岩爆预测的灰色关联系统分析与评价

朱连根; 黄曼

岩爆预测的灰色关联系统分析与评价

朱连根¹,
黄曼²

1.
浙江省地质矿产工程公司杭州 310016;
2.
浙江工业职业技术学院绍兴 312000

基金项目:

浙江省高校重大科技攻关项目(ZD2009008)

详细信息

作者简介:
朱连根,主要从事工程地质与地质灾害研究工作.Email:zhuliangen2298@126.com

中图分类号: TU457
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- 被引次数: 0
出版历程
- 收稿日期: 2010-08-20
- 修回日期: 2011-02-28
- 刊出日期: 2011-10-25

ANALYSIS AND EVALUATION OF GREY INCIDENCE SYSTEM FOR ROCK BURST PREDICTION

ZHU Liangen¹,
HUANG Man²

1.
Geology and Mineral Resources Engineering of Zhejiang Province,Hangzhou 310016;
2.
Zhejiang Industry Polytechnic College,Shaoxing 312000

摘要

摘要: 岩爆由于其发生的突然性和猛烈性,常给地下工程建设带来灾害性破坏,因此,岩爆预测研究具有重大的工程意义。岩爆由于影响因素众多且关系复杂,采用传统的指标和评价办法很难系统地考虑诸多因素,而采用灰色关联分析方法可建立起各种影响因素的相关性。灰色关联系统通过分析洞室围岩应力、岩性条件和能量条件等影响岩爆的主要因素,选取岩石抗压强度、抗拉强度、弹性能量指数和洞壁最大切向应力作为岩爆预测的评判指标,建立了岩爆预测的灰色关联系统分析模型。在基于经验的基础上运用所建立的灰色关联模型对典型工程的岩爆类型进行了判定,评价结果表明:(1)利用灰色关联度分析方法能够考虑影响岩爆的主要因素,判别的结果与实际情况相符,证明了本分析方法的适用性和有效性; (2)与其它判别岩爆的方法相比,灰色关联度分析方法原理简单,可操作性强,更具有实用价值,并可通过选用参考序列的典型性和代表性来提高岩爆评价的准确性和可靠性。
- 岩爆 /
- 灰色关联系统 /
- 预测 /
- 岩石地下工程
Abstract: Severe damage can be caused by rock burst because it occurs suddenly and strongly in deep underground engineering construction.It is very important to predict the rock burst.Due to complex influence factors and their relationship,the rock burst cannot be predicted well by using of the traditional index and evaluation-methods.However,the grey incidence system can be used to establish the relevance of various influence factors.This paper analyzes the main factors of rock burst.It selects the rock compressive strength,the rock tensile strength,the rock elastic energy index and the maximum tangential stress of cavern wall as the indexes of criterion for rock burst prediction.A grey incidence system model of rock burst prediction is established.On the bases of engineering experience,the prediction model is applied to practical engineering.The prediction results show that the method of grey incidence analysis can considers the main influence factors of rock burst.It is feasible and valid to predict the rock burst of underground engineering.Comparing with the other prediction methods,the grey incidence system has high accuracy and reliability.The prediction accuracy of rock burst can be improved by choosing more representative engineering experience.
- Rock burst /
- Grey incidence system /
- Prediction /
- Underground rock engineering

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参考文献(1)

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