| 1. | Calculated method of passive earth pressure in deep pit engineering considering excavation effect
考虑开挖效应的基坑被动土压力计算 |
| 2. | Based on the large finite element software , the excavation effect on rock slope with the representative physical and mechanical characteristic is analyzed in this paper
论文基于大型有限元软件，对具有代表性物理力学特征的岩质边坡进行了开挖效应的有限元仿真。 |
| 3. | Through tracing the change of the stress on the horizontal and slantwise paths , the influence and scopes of the excavation effect on the inside stress field of the slope are put forward
通过对水平和倾斜路径的应力追踪，提出了开挖效应对边坡内部应力场的影响程度和范围。 |
| 4. | The plane fem model analyzes the behaviors of deep excavation , and the step - excavation effect during excavation is studied such as the horizontal displacement of the retaining wall , ground settlement and the forces in struts
利用平面有限元模型对深基坑工程的开挖性状进行了分析，研究了开挖过程中围护结构的水平位移、墙后土体的地表沉降、支撑力等的分步开挖效应。 |
| 5. | ( 4 ) the influences of cavern shape , cavern scale and geostress on excavation effects for single cavern and the influences of distance between different caverns , rock mass quality and construction order etc on the excavation effects of caverns were studied . the features of multi - cavern effect of laxiwa underground project were studied
分析了洞室形状、洞室规模、地应力因素对单个洞室开挖效应的影响：分析了洞室间距、岩体质量、开挖顺序等因素对复式洞室开挖效应的影响；讨论了拉西瓦地下洞室群群洞效应的具体规律。 |
| 6. | ( 5 ) selecting rock mass quality , excavation effect , multi - cavern effect and induced hazard effect as indexes , the stability classification scheme of rock mass surrounding large scale underground caverns was established . at last the stability of the surrounding rock mass of the main chamber of laxiwa project was evaluated with this scheme
选取岩体质量、开挖效应、群洞效应以及次生灾害效应作为指标，建立了“大型地下洞室群围岩稳定性分类”方案；运用该方案对拉西瓦水电站主厂房洞室进行了稳定性评价。 |
| 7. | Under these circumstances , the underground caverns with characteristics of large scale and complex spatial arrangement are located close in finite underground space . thus the excavation effect and the interaction among different caverns during the process of underground projects construction are needed to be studied thoroughly which affect the cost of construction and production of power station
规模庞大、空间组成复杂的洞室群布置在有限的地下空间内，其开挖效应以及不同洞室之间的相互影响，将关系到整个水电站工程的建设成本和运营效益，因此是一个值得深入研究的问题。 |
