地下隧洞 meaning in English
subterranean tunnel
Examples
- For some tunnel ' s construction , the stability of surrounding rock shoring mode , shoring time and so on have been studied
对地下隧洞施工过程中围岩的稳定性以及支护方式和支护时机等问题进行了研究。 - It has been proved rationale and feasible to use different shoring project and shoring time for different surrounding rock type
研究结果表明，该地下隧洞针对不同围岩类别设计不同的支护方案和支护时机是合理可行的。 - To maintenance the stability of underground tunnel , the problems have always been discussed about how to take reasonable and timely shoring
为了维护地下隧洞的稳定，如何采取合理、适时的支护一直是工程界所关心的问题。 - Based on analytical method of construction mechanics , the simulative computational fem formulations about multi - stage excavation of underground tunnel and timely shoring are prescribed
基于施工力学的分析方法，建立了地下隧洞分期开挖、适时支护仿真计算的有限元列式。 - In this paper , based on simulation modeling laws of geometry , constitutive relations , stress conditions and construction , a simulative calculation model has been proposed by considering the mechanical problems during the underground tunnel ' s construction and adopting constitutive models of enveloping type which can consider elasto - plastic materials and their cracking . the model can describe rock multi - media characteristic consider the interrelation of shoring structure and stratum reflect some influencing factors , for example : faultage interlayer joints , construction process and so on
本文结合地下隧洞工程施工过程中的力学问题，基于几何、本构、应力状态和施工过程等四方面仿真建模的原则，采用可以考虑材料弹塑性和开裂的包络型本构模型，建立能描述岩体多介质的特点和能考虑隧洞支护结构与地层的相互作用，同时能反映断层、夹层、节理裂隙以及施工全过程等影响的岩体结构仿真计算模型。