新世代修繕用維生管線之應力分析

The stress analysis for the new generation life line of rehabilitation

梁淵程(Yuan-Cheng Liang)

國立虎尾科技大學/工程學院/動力機械工程研究所/碩士(2006年)

摘要

本論文針對破裂PVC管線，使用內襯複合樹脂材料免開挖修繕之，經由有限元素的應力分析，求取修繕用內襯材料的最佳厚度。結果顯示，針對PVC管之破裂角度與破裂寬度分別為324°與30 mm時，且使用橫向壓縮撓曲率小於5% 的準則之下，管徑ψ300、ψ400、ψ500 與ψ600的修繕內襯管材最佳厚度分別小於2.1、2.9、4.1與5.2 mm，而修補後的管線流量則可達到原始管線的96% 以上。

並列摘要

This study proposes a stress analysis model for the cracked PVC pipe, which is rehabilitated with an inner composite epoxy material by a dig-free method. Using this proposed model, the optimal thickness of the rehabilitated material can be found. Pipes with a crack of 30mm width and 324° angle are investigated. Results show that the optimal thicknesses of the rehabilitated material for ψ300, ψ400, ψ500 and ψ600 PVC pipes are smaller than 2.1, 2.9, 4.1 and 5.2mm respectively. With these optimal thicknesses, the flow rates of rehabilitated pipes can reach 96% the flow rates of original pipes.

參考文獻

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