In light of collapses and falling stone problems, such as complicated movement characters, many influential factors and difficult passive protection calculation, through large engineering practice test, it proves the advantages of experience formula calculation method including strong outline, simple parameter and safe and effective etc. As a result, it achieves good practical effect.%针对崩塌落石运动特征表现复杂、影响因子众多、被动防护计算存在困难等问题,通过大量工程实践检验,证明经验公式计算法具有概括性强、参数简单、安全有效等优点,达到了良好的实用效果。
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