DU Shi gui, XU Si fa, YANG Shu feng, CHENG Jun jie, WANG Si jing. 2000: APPLICATION OF ROCK QUALITY DESIGNATION(RQD) TO ENGINEERING CLASSIFICATION OF ROCKS. JOURNAL OF ENGINEERING GEOLOGY, 8(3): 351-356.
    Citation: DU Shi gui, XU Si fa, YANG Shu feng, CHENG Jun jie, WANG Si jing. 2000: APPLICATION OF ROCK QUALITY DESIGNATION(RQD) TO ENGINEERING CLASSIFICATION OF ROCKS. JOURNAL OF ENGINEERING GEOLOGY, 8(3): 351-356.
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    APPLICATION OF ROCK QUALITY DESIGNATION(RQD) TO ENGINEERING CLASSIFICATION OF ROCKS

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      • Abstract
    • Some problems of determinnation of rock quality designation(RQD) in rock engineering classification is discussed, and a rational approach is studied.Classification are discussed, and a rational approach to correct choosing RQD values is studied.
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