Based on the plastic flow theory of soils, an elastoplastic constitutive model for describing the stress-strain behavior of the saturated sands under the action of monotonic loading is developed.
利用土体的塑性流动理论，提出了用于描述饱和砂土在单调荷载作用下的应力—应变反应性质的弹塑性本构模型。
Furthermore, the stress-strain curves and stress relaxation behavior of EPDM vulcanizates was also studied.
此外，还对EPDM的应力-应变曲线和应力弛豫行为进行了研究。
The method not only can consider behavior of stress strain of soil, but also can determine the most dangerous slip surface and its factor of safety at any time.
该方法不仅能够考虑土的应力应变性质，而且能够在任意时刻确定最危险滑动面的位置及安全系数。
The displacement of slope due to rainfall is related to suction and the stress-strain behavior of unsaturated material.
由降雨引起的边坡位移与边坡体中非饱和土体基质吸力变化产生的应变有关。
Being as a special soil its normalized behavior is worthy of being further studied in terms of stress-strain relationship and pore pressure-strain relationship.
作为一种特殊土，其应力应变关系，孔压与应变关系是否存在归一化性状值得研究。
Intuitionistic behavior of brittleness is the soften stage of the stress and strain curve.
脆性的直观表现为应力-应变曲线具有明显的软化段。
Firstly the dependence of stress strain behavior of polyolefin on the test conditions was investigated.
首先研究了聚烯烃应力应变行为的测试条件依赖性。
Furthermore the stress strain curves of cement mortar under three different stress states and the initial behavior of hydrodynamic curve are compared and analyzed.
对水泥砂浆石在准一维应变、一维应变、一维应力下的应力应变关系与高压下静水压缩曲线进行了比较和讨论。
This measured stress strain behavior is then co-related with the physical properties measured by routine tensile tests of the similar type of propellant which is aged artificially.
然后将所测得的应力应变行为与经人工时效的推进剂拉伸试验测得的物理参数建立起相应的关系。
Using the test results, the stress strain behavior of the subgrade was quantitatively studied, and the causes of diseases in subgrade were analyzed.
运用试验结果定量分析了填土路基在往复列车荷载作用下应力应变反应特性，剖析了路基病害产生的原因。
In a certain range of tensile temperature, the stress strain behavior of polyolefins studied showed good similarity.
一定温度范围内聚烯烃均出现显著的应力波动现象，形变不均匀、不稳定。
The non-linear finite element procedure was introduced in detail, Mechanical behavior of RC culvert pipes is analyzed with it, the relations of loads with stress, strain, cracking is put forward.
详细的介绍了用于本研究的非线性有限元程序，并用该非线性有限元程序计算分析了涵管的受力性能，得出涵管受力与应变、变形、破坏之间的规律。
The modulus of the material decreases and the inelastic strain increases with the increase of tension stress, and the composite exhibits a largely non-linear stress-strain behavior up to rupture.
随着应力的增加，材料模量减小，非弹性应变变大，复合材料的应力-应变行为表现为非线性直至断裂。
A valid method to make the anisotropic deformation behavior of load bearing unit clear is to research principal stress and principal strain relationship, and true triaxial test is a necessary means.
弄清受荷单元的主应力主应变关系是认识各向异性变形性状的有效方法，而真三轴试验是必要的手段。
Unfortunately, previous work rarely incorporated the effect of initial deviator stress on cyclic degradation behavior and dynamic stress-strain relationship of soft clay.
以往的研究大多忽略初始偏应力对软黏土循环软化及动应力-应变关系的影响。
It is the basic method of understanding the performance behavior of big diameter driven cast-in-place pile by the test of stress and strain.
桩身应力应变测试是从微观上了解桩基工作性状的基本方法。
To study of coiled tubing steel cyclic stress-strain behavior was found that: the same sample at different constant strain rate, the performance of cycle characteristics is different.
研究连续油管钢循环应力-应变行为发现：相同试样在不同的恒应变幅下，表现出不同的循环特征。
Using the new technique, the stress-strain curve of plastic concrete was significantly improved and showed more stable and reliable behavior.
使用新的技术，显着提高了塑性混凝土的应力应变曲线，显得更加稳定和可靠。
The device can be applied in the investigation of stress-strain behavior of sand loaded along constant strain increment ratio paths.
研制开发的试验设备可用于研究砂土在等应变增量比加载条件下的应力应变响应。
The chemical composition, strength, cyclic stress and pre-cyclic-strain have a remarkable influence on the micro-plasticity behavior of the steels.
钢的化学成分、强度、服役应力和预应变处理显著影响其微塑性服役行为。
Study on undrained shear behavior and hyperbolic stress-strain relationship of saturated clays;
该文研究采用振弦应变计监测混凝土结构早龄期的应力相关应变。
The stress corrosion cracking(SCC)behavior of X70 steel welded joint was investigated in a near-neutral pH solution by fluctuant slow strain rate test(F-SSRT).
分析温度、应力（应变）和慢应变率等因素对极化曲线的影响，并讨论温度、应力和慢应变率对管道钢发生应力腐蚀开裂的驱动作用。
The stress corrosion cracking(SCC)behavior of X70 steel welded joint was investigated in a near-neutral pH solution by fluctuant slow strain rate test(F-SSRT).
分析温度、应力（应变）和慢应变率等因素对极化曲线的影响，并讨论温度、应力和慢应变率对管道钢发生应力腐蚀开裂的驱动作用。
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