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Critical Analysis of International Precast Concrete Pipe Standards

机译:国际预制混凝土管材标准的批判性分析

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摘要

Reinforced concrete pipe (RCP) standard guidelines and industry practice have rather been disconnected from the end-users’ expectations. No genuine effort has so far been made to create synergy between the expertise gained and advances made around the world. With the advent of strong competition from flexible pipe products and changing end-user expectations, a critical look at the current state-of-the-art is needed. In the present paper, RCP standards from a study area representing a quarter of the world’s population (Canada, United States, United Kingdom, China, Australia and New Zealand) were critically analyzed. Comparisons were made in terms of product and material requirements, structural load testing, hydrostatic performance, and durability requirements. It is shown that the RCP sector lags modern developments in concrete technology, standard code advances and materials innovations. The analysis also revealed various knowledge gaps in terms of the mechanical, hydrostatic and durability performance of RCP. Recommendations emanating from this critical analysis aim at tailoring performance-based guidelines that can better capture current market needs and user expectations.
机译:钢筋混凝土管(RCP)标准指南和行业惯例反而与最终用户的期望脱节。迄今为止,尚未做出真正的努力来在全球获得的专业知识与进步之间建立协同作用。随着柔性管产品的激烈竞争以及最终用户期望的不断变化,需要对当前的最新技术进行审视。在本文中,对来自代表世界四分之一人口(加拿大,美国,英国,中国,澳大利亚和新西兰)的研究区域的RCP标准进行了严格分析。在产品和材料要求,结构载荷测试,静水压性能和耐用性要求方面进行了比较。结果表明,RCP行业在混凝土技术,标准规范的进步和材料创新方面落后于现代发展。分析还揭示了RCP的机械,静液压和耐久性能方面的各种知识差距。这项关键分析提出的建议旨在针对基于性能的指南进行定制,以更好地捕获当前的市场需求和用户期望。

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