竹梁在破坏前，横截面应变沿高度方向的分布基本上呈线性，平截面假定是成立的。
Before the failure of bamboo beams, cross-section strain distribution along the height was linear, and the plane-section assumption was established.
试验表明，截面应变沿宽度方向呈非线性分布，剪力滞效应随荷载的增加而变化，并不是常量。
The study demonstrates that the section strain along the width is nonlinearly distributed and that the effect of the shear lag is not constant and changes with the increment of the load.
结果显示，变形区内横截面应变分布非常复杂，腹板和翼板间的金属交换在不同变形区域内发生方向变化。
The strain in the deformation zone distributes very complicatedly in cross section. The metal exchange between web and flange takes place in alternative direction as the deformation is in progress.
通过截面平衡分析，建立了混凝土损伤指标与截面应变关系的一般公式，并得到截面广义力—位移关系曲线。
The general relation between the damage and strain of the beam cross-section is set up and the stress-strain curves of cross-section are made, through the analysis on cross-section balance.
根据平截面假定和应变协调条件计算的受弯承载力与实测值符合较好。
The flexural strength calculated on the basis of the plane section assumption and strain compatibility condition agrees well with the test results.
在塑性硬化强扭理论的基础上，利用双线性材料模型计算了扭杆弹簧第一次强扭过程横截面的应力和应变。
Based on plastic intensifying theory, dual-linearity material model is used to calculate stress and strain on the cross section of a torsion bar spring by FE method.
通过对结构应变进行分析，可获取结构的危险截面和疲劳程度等信息，并可对结构的寿命进行估计。
By analyse structure's strain, we can gain lots of information including the danger cross section and fatigue level. Also we can estimate the structure's life.
用流函数法确定了宽截面薄壁铝型材挤压变形动可容速度场、应变速率场及上限功率。
The flow function method is used to build the kinematically admissible velocity field, the strain rate field and the upper bound deformation power of wide section Aluminum shape extrusion.
对该条件的公式进行了推导；分析了破坏时梁截面的应力应变情况。
Analysis is introduced about the supplementary condition from deducing formula and the stress-strain change of beam's section when it is destroyed.
随着棘轮应变的产生，直管圆截面变为椭圆截面。
Thecircular cross section turns into ellipse as the ratcheting strain accumulates.
利用矩形箍筋约束混凝土的应力一应变关系和平截面假定，建立了高强混凝土剪力墙截面曲率延性系数的计算方法。
A method to calculate the section curvature ductility index of high strength concrete shear wall is induced by using stress-strain relationship of rectangle stirrup and plane section assumption.
从位移的云纹图用位移导数法求得销钉孔中心水平截面上的应变。
The moire pattern is used to determine the strain on the horizontal section through the pinhole centre by displacement derivative method.
该文基于钢筋混凝土结构设计理论中的截面平衡方程和应力应变关系，为FRP板加固的钢筋混凝土梁的计算提供了行之有效的理论和方法。
Based on equilibrium equations and stress strain relationships, an effective theory and computational method for the analysis of RC beams strengthened with FRP plates are presented.
采用的力学准则为满应变设计准则； 在整个桁架结构重量满足一定约束的前提下，通过优化各杆件截面积，达到整体柔度最小。
Under the premise of the weight of the entire truss structure satisfying certain constraints, it achieved the minimum flexibility by optimizing the cross-sectional area of the bar.
从加载之初直到大约0.8倍的极限承载力，试件纵向应变沿截面高度的分布基本符合平截面假定。
From 0 load till about 0.8 times the ultimate load bearing capacity, the steel tube longitudinal strain distribution along the depth of cross-section obeys the plain section assumption.
同时，实验研究获得的钨合金壳体危险截面处应变—时间历程曲线，既可以为壳体设计提供理论支撑，又为钨合金壳体侵彻混凝土靶板的侵彻模型和数值仿真建立了验证标准。
The strain history achieved may provide a base in shell design and verify theoretical models and numerical simulations of tungsten alloy shell impacting and penetrating normally into concrete targets.
通过对一个已使用40多年的钢筋混凝土吊车梁碳纤维加固后的现场加载试验，分析了加固后吊车梁在吊车移动荷载作用下正截面和斜截面的应变分布规律及挠度变化规律。
Based on the field load tests of more than 40 years old a reinforced concrete crane girder after strengthening strengthened with CFRP, the strains and deflections under the moving loads were analyzed.
本实用新型涉及一种三柱变截面数字式传感器，属于测力与称重技术领域，尤其是指一种电阻应变式传感器。
The utility model relates to a three-post variable cross-section digital sensor belonging to a technical field of measuring force and weighing, in particular to a resistive strain gauge transducer.
通过对带钢横截面上应力状态的分析，研究了纵向拉力对带钢变形的影响，给出了计算带钢中性层应变的方法。
The influence of axial force on the elastic-plastic stretch bending and sprngbackof a sheet metal is examined and a method to calculate the strain of middle layer is also given.
当配筋特征值不大于0.2时，承载能力极限状态下碳纤维片材的拉应变可以接近或超过允许拉应变，因此可以有效地对受弯构件正截面承载力进行加固；
When the ratio not more than 0.2, CFRP tensile strain can reach or exceed the permissible strain at ultimate capacity state, and therefore CFRP can work efficiently.
混凝土矩形柱在FRP侧向强约束作用下，极限应力、极限应变的提高系数与FRP的包裹量及截面形状、特征有关。
For rectangular columns sufficiently confined with external FRP, the improvement of ultimate stress and stain is related to the amount of FRP and the shape and characteristics of the cross-section.
对圆环形薄壁截面梁的应变进行了理论与实验分析，结果表明圆环形薄壁截面梁各点应变与该点角度的二倍呈余弦变化关系。
The strain of the thin-walled ring section beam is investigated theoretically and experimentally. The result shows the local strain varies as the cosine function of twice the positional angle.
随着搅拌头平移速度的增加，垂直于焊缝方向上的截面上，等效塑性应变减小，但是材料的流动速度会随之增加。
With the increase of the translation velocity of the pin, the flow of the material in friction stir welding becomes faster but the equivalent plastic strain decreases.
以初始应变能最小为预应力优化目标和重量最轻为截面优化目标进行了优化设计，获得了合理的初始预应力分布和截面大小。
Taking the minimum initial-strain of the structure as the objective function of the optimal prestress design and the minimum light of the structure as the.
为适应变截面汽车板簧用材所需，研制了一种低碳马氏体型弹簧钢。
A low carbon martensitic spring steel has been developed to meet the requirements of variable-cross-section plate spring for trucks.
三种材料不同缺口根半径试样最小横截面上应力三维度和等效塑性应变分布形态相似。
The stress triaxiality and equivalent plastic strain distributions at the minimum cross-section of specimens with different notch root radius are similar for such three kinds of materials.
现浇薄壁管桩低应变检测时，存在桩头三维效应以及平截面假定的适应性问题。
The three-dimensional effects of pile head and applicability of plane-section assumption are main problems in low strain dynamic tests on cast-in-situ concrete thin-wall pipe piles.
管桩低应变检测时，平截面假定并不满足，应力波的传播不能简单地用一维波动方程描述。
The plane-section assumption was not congruous in low strain dynamic tests on pipe piles, so the propagation of stress wave couldn't be expressed by 1D wave equation.
管桩低应变检测时，平截面假定并不满足，应力波的传播不能简单地用一维波动方程描述。
The plane-section assumption was not congruous in low strain dynamic tests on pipe piles, so the propagation of stress wave couldn't be expressed by 1D wave equation.
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