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前言在鲁布革水电站首部工程的溢洪道开挖中,存在着高边坡岩石块体的稳定问题。原设计采用预应力锚索作为处理的措施之一,后鉴于钢绞线的来源及施工工艺复杂等问题,准备用砂浆长锚杆来代替预应力锚索。为此,要求在工地进行试验,以论证砂浆长锚杆的可行性,并探索一套施工工艺,简化生产流程,以便加速电站建设。
Preface In the spillway excavation of the first project of the Lubuge hydropower station, there is a problem of stability of rock masses in high slope. The original design using prestressed anchor as one of the measures to deal with, in view of the source of the strand and the construction process is complex and other issues, ready to use long mortar anchor instead of prestressed cable. To this end, it is required to conduct experiments on site to demonstrate the feasibility of long mortar mortar and to explore a construction process to simplify the production process in order to speed up the construction of power plants.