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Author

Zhang Y. Xing

Chongqing University, China
1 article in our journals

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Research ArticleOpen accessMost Used Rock Mass Classifications for Underground OpeningAl-Jbori A’ssim, Zhang Y. XingProblem statement: Rock mass characterization is an integral part of rock engineering practice. The empirical design methods based on rock mass classifications systems provide quick assessments of the support requirements for underground excavations at any stage of a project, even if the available geotechnical data are limited. The underground excavation industry tends to lean on empirical approaches such as rock … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 2 · 30 Jun 2010 · 7,281 accessesView PDFCite