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载荷水平
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  load level
     The sampling test by accelerating test at load level(0.3)0Q can save time 14% in comparison with that at normal load level(0.25)Q,and the test at 0.33Q save time 25% than test at level 0.25Q.
     加速试验(0.30Q载荷水平)的抽样检验比正常载荷(0.25Q载荷水平)节省时间14%,加速试验(0.33Q载荷水平)的抽样检验比正常载荷(0.25Q载荷水平)节省时间25%。
短句来源
     The SEM photographs of the break surfaces of the chain showed that the surfaces broken by load level 0.25Q are smoother than those by level(0.40)Q.
     由断口形貌(SEM)照片可以看出,汽车链06BT在0.25Q载荷水平的断口比在0.40Q载荷水平时的断口平滑得多。
短句来源
     According to the superposition results, the service life of geogrid may achieve to 100 years under 20% load level and at 20℃.
     根据叠加结果得出,格栅在温度为15℃、载荷水平为20%的使用环境下,使用寿命可达100a以上。
短句来源
     The present work shows that geogrid subjecting 20% load level will be safe and if load level exceed 40%, the geogrid may rupture within a short time.
     测试的格栅试样在低于20%载荷水平下使用是安全的,而当载荷水平高于40%时,很可能在短时间内发生断裂。
短句来源
     The influence of load level, temperature, time and other factors on the creep behavior have also been analysed.
     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。
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  loading level
     Especially, it should also be noted that the Kaiser effect appeares at lower loading level, but the Felicity effect isincreasingly apparent with the raise of load level for two types of specimens.
     两种试样的声发射总数—载荷关系曲线表明:在低载荷水平时,试样显示Kaiser效应,而在高载荷水平时则显示Felicity效应。
短句来源
     The restraint distribution of a mixed crack contained in an actual structure satisfies the HRR character that the restraint level is independent of loading level and distance from crack tip.
     实际裂端的约束水平及其分布满足HRR场所要求的独立于外载荷水平和距裂端距离的性质。
短句来源
     Based on these linear expressions,a new experimental method is developed to predict the fatigue life of RC beam strengthened with CFL,that is,to predict the fatigue life by loading the RC beam with some circulatory nondestructive loads under a appointed fatigue loading level,with a recommended cyclic number of 10~1000.
     据此提出了一种预测CFL增强RC梁疲劳寿命的新方法:在指定的疲劳载荷水平下,只需对CFL增强RC梁实施一些非破坏性的少量循环载荷试验(载荷循环次数推荐值为10~1 000),就能够较好地预测该载荷条件下CFL增强RC梁的疲劳寿命.
短句来源
  “载荷水平”译为未确定词的双语例句
     In order to study the metal magnetic memory(MMM)signal character of describing the position of stress concentration,the sample with precut crack was detected by means of MMM at different tensile stress.
     为研究金属磁记忆信号描述应力集中位置的特征,对预制裂纹的拉伸试件施加不同水平的载荷,在每次载荷水平下进行金属磁记忆方法检测,并分析了检测信号过零点特征的变化规律.
短句来源
     The specific creep of high-performance concrete (HPC) incorporated with mass fraction(the same below) of 12%, 30%, 50% and without fly ash were tested under stress strength ratios of 33% in order to clarify the effect of fly ash on creep behavior. The tests were made under controlled temperature (20±1) ℃ and humidity (60±5)% conditions.
     为研究粉煤灰对高性能混凝土徐变性能的影响,在(20±1)℃、相对湿度为(60±5)%的条件下测试了33%载荷水平下粉煤灰等量取代水泥量(质量分数,下同)为0,12%,30%和50%时高性能混凝土的徐变度。
短句来源
     The fretting and damage behavior of 2091 aluminum lithium alloy under radial and composite (tangential and radial) fretting against SAE-52100 steel at various loads and inclined angles were investigated in a ball-on-plate configuration.
     在径向和复合(切向与径向复合)微动条件下,考察了2091铝锂合金在不同载荷水平和倾斜角度下的微动行为和损伤过程;
短句来源
     Normal component of surface magnetic field intensity signals were measure by EMS-2003 metal magnetic memory instrument in the whole tensile process.
     对应试件加载前、静载拉伸过程中不同的载荷水平以及断裂后等不同阶段,分别采用EMS-2003磁记忆诊断仪检测试样表面磁场强度垂直分量信号的变化。
短句来源
     The deformation characteristics of the fine-sandstone is studied under the loading and unloading conditions at the three different deformation-rates and the two different stress-levels. The experimental results show that there is really the plastic-loop in the deformation curve for the loading deformation curve is different from the unloading deformation curve.
     通过对细粒砂岩在不同位移速率、不同载荷水平时循环加、卸载条件下变形的演化规律的实验研究发现,细粒砂岩在循环加、卸载条件下的卸载曲线与加载曲线不相重合,将形成一封闭的塑性滞回环,且该塑性滞回环从第2次循环起几乎不发生变化。
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  load level
We thus arrive at the fault severity factor which is fairly independent of the load level and the inertia value of the induction motors.
      
Experiments with a press are carried out in the regime of discrete changes in the axial load level.
      
Random Early Detection (RED) is a typical AQM algorithm, but it is known that it is difficult to configure its parameters and its average queue length is closely related to the load level.
      
Based on these, the fault severity factor which is completely independent of the inertia and load level is defined.
      
The damage zone in front of pre-crack tip in rubber-modified specimen (15 wt% rubber) began to form at about 13 % level of the fracture load and grew in size until 57 % load level.
      
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  loading level
The most important factors influencing the silt behaviour are porosity, confining pressure, consolidation state, cyclic loading level and number of cycles.
      
The effects of loading level and test temperature on rutting resistance of asphalt overlay structure were evaluated by means of multilayer specimens.
      
The maximum magnetoelectric effect voltage coefficient, (dE/dH)33max, of the sandwich composites is higher than that of three-phase composites at their own optimal loading level of Terfenol-D.
      
The emission intensity of TMA-nano-FAU treated with PMS increased with the Nd(III)-loading level.
      
The emission decays did not follow simple first-order kinetics and the average lifetime became longer with increasing Nd(III)-loading level.
      
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With a view to apply the J-integral to the fracture analysis of welded joints or multilayered composites, a study of the J-integral on crack problems of layered non-homogeneous medium is made. The J-integral values for nonhomogeneous strips with a sandwiched soft layer containing a centre crack parallel or perpendicular to the bi-inaterial interfaces are computed at various load levels using elastoplastic FEM and the method for numerical evaluation of J-integral for layered media given in this paper. In the...

With a view to apply the J-integral to the fracture analysis of welded joints or multilayered composites, a study of the J-integral on crack problems of layered non-homogeneous medium is made. The J-integral values for nonhomogeneous strips with a sandwiched soft layer containing a centre crack parallel or perpendicular to the bi-inaterial interfaces are computed at various load levels using elastoplastic FEM and the method for numerical evaluation of J-integral for layered media given in this paper. In the computations, the Rice's definition of J-integral is adopted for the parallelly cracked layered strips, and a modified definition of J-integral proposed in this paper which is applicable to general multilayered medium crack problems is used for the perpendicularly craoked strips. The effect of relative width of soft layer upon the J-integral values is investigated.

本文对分层非均匀介质裂纹问题的J积分进行了研究,旨在把J积分方法用于焊接接头或分层复合材料的断裂分析。利用弹塑性有限元和本文给出的分层介质J的数值计算方法,在各种载荷水平下对含有软夹层的非均质中心裂纹板的J值进行了计算。软夹层中的裂纹平行于或垂直于夹层与基体的分界,分别按Rice的J积分定义和本文的适用于一般多层介质裂纹问题的J的修正定义进行分析计算。考察了软夹层相对宽度对J积分值的影响。

The distribution of effective stress and plastic zone is analysed for compact tension (CT) specimen in 3-D deformation state using ADINA (AUTOMATIC DYNAMICAL INCREMENTAL NOLINEAR ANALYSIS) finite element program. The tendency that the effective stress and the plastic zone vary in the thickness direction and the reason that this tendency is caused are studied according to the analytical results. It is indicated that the triaxiality of the stress for Mode I fracture can not be neglected.

本文用ADINA(AUTOMATC DYNAMICAL INCREMENTAL NOLINEAR ANALYSIS)有限元程序,分析了三维变形状态下,紧凑拉伸(CT)试样的等效应力和塑性区分布情况.并在此基础上,探讨了不同载荷水平下,等效应力和塑性区尺寸沿厚度方向的变化趋势和产生这种趋势的原因;指出了应力三轴性在Ⅰ型裂纹中是不可忽略的.

The author used the chevron notched short-rod specimen for fracture toughness test suggested by ISRM in his experiment. The specimen is Kallax gabbro from Sweden with diameter of 71.4mm. Under a certain load level, flourescent penetrant is injected into the crack of specimen. It is then divided into some slices with 4~8mm thick and length of each crack is measured to obtain the crack front in the specimen. It is found that crack fronts can be considered to be straight. Crack length estimated by unloading tangent...

The author used the chevron notched short-rod specimen for fracture toughness test suggested by ISRM in his experiment. The specimen is Kallax gabbro from Sweden with diameter of 71.4mm. Under a certain load level, flourescent penetrant is injected into the crack of specimen. It is then divided into some slices with 4~8mm thick and length of each crack is measured to obtain the crack front in the specimen. It is found that crack fronts can be considered to be straight. Crack length estimated by unloading tangent and secant compliances are approximately equal to the traction-free segment of crack and the measured crack length respectively. The difference between them equals the length of FPZ approximately which is about 10mm.

本实验研究采用国际岩石力学学会建议的V型切口短棒岩石断裂韧度试件,岩石为瑞典的卡莱克思(Kallax)辉长岩,试件直径为71.4mm。把试件加载至不同的载荷水平后,向裂纹注入荧光渗透剂;然后,把试件切成厚度为4~8mm的岩片并测量每一岩片上的裂纹长度,以获得各试件的裂纹前端曲线。结果表明,裂纹前端曲线可以被认为是直线。分析表明,根据卸载切线柔度估计的裂纹长度近似地等于裂纹的无表面力段长度,根据割线柔度估计的裂纹长度等于测量的裂纹长度;两者的差值近似地等于FPZ(Fracture Process Zone)长度,其值约为10mm.

 
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