf download
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