On the possibility of unified description of zonal disintegration in surrounding deep level tunnel rock mass

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• 作者：QI Cheng-zhiQIAN Qi-huWANG Ming-yangCHEN Jian-jie
• 会议时间：2013-07-01
• 关键词：zonal disintegration ; continuous phase transition theory ; temporal evolution
• 作者单位：QI Cheng-zhi(Beijing High lnstitntion Research Center for Engineering Structures and New Materials, Beijing University of Civil Engineering and Architecture,Beijing 100044, China)QIAN Qi-hu,WANG Ming-yang(Engineering Institute of Cops of Engineers, PLA University of Science and Technology, Nanjing 210007, China)CHEN Jian-jie(Northwest Institute of Nuclear Technology, Xi'an 710024, China)
• 母体文献：第3届中俄矿山深部开采岩石动力学高层论坛论文集
• 会议名称：第3届中俄矿山深部开采岩石动力学高层论坛
• 会议地点：南京
• 主办单位：中国工程院
• 语种：chi

摘要

This paper at first briefly presents the situ observation results of evolution of different types of zonal disintegration.It is clear the situ observations that deformation and fracture of rock mass demonstrate different temporal evolution features in dependence of rock properties.Then the possibility of unified description of zonal disintegration in surrounding deep level tunnel rock mass is studied.The ratio K of the average distance between cracks to the average crack length is taken as additional parameter to describe the change of internal structure of rock mass.In dependence of the magnitude of parameter K the evolution equation derived from continuous phase transition theory may have different solutions corresponding to different types of zonal disintegration.Therefore continuous phase transition theory may describe different types of zonal disintegration very well.