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- surrounding rock failure of engineering 工程圍岩破壞
- It is possible to use Gurit without damaging the surrounding rock. 使用古力特炸藥將完全可能不造成對圍岩的破壞。
- Based on the measured results and field survey, the cause of the failure and deformation of the surrounding rock around soft rock laneway in MaLuPing mine are discussed. 根據現場調查和實測結果,分析了馬路坪礦軟岩巷道圍岩變形和破壞的主要原因。
- Therefore, the influence of shear dilation on the failure face should be considered for determining relaxed pressure of surrounding rock for the shallow bias tunnel. 因此，在確定淺埋偏壓隧道圍岩鬆動壓力時應該考慮剪脹對破壞面形狀的影響。
- The results show that: the dilatancy angle has great influence on the surrounding rock displacement and the shape of failure face for shallow bias tunnel. 結果表明：剪脹角對淺埋偏壓隧道圍岩位移和破壞面形狀有較大影響。
- The drilling fluid may interact with the surrounding rock in other ways. 鑽井液可能會以其它方式與周圍的岩石相互作用。
- If the volcano becomes inactive and cools, surrounding rock may be worn away. 如果火山變得不活動並冷卻下來，圍岩就可能被剝蝕掉。
- Their use made the design of roadway surrounding rock supporting safer. 這些結果的應用使巷道岩石支護的設計更趨於安全。
- A change within an intrusive igneous rock caused by the assimilation of portions of the surrounding rock. 內變質作用由於周圍岩石同化作用而在侵入火成岩內部產生的變化
- Rock failure mode during drilling using ballas bit is similar ro shearing with high RPM andlow WOB. 由於巴拉斯鑽頭是剪切破岩，並且有高轉速、低鑽壓的工作特性，筆者用它進行糾斜和防斜。
- The research results, taken as criterion of prediction of rock failure, is of important instru... 結論作為預警岩體破壞的準則有重要參考價值。
- The Relations Between Rockburst and Surrounding Rock Stress in Underground Chambers. 地下洞室中岩爆與圍岩應力的關係。
- It gives clear definition and classification of soft rock, and a comprehensive study has been made on the mechanism of soft rock failure. 首先明確了軟岩的定義及分類，對影響軟岩隧道穩定因素，軟岩隧道失穩的力學機理和變形力學機製作了較為全面的研究。
- If the surrounding rock is soft and is later worn away, the walls remain and form ridges called dikes. 如果圍岩柔軟,日後又被剝蝕掉,這種岩壁就下來形成山脊,稱為岩牆。
- Under the different loading considerations and constraint conditions, rock failure happens with one type (tension or shear) or two types concurrence. 由於具體的承載條件和約束條件不同,岩體破壞時,可能是以某一種(拉或剪)形式破壞,也可能以兩種破壞形式並存發生。
- On the Relation between Alteration of Surrounding Rock and Gold Mineralization in the Xinchen Gold Ore Deposit. 淺談新城金礦床圍岩蝕變與金礦化的關係
- Rock Failure Process Analysis (RFPA) code is used to study the failure process of rock disks with pre-existing cracks under dynamic loading. 摘要本文利用岩石破裂過程分析系統(RFPA)研究了含有不同角度預製裂紋的岩石試樣在動態載荷作用下的破壞過程。
- The present method could make the supporting of roadway surrounding rock safe and economic. 按最優恆阻支護計算方法設計巷道支護，可以達到經濟且安全的最佳支護效果。
- A small rounded lump of a mineral or mixture of minerals, usually harder than the surrounding rock or sediment. 礦的結核一種礦物或礦物混合物的小圓塊，通常比表層岩石或礦渣堅硬
- The deep roadway surrounding rock of Jinchuan No.2 mine area was crumbly and had obvious creep. 金川二礦區深部巷道圍岩岩石破碎,蠕變特性明顯,地應力大,巷道變形嚴重,巷道返修量大,嚴重製約了礦山的發展。
