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- Application of kerf and rock bolt in Jinyuan Gold Co., LTD. 切缝加锚杆综合措施在金圆公司的应用。
- At the sa me time,the relation between wave sp eed and basic frequency and bolt length is found out.The response curve of acceleration in different state is tested at la boratory. 同时得出了基频、波速和锚杆长度之间的定量关系;并在实验室对不同约束下锚杆的加速度响应进行了测试.
- See Figure 3 and Bolting Specification table to determine proper bolt length. 请参阅图3和螺栓规格表，确定恰当的螺栓长度。
- The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support. 超快硬夹心水泥卷锚杆是一种简单有效的支护锚杆。
- 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。
- Little tremie grouting,systemic rock bolt and horizontal prestressed rock bolt are the most effective reinforcing techniques which have been validated in practice. 而小导管注浆、系统锚杆及水平贯通预应力锚杆是应用最为广泛的3种中夹岩加固技术,并在实践工程中得到有效验证。
- SUN Xue-yi.Grouted rock bolt used in underground engineering in soft surrounding rock or high stress region[J].Journal of China Coal Society,1984,9(2):61-69. [4]孙学毅.;高应力地区和软弱围岩地下工程砂浆锚杆[J]
- However , ajoint support of alluvial rock bolt with a double-layer of wire mesh can also besatisfactory in the same type of unfavorable ground conditions , with better economicbenefit . 而在某工程的地下洞室不良地质地段的支护中采用了双层钢筋网同管式锚杆联合支护获得成功，产生了与钢支撑同样的支护效果，并带来了良好的经济效益。
- In combination with the radial deformation equation of brittle wall rock in circular tunnel,the computing model for the axial stress of the grouted rock bolt in ideal brittle wall rock and ... 分析了锚杆应力的分布特征以及影响其应力分布趋势和大小的因素,其中重点对围岩体的剪涨角进行了分析。
- The treatment methods such asthe use of rock bolts and shotcrete are summaried. 同时总结了岩爆防治的有关措施。
- The related numerical value simulation test was conducted with five factors of the bolt diameter,bolt length,bolts spacing,bolting length and bolt pretension and four level normal test methods. 选择锚杆直径、锚杆长度、锚杆间排距、锚固长度及锚杆预紧力等5个因素、4个水平的正交试验方法进行了相关的数值模拟试验。
- Rock Bolt Long-Term Load Retention Test 岩石锚栓长期负载保持力试验方法
- It is necessary to test the holding state of rock bolts nondestructively for the project. 近些年来,锚杆的锚固质量检测技术得到了快速发展。
- In this program,the smooth surface blasting and inject method of rock bolting network are applied. 先让后抗,抗让结合"为支护原则,以喷锚网支护为基础的不良岩层中大断面巷道掘进的一些技术问题。
- Tensioned resin grouted rock bolt 树脂张拉锚杆
- arbitrary orientation rock bolt model 任意岩石锚杆
- He locked the door and pressed the bolt home. 他锁上房门，并插好插销。
- Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality. 摘要锚固体内不密实的位置和灌浆饱和度是评价锚杆质量的两个重要参数。
- The result shows that this slope is not stable.It is suggested that the rock bolting and shotcrete should be adopted to prevent the slope. 结果表明，该岩质工程高边坡不稳定，提出了以锚喷支护为主的主动支护方案。
- The bolt slotted smoothly into place. 插销很容易就插上了。
