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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。
- The pre stressed anchoring piles aere used to controll large-scale landslides and creat flats to build. 本文论述了预应力锚拉桩在库区大型滑坡防治中的应用成果 ,这种方法不仅能有效地控制滑坡体的稳定性 ,同时 ,也能根据移民工程要求提供适宜的建设用地 ;
- 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]
- The acceptance test results showed that the construction of pre stressed anchorage cable of permanent ship lock meets the requirements of design. 验收试验成果表明,永久船闸预应力锚索的施工符合设计要求。
- The concrete spiral case of the GHS is reinforced with the pre stressed anchorage cable, which is the first case in China. 高坝洲水电站混凝土蜗壳采用预应力锚索加固,这在国内尚属首例,其预应力锚索包括水平环向锚索和垂直竖向锚索。
- Due to the high water head of the GHS, the design unit put forward a suggestion of using the pre stressed reinforced concrete spiral case. 高坝洲水电站由于设计水头较高,设计单位建议采用预应力钢筋混凝土蜗壳。
- In three desilting tunnels of Xiaolangdi Multipurpose Project, over 70% tunnel wall were lined with non cohesive pre stressed concrete by the post tensioning method. 小浪底水利枢纽工程的3条排沙洞，洞身70%25以上采用后张法无粘结预应力混凝土衬砌。
- 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 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。
- Abstract： In order to satisfy the requirements of both ultimate limit state and servicing limit state unbonded partially pre stressed concrete flexural members must be reasonably designed. 摘 要： 为满足承载能力极限状态及正常使用极限状态的要求，必须对无粘结部分预应力混凝土受弯构件进行合理设计。
- 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。
- continuous pre stressed reinforced concrete beam 预应力混凝土连续梁
- 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。
- pre stressed lauice shell structure 预应力网壳结构
- GDA software, in this paper, is employed to model the stress distribution at arched drift. The results from computer modeling is the important basis for the analysis of stress rock burst relationships. 借用GDA软件来模拟开挖周边的应力重分布 ,在此基础上 ,重点分析了拱形洞室的拱顶、拱肩、两侧及底角的应力分布与岩爆的关系。
- 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。
- drilling with compressive pre stress 预压应力钻削
- Rock Bolt Long-Term Load Retention Test 岩石锚栓长期负载保持力试验方法
- Tensioned resin grouted rock bolt 树脂张拉锚杆
