【摘要】 结合黄河水源太原市城市给水工程和平北路DN 2 0 0 0输水线工程实例 ,对球墨铸铁管、钢管、灰铸管从安全可靠性、输水能力、施工维护三个方面进行分析、比较 ,最终确定球墨铸铁管为和平北路DN2 0 0 0输水线的管材 ,并将球墨铸铁管的特性及其敷设中的管基处理、管道借转角度的控制、支墩的设置做了初浅的分析和总结。同时 ,对球墨铸铁管的广泛应用提出了几点建议更多还原

【Abstract】 Combining with engineering examples of DN2000 water l ine project in Hepingbei road in Taiyuan from the headwaters of the Huanghe Rive r, the paper analyses and compares SG iron pipe, steel pipe, grey cast iron pipe from three aspects of safe reliability, deliverying water capacity, constructio n maintenance, at last ensures SG iron pipe as tubing of DN2000 waterline proje ct in Hepingbei road, simply analyses and summarizes properties of SG iron pipe, base treatment in its laying, control of pipeline angle and installation of but tress. At the same time, the paper puts forward several suggestions for wide app lication of SG iron pipe.更多还原