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中文摘要：
由于各种软岩风化程度不一,其工程性质差异性很大。选取完整性指数、软化系数、自由膨胀率、黏聚力等7个分类因子,根据模糊集重心理论,选取哥西分布函数为隶属函数,采用超标加权法获取权重值,对软岩的软化程度进行评价,弥补了普通模糊综合评判法容易丢失信息的不足。结合具体工程实例对软岩进行软化程度的评价,经比较,其结果与实际工程情况相吻合,且明显优于普通综合评判法。
英文摘要：
The engineering properties of soft rock is difference because of its different weathering intensity.Seven important indices such as integrality coefficient,softness coefficient,free-expansion rate,cohesion were chosen to estimate the softening degree of the soft rock synthetically and quantificationally through the theory of barycenter of fuzzy set,whose membership function is Cauchy distribution and weight was fixed by super weighting method.This method remedied the deficiency of losing information of judgment.It is proved by comparison and analysis that the classification result by above method is in accordance with the observeddata,and the method is superior to normal classification method.
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