结果表明，双剪切试样受剪区域的应力状态基本为均匀分布且随蠕变时间变化很小。
The results show that there is a near uniform stress state in the shear zone.
蠕变还受混凝土初次承受荷载时的成熟度的影响，该影响取决于荷载的持续时间和重量。
Creep is also influenced by the maturity of the concrete when the load is first applied and depends on the duration and magnitude of the loading.
光弹性模型中的力学蠕变，伴随着光学效应随时间的变化。
The mechanical creep in photoelastic models is accompanied by a variation with time of the optical effects.
塑性流动的特殊情况是冷变形，发生在硫化橡胶长时间连续承受低应力时以及金属蠕变时。
Special instances of plastic flow are cold flow, which occurs in vulcanized rubber after low stress has been continuously applied for a long time, and creep of metals.
本文还对时间，载荷水平、温度和其它因素对蠕变的影响也做了进一步的研究。
The influence of load level, temperature, time and other factors on the creep behavior have also been analysed.
随着温度的升高和应力的增加，DZ 4合金蠕变第二阶段的时间迅速减少。
The second moment creep time of DZ4 superalloy rapidly decreases with the increasing of temperature and stress.
在晶界上形成形态复杂稳定的碳化物能阻止空洞的连接，从而延长了蠕变第三阶段，增加了断裂时间。
The stable eutectic carbides with complex morphologyprevent coalescence of grain boundary voids and therefore prolong tertiary creep stage and rupture time.
因蠕变加载作用时间缩短和疲劳载荷变化更频繁，导致在较小的应变下结束普弹应变阶段并进入延迟弹性变形的平台应变阶段。
The shortness of creep loading time and the faster frequency of fatigue load change induce general elastic strain stage to end and delayed elastic strain platform stage to begin under shorter strain.
结果人体硬脑膜的蠕变特征为：初始应变和所加的应力大体成线性关系；蠕变应变随时间缓慢增加。
Results the creep properties of human dura presented a linear-relationship between initial strain and stress, and the creep strain increased slowly with time.
本文通过长时间的试验证明了在蠕变试验机上应用电子技术的可行性。
This article had proven the feasibility of electronic technology applied on the creep testing machines through the long time test.
根据不同载荷条件下土体蠕变破坏的时间数据列，建立了土体流变破坏时间的灰色预测模型。
According to the sequence of the soil creeping failure time under different loading conditions, a grey forecasting model for the failure time in the course of soil creeping is established.
实验室软土多级固结蠕变试验成果表明，海积软土具有非线性、不可逆的、与时间相关的固结变形特性。
The test result of multi-step consolidation creep of Marine soft soil shows that the consolidation of the soil has nonlinear, irreversible and time dependent behaviours.
不同时间内蠕变的变化主要取决于载荷比例和相对湿度。
The variation of creep at different time is mainly dependent on rate of load and r.
运用假想夹层分析理论，导出了一个较为简便的不锈钢包壳在通常工作环境下蠕变坍塌临界时间的计算公式。
A hypothesis sandwich analytical theory is used, and the formulas for calculation of the creep collapse critical time is given in this paper.
随施加应力的增大，纤维的恒蠕变速率增大，抗蠕变断裂时间变小，蠕变断裂伸长变小。
The constant creep rate was increased and creep-resistance breaking time and creep breaking elongation were decreased with the increase of applied stress.
积分在短时蠕变和长时间蠕变条件下是路往无关的，而在过渡蠕变时期，其与路径也只是弱相关。
The J integral is path-independent for the short time creep and long one, while in the transition period, it is weakly path-dependent.
比较了获得拉伸蠕变破坏荷载-时间曲线以及蠕变应变-时间曲线的试验方法，给出了外推这两种蠕变曲线数据的处理步骤。
The methods of creep test to get both curves of tensile creep rupture load vs time and creep strain vs time are compared. The procedures to extrapolate the two types of creep curves are presented.
根据局部损伤理论和相似原理，给出了蠕变裂纹启裂前的孕育上下限时间并推导了蠕变裂纹扩展率方程。
Based on the local damage hypothesis and utilizing similarity solutions, this paper presents a procedure for estimating the incubation time prior to the onset of creep crack growth.
实验和研究表明：基于经典弹塑性及蠕变理论的本构方程，非弹性应变在高温下其本质上是时间相关的。
The experimental and research results indicate that non-elasticity strain associate with time in nature according to constitutive equations of the classical elastic-plastic and creep theory.
利用自行改装后的三轴蠕变仪对海相沉积的营口软土进行蠕变试验，获得了在不同围压、不同偏应力条件下的剪切应变与时间关系数据。
The relationship between shear strain and time of Yingkou soft soil is obtained under a series of different cell pressures and different deviator stresses.
其次，采用隐式蠕变方程中修正的时间硬化模型对蠕变试验全过程进行了仿真，计算结果与试验值能够很好地吻合。
Secondly, the whole creep test process was simulated using modified time hardening model of implicit creep equation, the calculated results are fit well to the test ones.
断裂孕育时间随材料的蠕变指数、上覆岩层压力的增大而减小；裂隙扩展时间也随材料的蠕变指数、上覆岩层压力的增大而减小，但随岩石的抗拉强度增大而增加。
Also, the crack extension time decreases with the increase of material creep index and the loading of overlying strata rock while it increases with the increase of tensile strength of roof rock.
采用受约束蠕变孔洞生长模型计算了不同试验条件下t 91钢的蠕变断裂时间，计算值与实测值相差不到2倍。
Results show that the ratio of calculated time to measured value is less than 2. After the modification of constrained cavity growth model, the calculated rupture time further appr...
本文通过对盐岩单轴、三轴的强度与蠕变实验结果的分析，研究了应力状态对盐岩的强度及其时间相关性特征的影响。
Through uniaxial and triaxial compression and creep experiment of rock salt under on high temperature and high pressure, the strength and time dependent properties of rock salt are studied.
软土在蠕变前后微观结构的演变，对了解软土的蠕变机理，探讨软土变形与时间关系以及建于软土地基上建筑物的稳定性有重要意义。
Microstructural change in soft clay before and after creep is important to understand its creep mechanism, relations between the stain and time, and building stability on the soft ground.
经过对螺栓的服役条件以及工作中受力情况进行分析，认为螺栓断裂主要是由于长时间在高温条件下发生蠕变导致的。
Work condition and force acting of the bolt were analyzed. The bolt failure was creep fracture mainly due to their high temperature work condition.
试验结果表明： （1 ）在初始加载过程中，经过一定时间蠕变后黏土的强度有很大的提高；
Test results show that : ( 1 ) the amount of creep deformation during monotonic primary loading depends on strain rate before creep, creep stress level, and creep time ;
试验结果表明： （1 ）在初始加载过程中，经过一定时间蠕变后黏土的强度有很大的提高；
Test results show that : ( 1 ) the amount of creep deformation during monotonic primary loading depends on strain rate before creep, creep stress level, and creep time ;
应用推荐