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New test method to determine effect of recycled materials on corrugated HDPE pipe performance as projected by rate process method

机译:确定速率工艺方法预测的可再生材料对HDPE波纹管性能影响的新测试方法

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摘要

One of the key requirements for successful use of recycled materials is ensuring performance of the resulting HDPE corrugated pipe.As slow crack growth (SCG) has been identified as a potential key criterion in long term field performance for HDPE corrugated pipe,research was undertaken to develop a test method for corrugated HDPE pipe samples that results in laboratory SCG failures that test the highest stress riser in the pipe wall geometry.The present paper will explain the pipe ring test method,compare SCG failure modes of laboratory data with pipe samples exhumed from field service,describe use of rate process method (RPM) methodology on the laboratory SCG data and detail the proposed next phase in the development of the methodology.
机译:成功使用再生材料的关键要求之一是确保最终HDPE波纹管的性能。由于已将缓慢裂纹扩展(SCG)确定为HDPE波纹管长期现场性能的潜在关键标准,因此进行了研究。开发一种用于波纹HDPE管样品的测试方法,该方法导致实验室SCG失效,从而测试管壁几何形状中的最高应力上升点。本文将解释管环测试方法,将实验室数据的SCG失效模式与从中提取的管样品进行比较现场服务,描述在实验室SCG数据上使用费率处理方法(RPM)方法,并详细介绍方法开发中建议的下一阶段。

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