深部岩爆演化机制的耗散结构理论分析
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摘要
从能量分析的角度,利用系统科学中的耗散结构理论与尖点突变模型研究深埋地下空间围岩体系统岩爆等岩体突然失稳破坏的演化机制。通过分析深埋地下空间局部围岩体系统的开放性、远离平衡态和非线性,符合耗散结构理论要求的3个特征,说明发生岩爆等岩体突然失稳破坏的深埋局部围岩体系统是一种典型的耗散结构,符合耗散结构从无序向有序发展的一般规律。通过建立尖点突变模型,解释了深部岩爆发生的"突发"机制;通过建立深埋地下空间力学模型及其本构方程,得到深部岩爆等围岩体突然失稳破坏危险性的评价指标。
From the perspective of energy analysis,the evolution mechanism of sudden instability and failure of rock mass such as rock burst in surrounding rock mass system in deep buried underground space was studied by using the dissipative structure theory in system science and the cusp catastrophe model.The openness,far from the equilibrium state and nonlinearity of the local surrounding rock mass system in the deep buried underground space were analyzed,which was consistent with the required three characteristics of dissipative structure theory.It indicated that the deep buried local rock mass system with sudden instability and failure of rock mass such as rock burst was a typical dissipative structure,agreeing well with the general law of dissipative structure from disorder to order.The model of cusp mutation was established to explain the burst mechanism of deep rock burst.Moreover,by establishing the mechanical model of deep underground space and its constitutive equation,the evaluation indexes of sudden instability and failure of rock mass such as rock burst were obtained.
From the perspective of energy analysis,the evolution mechanism of sudden instability and failure of rock mass such as rock burst in surrounding rock mass system in deep buried underground space was studied by using the dissipative structure theory in system science and the cusp catastrophe model.The openness,far from the equilibrium state and nonlinearity of the local surrounding rock mass system in the deep buried underground space were analyzed,which was consistent with the required three characteristics of dissipative structure theory.It indicated that the deep buried local rock mass system with sudden instability and failure of rock mass such as rock burst was a typical dissipative structure,agreeing well with the general law of dissipative structure from disorder to order.The model of cusp mutation was established to explain the burst mechanism of deep rock burst.Moreover,by establishing the mechanical model of deep underground space and its constitutive equation,the evaluation indexes of sudden instability and failure of rock mass such as rock burst were obtained.
引文
[1]王元汉,李卧东,李启光,等.岩爆预测的模糊数学综合评判方法[J].岩石力学与工程学报,1998(5):15-23.
[2]韩素平,尹志宏,靳钟铭,等.耗散结构理论在岩石类材料变形系统中的初探[J].太原理工大学学报,2006(3):323-326.
[3]秦广鹏,蒋金泉,陈绍杰.基于全应力应变曲线岩石破坏动力学特征分析[J].地下空间与工程学报,2011(6):1097-1102.
[4]赵忠虎,谢和平.岩石变形破坏过程中的能量传递和耗散研究[J].四川大学学报(工程科学版),2008(2):26-31.
[5]费鸿禄,徐小荷,唐春安.地下硐室岩爆的突变理论研究[J].煤炭学报,1995(1):29-33.
[6]王连国,缪协兴.基于尖点突变模型的矿柱失稳机理研究[J].采矿与安全工程学报,2006(2):137-140.
[7]白云飞.基于突变理论的矿柱岩爆机理与岩爆预测研究[D].长沙:中南大学,2009:88.
[8]潘岳.巷道“封闭式”冲击的尖点突变模型[J].岩土力学,1994(1):34-41.
[9]周锦兰.二十世纪著名科学理论---耗散结构理论简介[J].高等函授学报(自然科学版),1995(1):60-63.
[10]许强,黄润秋.岩石破裂过程的自组织临界特征初探[J].地质灾害与环境保护,1996(1):25-30.
[11]秦四清.初论岩体失稳过程中耗散结构的形成机制[J].岩石力学与工程学报,2000(3):265-269.
[12]唐春安,费鸿禄,徐小荷.系统科学在岩石破裂失稳研究中的应用(一)[J].东北大学学报,1994(1):24-29.
[13]赵忠虎,鲁睿,张国庆.岩石失稳破裂的能量原理分析[J].金属矿山,2006,10(6):17-20.
[14]张立新,李长洪.突变理论及其在隧道失稳中的应用[J].工业建筑,2007(S1):863-865.
[15]潘一山,章梦涛.煤岩应变软化与地下洞室稳定性研究[C]//首届全国青年岩石力学学术研讨会.上海:中国岩石力学与工程学会青年工作委员会,1991:62-69.
[16]潘岳,王志强.基于应变非线性软化的圆形硐室围岩弹塑性分析[J].岩石力学与工程学报,2005,24(6):915-920.
[2]韩素平,尹志宏,靳钟铭,等.耗散结构理论在岩石类材料变形系统中的初探[J].太原理工大学学报,2006(3):323-326.
[3]秦广鹏,蒋金泉,陈绍杰.基于全应力应变曲线岩石破坏动力学特征分析[J].地下空间与工程学报,2011(6):1097-1102.
[4]赵忠虎,谢和平.岩石变形破坏过程中的能量传递和耗散研究[J].四川大学学报(工程科学版),2008(2):26-31.
[5]费鸿禄,徐小荷,唐春安.地下硐室岩爆的突变理论研究[J].煤炭学报,1995(1):29-33.
[6]王连国,缪协兴.基于尖点突变模型的矿柱失稳机理研究[J].采矿与安全工程学报,2006(2):137-140.
[7]白云飞.基于突变理论的矿柱岩爆机理与岩爆预测研究[D].长沙:中南大学,2009:88.
[8]潘岳.巷道“封闭式”冲击的尖点突变模型[J].岩土力学,1994(1):34-41.
[9]周锦兰.二十世纪著名科学理论---耗散结构理论简介[J].高等函授学报(自然科学版),1995(1):60-63.
[10]许强,黄润秋.岩石破裂过程的自组织临界特征初探[J].地质灾害与环境保护,1996(1):25-30.
[11]秦四清.初论岩体失稳过程中耗散结构的形成机制[J].岩石力学与工程学报,2000(3):265-269.
[12]唐春安,费鸿禄,徐小荷.系统科学在岩石破裂失稳研究中的应用(一)[J].东北大学学报,1994(1):24-29.
[13]赵忠虎,鲁睿,张国庆.岩石失稳破裂的能量原理分析[J].金属矿山,2006,10(6):17-20.
[14]张立新,李长洪.突变理论及其在隧道失稳中的应用[J].工业建筑,2007(S1):863-865.
[15]潘一山,章梦涛.煤岩应变软化与地下洞室稳定性研究[C]//首届全国青年岩石力学学术研讨会.上海:中国岩石力学与工程学会青年工作委员会,1991:62-69.
[16]潘岳,王志强.基于应变非线性软化的圆形硐室围岩弹塑性分析[J].岩石力学与工程学报,2005,24(6):915-920.