This paper mainly studies the strength softening characteristic of loess-like soil by triaxial shear test on the basis of primary research productions of loess.
本文在黄土已有研究成果的基础上，通过三轴剪切试验对类黄土(黄土状土)的强度软化特性进行了重点研究。
The triaxial compressive strength of rock is one of the most important formation parameters of drillability, and is the principal basis of polycrystalline diamond compact(PDC) bits selection.
岩石三轴抗压强度是表征地层抗钻性质的重要参数之一，是PDC钻头优选的基础和主要依据。
The triaxial tests of sand and mucky soil have been done.
本文对砂土和淤泥质粘土做了室内三轴试验。
These instruments generally use either coaxial or triaxial cables.
这些仪器通常使用同轴电缆或三同轴电缆。
The triaxial test has been adopted to determine the nonlinear parameters.
材料的非线性参数采用三轴试验确定。
The tool orientation is made by a triaxial accelerometer and three magnetometers.
下井仪器的方位由一个三轴加速度计和三个磁力计测量。
Large scale triaxial shear test on spherical particle coarse aggregate is carried out.
采用大型三轴仪对球形颗粒散粒体进行了应变式三轴试验。
Dynamic triaxial test system is a basic equipment for researching soil dynamic properties.
动三轴试验机是研究土的动力性质的最基本试验设备。
An example of large scale triaxial test was taken to prove the rationality of the present model.
并通过一个大型三轴剪切试验的算例，说明了该模型的合理性。
Study Design. Dynamic triaxial biomechanical testing of immature and mature ovine spine motion segments.
研究设计：动态三维生物力学方法测试幼年和成年羊的脊柱运动节段。
The static triaxial apparatus on the market, whether homemade or imported has the defect of low accuracy.
目前国产及一些进口三轴仪都存在着体变量测精度不高的问题。
The rock deformation and failure tests are performed along various stress paths under true triaxial stress state.
在真三轴应力状态下进行了各种应力途径的岩石变形和破坏实验。
Secondly, triaxial tests of saturated sands are made using GDS stress path triaxial testing system in this paper.
运用GDS应力路径三轴测试系统进行了饱和砂土的三轴试验。
This paper describes the triaxial test system which was designed for determining dynamic modulus and poisson's ratio.
本文叙述了用于测定动变形模量和动泊松比的三轴试验设备。
Through study on triaxial tensile test of soil from the dike of Yellow River, a lot of beneficial results are achieved.
针对黄河大堤典型土质开展了三轴抗拉试验研究，得出了许多有益成果，并就具体应用方法进行了探讨。
The penetration process is similar to Vickers hardness test, it is triaxial compressive stress condition in the target.
侵彻时的应力状态与压入法测硬度相似，靶内应力状态为三向压应力。
There are occasions where the phase separator utilizes triaxial piping to deliver the liquid nitrogen to the user device.
有些时候，分相器采用三轴管道来提供液氮给用户设备。
The different influences on tangent bulk modulus of conventional triaxial test and isotropic compression test were considered.
考虑了常规三轴试验和各向同性压缩试验对切线体积模量的影响。
The uniaxial and triaxial creep tests of gypsum breccias are made and creep curves under different confining pressure are got.
对石膏角砾岩进行了单轴、三轴蠕变试验，获得了不同围压下的蠕变曲线。
The steady state strength concepts, the consolidated-undrained triaxial shear test method and the test results are introduced.
介绍了稳态强度理论的基本概念、稳态强度的固结不排水剪切试验方法及试验结果；
Besides, the effects of other factors on the consolidation test are analyzed by automatic stress-path controlled triaxial tests.
又通过全自动应力路径三轴试验，分析了其他因素对固结试验的影响。
In this thesis, the medium scale dynamic triaxial apparatus, with micro strain measure technique, is developed to realize the aim.
因此，本文从研制高精度中型动三轴仪入手，采用微小应变测试技术，以实现这一目标。
The test results show that the shear strength of soils after lateral unloading are different from that of conventional triaxial test.
试验结果表明，经过侧向卸荷过程土样的抗剪强度指标与常规三轴试验明显不同。
Approximate quantitative relations between mechanical index and age and confining pressure are obtained by triaxial compression test.
并由三轴试验得出各力学性质指标与龄期和围压的近似定量关系。
If a triaxial vacuum feedthrough is unavailable, a metal safety shield should be built around the isolated BNC connection (Figure 4-18).
如果无法找到三同轴的真空接头，那么可以在绝缘的BNC连接处构建金属安全屏蔽(图4 - 18)。
This paper describes a rock triaxial creep testing system and presents some results of creep tests on shale samples from Daqing Oilfield.
本文介绍了所建立的岩石三轴蠕变试验装置以及部分大庆油田泥岩的蠕变试验结果。
The automatic initial calibration of triaxial accelerometers and triaxial magnetic sensor, based on least squares method, is implemented.
并运用基于最小二乘的方法实现了一种自动初始校准算法。
The automatic initial calibration of triaxial accelerometers and triaxial magnetic sensor, based on least squares method, is implemented.
并运用基于最小二乘的方法实现了一种自动初始校准算法。
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