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- shotcrete bolt support 锚喷支护
- 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。
- 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。
- In slicing seams,bolt supporting was utilized under false roof and obtained good result. 介绍在分层开采煤层中,在假顶条件下实现锚杆支护。
- Effects of Time and Space on Lock Bolt Support with Shotcrete 喷锚支护的时间效应与空间效应
- Bolt support gives good expression to top slope pressure roadway, it guarantees stability of supporting and driving speed of coal winning. 尤其是在顶帮压力较大的巷道中,锚杆支护的优越性得到了充分的体现,保证了巷道支护的稳定性和回采的快速推进。
- Bolt supporting is the main means for supporting in exacavating,and it may combined with steel belt,mesh,beam and rope to be use. 锚杆支护是煤矿巷道掘进过程中一种主要支护形式,可以与钢带、金属网、工字钢梁、锚索配合使用。
- With application and dissemination of bolt supporting technique,the importance and necessary of mine pressure monitoring are recognized. 随着锚杆支护技术的不断推广应用,人们已经认识到矿压监测的重要性和必要性。
- The field experiment of rockbolt nondestructive detection was selected in Chacheng Mine, the results perform the dynamical characteristics of prestressed bolt supporting system. 在垞城矿进行了预应力锚杆的现场无损检测试验。试验结果表明:数值模拟结果真实地反映了预应力锚杆支护系统的动力特征。
- Therefore,it is imperative to make more comprehensive and systematic monitoring in the mining areas with the bolt supporting and make the monitoring normalized and ordinary. 因此对锚杆支护的矿区进行比较全面、系统的监测,并使监测工作走向正规化、日常化已势在必行。
- 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;
- Application of Bolting Supports in Datong Coalmines Group Co. 煤巷锚杆支护在大同煤矿集团公司的应用。
- AbstractBolt-tensioning support is one of advanced,notableand better supports in series of bolt supporting,This paperexplains and discusses its development,name andprinciple. 锚拉支架是锚杆支护系列中的一种先进的、值得注意的、具有优良性能的支护型式。
- The influence of anchor bolt supports on seismic responses of strengthening grottoes is studied with the engineering soft ADINA. 摘要利用大型通用ADINA有限元分析软件进行动力分析,研究锚杆加固对石窟地震反应的影响。
- By appling surround rock strength theory,stiffener theory,and observating weighe of 2 # seam bolt support in Ximing Coal mine,determines the rational position of roadway and bolt paramters. 通过运用围岩强度强化理论和“刚性梁”理论,对2%23煤层的锚杆支护进行矿压观测,合理确定出巷道位置和锚杆参数
- He locked the door and pressed the bolt home. 他锁上房门,并插好插销。