结果表明:随着轧制过程的进行,累积变形量的增加,位错密度逐渐提高。
The experimental results showed that the dislocation density increased with the cumulative reduction increased.
以桶形基础为例,对循环荷载作用下软粘土地基的累积变形进行了计算、分析。
Taking a bucket foundation as an example, the cyclically accumulated deformation of soft soils under the action of cyclic loads in calculated and analyzed.
高速铁路路基填料的动强度和累积变形特性是保证高速铁路正常运营的重要因素之一。
The dynamic strength and accumulated deformation characteristics of subgrade filling are one of the most important factors affecting the normal operation of high speed railways.
提出了适用于长期循环荷载作用下粉细砂累积变形计算的等效黏塑性本构模型及数值模拟方法。
A new constitutive model, namely equivalent viscoplastic model, adaptive to cumulative deformation computation of sandy silt under long-term cyclic loading is proposed.
而且,证实建立在某种试验应力状态下饱和软粘土循环强度和循环累积变形的变化规律,可以推广到一般应力状态下。
And the changing laws of cyclic strength and cyclic accumulate deformation built on certain test stress states have generality and can be used in general stress states.
土体在动力荷载作用下,当动荷载与土体静强度的比值即循环应力比超过某一临界循环应力比时,土体才会发生累积变形和强度弱化。
The cycle stress ratio is the ratio of dynamic strength and soil static strength, as it passes the critical cycle stress ratio, accumulated deformation takes on and soil strength declines.
模量匹配光纤光栅应变传感器与其它类型传感器相比具有较好的测试效果,同时该类型传感器在一定程度上能够反映出沥青混合料的累积变形。
Compared with other kinds of sensors, module matching FBG has a better test effect, and this kind of FBG is able to reflect the accumulative deformation of asphalt mixture to some extent.
在上海地区典型饱和软粘土不排水循环三轴试验的基础上,分析了影响软粘土塑性累积变形的主要因素:循环荷载的作用次数,初始静偏应力和循环加载动偏应力。
It was shown that the cumulative plastic strain depended not only on the applied cyclic stress and number of cycles, but also on the initial static deviatoric stress level.
试验结果表明,焊缝金属具有比较好的塑性变形能力,焊缝的损伤值与材料的累积塑性应变呈线性关系。
The experimental results showed that weld metal had enough plastic deformation capacity, and its damage value was linear with the cumulative plastic strain.
此模型由一“破坏指标”表示,它是最大变形和累积能量耗损两个参数的非线性函数,其统计特性服从威布尔分布。
This model is represented in terms of a "damage index" which is a nonlinear function of maximum deformation and accumulated energy dissipation, and follows Weibull distribution.
针对交通荷载作用下软土地基的变形问题,采用累积应变的经验公式计算其累积沉降。
Using an empirical cumulative plastic strain formula, a method for calculating the traffic load induced deformation was proposed.
该模型综合了变形、能量累积以及荷载历程对预应力混凝土构件损伤-破坏的影响,对不同的地震模式有更好的适用性。
This model synthesizes the effect of distortion, energy accumulation, and loading history to damage-failure of prestressed concrete member, thus may be applied to different earthquake patterns.
基于最大变形和累积耗能线性组合的双重破坏准则及破坏指标,对单自由度结构进行了倒塌分析。
Based on the double control damage criterion and index of the linear function of the maximum deformation and cumulative hysteretic energy, the collapse of the SDOF structures is analysed.
根据总应变能理论,作者提出按管子累积蠕变变形量计算寿命损耗量。
According to the total strain energy failure theory author provides calculate formula of creep Life loss in creep deformation accumulation of steam pipe.
通过计算分析可以发现:随着土的变形模量和泊松比的减小,由地震所引起的海床中的累积超孔隙水压力均增大。
By computations and analysis it is found that the seismic-induced accumulative pore water pressures of seabed increase with the values of soil deformation modulus and Passion's ratio decreasing.
认为,板料零件数控渐进成形是使板料的厚度减薄,表面积增大,靠逐次的变形累积产生整体的变形。
Sheet thickness is thinned, surface area is increased in the nc incremental sheet metal parts forming process, and sheet forming point by point is to lead to the whole sheet deformation.
地震作用导致岩体变形破坏的主要机制是剪应力积聚和超静孔隙水压力累积效应的耦合作用。
Essentially the main mechanism of deformation and failure of rock mass induced by earthquake is the coupling effect of shear stress and excess static pore water pressure accumulation.
结果表明,基础隔震模型隔震效果明显,隔震层滞回变形能有效吸收地震动输入能量,减小模型结构的塑性变形和累积损伤。
The results show that the rubber isolated bearing is very effective in reducing the seismic response and dissipating the input energy of the superstructure.
结果表明,基础隔震模型隔震效果明显,隔震层滞回变形能有效吸收地震动输入能量,减小模型结构的塑性变形和累积损伤。
The results show that the rubber isolated bearing is very effective in reducing the seismic response and dissipating the input energy of the superstructure.
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