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GENERAL HYPOTHESES OF THE THEORY
RESISTANCE TO SOIL MOVEMENT ALONG
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6+tan accordance acting ahead analysis analytical angle basis bucket bulldozer calculations coefficient consumption correspond critical curvature cutting blade cutting depth cylindrical definition sketch degrees of arc depends determined developing diagram digging process direction drag prism edge effect equation established estimating examined excavating machines experimental expression final stages forces formula free-flowing friction given height horizontal component increase inside interaction length limiting magnitude main soil mass maximum mechanics medium method movement moving normal obtained operating regime optimum parameters physico-mechanical properties plane plastic possible pressure problems Professor relating remaining resistance to cutting resistance to digging resistance to movement scraper shape shown shows side sliding surface soil chip soil cutting soil excavation soil layer soil prism specific resistance stress symbols taking into account theory tion tſm vertical volume wall width