因此，我们认为在各项岩石强度试验中都必须将层状岩石的各向异性特征作为重要条件加以考虑。
Accordingly, we think it necessary to consider anisotropic properties of foliated rocks as one of the important factors in each test of rock ultimate strength.
岩石的结构是极其复杂的非连续和非均质体，其力学属性具有非线性、各向异性及随时间变化的流变特性。
The structure of rock is extremely complicated discontinuous and heterogeneous body, its mechanics property has non-linear, anisotropism and rheology characteristic, which changed over time.
岩石力学性质各向异性研究是岩石力学领域的一个经典问题。
The research on the anisotropy for rock mechanics properties is a classic problem in the realm of rock mechanics.
准确计算各向异性地层中岩石破裂压力在石油勘探开发中有着十分重要的作用。
Determining breakdown pressure in an anisotropic formation is important in oil and gas exploration and production.
岩体各向异性是岩石工程所面临的重要问题，是一切岩体力学及岩体水力学行为特性的主要控制因子。
Anisotropy is one of the important problems in rock project, which controls generally all mechanical and hydraulic behaviors in rock mass.
在严重的各向异性岩石中，准剪切波有复杂的方向特性，并有歧点。
For severely anisotropic rocks, the quasi-shear waves exhibit complex directionality, with cusps.
岩石磁化组构(即磁化率各向异性)的研究，可能成功地用于地质结构分析。
The studies of magnetic fabric of rocks (and susceptibility anisotropy) may be successfully applied to the analysis of geologic structures.
由于磁性矿物受当时磁场作用往往呈定向排列，导致岩石磁化率各向异性，反映了岩石的磁组构特征。
The anisotropy of rock magnetic susceptibility, caused by the oriented arrangement of magnetic minerals effected by then magnetic field, reflects the feature of the rock magnetic fabric.
深部井眼岩石力学的研究，特别是深部井眼岩石可钻性和岩石各向异性的研究，是解决深井、超深井钻井关键技术的重要课题。
Study on rock mechanics of deep wellbore, especially on rock drillability and rock anisotropy is a key project to resolve the problems of deep or ultra-deep well drilling.
其次，叙述了各向异性的岩石基础对扬压力的影响。
Then the influence of anisotropic rock foundation on the uplift pressure is described.
干燥岩石各向异性很弱，液体促进了饱和岩石各向异性的增强。
The anisotropy of dry rocks is very small, while it is enhanced by the fluids.
双向水平应力不同时，随着差异的增大，井底岩石各向异性程度增大，钻头向最大水平主应力方向的漂移趋势增强。
If the two horizontal stresses are different, the degrees of rock anisotropism under bottom is increased as long as...
本文提出新的测定岩石各向异性弹性参数的方法——纯弯梁法。
A new measuring method of elastic constants of anisotropic rocks based on the concept of purely bended beam has been developed by the authors.
各向异性脆性岩石断裂力学数值模拟结果的基础上进行了讨论。
The fracture mechanics of anisotropic brittle rock was discussed based on the numerical simulation results.
基于均匀化方法给出低孔隙率脆性岩石在热—力耦合荷载作用条件下的各向异性损伤模型和有效热传导特性模型。
An anisotropic damage model and an effective thermal conductivity model were presented based on homogenization techniques for low-porosity brittle rocks subjected to mechanical and thermal loadings.
影响各向异性的主要因素有岩石的结构构造、矿物的晶格优选方位（LPO）、形态优选方位（SPO）和定向微裂隙。
Seismic velocity anisotropies are mainly caused by lattice preferred orientation( LPO) , shape preferred orientation( SPO) of the major minerals, and oriented microcracks.
推导出各向异性岩石弹性变形参数是塑性应变和加载角度的函数。
The elastic parameters of anisotropic rocks are the functions of plastic strain and loading Angle.
岩石作为一种非均质的复杂地质材料，其力学响应表现出明显的非线性和各向异性特点。
As a kind of complex inhomogeneous geological material, the mechanical response of rock behaviors distinct nonlinear and anisotropical characteristics.
节理的存在是岩体明显区别于岩石的一个重要特征，也是导致岩体具有非均质性及各向异性的一个重要因素。
The existence of the joints is an important characteristic of rock mass distinctly different from rock, and also an important factor leading to the heterogeneousness and anisotropy of rock mass.
岩石作为一种复杂的非均质地质材料，其力学响应表现出明显的非线性和各向异性特点。
As a kind of inhomogeneous and complex geological material, rocks are of distinctly nonlinear and anisotropic mechanical behavior.
结果表明，沿垂直于井眼轴线平面上，岩石力学性质的各向异性是客观存在的。
The experimental results show that the anisotropy of the mechanical property in the plane perpendicular to the wellbore axis is existing.
横波对随机孔隙岩石的分辨率比纵波高，横波对随机介质各向异性，特别是对微裂隙相当敏感。
The resolving power of S-wave on random porous rock is stronger than that of P-wave, and S-wave is more sensitive to anisotropy caused by micro-cracks.
采用细观力学方法提出一个岩石各向异性损伤和渗流耦合的细观模型。
A coupled model for anisotropic damage and permeability variation by using a micromechanical approach is presented.
采用细观力学方法提出一个岩石各向异性损伤和渗流耦合的细观模型。
A coupled model for anisotropic damage and permeability variation by using a micromechanical approach is presented.
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