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根据水利水电岩体预应力锚固工程的需要,把“岩体预应力锚固技术研究”列入“七·五”国家科技攻关重点课题。经三年的努力,研制出GYM、LYM岩体预应力锚固体系并总结出一套较合理的施工、测试工艺流程。本文主要介绍YKD-6000kN级张拉千斤顶、GYM-6000kN级锚索锚夹具,以及LC-6000kN级轮辐式测力传感器在丰满大坝51号坝段加固工程中的应用情况和效果,从实际应用中论证了这一研究成果的可靠性、先进性。
According to the needs of the prestressed anchorage project of hydroelectric and hydroelectric rock mass, “research on prestressed anchorage technology of rock mass” should be included in the key scientific and technological key project of “7.5” national science and technology. After three years of efforts, developed GYM, LYM rock prestressed anchoring system and summed up a more reasonable construction, testing process. This article mainly introduces the application situation and effect of YKD-6000kN tensioning jack, GYM-6000kN anchor cable anchor and LC-6000kN spoke load cell in strengthening project of No.51 dam of Fengman Dam from the practical application In the demonstration of the reliability of this research results, advanced.