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- arc pilot tunnel excavation 弧形导坑开挖
- It is a very difficult problem of overbreak in tunnel excavation. 超欠挖一直是隧道开挖中遇到的一大难题。
- Application of Enlarged Partial Excavation Method of Arc Pilot Hole to Danjiashao Tunnel 扩大弧形导坑分部开挖法在旦架哨隧道的应用
- The programme of "front benching pilot tunnel divisional and laminated skewed slot construction" was created. 独创了“正台阶导硐分部分层斜沟施工方案”,该方案具有良好的推广应用价值。
- In many projects, like the Simplon, for example, a small pilot tunnel is driven before the full diameter of the tunnel is excavated. 在许多隧道工程中，经如辛普龙大隧道，都要在隧道全面开挖前打一个导洞。
- Nine division belt machine adopt middle pilot tunnel descend storied lamination construct method,transect construction ensure security. 九采区胶带输送机皮带机头硐室刷扩,采用中央导硐下行分层的施工方法,大断面施工保证了安全。
- The tunnel excavation mechanics behavior of the banding rocks was simulated by the ANSYS general finite element computation software. 并用ANSYS通用有限元计算软件对层状岩体中隧道开挖的力学行为进行了数值模拟。
- Methods of tunnel excavation in unconsolidated formations and the collapse zone treatment are intro-duced according to the formation properties fo exit section of Yangzong No. 针对阳宗海一号隧道出口段的地层特点，介绍了在松散土体地层中遂道施工方法的选择及在施工中出现坍塌的处理方法。
- The surface ground subsidence caused by tunnel excavation is a high nonlinear course of self-organization.It is formed by disordered rock mass self-organization. 摘要隧道开挖引起的地面沉陷是由于隧道开挖在地下形成空洞，受扰动岩体通过自组织在地面形成的一种损害形式，其形成过程具有高度非线性。
- Due to the difference in stress paths between the loading and unloading conditions, it is unsuitable to apply mechanical model under loading condition to stability of tunnel excavation. 由于岩体在加载和卸载条件下应力路迳的不同，仅采用加载条件下所建立的力学模型来研究隧道的开挖稳定性问题是不适合的。
- Because of the weak borehole sealing and inadequate use of the initial free face, the higher investment and unsatisfactory blasting effect still exist in the mine tunnel excavation blasting. 由于炮孔堵塞不牢和初始自由面利用不充分,井下平巷的掘进开挖爆破仍存在投入大、爆破结果欠理想等问题。
- In this paper, based on project excavation of the Wansongling tunnel, the monitoring way and controlling technology of vibration of blasting earthquake wave induced by tunnel excavation were studied. 以万松岭隧道工程开挖为研究对象,对隧道工程开挖施工爆破地震波的振动监测方法及控制技术进行了研究。
- Applying pilot tunnel to treat tunnel collapse 采用小导坑处理隧道坍方
- pilot tunnel with double -sided wall 双侧壁导坑
- double sides wall pilot tunnel method 双侧壁导坑法
- tunnel excavation and dewatering 隧道开挖及疏水
- Joan of Arc was one of France's greatest daughters. 圣女贞德是法国最伟大的女性之一。
- The pilot manages to glide down to a safe landing. 驾驶员设法使飞机滑行下降安全著陆。
- Tunnel excavation by blasting can be directly influenced by karst cavities when tunnelling through the karst strata with blasting method,which brings a lot of damages such as landslide and casualties. 在岩溶地区采用钻爆法进行隧道开挖施工;溶洞的存在对隧道爆破开挖安全有直接影响;严重者会造成塌方、伤亡等重大事故.
- Joan of Arc was burnt (alive) at the stake. 圣女贞德在火刑柱上被(活活)烧死。
