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危岩崩落激振作用下的质点峰值振动速度

DOI: 10.3969/j.issn.1674－0696.2012.03.14, PP. 411-415

Keywords: 岩石力学,质点峰值振动速度,模型试验,应变能,危岩,rockmechanics,peakparticlevibrationvelocity,modeltest,strainenergy,perilousrock

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Abstract:

:？群发性危岩破坏机理必须考虑危岩体之间的相互作用，研究危岩崩落激振作用对相邻危岩块的影响具有重要意义。对危岩崩落试验激振信号进行积分变换，同时针对坠落式危岩，建立危岩崩落激振效应物理模型。依据能量守恒原理，构建危岩崩落激振作用下由激振源各向同性向外均布传播的质点振动速度计算方法。并通过实例分析，得到了与试验基本一致的结果。这对进一步实施危岩破坏及演化机制研究提供了一定科学依据。

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