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- For moderate JI, lower strength and the behavior of jointed rock specimen are mainly governed by joint. 当节理倾角适中时,节理岩样的峰值强度较低,岩样的行为受控于节理。
- This paper presents an efficient method of modelling jointed rock by using the boundary ele-ment method via the concept of multiregion and non-linear model of joint and fault. 边界元法广泛应用于岩石力学问题的最大障碍是岩体的非均质及其包含的大量节理断层,本文采用多子域思想结合节理断层的非线性模型较好地解决了这一难题。
- In this paper,the instability condition of the gallery in the jointed rock mass,which is caused by the joint stucture damage,is analysed by method of hemispherical projection . 利用赤平极射投影法,分析节理岩体中巷道受节理构造破坏而失稳的条件。
- This article emphasizes a prediction of overbreak,the unstable wedge, for openings in jointed rock mass. 本文着重于岩体中洞室超挖-不稳定楔形体的预测。
- Because of this belt of the Mesozoic granites of the groundwater of the jointed rock cracks, water-spring. 因这一带系中生代花岗岩,地下水附存于岩体的节理裂缝之中,积水成泉。
- An example of fragmentation prediction of jointed rock in Jinchuan Corp. was given. 作为实例,计算了金川橄榄岩体块度分布。
- The aseismatic stability of abutment jointed rock mass is the key problem of high arch dam. 高拱坝体型设计是关系到大坝安全和经济的关键技术问题。
- Hydromechanical coupling of jointed rock mass was the key point for problems of hydraulics of rock mass. 摘要裂隙岩体的渗流应力耦合机理是岩体水力学的研究重点。
- Peak strength, mechanical behavior, and pattern of shear band (SB) of anisotropic jointed rock specimen were modeled by FLAC. 摘要采用FLAC模拟了节理倾角对各向异性岩样峰值强度、力学行为及剪切带图案的影响。
- Deformation module for jointed rock masses estimated empirical equations presented by Bieniawski, Serafim, Pereira and Barton et al are introduced. 介绍了布艾希凯(Bieniawski)、希拉菲门(Serafim)和皮内纳(Pereira)、巴尔通(Barton)等人的经验方程估算节理岩体的变形模量;
- For lower or higher JI, the peak strength of jointed rock specimen is higher and the strain-softening behavior is apparent. 当节理倾角较高或较低时,可观测到应变软化行为。
- The delays put the whole schedule out of joint. 一再的拖延打乱了全部安排。
- For lower JI, slip along SB has a greater contribution to the axial strain of jointed rock, leading to steeper post-peak stress-strain curve. 若节理倾角较低,新剪切带的长度随节理倾角的降低而增加,这导致了陡峭的峰后应力-应变曲线。
- The results shows that the fractal damage tensor computing method is better than the traditional damage tensor of jointed rock masses. 和传统的计算方法比较,本文的分形损伤张量计算方法具有明显的优越性。
- Block Theory,which is developed in recent ten years and more,is an effective and reliable method for jointed rock mass stability analysis. 块体理论是近十几年来发展和完善起来的一种适合于裂隙岩体稳定性分析的行之有效的工程方法。
- She fell and put her knee out of joint. 她摔得膝关节脱臼了。
- The doctor put his bone into the joint again. 医生使他的骨头复位。
- The coupled method of UDEC and AUTOYN 2D was used to simulate the propagation of blast waves in a jointed rock mass and the influence of joints on the propagation. 离散元程序 UDEC与有限差分程序 AUTODYN- 2 D相结合 ;用于模拟节理岩体中爆炸波的传播和节理对波传播的影响 .
- Take a seat, have a cigarette or a joint and I will be back in three minutes. 请坐,抽根香烟或大麻烟,我三分钟内就回来。
- Discontinuous deformation analysis (DDA) method is a newly developed numerical method that can be used to perform deformation analysis of jointed rock mass. 非连续变形分析方法(DDA)是近年来发展起来用于分析裂隙岩体的一种较好的数值计算,其以新颖的思想、先进的数值技术,得到了学术界的认可和广泛关注。