Also,the strongly connected components and strong connectedness of product spaces are studied.
在L-fuzzy拓扑空间中引入了强连通的概念,证明了强连通的一些基本性质,并研究了强连通分支和乘积拓扑空间的强连通性,得到了一些好的结果。
The increase in mining height makes the weighting of immediate roof become more violently,which requires that the support strength should increase accordingly.
由于采高加大使基本顶来压更加强烈,支架的支护强度更要加大。
Based on the analysis of the existing support of wangfenggang mine,new support material is adopted in the testing tunnel,strengthening the support strength.
在分析望峰岗矿现有巷道支护的基础上,针对试验巷道采取新的支护材料,加强支护强度,把原来的一次喷浆,改为网内初喷和网外复喷,有效地控制了围岩的松动和变形。
Author illustrates the significance of rational bolt pretension and support strength by studying the factors including the effect of bolt support in roadway and the characteristics of the bolt's material.
从煤巷锚杆支护的效果、锚杆材料的特性等因素来阐述合理的锚杆预紧力和支护强度的意义。
In view of deep and complicated roadways in coal mines,the bolting mechanism was analyzed,the high pretensioned stress and intensive supporting theory was put forward.
针对煤矿深部及复杂困难巷道条件,分析了锚杆支护作用,提出高预应力、强力支护理论,大幅度提高支护系统的初期支护刚度与强度,保持围岩的完整性,减少围岩强度降低;开发出高预应力、强力支护系统,包括强力锚杆、强力钢带及强力锚索系列材料,力学性能得到显著提高;高预应力、强力支护系统成功应用于新汶矿区千米深井巷道,巷道变形降低70%左右,顶板离层仅为原来的5%,巷道支护状况发生了本质改变。
Study on Relative Relationship Between Support Strength of Hydraulic Powered Caving Support and Thickness Mined in Seam
综放支架支护强度与煤层采出厚度关系的研究
Research on Supporting Density of Powered Support for Full-mechanized Caving Ming in Shuiliandong Colliery
水帘洞煤矿综放工作面支架支护强度的确定
Physical modeling experiment of rock stress distribution and timbering strength for shaft
井筒围岩应力分布及支护强度相似模拟
The Research on and Application of the Bolt Supporting Technique with Higher Active Supporting Performance and Higher Utilization Rate of Material Strength
高主动支护性与高材料强度利用率锚杆支护技术的研究与应用
The application of joint support technology of high strength anchor arm and anchor cable
高强度锚杆和锚索联合支护技术的应用
Application of High strength Bolt and Cable Anchor Combined Supporting in Driving Fault Seam
高强度锚杆、锚索联合支护在过断层中的应用
The Accurate Solutions and Use of Calculation Formulas to Ultimate Strength of Supporting Piles with Uniformly Reinforced Circular Section;
均匀配筋支护桩强度的精确解与实用计算公式
The Analysis of Anti-slide Pile Support Slope with Strength Reduction Method
用强度折减法对抗滑桩支护边坡的优化分析
Only coal pillar has enough strength, it can ensure the stabilization of the support.
煤柱具有足够的强度,才能够保证支护空间的稳定。
Water and Earth Pressures Acting on Retaining Structure and How to Choose the Shear Strength Parameters;
基坑支护中水土压力的计算及抗剪强度指标的选取
Stability Analysis of Soil Nailing Slope in Beijing Area Based on Strength Reduction Method
基于强度折减法的北京地区土钉支护边坡稳定性研究
Stability Analysis of Strengthened Jointed Rock Slope Based on Strength Reduction Method
基于强度折减法的节理岩质边坡支护稳定性分析
FEM Analysis on Thermal Stress in Strut of Foundation Pit;
基坑支护支撑温度应力的有限元分析
testing method for bearing strength of carbon fiber reinforced plastics
纤维增强塑料支承强度的测试方法
In this paper, FEM and BEM coupling algorithm was applied in Mu Cheng Jian Coal Mine, under two conditions, namely the work face gateway, open-off cut of540203 and+570 No2.
锚杆支护的作用在于加大巷道围岩的围压,从而提高围岩的强度而保持其稳定性。
Greater efforts should be made to strengthen the status of agriculture as the foundation of the national economy, support and protect agriculture, and increase the income of farmers.
强化农业的基础地位，加大对农业的支持和保护力度，努力增加农民收入。
Numerical Test on Influence of Fault on Underground Tunnel;
断层对地下洞室围岩稳定性及其支护结构强度影响的数值试验研究
Any payment exacted for protection.
勒索的钱财强逼某人支付的保护费
