The effect of material damage accumulation and fraction should be considered in the analysis of dynamic strength failure of reticu.
单层柱面网壳在强震下不仅会发生动力失稳,也可能由于过度塑性发展导致动力强度破坏的模式。
The dynamic strength failure is the main seismic failure mode of single-layer reticulated shells, and the prediction of failure load requires the consideration of material damage cumulation.
动力强度破坏是网壳结构在遭受地震时的主要失效形式,准确的失效判别需要以基于材料损伤理论的分析为基础。
The tensile strength of the bonded plate was measured,the crack propagation,the interface disbond between the patch and the plate,and the residual tensile strength of the bonded plates were also investigated.
结果表明,复合材料补片胶接修补能有效地提高裂纹板的破坏强度和刚度,降低裂纹板的疲劳裂纹扩展速率,提高其疲劳寿命。
The effectiveness of the repair scheme,including the tensile strength,the fatigue life and the crack progress during fatigue was investigated experimentally.
利用热压成型工艺、采用预固化的单向碳纤维/环氧复合材料补片对铝合金裂纹板进行了修补,测试了裂纹板胶接修补前后的破坏强度、疲劳寿命及裂纹扩展情况,观察了破坏后的断口形貌,分析了复合材料补片的止裂机理。
The effectiveness of the repair scheme, including the tensile strength, the fatigue life and the crack progress during fatigue was investigated experimentally.
利用热压成型工艺、采用预固化的单向碳纤维／环氧复合材料补片对铝合金裂纹板进行了修补,测试了裂纹板胶接修补前后的破坏强度、疲劳寿命及裂纹扩展情况,观察了破坏后的断口形貌,分析了复合材料补片的止裂机理。
The sample height,water content,stress-strain behavior,failure strength,elastic modulus,cohesion and internal friction angle were measured in unfrozen soil as well as in thawed soil.
为研究冻融循环作用对土物理力学性质的影响,以青藏粘土为研究对象,通过对室内制备的粘土试样在经历0～21次完整冻融循环过程后,进行不同围压下三轴压缩试验,研究经多次冻融作用后,高度、试样含水量、应力–应变行为、破坏强度、弹性模量、抗剪强度指标等物理力学性质的变化。
The tensile failure strength is found to be in good agreement with the experimental results.
采用有限子层剪滞模型,并结合线弹性断裂力学,研究了带裂缝钢纤维混凝土试样的拉伸破坏问题,求得了与实验结果较吻合的拉伸破坏强度,证实了该分析方法的正确性和可靠性,可为钢纤维混凝土的破坏分析提供一种新的研究途径。
Mechanical behaviors such as deformation,stress distribution and failure strength are analyzed.
应用连续介质力学有限变形基本理论和超弹性理论,建立钢丝编织胶管的多层圆筒模型,得到了胶管变形和应力分布与内压的关系,分析了胶管的变形、应力分布和破坏强度等力学性能,并且讨论了钢丝层的弹性模量、胶管的轴向伸长等材料或几何因素对其变形、应力分布和破坏强度的影响。
Based upon these results,the rules of strength fracture about space lattice structure are studied under multiple s.
通过对极限加速度峰值、最大节点位移时程、塑性杆件数量和分布及网壳破坏形态这些重要参数的统计、对比、分析和归纳,剖析了大跨空间网格结构在多点输入和一致输入下的强度破坏机理。
It includes three parts in detail: how to use the elastoplastic time history method under multiple support excitation actually, the differences of the structural behaviors between multiple and simple support excitation, the rules of strength fracture under those two input modes.
本文的研究内容是大跨空间网格结构在多点输入下的弹塑性时程响应分析,其中包括多点输入下弹塑性时程分析方法的实现;多点输入与一致输入下结构响应的差异;多点输入与一致输入下结构强度破坏机理的分析比较。
Research on the Dynamic Strength Failure of Large-span Steel Arch Truss under Severe Earthquakes
强震作用下大跨度拱形立体桁架结构动力强度破坏研究
Mechanical Behavior and Failure Strength of Fiber Braided High Pressure Rubber Hoses
钢丝编织高压胶管的力学性能及破坏强度
Failure Mode of Single-layer Saddle-shaped Reticular Shells Subjected to Strong Dynamic Loads;
单层鞍形网壳强动力荷载下破坏模式的研究
Failure Criterion of Single-layer Saddle-shaped Reticular Shells Subjected to Strong Dynamic Loads
单层鞍形网壳强动力荷载下破坏准则的研究
Embedded columns can increase shear strength as well as control of displacement and failure.
配以暗框边柱能提高剪力墙的抗剪强度、位移控制和破坏控制能力。
Have the broken up ability strong, The effect is hight, low etc, in strength in labor advantage.
具有破碎能力强，功效高，劳动强度低等特点。
Influence of interfacial strength on fracture process and mechanical properties of fiber composites
界面强度对纤维复合材料破坏及力学性能的影响
Plain bearings-Metallic multilayer plain bearings-Destructive testing of bond for bearing metals
GB/T12948-1991滑动轴承双金属结合强度破坏性试验方法
Research on the dynamic mechanical property and failure mechanism of glass fiber reinforced aerogel
玻璃纤维增强气凝胶的动态力学性能及其破坏机理
Macro- and Micro-mechanics Strength Analysis of Composite Structures;
复合材料结构宏、细观强度破坏分析
Progressive Collapse Analysis of Ship Hulls under Longitudinal Bending;
逐步破坏法计算船体梁总纵极限强度
A high-explosive bomb used for demolition purposes.
爆破力强的炸弹用于破坏目的的烈性爆弹
The potential of population and labor resources was ruined.
人口和劳动力资源潜力受到严重破坏。
The mobility of city life, with its increase in the number and intensity of stimulations, tends inevitably to confuse and to demoralize the person.
城市生活中，流动的数量大增，刺激强度大增，因此这种流动必然会模糊人的理念，破坏人的道德。
Composite Laminates with Centric Hole in Static Strength;
含孔复合材料层合板的静强度破坏分析研究
Investigation of Inclusions on Micro Fracture Mechanisms of High Strengthened Steels;
夹杂物对超高强度钢微观破坏机制的研究
The Analysis to Intensity Breakage of Damping Spring in Train Carriage Pedestal;
火车车箱底座减振弹簧的强度破坏分析
Strength prediction for rock mass based on Barton-Bandis nonlinear failure criterion
基于Barton-Bandis非线性破坏准则的岩体强度预测