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- Research to bolt support parameters by use of numerical simulation method 数值模拟确定锚杆支护参数的研究
- Relationship analysis between bolt support resistance, support parameters and support cost 锚杆支护阻力与支护参数及支护成本关系分析
- Selection of Bolt Support Parameters for Mining Gate with Soft Roof, Coal and Floor 三软回采巷道锚杆支护参数的选择
- To revise bolt support parameter using loosing circle theory 应用松动圈理论修正锚杆支护参数
- Study on bolt supporting parameters of gob side stowed roadway 巷旁充填锚杆支护参数研究
- Reseaich and Application of in Bolt Support Parameter Check System 锚杆支护参数校核系统的研究与应用
- bolt support parameters 锚杆支护参数
- Feed-back Design and Optimization of Bolt Supporting Parameters for the Soft Roadways of Liujia Coal Mine 六家煤矿软岩巷道锚杆支护参数的反馈设计及优化
- The Practice and Theory of Application of Surrounding Rock Loosing-Circle Theory to Make Sure Bolt Support Parameter 利用松动圈原理确定锚杆支护参数的方法
- Anchor drilling machine also effects rapidity of anchor bolt support. 锚杆钻机又直接影响到锚杆支护的速度。
- The paper carefully analyzes bolt supporting system, and measures the parameters of coal wall rock in Fuxin diggings. 本文对锚杆支护理论进行了系统分析,并对阜新矿区煤巷围岩的参数进行了实验测定。
- Inclined combined beam model with roof bolted are presented and solved,the expressions of support parameters of bolt are derived. 建立大倾角煤层回采巷道锚杆支护的倾斜组合梁模型,并进行解算,给出锚杆支护参数的表达式。
- Under the explosive load,shotcrete and rock bolt support and integral lining structures are usually used for chambers in rock mass. 在爆炸荷载作用下,岩体洞室通常采用喷锚支护结构和整体被复结构。
- The test of bolt and soft bolt support has achieved success,to extend and application widely in Malan 2 # coal,the effect is better. 马兰矿2%23煤全锚支护试验取得成功,并大面积推广应用,取得较好的经济效益。
- Then this method is used in the calculation of bolt support on coal goaf, and deformation of goaf is compared before and after bolt support. 并将这种方法应用于巷道锚杆支护的计算中,对锚杆支护前后围岩的变形进行了对比。
- Based on the theory of rock mechanics that applied in country rock kerf, and using bolt support can remove the heave of bottom, which gets good effect in practice. 施工中应用巷道围岩切缝法的岩石力学理论分析,采用锚杆支护法解决底板臌起现象,收到良好效果。
- A numerical model for the dynamical analyzes of the pre-stressed bolt support system was founded based on the structure of rockbolt and its mechanical characteristics. 摘要根据煤矿预应力锚杆支护系统的结构和受力特点建立了预应力锚杆支护系统的动力分析模型;
- Based on the multiple problems existing in design of bolting support in Datun Mining Area nowadays, the parameters of bolting (cabling) with wire mesh in actual mining ... 在综合讨论大屯矿区现用锚网支护设计方法尚存问题的基础上,对厚煤层放顶煤沿底回采巷道的锚网(索)支护参数设计方法进行了全面分析。
- On the basis of special seam roof core in Jiulong mine ventilated gateway of No.15207 working face, the parameters of bolting support were determined with testing. 针对九龙矿152下07工作面回风巷顶板岩芯结构特殊性,确定了锚杆支护参数并进行试验研究。
- The paper presents the principl,supporting parameters and constructional technology of bolting stope roof beforehand by long cable anchor. 阐述了采场顶板长锚索预锚固技术的原理、支护参数及施工工艺。