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- A mechanical model for complex initial geostress field is put forward. 提出了复杂初始地应力场的力学模型。
- An effective approach for formulating the initial geostress field was presented based on the ideas of sub-model method. 基于子模型方法的思想,给出了一种有效推求初始地应力场的方法。
- According to the measured geostress data, there are many methods of calculating initial geostress field with different advantages. 由实测地应力资料反演初始地应力场的力法很多,且各有优势。
- Based on the measured geostress data, there have been many kinds of methods with respective advantages for initial geostress field back-analysis. 目前,由现场实测资料反演初始地应力场的方法很多,且各有优势。
- FENG Ding-xiang,GU Xian-rong,YANG Jia-ling,et al.Supposition of initial geostress field in underground engineering finite element analyses[J].Underground Engineering,1982,(2):20-27. [1]丰定祥;谷先荣;杨家岭;等.;关于地下工程有限元分析中初始地应力场的假定[J]
- Study on Fitting Initial Geostress Field With Displacement Boundary Conditions 采用位移边界条件拟合初始地应力场的研究
- REGRESSION ANALYSIS OF INITIAL GEOSTRESS FIELD FOR LEFT BANK HIGH SLOPE REGION AT LONGTAN HYDROPOWER STATION 龙滩水电站左岸高边坡区初始地应力场反演回归分析
- 3D FEM regression analysis based on the geostress data in situ measurement, one of the numerical analysis methods for initial geostress field, is widely used nowadays. 摘要根据实测地应力资料的三维有限元回归分析法是目前应用较多的初始地应力场数值分析方法之一。
- initial geostress field 初始地应力场
- Initial geostress is one of the most important factors in the design and construction of the geotechnical engineering. 摘要初始地应力是岩土工程设计与施工所要考虑的重要因素之一。
- Initial geostress is very important for the design and the construction of rock engineering. 摘要初始地应力是岩土工程设计与施工所要考虑的重要因素之一。
- The regressive calculations of three dimensional FEM for the initial geostress in engineering area are achieved through ANSYS software. 在ANSYS中实现对工程区初始地应力的三维有限元回归计算;
- Initial geostress is essential for geotechnical engineering numerical simulation, but usually can not be easily determined. 摘要初始应力场对于岩土工程数值计算至关重要,但通常难以准确确定。
- There exists a rock burst zone with a limiting depth dependent upon the ratio of the vertical principl stress to the horizontal one of the geostress field. 围岩内部存在着产生岩爆的极限深度区,极限深度的深浅取决于地应力场中的垂直和水平主应力的比值大小。
- Then the evolution of geostress field accompanying with the down cutting of Yellow River and was simulated with FEM and the spatial distribution features ... 运用有限元法模拟了研究区地应力场的形成过程,并探讨了地应力的空间分布规律。
- It indicated that the results from two schemes are very approximate, and they may simulate the regularities of distribution in the real geostress field. 比较发现两种方案反演计算结果非常接近,且均能模拟实际地应力场的分布规律。
- Based on the measured data of initial geostress and engineering conditions in the region of an underground power plant, the factors affecting the initial geostress are discussed. 摘要结合某抽水蓄能电站地下厂房区工程地质条件以及实测地应力资料,分析影响区域初始地应力的因素;
- Initial geostress is one of the most important factors influencing stability of rock engineering and is basic index necessary for design of geotechnical engineering. 摘要初始地应力场是影响岩体工程稳定性的重要因素之一,是岩土工程设计所需的基本指标。
- The method and process to back analyze the above initial geostress in linear elasticity material with finite element method is discussed,followed by an example. 讨论了在线弹性介质中,通过有限元计算求解这种地应力的方法、过程,并给出算例。
- The groundwater is developed in part of a tunnel under construction,which lies in high initial geostress area,and is easy to suffer soft-rock large deformation. 修建中的某隧道位于高地应力区,局部地段地下水发育,易产生软岩大变形。