1) optimum of the excavation types
开挖方式优选
2) optimization of development schemes
开发方式优选
1.
Production characteristics and the optimization of development schemes of fractured gas reservoir with edge or bottom water;
裂缝性有水气藏开采特征和开发方式优选
3) excavation method
开挖方式
1.
The relationships among deformation,stress and damaged state of surrounding rock mass of soft rock tunnel,excavation methods and supporting schemes are studied under the conditions of high geostress and low mechanical parameters of rock mass based on small strain-large deformation theory and 3D FEM.
应用弹塑性小应变大变形理论,运用三维有限元方法研究了台湾软岩隧道在高地应力和围岩岩体力学参数较低的情况下,围岩变形、受力及破坏状态与开挖方式和支护方案的关系,得到了一些有益的结论,为该地区隧道合理施工提供了依据。
2.
Mechanical effect of ground and composite lining is taken as study object after the small-distance tunnels located at soft ground achieves stability by different excavation methods,and the analysis is focused on mechanical characteristics of bolt,shotcrete,secondary lining,also the influence of middle rock wall different interval on the plastic zone of middle rock wall.
以软岩小净距隧道在不同开挖方式下达到稳定后围岩和复合衬砌的力学效应为对象,重点分析不同开挖方式下锚杆、喷射混凝土层和二次衬砌的受力特点,考察不同净距对中夹岩柱塑性区的影响。
3.
Mechanics effect of ground and composite lining is taken aa study object after small - distance tunnels which are located at soft ground achieves stability under different excavation methods, and analysis is focused on mechanics characteristics of bolt, shotcrete, secondary lining, also the plastic zone influence of middle rock wall with different interval.
结合某公路隧道出口端隧道间距较小的实际情况,运用数值计算的方法,对软岩条件下小净距隧道在不同开挖方式下达到稳定后围岩和复合衬砌的力学效应进行了分析,同时,考察不同净距对中夹岩墙塑性区的影响。
4) non-excavating method
非开挖方式
补充资料：油气田开发方式(见油气田生产方式)
油气田开发方式(见油气田生产方式)
development pattern of oil and gas field:see recovery pattern of oil and gas field
a垃d gas月e卫d) 、‘。尸卫Jlent见油气田小冰、*pa士teroof ojl
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条