Memoirs of the Faculty of Engineering, Yamaguchi University

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Memoirs of the Faculty of Engineering, Yamaguchi University Volume 15 Issue 1
published_at 1965

How to Prevent Fall of Roof Rocks in a Longwall Face

長壁払いにおける落盤防止のための調査と考え方
Higuchi Seiichi
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About This Article
Descriptions
Theoretical considerations, methods of investigation and some appropriate counter measures in order not to support the falling rocks, but to create the condition that the fall can not occur, are described in this paper.
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Analysis of Stresses around a Circular Shaft in an Elastic Ground. : In Case the Directions of the Initial Stresses are Vertical and Horizontal.
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Synthetic Sulfide Minerals (I)
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Synthetic Sulfide Minerals (II)
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How to Prevent Fall of Roof Rocks in a Longwall Face
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Study on the Dynamical Properties in the Compressive Fatigue Test of Concrete. (2nd Report)
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Theoretical studies on the collection efficiency in spray tower
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