| 1. | So , stability of rock mass around underground cavern grows more remarkable 因此,地下洞室的围岩稳定性问题就变得尤为突出。 |
| 2. | Creep characteristic and long - term stability of rock mass in ship lock high slope of the three gorges project 三峡船闸高边坡岩体时效特性及长期稳定性分析 |
| 3. | Influences of axis inclination , length , clamping angle of anchorage , roughness and bonding degree of interface on the displacement of anchorage and repose stability of rock mass were explored 就锚碇体轴线倾角、长度、夹持角、接触界面粗糙度及结合程度对锚碇位移和岩体安息稳定性的影响作了深入探讨。 |
| 4. | 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。 |
| 5. | Numerous examples of rock mass engineering indicate that the deformation and breaking law of rock mass depends on its structural characteristics and the stability of rock mass construction is controlled by the very structure of rock mass 大量的岩体工程实例表明:岩体的变形和破坏规律取决于岩体的结构特性,岩体工程的稳定状态受岩体自身结构控制。 |
| 6. | So taking the underground caverns of laxiwa hydroelectric power station on yellow river as an example , some problems closely related to the stability of rock mass surrounding underground caverns were analyzed in detail from the engineering geologic points of view 基于此,本论文以黄河拉西瓦水电站地下厂房洞室群为例,从工程地质学的角度对与大型地下洞室群围岩稳定性密切相关的问题进行了较为全面的分析与评价。 |
| 7. | Therefore it is insufficient only see rock as research object in study of failure and stability of rock masses . appearance and direction of joint and weak - face , especially their mechanics property in rock masses is decisive in mechanics character of rock masses 因此,在进行岩体破坏和稳定性研究时,仅仅以岩体为研究对象是不够的,岩体内部包含的节理和弱面的状态、方向,特别是其力学特性对岩体的性态起着决定性的影响。 |
| 8. | This paper takes rock mass structural plane that influences the stability of rock mass construction as the main subject of investigation and the underground mining in chengchao iron mine as an illustrating example . for a systematic study of the mechanical features of rock mass structural plane and of measures to control the rock mass structural plane , the methods of theoretical analysis , field survey , computer simulation , numerical calculation and engineering practice are employed jointly , aided by the integration of macro - study with micro - study , qualitative approach with quantitative one and theory with practice . the principle of combining rock mechanical theories with engineering practice is followed from beginning to end , which makes it possible to apply theoretical results to engineering practice , perfect the research method in raising the structural stability of underground construction and solve problems with production in enterprises 本论文以影响岩体工程稳定性的岩体结构面为主要研究对象,以程潮铁矿地下采矿为例,采用理论分析、现场调查、计算机模拟、数值计算和工程实践等多种研究方法,将宏观与微观、定性与定量、理论与实践相结合,系统地研究岩体结构面的力学特征,研究控制岩体结构面的方法、手段和措施,旨在将岩石力学理论与工程紧密结合,使理论成果能够在工程实践中得到应用,不断完善提高地下工程结构稳定性的研究方法,解决企业生产难题。 |
| 9. | It is proved that the stability of rock mass high slope is mostly affected by lots of discontinuous structural faces like joints and faults , etc . it makes the rock mass be different from intact rocks completely in mechanical properties . so it is necessary for us to do some research on the deformation failure mechanism , and accordingly , we should do some research on the evolvement course and evaluation methods of stability about rock mass high slope 工程实践证明,节理岩体高边坡的稳定性取决于边坡中的不连续结构面,如节理、裂隙、软弱面和不同岩层的分界面,这类结构面的存在使岩体变形破坏的特性与完整岩石截然不同,因此,有必要加强对节理岩体高边坡变形破坏机制的研究及相应的节理岩体高边坡稳定性评价方法的研究。 |
| 10. | Abstract : this paper analyzed and probed into the time and space distribution rule and activity mode of the sonic emission activities of rock mass and verified the characteristic of sonic emission of iron ore under the conditions of uniaxial compression in laboratory so as to provide with theoretic basis for correctly predicting the stability of rock mass with measured sonic emission information 文摘:对岩石声发射活动的时空分布规律和活动模式进行了分析和探讨,并通过室内单轴压缩条件下铁矿石的声发射特性进行了验证,为正确利用监测的声发射信息进行岩体稳定性预测提供了理论依据。 |