A New Method for Improving the RQD Determination of Rock Core in Borehole
DOI: 10.1007/S00603-015-0789-8
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摘要: … when samples are extracted from cores with different drilling orientations. Moreover, factors such as the quality of drilling and logging, rock strength and core size, water conditions, joint …
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researchgate.net 参考文章(24)
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