Real-world case: In the 2011 Christchurch earthquake (New Zealand), uncertified seismic-resistant pipes suffered a 27% rupture rate, while ISO 16134-certified pipeline systems achieved zero leakage. (Data source: NZ Water Report)

ISO 16134 specifies requirements for the design of earthquake-resistant and settlement-resistant ductile iron pipes intended for areas prone to seismic activity and ground subsidence. It provides methods for determining and verifying the resistance of buried pipelines, including calculation examples. This standard applies to ductile iron pipes and fittings buried underground, featuring joints with telescopic and deflection capabilities as defined in standards such as ISO 2531.

Scope of Application:

 Pipe Material Types: Applicable to DINSEN ductile iron pipes and fittings ranging from DN 80 to DN 2600.
 Working Pressure Range: ≤ 3.2 MPa (PN32).
 Application Scenarios: Buried water supply/gas transmission pipelines, Seismically active areas (design peak ground acceleration ≥ 0.3g)

ISO16134 standard specifies the design criteria and requirements for preventing damage to cast iron pipes caused by earthquakes and subsidence, covering the design requirements for pipeline strength, stability, corrosion resistance, bursting resistance, and leakage prevention to ensure the safety and reliability of pipelines in harsh environments. A method for determining and checking the resistance of buried pipelines is provided, and calculation examples are given. In the specific implementation process, it is necessary to take into account local geological conditions, seismic activity, climatic conditions and other factors, and make reasonable earthquake and anti-sinking designs based on these factors. It is also necessary to consider the installation and maintenance of the pipeline to ensure its long-term stable operation.

Normative references: Lists other relevant international standards cited in the standard, such as ISO 2531, ISO 7186 and ISO 16631, which specify aspects such as the joints of ductile iron pipes.

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