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作者综述了锚杆(锚索)护顶的作用原理,通过对凤凰山铜矿充填法采场用锚杆——长锚索护顶试验结果的分析,作者进一步研究了长锚索护顶的功能,论述了应用长锚索的设计方法及确定其相关因素的计算方法。
The author summarizes the action principle of bolting (anchor cable) protection roof. Based on the analysis of the test results of bolting with anchor-long cable anchor in Fengqingshan copper mine filling method, the author further studies the long anchor cable Function, discusses the application of long cable design method and determine the related factors of the calculation method.