DURABILITY TESTING FoR 100 YEAR LIFETIME FOR BURIED NoN-PRESSURE PLASTIC PIPES

摘要：

For plastics pipes used for underground drainage and sewerage there is at present no internationally accepted method for the evaluation of durability．This makes it diffiCult to make an objective assessment for both new materials and new pipe designs entering the market．Th is paper presents a poss ible future structure of such a durabil ity evaluation for non-pressure pipes Based on an experimental study of pipes made from a filled and an anfilied PP material and oiqe made from an HDPE material different damage mechanisms and changes in pipe characteristics were observed when the pipes wtere exposed to long-term deflection and long term(one-year)ageing at+95℃．A CAED methodology is also described which was used to investigate the distribution and time dependence of pipe stresses．

作者: Gunnar Bergstrom Stefan Nilssonn Kristian Th(o)rnblom Cari-Gustaf Ek Harald Herbst Anders Stenstr(o)m

作者单位: Swedish National Testing and Research Institute,Sweden Boreal is AB,Sweden Boreal is Polyolefine GmbH,Austria

会议类型: 国际会议

会议名称: 2009(Beijing) International Plastic Pipe Ezchange Conference(国际塑料管道交流会)

会议地点: 北京

会议语种:英文

页码: 247-257

在线出版日期: 2009-11-01（万方平台首次上网日期，不代表论文的发表时间）