减轻套管损坏就是缩小剪切滑移量。
Mitigating casing damage usually means reducing the amount of shear slip.
湘西沃溪断裂为一具走向剪切滑移性质的脆性剪切带。
The Woxl-fault in western Hunan is a brittle shear zone characterized by shearing—sliding along its strike.
证实了剪切滑移区的存在,并按覆岩运动规律与破坏特征对围岩进行了分区。
The existence of a shear slip zone is proved, and the overlying strata are divided into different zones according to the rules of strata movement and characteristics of rock failure.
在节理破碎岩体中,隧道的失稳破坏往往是由于岩块沿节理面的剪切滑移造成的。
In the jointed fractured rock mass, the instability of tunnel is always because the blocks slip along the joint surface.
根据三维弹性平衡方程和层间剪切滑移条件,导出了一个复合材料层板层间剪切滑移模型。
According to the three dimensional elastic equilibrium equations and the conditions of interfacial shear slip, a model of interfacial shear slip of laminated composite plates is developed.
栓钉剪切刚度与滑移呈双曲函数关系,影响其剪切滑移刚度的因素是栓钉直径和混凝土强度。
The diameter of stud and strength of concrete are main factors to affect the shear stiffness.
提出了可以考虑初始缝隙和切向剪切滑动的“剪切滑移模型”,可以用于模拟结构与相邻物体之间接触面的力学特性。
A model named shear slide model is presented, which can be used to simulate the mechanical property of the contact surface between the structure and its adjacent object.
采用迭代方法和编制的VB - 5计算机程序进行了计算,并绘制了倾斜地层中井眼围岩发生剪切滑移破坏典型的关系曲线。
The iterative method and VB-5 computer program are applied to solve the equations, and the typical relationship curves about shear slip failure of the rock around borehole are drawn out.
钛合金的切屑变形从低速起就是一种典型的集中剪切滑移,这种集中剪切滑移在高速切削大部分难加工材料时是一种普遍现象。
The chip deformation of titanium alloys is typical shear localization from low cutting speed, which is general phenomenon in machining of difficult to cut material at high cutting speed.
本文基于岩体节理断裂扩展和剪切滑移两种失稳破坏机制,运用统计断裂力学方法建立了两种破坏方式下节理岩体强度的理论表达式。
In the paper, on the basis of two rupture modes-fracture propagation and shearing slide, the strength of jointed rock is derived by use of statistical fracture mechanics.
弹孔周围的绝热剪切带沿主剪应力方向形成,与静态塑性变形滑移线方向接近,绝热剪切带上不均匀的变形将产生微裂纹和微孔洞。
An adiabatic shear band formed along the main shear stress around the penetrated hole is approximately consistent with the direction of plastic deformation slip lines in static state.
这可能是由于在不同状态时产生剪切形变局部化的滑移面硬化率对瞬时拉应力的临界比值不同之故。
Presumably it is due to their different critical values of the ratio of slip plane hardening rate to current tensile stress for shear localization.
穿晶裂纹源于晶内形变损伤区,其扩展机制为沿滑移面的剪切断裂。
Tranagranular cracks result from deformation damage of grain, and its propagation mechanism is shear rupture along slip plane.
如果压缩力和拉伸力足够大,使得材料的各层次间相互滑移,那么就产生了剪切力。
If the compressive and tensile forces are greater enough to make the layers of the material slide upon each other, a shearing force results.
随剪切速率的增加,压力振荡的振幅减小,而滑移速率、临界外推滑移长度及振荡频率均有提高。
As the shear rate rises, the amplitude of pressure oscillation reduces, whereas the slide velocity, critical slide length and the frequency increase.
研究发现初始滑移长度对低剪切率下的滑移行为起主要作用,而临界剪切率决定了高剪切率下的边界滑移程度。
It is found that the initial slip length controls the slip behavior at small shear rate, but the critical shear rate controls the boundary slip at high shear rate.
总结了聚合物熔体在剪切流场壁面滑移研究的成果,提出了Z W模型的物理概念。
This paper sums the study results on wall slip of polymer melt in shear flow, which leads to the physical meaning of the developed Z-W model.
这可能是由于它们产生剪切形变局部化的滑移面硬化率对瞬时拉伸应力的临界比值不同之故。
Presumably, it is due to their different critical values of the ratio of slip plane hardening rate to current tensile stress for shear localization.
从流体力学的角度来看,这个无剪切界面对应着流体中的滑移边界条件,而与此相关的概念是有效滑移长度。
From the view of fluid mechanics, the shear-free air water interface corresponds to a slip boundary condition in fluid and relatives to the concept of effective slip length.
进一步分析表明,对于平面应变情形,剪切带同滑移线本质上是一致的。
Furthermore, from the analytical results indicate that the shear band mode of discontinuous bifurcation is essentially identical with slip line in the plane strain condition.
研究较全面分析了气体压缩性、液体粘性、表面张力效应、液气密度比以及滑移速度等重要因素对气体剪切流稳定性的影响。
The effects of parameters such as the gas compressibility, the liquid viscosity, surface tension, density ratio , and velocity ratio, have been considered.
通过123个混凝土试件与CFRP、GF R P片材的抗剪粘结强度试验结果,分析FRP片材与混凝土发生剪切粘结破坏的全过程以及破坏特征,讨论了粘结力与粘结滑移的关系。
Based on 123 specimens results of the shear bond test of FRP and concrete, the failure characteristics of bond test are described, and the relationship of bond strength and bond slip is discussed.
通过123个混凝土试件与CFRP、GF R P片材的抗剪粘结强度试验结果,分析FRP片材与混凝土发生剪切粘结破坏的全过程以及破坏特征,讨论了粘结力与粘结滑移的关系。
Based on 123 specimens results of the shear bond test of FRP and concrete, the failure characteristics of bond test are described, and the relationship of bond strength and bond slip is discussed.
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