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Non-Identical Flanges with Full-Face Elastic Gaskets 带全表面弹性垫圈的非相同法兰
ASME规范第八节第1部分规则不包括带全表面垫片的螺栓法兰连接。向焊接研究委员会提交了此类规则的提案,仅涵盖相同配对的全表面垫圈螺栓法兰连接。本文回顾了此类连接用垫片和法兰的性能,并展示了如何修改相同对的方法,以包括不同厚度的法兰、异径法兰和法兰盖等不同对。建议的方法类似于第八节第1部分“带环形垫圈的螺栓法兰连接规则”中使用的方法。推导了方程,并给出了数值算例。给出了与应变片测量实验数据的有限相关性。
Bolted flanged connections with full-face gaskets are not covered by ASME Code, Section VIII, Division 1 rules. A proposal for such rules was presented to the Welding Research Council, covering full-face gasketed bolted flanged connections in identical pairs only. This paper reviews the behavior of gaskets and flanges for such connections and shows how the method for identical pairs can be modified to include dissimilar pairs such as flanges of different thickness, reducing flanges and flanged covers.The proposed method is similar to the method used in the present Section VIII, Division 1 rules for bolted flanged connections with ring gaskets. Equations are developed and numerical examples are provided. Limited correlations with experimental data from strain gage measurements are given.
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