Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Yukifumi, Ishiguro"'
Publikováno v:
International Journal of Rock Mechanics and Mining Sciences. 43:1226-1240
To evaluate core disking rock stress and tensile strength via the compact conical-ended borehole overcoring (CCBO) technique, the mechanism of core disking by means of the CCBO technique is discussed. It is simulated that overcoring of the CCBO under
Autor:
Yukifumi Ishiguro, Yuzo Obara
Publikováno v:
International Journal of Rock Mechanics and Mining Sciences. 41:761-769
The state of induced stress measured by the compact conical-ended borehole overcoring technique in the immediate roof of an approach tunnel excavated under high rock stress is described. During the measurements, core disking was observed. An X-ray Co
Publikováno v:
資源と素材. 117(4):265-270
Core disking is sometimes observed in high stress region where rock stress measurements are performed by the Compact Conical-ended Borehole Overcoring (CCBO) Technique, which is one of the stress relief methods. When the tensile stress induced on the
Publikováno v:
Shigen-to-Sozai. 117:265-270
Core disking is sometimes observed in high stress region where rock stress measurements are performed by the Compact Conical-ended Borehole Overcoring (CCBO) Technique, which is one of the stress relief methods. When the tensile stress induced on the
Publikováno v:
Doboku Gakkai Ronbunshu. 2000:171-183
岩石の比抵抗と地質要因, 含水量などとの関係について明らかにし, 電気探査結果から地山の岩盤状況を評価する際の基礎資料を得ることを目的にして, ボーリングコアおよび立方体供試
Publikováno v:
Doboku Gakkai Ronbunshu. 1991:203-211
鋼橋の疲労に対する耐久性の評価が重要になってきている. 本報告では, 異種の道路橋で実施されたヒストグラムレコーダによる実働応力の計測例を収集し, ECCS疲労設計指針に示される修