查询词典 tensile stress

Analysis of the strain field discovers that the principal compressive and the principal tensile strain rates in the epicenter area are -30.840×10-9/a and 13.956×10-9/a respectively before earthquake, and the principal compressive strain axis is in a direction of N105.4°E which is consistent with the average direction at N107.5°E of the principal compressive stress axis from focal mechanism result.

应变场分析发现，震前震中区的主压与主张应变率分别为-30.840×10-9/a与13.956×10-9/a，主压应变轴N105.4°E与震源机制解得到的主压应力轴的方向N103°E一致。

The results show that the gabion meshes present good tensile characteristics in the event of the rupture of the meshes. The larger-diameter gabion mesh shows a better mechanical performance, and the mechanical performance of 80RE geogrid is superior to that of 70RE geogrid. The revised relationship curves between the tension per unit width and unit elongation also present elastic stage, yield stage and strength stage. The constraint deformation of reinforcement is influenced by factors such as secant modulus of materials, stress levels, and the length of reinforcement in active area and stable area.

结果表明，格宾网在发生钢丝断裂之后仍呈现出较强的抗拉性能，大直径格宾网体现出优越的力学性能；80RE土工格栅的力学性能优于70RE土工格栅；修正后的格宾网的单位宽度拉伸力与伸长率的关系曲线仍呈现弹性、屈服和强化3个阶段；在约束条件下，筋带的变形量与筋带的割线模量、应力水平、筋带在加筋体中主动区和稳定区的长度等因素有关。

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This paper studies the stress of gravity dam heel with careful numerical simulation, and analyses the effect of the variety of the elastic modulus of homogeneous or non-homogeneous foundations on the principal tensile stresses of gravity dam heel. The conclusions are as follows:① When the elastic modulus of homogeneous dam base and variated element in the critical place is changed with the same the fluctuation, the effect on the dam heel stresses caused by the latter is much more prominent than the former one.

本文通过精细网格模拟研究了重力坝坝踵应力情况，就均质坝基和非均质坝基弹模变化对坝踵主拉应力的影响，得出了如下结论：①均质坝基弹模与非均质坝基敏感区域的变异单元弹模变化相同的幅度，非均质情况引起的坝踵应力的变化远大于均质情况。

The deformation mechanism is mainly the single-slip and cross-ship, the fracture mechanism is mainly the congregation of transgranular micro-hole, and large uniform deformation occurred before tough fracture, and therefore, the ability of plastic deformation and the mechanical properties of the material were remarkably improved. These fully indicate that the new melt-treatment developed in this work is an effective and advanced technique, and further testify that the improvement of metallurgical quality of the material is the key to enhance its mechanical properties, especially its plastic deformation performance. The results of tensile and compression tests at elevated temperature also indicate that the suitable hot-working temperature range is 400～450℃. 4. A steady-state plastic flow exists during the plastic deformation of the aluminum sheet used for pressure can at elevated temperature. A hyperbolic sine relationship can be satisfied between the steady-state flow stress and strain rate by introducing an Arrhenius term which involves some thermal activation parameters, i.

压力罐用铝材中的主要冶金缺陷为Al〓O〓夹杂物、气孔及富Fe杂质相；高效熔体处理显著改善了材料的冶金缺陷的存在形态，使含杂量明显减少、夹杂物尺寸变细小且分布均匀，富Fe杂质相变为细小、分布均匀的团球状或短棒状的复杂化合物，同时也明显细化了结晶组织；此外，由于高效熔体处理有效地减少了材料中裂纹萌生源数量，因而改变了材料的塑性变形微观过程及断裂方式，主要以单滑移和交滑移进行塑性变形，断裂方式为穿晶微孔聚集型，韧性断裂前产生了大量的均匀变形，不易出现变形失稳，从而显著提高了罐用铝材的塑变能力和力学性能。

According to the maximum tensile circumferential stress theory ,using the ANSYS parametric design to program macro file, the break process of the engine suspending bearings is simulated.

根据最大周向拉应力准则，应用ANSYS参数化设计语言编写的宏命令程序，对发动机悬置软垫的断裂过程进行了模拟，得出了2种步长时裂纹前进的裂尖位置及相应的裂纹轨线。

The relationship between stress and strain in a particular material is determined by means of a tensile test .

一个材料的应力和应变之间的关系是通过拉伸测试法决定的。

The relationship between stress and strain in a particular material is determined by means of a tensile test.

之间的关系应力和应变在一个特定的物质决心通过拉伸试验。

The strength and toughness of the nanocomposites are improved because of the addition of anao-Zno. The volume resistance strength and toughness of the nanocomposites are improved because of the addition of nano-ZnO. The volume resistance coefficient is decreased 8×10 times, surface resistance coefficient is decreased 5.7×10^4 times, and the friction coefficient is decreased 29% by adding nano-ZnO. The friction, wear properties, and the antistatic property of MC Nylon 6/ZnO nanocomposite are better obviously than MC Nylon 6. The macro stress of MC Nylon 6 structure is changed by the tensile test so that the preferred orientation of crystal surface (002+202) is more obvious.

纳米ZnO的加入起到同时增强增韧的作用；使体积电阻系数降了8×10^4倍、表面电阻系数降了5.7×10^4倍、摩擦系数降低了29%，MC尼龙6/纳米ZnO复合材料摩擦磨损性能和抗静电性能明显优于MC尼龙6；经过力学拉伸试验的破坏，引起MC尼龙6结构发生宏观应力变化，造成（002+202晶面）产生明显的择优取向。

This paper delivered the relationships of uniaxial tensile and compressive stress with strain and bending properties,and felt－bending strength of cement mortar with polyvinyl acetate.

研究掺聚醋酸乙烯水泥砂浆的轴拉和轴压应力—应变关系、抗弯性能以及长期粘结抗弯强度。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。