This document specifies the design of earthquake-resistant and subsidence-resistant ductile iron pipelines suitable for use in areas where seismic activity and land subsidence can be expected. It provides a means of determining and checking the resistance of buried pipelines and gives example calculations. It is applicable to ductile iron pipes and fittings with joints as specified in ISO 2531, ISO 7186 and ISO 16631 that have expansion/contraction and deflection capabilities, used in pipelines buried underground.
NOTE Subsidence is not the effects of an earthquake or a sinkhole.
Status: PublishedPublication date: 2020-05
Edition: 2Number of pages: 37
Technical Committee: ISO/TC 5/SC 2 Cast iron pipes, fittings and their joints
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