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- A THEORETICAL EVOLVING MODEL OF ROCK MASS BLASTING WITH STATISTICAL DAMAGE 岩体爆破的损伤统计演化理论模型
- On Survey of Rock Mass Blasting 论岩体大爆破工程的勘测
- rock mass blasting 岩体爆破
- Unloading rock mass mechanics II. 卸荷岩体力学2。
- The blasting of slope excavation results in the damage of rock mass consequentially. 摘要边坡开挖爆破必然造成边坡岩体的损伤。
- The rock mass produced by an intrusive process. 侵入岩浆岩浆侵入过程中生成的岩块
- Cumulative explosion is a promising technology in controlled blasting of rock mass. 聚能爆破技术是岩石控制爆破技术中有待开发的领域。
- The paper studies on influence factors of cut blasting in crack rock mass, gives relative waysand principles of hole pattern base on crack distributed. 对裂隙岩体中掏槽爆破布孔的影响因素进行了研究,并根据裂隙分布的情况提出相应的布孔方法和原则。
- Regarding the rock mass classification, for design and project cost estimation, it should be different from those in bore & blast. 设计和工程造价中关心的围岩分类应区别于传统的钻爆法。
- The coupled method of UDEC and AUTOYN 2D was used to simulate the propagation of blast waves in a jointed rock mass and the influence of joints on the propagation. 离散元程序 UDEC与有限差分程序 AUTODYN- 2 D相结合 ;用于模拟节理岩体中爆炸波的传播和节理对波传播的影响 .
- Simultaneously, the displacements of the rock mass were monitored. 与此同时,还对矿房围岩的变形进行了监测;
- A fracture or crack in a rock mass along which no appreciable movement has occurred. 裂缝,裂口岩石块中的碎片或缝隙,在其周围未发生过可被觉察到的运动
- The influence of blasting vibration on existed adjacent underground chambers or surrounding rock mass of the tunnel under excavating is inevitable if the method of blasting is employed for excavation. 由于地下洞室主要采用钻爆法施工,不可避免地存在爆破开挖对邻近已开挖洞室和开挖洞室本身的影响问题。
- The 2D dimension elastic-plastic model of rock mass was adopted and the smooth blasting process with and without damage were simulated with the dynamic finite program ANSYS/LS-DYNA. 摘要应用动力有限元ANSYS/LS-DYNA程序,建立岩体二维弹塑性模型,对不考虑损伤和考虑损伤的光面爆破过程进行了数值模拟,并比较2种模型最大有效应力随距离的变化关系。
- Theory and practice of grouting drainage and anchorage of rock mass II. 岩体灌浆排水锚固理论与实践2。
- There is a large scale of dynam-relaxed rock mass lies in Daliushu dam site. 大柳树坝址区存在大面积、大范围的岩体松动破坏现象。
- Cleavage and fracture have a strong impact on blasted result for rock mass. 摘要节理裂隙对岩体爆破效果有很大的影响。
- The construction of Yuhuai railway from Chongqing to Huaihua is faced with a great lot of cutting blasting engineering in layered rock masses. 渝怀(重庆至怀化)铁路的修建面临着大量的顺层石质路堑爆破开挖施工。
- The formulas of rock mass displacements and deformations are devel... 通过工程实例分析表明,理论预计结果与现场实测结果吻合。
- Accumulating sand can lead to great pressure on top of the grottoes and ponding in the rock mass. 积沙还能造成窟顶巨大压力和岩体积水。