Evaluation of tunnel surrounding rock quality with extenics based on rough set

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作者：
College of Construction Engineering, Jilin University, Changchun 130026, China [1 ]
机构：
来源：
Rock Soil Mech | 2009年 / 1卷 / 246-250期
关键词：
Rocks - Quality control;
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摘要：
The rough set theory is combined with the tunnel surrounding rock evaluation, the problem of weighting coefficient is converted into that of significance estimating on the attributes in rough set, and a relation data model about tunnel surrounding rock evaluation is established. By calculating the weighting coefficient of every grade of the practical tunnel, the tunnel surrounding rock is evaluated by the extenics theory based on rough set. And compared with the practical evaluation results, the results obtained by the extenics theory based on rough set can reflect well the engineering characteristics of the tunnel rock mass.
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