tension crack

A tension crack running parallel to the crest of the slope can also be included in the calculation.

平行于边坡眉线延伸的张裂隙也可以包含在计算之中。

Based on the nucleation criterion of wing tension crack of quasi-brittle material, the decrease of elastic moduli of material resulted from the crack damage are derived utilizing micro-mechanics theory.

基于准脆性材料中翼型拉伸裂纹的成核准则，运用细观损伤理论推导了翼型裂纹损伤对材料弹性模量的弱化作用。

Simulating tension crack of rock masses by block element method

岩体结构拉裂的块体单元法模拟

The floodgate may be regarded as a series system with four main failures modes including slip along the foundation, compression failure of the floodgate toe in the downstream line, tension crack of the floodgate heel in the upper stream and non-uniform stress distributions.

软基上的水闸可看成由4种主要失效模式（沿闸基面的滑动、下游闸趾压坏、上游闸踵拉裂和上下游应力不均匀）所组成的串联体系。

The Elastic-plastic Finite Element Analysis for Stiffened Tension Plate with Eccentric Crack

加筋偏心裂纹板的弹塑性有限元分析

The crack of concrete structure was commonly aroused by tension stress.

混凝土结构的开裂,一般的情况是由于拉应力引起的.

The information gained indicates that the spreading of the interface crack in tension field is intimately connected with failure in shear.

所得结果表明，拉伸场中界面裂纹的扩展和剪切失效有密切关系。

It was found that tension residual stress is key factor for crack growth under cyclic compression.

结果表明,裂尖区域在循环压缩载荷作用下的残余拉伸应力是导致裂纹扩展的重要因素.

Its deformation and failure concentrate on the tension and pull crack damage caused by tensile stress and compressive stress and unloading rebound.

碎裂围岩的变形破坏方式主要为坍塌、掉块以及剥落，其变形破坏机制为以拉、压应力造成的张裂、拉裂破坏及卸荷回弹。

The axial-symmetric ring-shaped interface crack problems are discussed under tension loading.

摘要讨论受拉伸载荷作用的轴对称环形片状界面裂纹问题.

Concrete and masonry is weak in tension and crack when the tensile strain is of the order of 0.000 2~ 0.000 5, the dangerous section of split is very dangerous.

砼及砌体抗压强度高，抗拉强度很低，极限拉应变约为0.0002～0.0005，危险截面是脆性破坏，因此裂缝的出现和开展是危险的。

Based on the hierarchical block element method presented earlier, a new concept of subordinate cover and a method to simulate the tension crack in rocky block are proposed.

基于阶谱块体单元法，提出了二次覆盖的概念和一种分析岩石块体受拉开裂破坏的方法。

The results of numerical calculation show, that the formation of bank slope tension crack is the result of long-term unloading of bank slope under special geological condition.

数值模拟计算结果表明：岸坡拉裂缝的产生，是特殊地质条件下岸坡长期卸荷的结果；

In addition, when there are tension crack and water in the slope, the critical inclination has relations with the position of crack and the level of water.

此外，当边坡中有张裂缝和水时，滑面的临界倾角还与张裂缝的深度和水位高度有关。

Based on the principle of soil-structure interaction, the FE-IE-INE model is adopted to simulate the layer structure, nonlinearity, and status of slipping, tension crack between soil and reinforced concrete wall.

在考虑了土与结构的相互作用的基础上，采用FE-IE-INE模型来模拟土体的分层性、非线性以及土体和钢筋混凝土之间的滑移、拉裂、嵌入及土体的半无限边界。

Wrinkle and tension crack may occur in the stamping process of bucket, a curved surface part.

在板材成形中，起皱和拉裂是主要缺陷，而压边力是控制板材成形的重要工艺参数。

It is easily to form crack initiation in the interface between substrate and cladding layer, for the amplitude of tension stress is larger in Z direction.

Z方向的拉应力幅值较大，易在熔覆层与基体的界面处形成裂纹源；X方向的拉应力远大于Y方向的拉应力，使裂纹大多垂直于扫描方向。

But wrinkling, distortion, tension crack etc are easily produced during the rotary draw bending process, especially the wrinkling seriously influence the quality of rectangular waveguide.

但在薄壁矩形管绕弯成形过程中极易产生失稳起皱、截面畸变、拉裂等缺陷；特别是失稳起皱，严重地影响着矩形波导管的弯曲成形质量。

After normalized water storage of the reservoir, the bank slope's stress field changed farther and impelled the tension crack expanding further up and down, but the outward development trend was weakened.

库区正常蓄水后，岸坡应力场进一步发生变化，促使拉裂缝进一步向下、向上发展，但向外发展的趋势减小。

In the method, control equations for the crack resistance capacity of the normal section are established, thus the area of prestressed steel tension member may be calculated.

该方法首先建立了构件在正常使用极限状态下的抗裂性能控制方程，并以此求解预应力筋的面积；

Based on the Biot concretion theory of soft soil, considered the calculated result influence affected by the tension crack and yield failure of the soil body. In FEM use the iterative computing method to make the calculated result more practical.

应用Biot软土固结理论，在有限元中考虑土体的拉裂和屈服破坏对计算结果的影响，采用迭代算法，使计算结果更接近实际。

And by comparison of uniaxial tension model and crack extension model, the relationship between the increase of inelastic strain and crack extension was discussed.

通过对拉应力作用下岩石本构模型与裂缝扩展模型的比较，讨论了岩石在受拉过程中非弹性应变增加与裂缝扩展之间的关联，发现了两者时间效应特征的相似规律性。

The stress field and the ground surface deformation associated with a vertical tension crack in a semi-infinite ground medium

半无限地下介质中与垂直张性裂缝相关联的应力场和地面形变

Numerical Simulation of Tension Fracture in Concrete with Central Crack

混凝土中心裂缝单轴拉伸损伤断裂数值模拟研究

The results indicate that the failure mechanisms of U_3Si_2-Al fuel plates during tension and flexure are crack initiation, propagation, and failure of the fuel layer, without shearing failure between the fuel-cladding sintering interfaces.

结果表明，U3Si2-Al弥散型复合燃料板的破坏模式主要表现为芯体裂纹的萌生、扩展和失效，芯体与包壳冶金结合性能较好，拉伸及弯曲过程中未出现明显的剪切破坏。

The results show that the four failure modes were ranked from highest to lowest effect: slip along the foundation, non-uniform distributions of stress, tension crack of the floodgate heel in the upper stream and compression failure of the floodgate toe in the downstream line.

由计算结果看出，水闸闸室沿闸基面滑动为水闸的最主要失效模式，上下游应力不均匀、上游闸踵拉裂、下游闸趾压坏为次要失效模式。

Fracture of formation of crushing funnel results from the extension of tension crack developing due to tension stress.

断裂破坏即破碎漏斗形成是在拉应力作用下，张裂纹扩展的结果。

Vertical tension crack depth.

关于垂直张裂缝的深度问题；

Uniaxial Tension Crack Characteristics of Loess

黄土单轴拉裂特性的研究

At the same time, secondary tension crack zones easily cause seepage deformation and failure.

而次生张裂带最容易产生渗透变形和渗透破坏。