基于综合赋权聚类分析的岩石爆破性分区评价

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Abstract The difference and connection between blastability classification and zoning of the blasting compliance are discussed. According to the need of blasting operation in production，the factors affecting the result of blasting operation were analyzed；liner correlation was made on the data obtained from tests of physico-mechanical properties and joint geometric parameters of 15 types of rocks. The study results show that tensile strength，compression strength，density and average distance of joint could be used to appraise zoning of the blasting compliance of rocks. An appraisement system for zoning of blasting compliance of rocks based on weighted clustering analysis was established. At the same time，the method of decide weight comprehensively is adopted to solve the flaws in determining the weights of decide weight objectivity and subjectivity. This application of zoning of the blasting compliance of rocks to Baiyunebo west iron mine shows that this method is scientific，reasonable and practical.

Key words： rock mechanics blastability classification zoning of blasting compliance weighted clustering analysis weight decide weight comprehensively

Received: 25 September 2011

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http://www.rockmech.org/EN/Y2013/V32/Is1/2817

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