DS/EN 14982+A1:2011 Plastics piping and ducting systems - Thermoplastics shafts or risers for inspection chambers and manholes - Determination of ring stiffness
This European Standard specifies a test method for assessing the initial (short-term) tangential ring stiffness of riser shafts for thermoplastics inspection chambers or manholes.NOTE This is intended as a test of the structural integrity of riser shafts supporting product standards prEN 13598 2 [1] and prEN 15229 [2].
DS/EN 14982+A1:2011 history
2011DS/EN 14982+A1:2011 Plastics piping and ducting systems - Thermoplastics shafts or risers for inspection chambers and manholes - Determination of ring stiffness