CONSIDERATIONS IN FRACTURE OF ROCK MASS BY USING TRIAL HYDRAULIC ROCK FRACTURE MACHINE

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  • 油圧式岩盤破砕機による岩盤の破砕に関する基礎的研究
  • ユアツシキ ガンバン ハサイキ ニヨル ガンバン ノ ハサイ ニ カンスル キ

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Abstract

The authors made a hydraulic rock fracture machine on a trial basis. In this paper, the results of field test, laboratory test and theoretical analysis were described. That is, to obtain an effective fracture, it was found that a combination with empty holes and pressed hole, distance between pressed hole and empty holes, angle of edge were important factors.

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