您要查找的是不是:
- Stability of underground stope 地下采场稳定性
- During the process of underground mining,the stabilization of stope roof is the basement of normal and productive mining. 金属矿地下开采过程中,采场顶板稳定是矿山正常、高效回采的前提。
- Coupled unsaturated flow in claystone has high effect on strength and stability of underground engineering. 非饱和渗流、应力耦合行为是影响粘土类工程岩体的强度和稳定性的重要因素。
- Shotcrete and rockbolts is an important method to reinforce the underground tunnel surrounding rock and ensure the stability of underground tunnel. 锚喷支护是加固水电工程地下室围岩、保障硐室安全的重要手段。
- A 3D-FEM method for analysis on stability of underground bifurcated pipe, with geometrical imperfection and initial gap between concrete liner, is introduced. 摘要考虑了钢岔管与混凝土垫层的初始缝隙和初始几何缺陷,给出了一套地下埋藏式钢岔管抗外压稳定性的三维有限元分析和求解方法。
- A study is made for the influence of the factors, such as tectonic geostress, excavation sequences, and reinforcement, on stability of underground opening. 研究地应力、洞室开挖和加固等因素对地下洞室围岩稳定的影响,以验证地下洞室长轴选向的正确性。
- They were suspected of underground activities. 他们被怀疑进行地下活动。
- This paper applies analytical and semi-analytica finite element methords separately, and calculates external pressure stability of underground stiffened penstock in Yachi river hydropower station. 摘要采用解析法和半解析有限元法分别对鸭池河水电站埋藏式加劲压力钢管进行外压稳定性计算。
- The plan of abandon of underground stopes is made according to ore reserves and status of ventilation.Feasibility study of optimizing underground ventilation system was conducted. 介绍矿井储量及通风状况,核定采区储量,确定采区报废方案,并对矿井通风系统优化进行可行性论证。
- Numerical test on staged damage evolution of underground stope in construction 地下采场动态施工损伤演化的数值试验
- The government has taken a measure to maintain the stability of prices. 政府已经采取了措施以确保物价稳定。
- The war could threaten the stability of the region. 战争可能会影响到这个地区的稳定。
- In general,the quality of underground water is good. 地下水水质总体良好。
- Special winch can keeps the stability of the rig. 特殊的卷扬机构,有效保持施工的稳定性。
- A summary of underground waterproof materials in U.S. 美国地下防水材料综述。
- Study on the Stability of Lidocaine Cream Co. 复方利多卡因乳膏稳定性研究。
- Linear charge blasting at the net of highway to Zhuhai aerodrome and the hole blasting at underground stope in Gaofen mining company have been design by the expressions. 按推导的计算式设计了珠海西区机场路垭口条形药包爆破和高峰矿业有限责任公司地下采场浅孔爆破。
- Second, stability of the grain market. 第二,粮食市场安定。
- A tired passenger is in one carriage of underground. 上海地铁车厢里里,一个疲惫的乘客。
- The stability of affairs is very serious. 事态非常严重。