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- 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。
- 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。
- 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。
- 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。
- The Distinct Element Method(DEM)is a discontinuum-based numerical method especially applicable to solve the discontinuity problems in jointed rock mass. 离散元法是基于不连续性假设的数值方法,它特别适合于求解节理岩体中的非连续性问题。
- Based on the theory of linear-elastic fracture mechanics, the influence of vertical seismic action on seismic dynamic failure of jointed rock mass is discussed. 摘要基于线弹性断裂力学理论分析了垂直向地震作用对节理岩体地震动力破坏的影响。
- JIANG Jue-guang.The method of stereo graphic projectin for analyzing the jointed rock mass stability[J].Journal of Southwest Jiaotong University,1985,2(5):54-61. [6]蒋爵光.;用赤平投影进行节理岩体稳定性分析的方法[J]
- Abstrct: How to simulate jointed rock mass effectively under the condition of lab is analyzed through thd super dynamic strain simulated test of practical jointed rock mass. 通过实际的节理岩体爆破超动态应变模拟试验,分析了如何在实验室条件下有效地模拟节理岩体并对节理岩体的超动态应变测试方法进行了初步探索。
- 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。
- Within a certain domain of rock mass, identification of all blocks cut by three-dimensional finite random or fixed discontinuities is a critical basic problem in jointed rock mass researches. 摘要在一定空间区域内,由三维有限长的随机结构面及确定性结构面切割形成的所有块体的搜索问题,即全空间块体搜索问题,是裂隙岩体研究中十分重要的基础性课题。
- 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;
- 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。
- A new model determining the permeability tensor for jointed rock masses is proposed in this paper based on the superposition principle of liquid dissipation energy. 根据渗流能量迭加原理提出了确定裂隙岩体渗透张量的新模型。
- During the course of numerical computation and stability evaluation on the jointed rock masses engineering, the determination of strength parameters is very important. 摘要在节理岩体工程的数值计算及稳定性评价中,强度参数的确定至关重要。
- Complexity of fatigue damage process of intermittence jointed rock masses subjected to dynamic loading was analyzed, and an approximate evaluation method was set forth. 分析了断续节理岩体动态疲劳损伤的复杂性,阐明了疲劳损伤研究的近似处理方法。
- A set of united coupled elasto-plastic stress and fluid flow control equations are established with generalization of jointed rock masses as equivalent continuum media. 把裂隙岩体概化为等效连续介质,基于表征单元体的概念建立了统一的渗流-弹塑性应力全耦合控制方程。
- Studies show that the new model can reveal the complicated permeability of jointed rock masses more comprehensively than the others, and can be applied to the... 研究表明,新模型与其它模型相比更能全面地揭示裂隙岩体复杂的渗透特性,并适用于渗流场与应力场的耦合分析。
- 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 .
- The Anisotropy of Intermittently Jointed Rock Mass 含断续节理岩体强度的各向异性