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浙江大学学报(工学版)
J4  2014, Vol. 48 Issue (3): 498-503    DOI: 10.3785/j.issn.1008-973X.2014.03.018
土木、水利工程     
基于粗糙集-理想点法的岩爆预测
贾义鹏,吕庆,尚岳全,杜丽丽,支墨墨
浙江大学 建筑工程学院,浙江 杭州 310058
Rockburst prediction based on rough set and ideal point method
JIA Yi-peng,LV Qing,SHANG Yue-quan,DU Li-li,ZHI Mo-mo
College of Civil Engineering and Architecture,Zhejiang University,Hangzhou 310058,China
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摘要：

为评价岩爆对施工安全的影响,提出一种基于粗糙集理论和理想点法的岩爆预测方法.根据岩爆发生所需条件,选取最大切向应力与岩石单轴抗压强度比值、岩石单轴抗压强度与抗拉强度比值、岩石弹性能量指数３项指标作为条件属性集.以国内外36组已有工程数据为信息库,通过粗糙集理论求解各评价指标权重,建立岩爆预测的粗糙集-理想点法模型.采用该模型对苍岭隧道和锦屏二级水电站探硐两个工程进行岩爆预测,模型准确地预测了各开挖断面所发生的轻微岩爆和中等岩爆,预测结果与实际情况相吻合,验证了该模型的可行性和适用性,该模型也可用于类似工程的岩爆预测.
Abstract:

A new model using  rough set and ideal point was established to evaluate the influence of rockburst on the safety in construction. According to the occurrence conditions of rockburst, ratio of maximum tangential stress on cavern boundaries and uniaxial compressive strength of rock, ratio of uniaxial compressive strength and uniaxial tensile strength of rock, and elastic energy index of rock were selected to construct attribute set. Weight coefficients of these evaluation indexes were confirmed by rough set using the data in 36 practical cases. The model was applied to predict the rockburst for the Cangling tunnel and the exploratory tunnel of Jinping II Hydropower Station. Slightly and medium rockburst occured in each sections were accurately reflected by the model, and the prediction results fit well with the actual situation,thus the feasibility and applicability of the proposed approach were verified. This model can be referred to other similar engineering practice．
出版日期: 2018-06-10
:  TU 45  
基金资助:

浙江省重大科技专项和优先主题资助项目（2010C13029）；国家自然科学基金资助项目(41202216).
通讯作者: 吕庆，男，讲师.     E-mail: lvqing@zju.edu.cn
作者简介: 贾义鹏(1981-)，男，博士生，主要从事地下工程防灾减灾研究.E-mail:870239264@qq.com
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引用本文:

贾义鹏,吕庆,尚岳全,杜丽丽,支墨墨. 基于粗糙集-理想点法的岩爆预测[J]. J4, 2014, 48(3): 498-503.

JIA Yi-peng,LV Qing,SHANG Yue-quan,DU Li-li,ZHI Mo-mo. Rockburst prediction based on rough set and ideal point method. J4, 2014, 48(3): 498-503.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2014.03.018    或    http://www.zjujournals.com/eng/CN/Y2014/V48/I3/498

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