tensile stress

A study of complete stress-strain relation for mesoscopic heterogenous rocks under uniaxial tensile loading

单轴拉伸条件下岩石本构理论研究

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Accordingly, Stress Triaxiality, Strain Energy Density Factor and Maximum Circle Tensile Stress near the crack tip and their variation due to the circle angle variation can be derived.

根据内部裂尖附近的位移分量和应力分量可以得到裂尖的应力三维度，应变能密度因子以及裂尖附近的最大周向拉应力随着圆周角的变化而变化的情况。

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The study result shows that: with the scheme of direct second stage artificial cooling, the temperature gratitude may be so biggish that the tensile stress appears in certain elevation of the dam;

结果显示：直接进行冷却的二冷方案可能会导致坝体出现较大的温降梯度，使得坝体部分高程出现较大的拉应力；

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Stress-strain curves of rock tension and tensile elastic modulus are obtained based on the tests.

为此，该文对32件砂岩、大理岩、花岗岩岩石试件进行了三点弯曲拉伸试验，获取其抗拉强度，绘制了岩石拉伸应力-应变曲线，给出了拉伸弹性模量。

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The measured stress and numerical simulation indicated that the whole tensile crack and the arc tensile crack were correspondent to the distribution of maximum tensile stress, the magnitude of which increased due to transition effect.

应力测试与数值模拟证明弧形拉裂和整体贯穿拉裂同最大拉应力分布相对应，并且受迁移影响边坡坡顶最大拉应力值增大。

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Cracking of a metal resulting from the combination of hydrogen and tensile stress.

在氢和张应力的共同作用下金属发生的断裂.

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These outside conditions include environmental temperature, voltage, tensile stress, and bending load.

这些外部环境因素包括:环境温度, 外加电压, 拉伸应力, 弯曲荷载.

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Tensile strength corresponds to the maximum tensile stress that may be sustained by a specimen.

抗拉强度是指样品可能承受的最大拉伸应力.

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The results indicated that when a straight rube is formed into a spiral tube, its stress distribution becomes complicated, and both tensile stress and pressure stress exist and their directions are not in the same direction though the bursting strength will not decrease.

结果表明：光管成型加工成螺旋管后，虽然爆破强度不会下降，但其应力分布变得复杂，既存在拉应力又存在压应力，且方向也不一致。

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Contact force generated by particles imposing on the surface of material can form contact shear stress and radial tensile stress.

材料表面受到颗粒冲击产生的接触压力形成接触剪应力，以及在接触边界上产生径向拉应力。

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The criterion of the element with the maximum tensile stress will crack is presented, the iteration flow diagram of nonlinear analysis is improved, and then the position, gap and width of crack can be computed based on ′ smeared ′ crack model.

本文采用最大拉应力单元开裂准则，改进了非线性分析的迭代流程，使其最大可能地模拟实际结构的开裂情况，进而可以基于分布裂缝模式计算裂缝发生位置、裂缝间距、裂缝开展深度和宽度。

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After the crack initiating, it propagates along the vertical direction of the tensile stress axial line.

裂纹萌生后主要沿着与拉应力轴垂直的方向扩展.

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It can be concluded that the crack of skin is the macroscopic breakage form of grape and the maximal tensile stress is the main factor causing the mechanical damage of grape through comparing the model calculation with the experimental results.

经模型计算与试验结果相比较，得出表皮破裂是葡萄宏观破坏的主要形式，最大拉应力是造成葡萄机械损伤的主要原因。

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Hence, a new question is raised how to consider the magnitude of tensile stress in the stability analysis of geotextile reinforced bedding course.

这对土工织物加筋垫层稳定分析中如何考虑拉应力大小提出了新的问题。

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We would like to know the tensile stress in the wall.

我们很想知道壁内的拉应力.

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Tensile modulus and yield stress of blends increase with concent ratio n of PMMA.

结果表明，共混物的拉伸模量、屈服应力随PMMA含量增加略有增大。

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The time of minimum temperature occurs in transverse joint grouting is also the time when the tensile stress is maximum, making secondary cooling the critical moment for temperature controlling;

最低温度出现在封拱灌浆水冷终了时，此时也是拉应力最大的时刻，因此二次水冷是温度控制的关键时刻；

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True stress and contraction ratio of the minimum section increases as flow tensile stress decreases.

随着流动拉应力的降低,颈缩区域中部的真应力持续增加.

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The specimen deforms under a tensile stress applied parallel to the fibres.

试样在平行于纤维的张应力作用下发生变形.

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The pipeline steel with strain-based design is usually characterized by high initial work hardening rate, good ductility, and low yield stress to tensile strength ratio.

抗大变形管线钢就是基于应变设计的方法得到的具有连续屈服、较低的屈强比、较高的加工硬化指数以及均匀塑性变形延伸率等特性的管线钢。

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The higher the initial temperature of fresh concrete is, the higher the maximum principal thermal tensile stress and the crack risk at the surface center node are.

表面中心点的最大主拉应力和开裂风险随浇注初温的升高而增大。

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The maximum horizontal tensile stress and the maximum transverse tensile stress both occurred at the repaired joint between the bottom of polyurethane facing concrete and the top of granular groundwork.

最大水平拉应力和最大横向拉应力均出现在修补后的聚氨酯混凝土面层与粒料基层交接面。

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The displacement fields and stress fields of 3-d braided composites are gained at tensile load by using ANSYS which their reinforced mechanics are proved;

应用ANSYS模拟得到了三维编织复合材料在承受拉伸载荷时的位移场和应力场，验证了编织复合材料的增强机理；

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But after dam body opened, weakened the spot structure integrity. The orifice surroundings will produce easily disadvantageous concentrated stress or bigger tensile stress, and crack at corner and edge of orifice.

但坝身开孔后削弱了该部位结构的整体性，孔口周围易产生不利的应力集中或较高的拉应力，在孔口角缘处，易产生裂缝。

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It is concluded that the seismic-tectonic activity of the Huangling anticline area behave as whole and the tectonic process is under way in the depth of 15 ￣ 20 km as well as direction distribution of tensile stress axes appears radioactive from the centre of the anticline.

结果表明，黄陵背斜的地震构造活动具有整体性，构造过程发生在15～20km的深度，张应力轴的方向分布显示以背斜为中心的幅射状态。

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Based on the analysis of simulated results, it revealed that tensile stress at the crack tip is the driving force for the crack propagation, and the heterogeneity of mechanical property of material among concrete influences greatly on the curvilinear of crack propagation path.

通过对数值模拟结果的分析，揭示出混凝土在拉伸条件下裂纹尖端的拉应力集中是裂纹扩展的动力，混凝土组成材料力学性质的非均匀性是造成裂纹扩展路径曲折的重要原因。

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All these demonstrated that a close relationship existed between length of endothelial cell monolayer and protein metabolism of endothelial cells, indicating the existence of cumulative effect of tensile stress in the upper endothelial cell membrane under the shear flow field.

本试验结果表明在相同切应力条件下，单层内皮细胞长度与其蛋白质代谢有密切的相关，进而从一个侧面证明血管内皮细胞膜张应力存在累加效应。

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The results found that: ( 1) the transverse corner field resulting from the uneven geometrical width of YBT model leads to the non-uniform spreads and distributions of the active lengthwise tensile stress, the stretchy strain and the passive transverse pressure stress in the principal axis;

由此得出：①YBT模型几何宽度不均匀所形成的横向角部区域，导致了主动型的纵向主轴拉应力和主轴伸长应变以及被动型的横向主轴压应力的不均匀传播与分布；

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The modified tensile stress crack propagation criterion and influence of cranny hydraulic pressure on crack propagation

修正的拉应力裂纹扩展准则及裂隙水压对裂纹扩展的影响

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The change in length ( lengthening, stretch ) of a material subject to tensile stress.

一种材料可以拉多长取决于它的张应力.

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