煤岩动力系统失稳机理
为了计算不同冲击危险程度煤岩体的具体影响尺度,实现煤矿冲击地压的针对性预防和治理,提出了＂煤岩动力系统＂的概念,构建了＂煤岩动力系统与冲击地压显现关系＂模型。基于爆破理论和Mises屈服强度准则,提出了＂煤岩动力系统＂各区域尺度计算方法并建立了相应的评价指标体系。根据煤矿已发生冲击地压和＂高能量＂微震事件的震源位置和能量值,确定煤岩动力系统＂动力核区＂、＂破坏区＂、＂损伤区＂和＂影响区＂等各区域尺度的具体影响范围,判断不同尺度范围内煤岩体的冲击危险程度。将煤岩动力系统各区域尺度计算方法在老虎台煤矿进行了准确性验证,表明该方法具有较高的可信度和实用性,可以广泛应用在矿井冲击地压的预测与危险性评价...
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| Published in | 煤炭学报 Vol. 42; no. 7; pp. 1663 - 1671 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
2017
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| Subjects | |
| Online Access | Get full text |
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| Abstract | 为了计算不同冲击危险程度煤岩体的具体影响尺度,实现煤矿冲击地压的针对性预防和治理,提出了＂煤岩动力系统＂的概念,构建了＂煤岩动力系统与冲击地压显现关系＂模型。基于爆破理论和Mises屈服强度准则,提出了＂煤岩动力系统＂各区域尺度计算方法并建立了相应的评价指标体系。根据煤矿已发生冲击地压和＂高能量＂微震事件的震源位置和能量值,确定煤岩动力系统＂动力核区＂、＂破坏区＂、＂损伤区＂和＂影响区＂等各区域尺度的具体影响范围,判断不同尺度范围内煤岩体的冲击危险程度。将煤岩动力系统各区域尺度计算方法在老虎台煤矿进行了准确性验证,表明该方法具有较高的可信度和实用性,可以广泛应用在矿井冲击地压的预测与危险性评价工作中。 |
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| AbstractList | 为了计算不同冲击危险程度煤岩体的具体影响尺度,实现煤矿冲击地压的针对性预防和治理,提出了＂煤岩动力系统＂的概念,构建了＂煤岩动力系统与冲击地压显现关系＂模型。基于爆破理论和Mises屈服强度准则,提出了＂煤岩动力系统＂各区域尺度计算方法并建立了相应的评价指标体系。根据煤矿已发生冲击地压和＂高能量＂微震事件的震源位置和能量值,确定煤岩动力系统＂动力核区＂、＂破坏区＂、＂损伤区＂和＂影响区＂等各区域尺度的具体影响范围,判断不同尺度范围内煤岩体的冲击危险程度。将煤岩动力系统各区域尺度计算方法在老虎台煤矿进行了准确性验证,表明该方法具有较高的可信度和实用性,可以广泛应用在矿井冲击地压的预测与危险性评价工作中。 |
| Author | 荣海 张宏伟 梁冰 韩军 王雅迪 |
| AuthorAffiliation | 辽宁工程技术大学矿业学院,辽宁阜新123000 辽宁工程技术大学力学与工程学院,辽宁阜新123000 辽宁工程技术大学安全科学与工程学院,辽宁阜新123000 辽宁工程技术大学煤炭资源安全开采与洁净利用工程研究中心,辽宁阜新123000 |
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| DocumentTitleAlternate | Instability mechanism of dynamic system of coal and rock |
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| Notes | RONG Hai1,2, ZHANG Hong-wei1,4, LIANG Bing2,4, HAN Jun1,4, WANG Ya-di3（ 1. College of Mining, Liaoning Technical University, Fuxin 123000, China; 2. School of Mechanics and Engineering, Liaoning Technical University, Fuxin 123000, China ; 3. College of Safety Science and Engineering, Liaoning Technical University, Fuxin 123000, China ; 4. Resarch Center of Coal Resources Safe Mining and Clean Utilization, Liaoning Technical University, Fuxin 123000, China） rockburst;dynamic system of coal and rock;microseismic energy;regional scale;risk assessment;accuracy validated In order to calculate the concrete scale range of coal and rock mass in different rockburst danger degrees,and prevent and control rockburst in coal mine,the concept of dynamic system of coal and rock is put forward in this paper.The model of the relationship between the occurrence of rockburst and dynamic system is built at the same time.The calculation method of dynamic system scale and its evaluation system and quantitative indicators are put for |
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| PublicationTitle | 煤炭学报 |
| PublicationTitleAlternate | Journal of China Coal Society |
| PublicationYear | 2017 |
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| StartPage | 1663 |
| SubjectTerms | 冲击地压 准确性验证 区域尺度 危险性评价 微震能量 煤岩动力系统 |
| Title | 煤岩动力系统失稳机理 |
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