SPECIAL DESIGN CONSIDERATIONS FOR BURIED HDPE PIPING IN NUCLEAR SAFETY RELATED APPLICATIONS

机译：核安全相关应用中埋入式HDPE管道的特殊设计注意事项

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Due to its recognized resistance against galvanic corrosion, microbiological induced corrosion (MIC), and fouling compared to carbon steel, high density polyethylene (HDPE) piping material has recently been proposed for replacement of carbon steel piping in nuclear safety related class 3 service water buried piping applications. However, there are some unique challenges requiring special design considerations due to HDPE's visco-elastic nature, need for relatively thicker pipe walls, and very low material allowable stress. This paper examines special design considerations such as design factor, minimum required wall thickness for pressure, thermal gradient effects, and cumulative effect from loads of different duration. Useful guidelines from design and analysis perspective are provided.

机译：与碳钢相比，由于其公认的耐电偶腐蚀，微生物诱发腐蚀（MIC）和结垢的特性，最近提出了高密度聚乙烯（HDPE）管道材料来代替与核安全相关的3级生活用水中的碳钢管道管道应用。但是，由于HDPE的粘弹特性，需要相对较厚的管壁以及非常低的材料许用应力，因此存在一些需要特殊设计考虑的独特挑战。本文研究了特殊的设计注意事项，例如设计系数，压力所需的最小壁厚，热梯度效应以及不同持续时间的载荷所产生的累积效应。提供了从设计和分析角度出发的有用指南。

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来源
《ASME pressure vessels and piping conference;PVP2009》|2010年|P.135-142|共8页
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作者
Chakrapani Basavaraju; Kamal A. Manoly; U. S. Nuclear Regulatory Commission;
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中图分类压力容器;
关键词
a: putside radius of pipe; b: inside radius of pipe; A: cross-sectional area of pipe; D_o: outside diameter of pipe; D_m: mean diameter of pipe;

机译：a：管道的倒立半径; b：管道内径; A：管道的截面积; D_o：管道的外径; D_m：管道的平均直径;

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1. Application of piping failure database to nuclear safety issues in Korea [J] . Jeong Soon Park, Young Hwan Choi International Journal of Pressure Vessels and Piping . 2012,第Null期

机译：管道故障数据库在韩国核安全问题中的应用
2. Design considerations in a nuclear safety instrumentation system [J] . Underkoffler V. S., Olson R. G. Electrical Engineering . 1958,第11期

机译：核安全仪表系统中的设计注意事项
3. A combined deterministic and probabilistic procedure for safety assessment of beyond design basis accidents in nuclear power plant: Application to ECCS performance assessment for design basis LOCA redefinition [J] . Dong Gu Kang, Seung-Hoon Ahn, Soon Heung Chang Nuclear Engineering and Design . 2013,第jula期

机译：核电厂超设计基准事故安全性评估的确定性和概率组合程序：设计基准LOCA重新定义在ECCS性能评估中的应用
4. STRUCTURAL INTEGRITY OF HDPE PIPING AND JOINTS IN NUCLEAR SAFETY- RELATED APPLICATIONS [C] . S. Kalyanam, P. Krishnaswamy, D.-J. Shim, International conference on nuclear engineering;ASME power conference . 2012

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5. Qualitative analysis of nuclear resonance fluorescence applications for special nuclear material detection in Homeland Security [D] . Sims, Bryan T. 2011

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6. Scale Deposition Inhibiting Composites by HDPE/Silicified Acrylate Polymer/Nano-Silica for Landfill Leachate Piping [O] . Min Li, Rui Zhao, Sude Ma, 2020

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7. THROUGH-WALL BENDING STRESS EQUATIONS FOR THE DESIGN OF SAFETY- RELATED BURIED PIPING [O] . Michael P. H. Marohl, Lundy Llc, Mark A. Moenssens 2015

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8. Preparation of Design Specifications and Design Reports for Pumps, Valves, Piping, and Piping Supports Used in Safety-Related Portions of Nuclear Power Plants. [R] . Rodabaugh, E. C., Moore, S. E. 1987

机译：准备用于核电厂安全相关部分的泵，阀门，管道和管道支架的设计规范和设计报告。

SPECIAL DESIGN CONSIDERATIONS FOR BURIED HDPE PIPING IN NUCLEAR SAFETY RELATED APPLICATIONS

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