The stress relaxation experiments of rocks under the deformation at peak load and load-unload experiments before peak load are carried out.
进行了岩石在峰值荷载变形条件下的松弛试验及峰值荷载前的加卸载试验。
The bending of simply supported magnetoelectroelastic beam under uniform load treated as plane stress problem is investigated.
对磁电弹性材料构成的两端简支梁，在均布荷载作用下的弯曲问题按平面应力问题进行了研究。
When mixed into the same carbon fiber quantity is 1.0%, differ age material's AC impedance chart is discrepancy very much, along with to hydrate age's add, C-S-H gel isa great deal of form, the solution resistance at the concrete is gradually aggrandizement, the carbon fibre of here qua transmit electricity quality disperse would leading effect of conductance, along with the add of exterior load, the transmit electricity quality of concrete is almost nothing change, till breakage, resistance change rate tempestuousness add, and that the resistance change rate along with inside stress linearity add of corbon fibre concrete in elasticity phase, when near peak value load, resistance rate just gradually add, indicate the test sample would be about to breakage.
当碳纤维体积掺量同为1.0%时，不同龄期材料的交流阻抗谱相差很大，随着水化龄期的增长，C-S-H凝胶大量形成，水泥基材料中的溶液电阻逐渐增大，此时作为导电性分散相的碳纤维将起电导的主导作用。随着外部荷载的增加，基准水泥基材料的导电性几乎无变化，直到破坏时，电阻变化率剧烈增大，而碳纤维水泥基材料在弹性阶段其电阻变化率随内部应力线性增加，当接近峰值荷载时，电阻率才逐渐增大，预示试件即将破坏。
So, we load and stretch the welding components after welding can make tensible stretching deformation, by which the residual stress will also decrease.
因此，焊后对焊件进行加载拉伸，产生拉伸塑性变形而残余应力也随之减小。
These members are susceptible to the effects of pre-stress in the steel tube due to construction load.
钢管初应力对钢管混凝土工作性能的影响已成为工程界关心的热点问题之一。
The economy and safety of double curvature arch dams under the static load were comprehensively considered. The dam volume, the maximum principle tensile stress, and the integral strain energy were regarded as the economic objective function, the local safety objective function, and the integral safety objective function, respectively. On such a basis, a tri-objective optimization design model for high arch dams was established.
综合考虑静力荷载作用下双曲拱坝的经济性与安全性，采用坝体体积作为经济目标函数，坝体最大主拉应力作为拱坝局部区域的安全目标函数，整体应变能作为拱坝整体安全目标函数，建立高拱坝体型的三目标优化设计模型。
In the case of cracking under primary tension, the bigger the gravity stress is, the higher the cracking load rises.
在主拉应力破坏的条件下，结构的破坏荷载随重力的增加而增大。
By the method and procedure in this paper, the stress and strain of supporting structure are studied under the condition of different heaped load, excavation depth, excavation separatrix location and soil mass condition.
利用本文的计算方法及程序，分别计算分析了外加荷载不同、开挖深度不同、挖深分界不同、两侧土质不同等四种情况下支护结构的内力和变形。
Based on the analysis of cyclic fatigue load and the stress of gear shaft, the reason of the shaft fracture is discussed.
通过对齿轮轴进行循环疲劳加载和应力分析，我们对轴的断裂进行了探讨。
The factors of influencing the thermal load and thermal stress at the peril point of hot forging die were analyzed.
分析了影响热锻模热负荷与危险点处热应力的因素。
METHODS: Two epoxy resin models of normal and severe attrition occlusion were employed as simulating model in determining the stress distribution in apical area under 2.0kg vertical load. The values and directions of main stress were both considered.
采用透明环氧树脂复制相同牙排列而成的正常牙合及重度磨耗牙合的下颌模型，2.0kg垂直加载后，在国产409-II型投影式光弹仪上观察测量各牙根尖主应力的大小与方向。
In is it load function to lean towards, bridge panel horizontal stress distribute even coefficient along bridge relatively heavy change having vertical, especially in step sectional sudden change office seem more obvious, should be paid attention to in the design.
在偏荷载作用下，桥面板横向应力分布不均匀系数沿桥纵向的变化比较大，尤其在边跨截面突变处显得更为明显，在设计时应予以重视。
The article anaylses the skew arch roofing s bend stress under symmetry and unsymmetrical loads, calculates the skew arch roofing critical load under the symmetry and unsymmetrical loads, the result indicates the skew arch roofing s resistance, and stability are sufficient for its use.
分析了在对称和非对称载荷作用下斜拱型屋面弯曲应力，计算了在对称载荷和非对称载荷作用下斜拱型屋面临界载荷。计算结果表明，斜拱型屋面强度足够，稳定性足够
Changes in the vertical distance produce different effects of stress on edentulous jaw under the same load.
在同等载荷情况下，垂直距离的改变对无牙颌各区域产生不同的应力效果。
In this paper, interval models in the convex models are used to describe the parameters having uncertain but boundary limits such as stress and load. The shortest distance from coordinate origin to failure surface in the expand space of standardized interval variables is chosen as the non－ probabilistic reliability index.
将具有不确定且有边界限制的应力、载荷等用凸模型中的区间模型来描述，取在标准化区间变量的扩展空间中，从坐标原点到失效面的最短距离作为非概率可靠性指标。
Some traveller who were the first time reach the plateu might be too happy to notice his/her altitude stress, if someone does jump and run in the entrance of Tanggula, his/her heart might be over-load so that he might be in shock.
初上高原的游客，有时因过度兴奋而不觉得有高原反应，如在唐古拉山口又蹦又跳，会导致心脏负荷过载而休克。
The pile foundation is one of the ideal foundations which is used widely in cities currently. With the huge bearing capacity, it can resist the complex loads, minish the settlement of the foundation and the superstructure, as well as stand against the additional stress and deformation caused by the traffic movable load and circulating load.
桩基础是目前城市中广泛使用的理想基础形式，它有着巨大的承载潜力，能抵抗复杂荷载，减小基础的沉降和上部结构的不均匀沉降，同时能够抵抗在长期的车辆动载和循环荷载作用下所产生的附加应力和变形。
We discuss the changes which are impacted by load and speed in the law of structure stress, strain and displacement under movable invariable load and harmonic loads without considering horizontal force.
在不考虑水平力因素的情况下，分别讨论两种荷载模型作用方式下，轮载和车速对结构应力、应变和位移的变化规律。
Biot`s consoildation; finite layer; nonlinear elastic; dynamic effect stress; Generlized load transfer function; pile foundation; pit foundation; settlement prediction; Possion curve; field measurements
比奥固结；有限层；非线性弹性；动态有效应力原理；广义荷载传递函数；桩基工程；基坑工程；沉降预测；泊松曲线；现场测试
The research of instability has achieved a lot of results and solved a lot of practical problems. But the solution and mechanism for dynamic buckling of cylindrical shells in the effect of coupling stress wave is very hard to research, especially for non-axisymmetric buckling in symmetric structure and load.
目前虽然已有大量的研究成果并解决了不少的实际问题，然而在耦合应力波效应下研究圆柱壳的动态屈曲问题是困难的，特别是在对称结构和载荷下的非轴对称屈曲问题。