分析关键的地质结构和岩石爆发预测方法
Chunchi Ma1,2, Yang Yuan3,4, Xiang Ji5
1State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu, 610059, China. machunchi17@cdut.edu.cn.
Scientific reports
|May 9, 2025
概括
这项研究引入了一种新的方法,通过分析关键的地质结构来预测岩石爆炸灾害. 该方法结合了数值模拟和神经网络,用于在地下工程中快速,字典式的风险评估.
科学领域:
- 地质技术工程 地质技术工程
- 采矿工程 采矿工程 采矿工程
- 计算力学 计算力学 计算力学
背景情况:
- 岩石喷发灾害与特定的地质结构密切相关,需要关注"地质载体"才能准确预测.
- 现有的方法往往忽视了地质结构对岩石爆发潜力的微妙影响.
- 了解地力学模式和结构效应对于减轻岩石爆裂风险至关重要.
研究的目的:
- 开发一种新的岩石爆发预测方法,明确纳入关键地质结构的影响.
- 建立一个可靠的评估指数,用于岩石爆裂能量释放和参数灵敏度.
- 创建一个快速的,字典式的预测工具,用于地下工程中的岩石爆炸.
主要方法:
- 使用数值模拟来建立相对能量释放的评估指数,并分析参数灵敏度.
- 使用GA-BP神经网络和拉丁超立方体采样开发了一个替代模型,以将结构参数与岩石爆裂效应联系起来.
- 蒙特卡洛方法和岩石爆发强度分类被用于识别危险样本并解释关键参数的置信区间.
主要成果:
- 建立了岩石爆裂能量释放的评估指数,使关键结构参数的灵敏度分析成为可能.
- 一个GA-BP神经网络替代模型准确地表示了结构参数和岩石爆裂效应之间的关系.
- 确定了关键结构参数的置信区间,从而产生了识别危险地质结构的预测方法.
结论:
- 拟议的方法提供了一个新的途径,通过全面考虑地质结构影响,精确地预测岩石爆炸灾害.
- 这种创新方法促进了地下工程中的快速,字典式的岩石爆破预测.
- 该研究为提高采矿和地下建筑的安全性和降低风险提供了有价值的工具.
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