Finally, the rule of the change between the curve of stress-strain and the characteristics of acoustic emission in different rocks were obtained through the compression tests of different rocks. 最后通过岩样的压缩试验得出了不同岩样的岩石应力、应变曲线与声发射特性之间的变化规律。
Results from undrained triaxial shear tests show that this model can well describe the stress-strain characteristics of soft clay. 三轴排水剪切试验的验证结果表明,所构建的模型能较为合理地模拟结构性软黏土受荷扰动下的变形过程。
Analysis of Stress-strain Characteristics at High Temperatures of Spray Formed High Speed Steel 喷射成形高速钢高温应力应变特性分析
Experimental Research on the Stress-strain Characteristics of Concrete Porous Brick Masonry 混凝土多孔砖砌体单轴受压应力应变特征点试验研究
Test of the Dynamic Triaxial Stress-strain Hysteresis Curve of the Sand Soil and Study of its Characteristics of Dynamics 砂土动三轴应力应变滞回曲线试验及其动力特性研究
Next, it was indicated that the stress-strain characteristics of the high density till were nonlinear elasto-plastic. 其次,指出这种高密度的冰碛土的应力应变特性属于非线性弹、塑性性质。
The establish of these models, specially for the analysis of the whole process of the load, the stress-strain characteristics of the concrete and the steel are firstly studied. 但是,这些模型在进行受力全过程分析时,首先需了解钢筋混凝土在平面受力状态下,钢筋和混凝土的力学性能。
Study on stress-strain characteristics and damage rule of structural strength for marine soft soil in Hangzhou 杭州海积软土应力–应变特征与结构强度损伤规律研究
Finally, depend on the stress-strain analysis results and the material's fatigue characteristics, we select S-N curve method and Manson-coffin formula respectively for the fatigue damage calculation and life prediction of the turbine disc. 最后,通过前述应力(应变)的分析计算结果和材料的疲劳特性,分别选用S-N曲线法和Manson-Coffin的Morrow修正式法,对该发动机涡轮盘进行了疲劳损伤与寿命的计算。
Investigation into the Stress-Strain Characteristics of Weathered Sand in Three Gorges Project 三峡风化砂的应力应变特性研究
Stress-strain characteristics of the confined aquifer system and land subsidence controlling countermeasures in Shanghai 上海市承压含水层系统应力-应变特征及地面沉降防治对策
Otherwise, in the earth-rock dam's FEM, Duncan-Chang model is widely used. But it still needs to be proved that weather it can reflect the coarse grained soil's stress-strain characteristics and weather it can adapt the real stress path in the earth-rock dam. 在土石坝的有限元计算中大多采用邓肯张模型,然而邓肯张模型能否反映粗粒土的应力应变特性,能否反映土石坝的实际应力路径还有待验证。
Study on the stress-strain characteristics of light heterogeneous soil mixed with expanded polystyrene 聚苯乙烯轻质混合土应力-应变特性分析
Based on the test results of 30 steel-concrete composite beams with the varying plate thickness and different form of connectors, the rea-sonable sorts of connectors, the sectional stress-strain relationship and the rupture characteristics of these members are investigated. 本文通过30根钢板混凝土受弯构件在不同的钢板厚度和不同的锚固型式下的试验研究,探讨了锚固件的合理型式和构件截面的应力应变特征以及破坏形态。
The relationships between parameters of statistical damage softening constitutive model and stress-strain characteristics in the failure process of rock are theoretically investigated. On this basis the method for determining the parameters is proposed. 本文探讨了岩石损伤软化统计本构模型参数与岩石软化变形破裂过程的应力应变全曲线的特征参量的理论关系,建立了本构模型参数新的确定方法。
Based on the experimental data of quasi-static compression and dynamic compression of PUR syntactic foamed plastics, the influence of material parameters and experiment environment on the stress-strain characteristics is discussed. 基于聚氨酯复合泡沫塑料的准静态压缩及动态压缩实验数据,讨论了不同材料参数和实验环境对材料应力-应变特性的影响。
The mechanica behaviors as well as the stress-strain relationship characteristics of high strength concrete made of super-fine sand are studied through experiments. The calculation formulae for the various characteristic strength and modulus of elasticity of the concrete are proposed. 本文通过试验,研究了特细砂高强砼的基本力学性能及应力-应变关系特征,提出了特细砂高强砼的各项强度指标和弹性模量计算公式。
It was studied the stress-strain curve's characteristics of steel fiber reinforced concrete and hybrid steel-polypropylene fiber reinforced concrete, the matrix was C80 concrete. 本文研究了基体强度等级为C80,钢纤维增强混凝土、钢纤维-聚丙烯纤维混杂增强混凝土单轴受压应力-应变全曲线的特征。
Study on the Stress-strain Characteristics of Soils with Triaxial Test Based on Local Deformation Measurement 基于三轴试样局部变形测量的土体应力应变特性研究
A Study of the Stress-Strain Characteristics of Composite Rock at Confined Pressure 复合岩石在三向受压状态下的应力&应变特性研究
Some aspects of present research on dynamic recrystallization in pure magnesium and its alloys were reviewed. The mechanical behaviors, including stress-strain characteristics, strain rate equation and flow stress ( equation), during plastic deformation at ambient or elevated temperatures were discussed in detail. 综述了镁及镁合金动态再结晶方面的研究现状,介绍了镁及镁合金室温或高温塑性变形行为,包括应力&应变特征及其影响因素、应变速率方程和流变应力方程;
From a point of view on the microscopic effect of the compression-rebound of clayey layer, in connection with the ground subsidence stress-strain relationship characteristics, this paper states systematically the theoretical as well as the practical aspect of ground subsidence control. 本文从粘土层压缩和回弹的微观效应角度,结合宁波地面沉降应力&应变关系特征,系统论述了地面沉降控制的理论和实践问题;
The paper tests and studies the mechanical character of this new type of dam by using high-pressure triaxial apparatus. The outcomes show that the stress-strain curve of super-short cement material basically tallies with the characteristics of hyperbolic model when axial strain is smaller; 利用高压三轴仪对构成这种新坝型的超贫胶结混凝土的力学特性进行了试验研究,结果表明:超贫胶结材料的应力-应变曲线在轴向应变较小时,基本符合双曲线模型特征;
Experimental study on stress-strain characteristics of steel fiber reinforced concrete under uniaxial tension 钢纤维混凝土轴拉应力应变特性的试验研究
The rationality of using particle vibration velocity to describe blast-induced seismic effect is testified by using the stress-strain relation of rock and soil, and characteristics of wave propagation. 结合岩土特性,运用应力应变关系和波的传播特性,证明用质点振速描述爆破地震效应的合理性。
Expended skin specimens from dogs and their controls were studied at different stages after transplantation. The stress-relaxation characteristics, stress-strain characteristics and tensile strength were measured. 对狗背部扩张后和相应对照侧的皮肤软组织在移植后的不同阶段,分别进行应力应变、应力松弛特性和极限抗拉强度实验。
Experiment results show that these materials have an ideal characteristic of elastic-plasticity, and stress-strain curve shows the linear elastic and linear plasticity characteristics obviously. 结果表明:这两种材料有近似于理想弹塑性的性质,应力-应变曲线明显地表现为线弹性和线塑性的特点。
Based on the results about long-term monitoring for large span continuous rigid frame bridge, we come to the deformation law and stress-strain characteristics of the bridges in operation. 基于大跨径刚构桥的长期监测结果,得到了运营期桥梁的变形规律和应力应变特点。
The results reveal that different specimen show different stress-strain relationship during loading. Meanwhile, the activities and characteristics of AE signal are also distinct in the detecting process. 实验表明,不同的试样在受载过程表现出不同的应力-应变关系,且声发射历程中所表现出来的信号活动情况以及信号特征也有着明显的不同。
The current study for the diatomite soil is relatively rare; especially in its mechanical related aspects including the stress-strain and strength characteristics of the soil. 当前对硅藻土这种特殊土质的研究还比较少,尤其是在其力学性质相关的方面包括土体的应力应变关系和强度特性的分析都缺乏了解。