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水力劈裂
相关语句
  hydraulic fracturing
    Analysis of hydraulic fracturing and calculation of critical internal water pressure of rock fracture
    岩石裂纹水力劈裂分析与临界水压计算
短句来源
    NUMERICAL SIMULATION MODEL OF HYDRAULIC FRACTURING OF ROCK WITH A SINGLE FRACTURE UNDER NATURAL HYDRAULIC POWER
    自然营造力作用下岩石单裂纹水力劈裂数值仿真模型
短句来源
    The Preliminary Study on Elementary Theory and Methods of Rock Hydraulic Fracturing
    岩体水力劈裂基本理论与方法初步研究
短句来源
    There are only elastic deformation and brittle deformation on the process of hydraulic fracturing, and not compaction.
    水力劈裂过程只有弹性变形和脆性破坏,不存在裂隙压裂过程中的第三种变形机理—压缩破坏。
短句来源
    (3) The sensitivity analysis to fracture aperture in hydraulic fracturing showsthat the crack increment △b* has good linear relationship with σ_3 and water pressure P, but with σ_1 crack, basic friction angle φb, β (the angle between long axisdirection of crack and maximum principal stress), the linear relationship is not obvious.
    (3)通过对水力劈裂过程中裂隙开度变化的灵敏度分析得出,裂隙开度的增量△b~*分别与σ_3、水压P呈现很好的线性关系,与σ_1、裂隙基本摩擦角ψ_b、β(裂纹长轴方向与最大主应力的夹角)的线性关系不明显。
短句来源
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  “水力劈裂”译为未确定词的双语例句
    Under compression-shear mixed model, distribution law of critical inner water pressure is same as tension-shear complex model when (λ-tanφ) large than 1.0 .But fracture is most easily fracturing when (λ-tanφ) less than 1.0 and fracture direction are 45° or 135° angle with principle stress.
    在压剪复合断裂模式下,当λ-tanφ>0时,规律性与拉剪复合断裂模式基本一致,但λ-tanφ<0时,裂纹与最大主应力夹角呈45°及135°时最易发生水力劈裂
短句来源
    The study shows that critical inner pressure of two kinds of model is not varied as fracture direction changing when the lateral coefficient equals 1.0. Under tension-shear mixed model, fracture is most easily fracturing when fracture direction is parallel with direction of principle stress.
    分析结果表明,当侧压力系数等于1.0时,临界水压并不随裂纹的方向而变化; 在拉剪复合断裂模式下,裂纹与主应力方向平行时最易发生水力劈裂;
短句来源
    The numerical results indicate that hydraulic failure is a short-term process and it's difficult to be catch by current means.
    通过对开孔试样数值模拟结果和试验值进行的比较说明,基于RFPA的水力劈裂理论作为在水力劈裂破坏过程研究中的初步探索有着较好的可行性。
短句来源
    The boundary condition differences between natural power and artificial driven fracturing in hydraulic and hydroelectric engineering are presented.
    分析了水利水电等工程中的水力劈裂与人工致裂边界条件的不同.
短句来源
    The study shows that critical internal pressure of two kinds of model is not varied as fracture direction changing when the lateral pressure coefficient equals 1.0. Under tension-shear complex model, fracture is most easily fracturing when fracture direction is parallel with direction of principal stress.
    结果表明,当侧压力系数等于1.0时,临界水压并不随裂纹的方向而变化; 在拉剪复合断裂模式下,裂纹与主应力方向平行时最易发生水力劈裂;
短句来源
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  hydraulic fracturing
Hydraulic fracturing in an inhomogeneous reservoir
      
A method of estimating the change in well productivity resulting from the hydraulic fracturing of a finite reservoir, piecewise-homogeneous in the horizontal and vertical directions, with an arbitrary number of cracks is proposed.
      
Fluid pressure and hydraulic fracturing in hydrothermal ore formation at gold deposits
      
Development conditions and possible implications of hydraulic fracturing for ore formation are considered.
      
The problem of hydraulic fracture crack propagation in a porous medium is studied in the approximation of small crack opening and the inertialess flow of an incompressible Newtonian hydraulic fracturing fluid inside the crack.
      
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In this paper,nonlinear stress-strain analysis for a high earth-rockf ill dam and its foundation cutoff is given. According to the calculated results, the problems, such as residual deformations and percentage of strength mobilized in the dam, hydraulic fracturing in the core and the mechanical interaction of cutoff-dam-foundation system, were discussed.

本文对一痤高土石坝与基础防渗墙进行了非线性有限元分析。根据计算结果,对坝体残余变形、剪切比、心墙水力劈裂以及防渗墙和坝体、坝基的联合作用等问题进行了讨论。

A multi-purpose triaxial apparatus, that can strictly control the boundary force and apply the tensile or compressive force along vertical axis to the hollow cylinder specimens, has been used to study the properties of hydraulic fracturing for compacted cohesive soil under seepage force. The experimental results show that the failure of specimens will be either hydraulic fracturing or shearing plastic flow, it depends on the initial principal stress ratio. The experimental results are coincedent with the theorietcal...

A multi-purpose triaxial apparatus, that can strictly control the boundary force and apply the tensile or compressive force along vertical axis to the hollow cylinder specimens, has been used to study the properties of hydraulic fracturing for compacted cohesive soil under seepage force. The experimental results show that the failure of specimens will be either hydraulic fracturing or shearing plastic flow, it depends on the initial principal stress ratio. The experimental results are coincedent with the theorietcal values presented in this paper.

本文试验使用一台多功能液压三轴仪。该仪器可严格控制中空园柱试件的边界受力条件及在垂直方向对试件施加拉力或压力。通过这种仪器进行了在渗水力作用下压实粘性土的水力劈裂性能研究。研究结果表明,在不同起始主应力比条件下,试件可以表现为水力劈裂破坏,也可以为剪切塑流破坏。试验结果与本文提供的理论计算值相符。

The paper studies the effect of seepage force on the stress field of hollow cylinder of compacted cohesive soil revealing for the first time the mechanism of hydraulic fracturing test. The test results coincide with the theoretical analysis. The elastic and plastic stress solutions are also given for the case of the surface force acting on the inner wall of hollow cylinder. The test results obtained by rapidly applying the water pressure in the hole are always smaller than the theoretical elastic and plastic...

The paper studies the effect of seepage force on the stress field of hollow cylinder of compacted cohesive soil revealing for the first time the mechanism of hydraulic fracturing test. The test results coincide with the theoretical analysis. The elastic and plastic stress solutions are also given for the case of the surface force acting on the inner wall of hollow cylinder. The test results obtained by rapidly applying the water pressure in the hole are always smaller than the theoretical elastic and plastic solutions. This fact also shews that the effect of seepage force on hydraulic fracturing test cannot be neglected, hence the writers suggest that the stress changes in the impervious core caused by seepage force should be analysed when the possibility of hydraulic fracturing is estimated for an earth dam.

本文分析了渗水力对中空圆柱试件应力场的影响,首次揭示了中空圆柱试件水力劈裂破坏的力学机理,试验值与理论分析值相互吻合。此外,通过试件在内壁面力作用下,弹性及塑性理论解分析表明,当快速施加内腔水压力时,因不能消除渗水力影响,是试验值低于弹性及塑性理论解的原因.本文建议今后分析土石坝防渗土体水力劈裂问题时,不能忽略渗水力对防渗土体应力场的影响.

 
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