Theoretical study shows that the crack extension under shear loading is caused by tensile stress, and it does not belong to shear fracture.
理论分析证明,在剪切载荷作用下裂纹扩展是由于拉伸应力引起的,并非剪切破坏。
The tests and numerical models of rock interfaces and joints under cyclic shear loading are reviewed, and a new constitutive model is developed.
回顾岩体结构面切向循环加载的力学试验和数值模型,并建立新的本构模型。
Compared with confined clay brick wall, equivalent viscous damping coefficients is improved by 37 percent and shear loading capability by 25 percent.
与约束烧结粘土砖墙相比,等效粘滞阻尼系数提高37%,受剪承载力提高25%。
Numeral results show that, under shear loading conditions, the stress intensity factor is independent of applied electric displacement and electric field.
结果表明,在外加剪切荷载的作用下,应力强度因子与外加电场无关。
In the experiments, a small-amplitude sine wave of displacement is modulated to shear loading to study the effects of shear stress perturbation on stick-slip instability.
实验中通过在剪切方向上叠加正弦波状的位移扰动,研究了剪应力扰动对断层粘滑失稳的影响。
With no yielding up to its fracture strength of CFRP, the stress of CFRP at the maximum shear loading is found to be the key parameters in determining shear strength of the columns.
由于碳纤维布无屈服现象,故达到最大荷载时碳纤维布的应力是确定加固后柱受剪承载力的关键参数。
A large number of real rock and model material experiments and numerical simulations on the mixed mode fracture under compression-shear loading had been carried out by scholars at home and abroad.
针对岩石类材料压剪破坏,国内外学者做了大量真实岩石和模型材料的试验,并进行相应的数值模拟工作。
While robotics and metal fabrication have a long history together, integrating a robot into a front-loading guillotine shear is something new altogether.
尽管机器人应用于钣金生产已经有很多年的历史了,但是在一台从前面进料的剪板机上集成机器人还是新鲜事物。
In the analysis of the stress and deformation under dynamic loading, the inertia force and damping moment should be considered in addition to the transverse shear effect.
在分析动载荷下的应力和变形时,除考虑横向剪切效应外,还须考虑微段的惯性力和阻尼力矩。
The model was successfully validated and used to simulate time-varying responses of engineered AF under shear and biaxial loading.
模型成功地被证实并使用于模仿在剪切和双轴向负荷下反应程度依时间变化的组织工程纤维环。
The shear spring bears most of the vertical loading, which decreases the vibration frequency.
剪切弹簧承担大部分垂直方向的载荷,降低震动频率。
The deformation behavior and shear localization in truncated conic specimens of tungsten heavy alloys under impact loading are simulated by the finite element code ABAQUS.
采用有限元计算编码abaqus模拟了钨合金圆台试件在冲击载荷下的变形和剪切局部化行为。
This paper presents the drained test of saturated tailing sand in dynamic simple shear apparatus by measuring volume change of the sample under cyclic loading.
本文通过对饱和尾矿砂在振动单剪仪上的排水试验,量测了试样在周期荷载下的体积变化。
The distinguishing features of the paper are selection of oblique strip and loading transmission, negative yielding line in irregular slab with simple supports, point support and shear split of slab.
本文的主要特点为有料向板条的选取及荷载传递、简支不规则板的负弯矩裂缝线以及点支承板条和板的剪切劈裂问题。
The effect of dynamic shear and tensile strength of tungsten heavy alloys on the fracture mode of fragmentation under explosive loading was investigated.
研究钨合金动态抗拉和抗剪强度对爆炸加载下破片宏观断裂模式的影响。
The deformation and contact frictional force of elastomer pressure shear break are studied in proportion loading .
对比例加载时弹性体压剪裂缝的变形及接触摩擦力问题进行了研究。
Static loading tests of 35 specimens were carried out to study the shear strength of concrete filled steel tube (CFST) columns.
为建立钢管混凝土柱的受剪承载力计算式,完成了35根试件的静力加载试验。
Shortterm shear behaviors depend on loading rate and test temperature while the shapes of the shear creep curve and the creep lives depend on test temperature and stress.
瞬时剪切行为存在加载速率、温度相关性;剪切蠕变曲线形状和蠕变寿命与温度及应力大小有关。
The bearing capacity of soft subsoils of Xiangtan-Shaoyang Expressway is been studied by the methods of slab loading test, the portable dynamic probe test and the cross plate shear test.
选用平板荷载试验、轻便动力触探试验、十字板剪切试验等三种测试手段,对潭邵公路软土地基承载力进行了研究。
The effects of repeated loading on the fatigue shear strength of partially prestressed concrete beams are studied.
本文探讨重复荷载对部分预应力混凝土梁疲劳抗剪强度的影响。
Under the loading conditions of uniaxial and slightly biaxial tension, the characteristics of material bifurcations (plane shear banding and surface wrinkling) are demonstrated.
文中揭示了在单向和弱双向加载条件下材料分叉(平面剪切带和表面皱曲)的一些特征。
The calculated strength could show the affection caused by transverse shear effect and the affection had only relation to the loading value and no to the ratio of span-height.
预测的强度能够反映出横向剪切效应的影响,其影响只与载荷大小有关,而与跨高比无关;
In loading condition, the shear fracturing of the bottom shell of the uncompacted belt would appear earlier than that of the top.
在加载条件下,欠压实带的顶、底壳发生剪切破裂,底壳早于顶壳。
Systemic experimental research on 6 different composite connections between concrete filled steel tube columns and shear wall under low cycle reversed loading have been done.
完成了6个由不同形式抗剪连接键连接的钢管混凝土边框与剪力墙组合节点在低周反复荷载下的抗震性能试验。
With test results of five specimens of exterior joints of rein- forced concrete frames subjected to low cyclic loading, the shear strength of these joints is discussed.
本文介绍五个钢筋混凝土框架过节点试件在低周反复荷载下的试验结果。
The finite deformation theory is applied to investigate the effects of boundary condition and loading speed on shear band localization of normally consolidated Fujinomori clay.
基于有限变形理论,研究了正常固结藤森黏土的边界约束效应和加载速度效应。
Shear failure is an important mode of dynamic failure of structural members under impulsive loading.
剪切失效是强动载荷作用下结构失效的重要模式。
The transient effective shear-strength theory characterizing the strength change behavior of saturated sand under cyclic loading is presented in this paper.
本文给出了一个适用于表征饱和砂土在往返荷载下强度变化特性的瞬态有效抗剪强度理论。
The transient effective shear-strength theory characterizing the strength change behavior of saturated sand under cyclic loading is presented in this paper.
本文给出了一个适用于表征饱和砂土在往返荷载下强度变化特性的瞬态有效抗剪强度理论。
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