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本文介绍了挪威西部的尼塞特·斯泰吉尔水电站工程965m水头无衬砌压力井的设计,并应用现场实测的岩石应力和水力劈裂试验资料,以检验压力井的安全性。在混凝土衬砌段里,从无衬砌到钢衬砌的危险过渡区域,采用高压进行了环氧树脂灌浆。无衬砌压力井于1982年2月已成功地充水运行。
This paper introduces the design of 965m headless linerless pressure well in the Nisite Titil Hydroelectric Power Station in western Norway and applies the field test data of rock stress and hydraulic splitting to test the safety of the pressure well. In concrete lining sections, high-pressure epoxy grouting was carried out from the non-lining to the dangerous transition area of the steel lining. Lining pressure wells in February 1982 has been successfully water-filled operation.