体积应力:应力在构件结构中沿空间三个方向上发生,也称三向应力。
Volume-stress: the stress exists in three directions in the volume of the component is called Volume-stress, which is also called three-faces stress.
采用数值试验方法,研究了体积应力以及孔隙压与等效孔隙压系数的关系规律。
By numerical experiment measure, the relation of volume stress and hole press - coefficient of equivalent hole press is studied.
实验表明几种岩石的强度、延性和脆性、体积变化和破坏前兆等与应力途径有关。
The experiments showed that the strength, brittleness and ductility, volume change and failure precursors are concerned with stress paths.
论文最后分析了理论计算公式,研究和讨论了剪切应力与粒子体积分数、外加磁场强度和粒子的磁化强度的关系。
Finally in this paper the theoretical formula is analyzed, and the effects of the particle volume fraction, particle magnetization and the external magnetic field onthe shear stress are studied.
钢筋受腐蚀后体积增大,在混凝土中产生劈裂应力。
Corrosion of reinforcement leads to a volume increase, causing splitting stresses in the concrete.
采用有限元方法分析了颗粒增强铁基复合材料强度和应力与颗粒形状、尺寸以及体积分数的关系。
The finite element method is used to analyze the relationship between strength and stress of the particle reinforced iron matrix composites and the shapes, sizes and fraction volume of the particles.
认为该装置具有接触应力大,体积小,噪声小,一次试验耗油量小,试验系统传动稳定,试验结果可信等优点。
The contact fatigue tester has high contact stress, small volume, low noise, low consumption of test sam-pl, stable driving system and reliable results.
在大体积混凝土中,温度应力及温度控制具有重要意义,这主要是由于两方面的原因。
Temperature stress and temperature control possess the important meaning in the cardinal principle is amassed the concrete, and this chiefly is the reason owing to two aspects.
大体积混凝土的温度应力问题与温度控制要求在碾压混凝土坝中同样存在。
The problem of thermal stress and a need for temperature control in the mass concrete construction also occur in the roller compacted concrete dams(RCCD).
这种大变形如果仅是应力重分布引起的体积膨胀则称为岩石扩容。
This large deformation is called for rock dilatancy if volume dilation only occurs owing to stress redistribution.
提出了一种新型的梁膜结构,其体积较小、应力集中效应明显,特别适合作小量程应变式压力传感器。
A novel beam-membrane structure was proposed, with a small size and obvious effect of centralizing stress, especially fitting low scale pressure sensor of strain type.
同时界面残余应力有效体积是一个重要参数,它和材料温度以及界面键合强弱有关。
The effective volume of the residual stress was an important parameter, which was relative to the temperature of the composite and the linking strength at the interfaces.
基于应变叠加原理的基本思想。阐释了金属振动塑性加工平均应力减小的原因,给出了体积效应机理的数学描述。
Based on the strain superposition principle, the phenomenon of mean stress reduction in metals plastic processes with vibration is explicated. and the mechanism of volume effect is described.
该实验是在各项异性的固结作用后保持差应力,使用孔隙水控制装置在体积不变的应变控制条件下将孔隙水注入。
In the test, after anisotropic consolidation, keeping the deviator stress, pore water is injected using pore water control apparatus under a constant volumetric strain controlled condition.
大体积砼的施工中出现最多的问题是温度应力导致的裂缝问题。
The problem, which occurs most often in the construction of large volume concrete, is the problem of cracking caused by temperature stress.
试验结果表明高性能混凝土中添加0.5%(体积比)的钢纤维对极限粘结强度略有提高,峰值粘结应力对应的滑移有较大的增长;
The experimental results indicated that when 0.5%(volume fraction) steel fibers were added to HPC, the ultimate bond stress was improved and the corresponding slip was also increased.
经分析与实体零件的宏观与微观组织观察,此现象是因为还原介质渗入,引起合金体积膨胀而产生引力,造成应力裂纹。
Being the reducing medium, the volume expansion of alloy brings gravitation and crack through analysis and observation of accessory's macro-and micro structure.
随颗粒体积分数的增大,颗粒的应力有减小趋势,材料的弹性模量呈增大趋势。
The stress decreases and the elastic modulus increases with increasing the volume fraction of SiC particles.
文章针对大体积砼产生裂缝的控制,论述了钢筋砼承受变形应力的特点。
According to the control of cracks in large concrete, this paper discusses the characteristics of reinforced concrete under deformation stress.
弹塑性边界元法中初应力(或初应变)奇异体积分的计算一直是一个较为困难、但又是非常重要的问题。
The calculation of the initial stress (or initial strain) singular integrals in elastoplastic boundary element method is a difficult, but an important problem.
提出了修正后的金属体积分数理论,准确预测了材料的弹性模量、屈服应力及拉伸强度。
A modified theory of metal volume fraction is put forward to precisely predict tensile properties including elastic modulus, yield stress and tensile strength.
结果表明,优化工艺后成型的复杂壳体制件的残余应力明显减小,体积收缩也比较均匀,缺陷明显减轻。
The result indicated that the residual stress in the product produced by optimized project was decreased obviously, the volumetric shrinkage was homogeneous and the defect became slight.
在围压变化的应力路径上对粗粒料进行大型三轴试验时,需要有效地消除橡皮膜嵌入量对试样体积变形量测的影响。
The influence of rubber membrane penetration on volume change in large-scale triaxial tests of granular materials along stress paths with variational confining pressure need to be eliminated.
结果表明,颗粒形状比颗粒尺寸和颗粒体积分数对材料的应力、应变分布及材料韧性的影响大。
The results show that the particle shape has greater effect on the stress of particle, the strain of matrix and the ductility of composites than that of the particle size and volume fraction.
大体积混凝土的水化热不容易及时散发,内部温升将会很高,从而产生很大的温度应力,导致出现温度裂缝。
The hydration heat of massive concrete does not emanate easily, so the internal temperature will be very high which will generate high thermal stress, then the temperature crack will appear.
核电站安全壳是防止放射性物质向环境释放的大体积预应力混凝土筒壳结构,是特殊环境条件下的重点防护目标。
Nuclear power plant containment shell is a large-volume pre-stressed reinforced concrete silo-shell structure to prevent radioactivity, and is the most important protected object in special condition.
公式较真实地反映了大体积混凝土的强度特性,直观地表明了在某运行状态下混凝土可容许承受的应力。
These formulas more actually reflect the strength characteristics of massive concrete and visually show allowable design stress of concrete under certain operation state.
大体积,温度应力,补偿收缩。
大体积,温度应力,补偿收缩。
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