摘要
为分析厚硬岩层断裂诱发矿震可能对地面造成一定的震动损害,以矿震引起地面震动损害响应工程实例为背景,采用理论结合实践的方法,研究厚硬岩层断裂型矿震地面震动损害边界预测模型及其定量估算方法。研究结果表明:大范围厚硬岩层空间结构形成过程中岩体固支端持续弹性变形,这是厚硬岩层断裂型矿震的主要能量来源;震源能量传播至地面转化成质点不同震动速度,能够表征震动损害响应程度和确定地面震动损害边界;开采地面“移动-震动”损害边界统一预测模型,兼顾了缓慢岩移与瞬间矿震2类灾害特征;采用研究模型预测16101工作面矿震引起地面明显震感、较强震感、民用建筑物破坏不同边界为4187 m,1233 m,705 m,预测结果与实际矿震地面响应范围基本相符。研究结果可为矿震地面震动损害研究提供参考。
In order to analyze the potential ground vibration damage induced by thick-hard strata fracture-triggered mine tremors,this study established a theory-practice integrated approach based on engineering cases of ground vibration responses to mine tremors,and established a prediction model with quantitative assessment method for ground vibration damage boundaries.The results demonstrate that continuous elastic deformation at fixed ends during the formation of large-scale thick-hard strata spatial structures serves as the primary energy source for fracture-type mine tremors.Consequently,propagation of seismic energy to the surface generates varying vibration velocities of particles,which effectively characterize vibration damage intensity and determine ground damage boundaries.Building on this mechanism,the proposed“movement-vibration”damage boundary prediction model comprehensively addresses both gradual rock movement and instantaneous mine tremor hazards.Significantly,when applied to Panel 16101,the model predicted damage boundaries at 4187 m(perceptible vibration),1233 m(strong vibration),and 705 m(structural damage to civil buildings),with results showing strong alignment to actual ground response ranges.These findings provide valuable references for predicting ground vibration damage in mine tremor.
作者
年宾
张明
张宇
王卫
魏凯祥
陈国华
赵建明
李志军
NIAN Bin;ZHANG Ming;ZHANG Yu;WANG Wei;WEI Kaixiang;CHEN Guohua;ZHAO Jianming;LI Zhijun(Chexplor Resource Exploration Technology Co.,Ltd.,Huaibei Anhui 235000,China;State Key Laboratory of Digital Intelligent Technology for Unmanned Coal Mining,Anhui University of Science&Technology,Huainan Anhui 232001,China;Wushenqi Mengda Mining Co.,Ltd.,Ordos Inner Mongolia 017305,China;Ordos Emergency Management Bureau,Ordos Inner Mongolia 017000,China)
出处
《中国安全生产科学技术》
北大核心
2025年第7期106-113,共8页
Journal of Safety Science and Technology
基金
国家自然科学基金项目(52104114)
校企联合博士后科研项目(离层注浆覆岩运动与冲击地压防控研究与技术服务)。
关键词
煤矿开采
矿震
厚硬岩层
地面震动损害
预测模型
coal mining
mine tremor
thick-hard strata
ground vibration damage
prediction model
