| 1. | A few balances mounted above the tunnel support the model in an inverted position for "normal" running .
有少数天平安装在风洞上面，把模型支在倒装位置上进行“正常”的试验。 |
| 2. | Roof bolt plates for mining and tunnel support
矿井和遂道支撑用防护锚栓板 |
| 3. | Feasibility research of tunnel supporting in jinchuan harmful rock
金川不良岩体巷道支护技术可行性研究 |
| 4. | Research on stability for surrounding rock of the tunnel supported by bolt - shotcrete
锚喷支护对隧道围岩的稳定性分析 |
| 5. | Steel tunnel support
隧道钢支护 |
| 6. | The optimization of the tunnel support parameter in the special condition and its application
特殊条件下燥巷支护参数的优化及应用 |
| 7. | Rock bolts for mining and tunnel support ; general specifications for steel - bolts ; tests , testing methods
矿井和隧道支护用锚杆.钢制锚杆的通用规范.试验检 |
| 8. | Theoretical basis for semi - analytic method in tunnel support design - tunnel rock - support system is an open complex giant system
支护系统是一种开放的复杂巨系统 |
| 9. | With the actual example of luojiang tunnel ' s crossing - over engineering , this paper probes into the design of smooth blasting in tunnel construction and some concrete methods for the tunnel support construction to provide the reference for the similar construction
通过化州(罗江)隧道穿越工程实例,探讨了隧道施工光面爆破设计和隧道支护施工的具体方法,为类似工程的施工提供参考。 |
| 10. | Associated with a project of the planned xuefengshan tunnel with 7 . 6 km long during the construction of shaoyang to huaihua expressway in hunan province of shanghai to ruili national trunk highway , this paper firstly makes an introduction of the frequently - used analysis & computation methods for tunnel supporting structure . then , based on the analysis of the basic theory about the interaction mechanism of surrounding rock and support structure , a spatial computation model is made , a coupling numerical computation method with 3 - d elastic - plastic finite element and infinite element is proposed , and a comprehensive analysis has been made to the effects of the overall stability and safety of the surrounding rocks of different characteristics , different classes and under different construction methods . and thus the problem of 3 - d infinite region to which applying the general finite ca n ' t do has been resolved
6公里的雪峰山隧道工程，首先介绍了隧道支护结构的常用分析计算方法；然后通过对隧道施工过程中，洞室稳定性与支护结构相互作用机理的深入分析，建立了隧道施工过程的空间计算模型，提出了采用三维弹塑性有限元-无限元耦合的数值计算方法，综合分析了隧道在不同围岩特性和围岩类别条件下，以及不同施工开挖方案等对隧道围岩整体稳定和安全性的影响，从而解决了通用有限元方法难以解决的隧道三维无限域问题；其可充分发挥有限元法在分析非线性方面的有效性和成熟性，以及无限元法在分析处理无限域和半无限域方面的精确性和简便性，为隧道施工过程中围岩的稳定性分析开辟了一条新的途径。 |
