| 1. | Application of joint element in the stability analysis of rock mass 节理单元在岩体稳定性分析中的应用 |
| 2. | Evaluating criterion of relative strength - weakness characteristic based on acoustic emission parameters of rockmass stability 评价岩体稳定性的声发射相对强弱指标 |
| 3. | In order to obtain a precise description to the joint persistence ration , the author define two types of persistence ration according to different methods of measuring and statistics 因此,边坡中sn向中缓倾角节理的发育程度及连通状况的确定是正确评价边坡岩体稳定性的前提。 |
| 4. | Information obtained by studying on spot and data collecting indicated that the complicated geological environment would influence on the stability of the rock mass in the dam region 但在现场调研与资料收集的基础上可以看出:研究区复杂的地质环境将对拟建坝址的工程岩体稳定性产生较大的影响。 |
| 5. | Based on study above , the deformation and failure character of rock mass of dam abutment has been analyzed by 2d finite element method . and the distinct recognition on stability of rock mass has been got 在以上研究的基础上,应用二维有限元分析技术,分析了坝肩岩体的变形破坏特征,从而对岩体稳定性状况得出更为明晰的认识。 |
| 6. | Thus , it is very important to research the influence of blast on mountain slope stability , to explore the rule of decreasing blast effect on rock slope stability to keep the environment of transportation safe 因此深入研究爆破震动对山体边坡稳定性的影响,探索减小爆破震动对岩体稳定性的影响规律对确保交通运输环境安全等具有重要的现实意义和应用前景。 |
| 7. | The article , in view of the characteristics of rock foundation pits in karst region , guizhou province , expounds the various failure models of the layered rock foundation pits and the applicable theories for their stability evaluation and their applicable support patterns 针对贵州岩溶地区岩质基坑工程的特定,阐述了层状岩质基坑壁岩体破坏的模式,及适用于此类基坑岩体稳定性评价的理论与支护方法。 |
| 8. | Surrounding rock stability analysis and evaluation are the important problem in rock mass engineering . since the new mathematical tools and computational technique are accessible , the rock mass stability classsification , an old and effective evalution method , has been developed rapidly 围岩稳定性分析和评价问题是岩体工程中的重要问题,岩体稳定性分类方法作为古老而有效的分析评价方法,随着数学手段和计算技术的日新月异也得到了迅速的发展。 |
| 9. | The research progressing as follows : ( l ) basic developmental character and engineering control effect of continuous macrostructure plane ( i and ii level ) of dam abutment has been systemically studied . and this kind of structural plane took important effect to appraise rock mass distortion and failure and stability 论文研究进展主要有以下几方面: ( 1 )系统研究了坝肩宏观贯通性结构面(分类中的及级)发育的基本特征以及它们的工程控制效应,阐明了该类贯通性结构面对坝肩岩体变形破坏及岩体稳定性评价起主导作用。 |
| 10. | ( 5 ) rock mass stability analysis on dam abutment of xia luo - yu damsite as follows : in left dam abutment , sideslip control structure has been relatively integrate , and low dip angle jointing did n ' t develop , so integrate sliding deformation control structure could n ' t been formed in three - dimensional space and rock mass stability could n ' t been influenced badly ; in right dam abutment , indicate rock mass distortion was caused by the rock mass mechanics condition , such as specific rock mass structure , compression stress concentrate with high strength and especial landform and so on ( 5 )对下落鱼坝址坝肩岩体稳定问题的分析得出:左坝肩岩体虽然具有相对较完整的侧滑控制结构,但由于缓倾角节理不发育,故在三维空间上不能形成完整的滑移变形控制结构,亦不会对坝肩岩体稳定性产生严重影响:右坝肩岩体复杂变形,是在特定的岩体结构、高强度的压应力集中及特殊的地形等不可或缺的岩体力学条件下产生的。 |