According to the equivalent relationship of the seepage discharge to the volumetric change, the equations for the consolidation of composite ground with piles were derived using the concept of average excess pore water pressure, and the consolidation deformation of pile was considered. Through the initial and boundary conditions of the composite foundation and the assumption of the equal strain, the equations were solved by separation of variables.
根据桩体复合地基固结的特点，将整个桩截面和桩周土截面作为一个研究单元考虑，根据固结过程中孔隙水排出量等于单元体体积减小量的关系和平均超孔隙水压力的概念，推得了考虑桩体的固结变形的桩体复合地基的固结方程。
For this purpose, many new materials (such as carbonylic composite material and ceramics) have been manufactured. So the study of material character in the terrific conditions, especially the precise measurement of the strain and stress, becomes very urgent.
为适应这种需要，人们研制了多种新材料（如碳基复合材料、陶瓷等），而这些构件在恶劣环境中的应变、应力等材料性能的精密测试就成为急需解决的问题。
With the development of aerial and aerospace industry, many aerial and aerospace components are needed to work in some terrific conditions (such as high temperature, high pressure, vacuum and toxic gas). For this purpose, many new materials (such as carbonylic composite material and ceramics) have been manufactured. So the study of material character in the terrific conditions, especially the precise measurement of the strain and stress, becomes very urgent.
中文题名复合材料高温形变视觉检测技术研究副题名外文题名 The research of vision measurement technology on the composite material deformation at high temperature 论文作者耿涛导师强锡富学科专业精密仪器及机械研究领域研究方向学位级别博士学位授予单位哈尔滨工业大学学位授予日期2003 论文页码总数107页关键词复合材料材料变形碳基复合材料视觉测量馆藏号BSLW /2003 /TB332 /22 航空航天业的飞速发展，要求航空、航天器的许多构件在高温及其它恶劣环境（如高压、真空、有害气体）中工作。
To this end the left-hand terms are set equal to the total strain energy expressed in terms of the applied stress and the compliance tensor of the composite, Noting that is constant in ellipsoidal fibers with a volume fraction Vf, we can show that
方程式2.102是计算复合材料弹性模量影响的有效基本公式。最后，在复合材料的默认张量和实际压力条件下，根据左手定则规定可同等表示出总应变能。带有大量小片段的椭圆纤维体没有一个是常量，我们可以得到
Prefatigue (σ mcσmax00MPa) at 1500℃ can improve tension strength, fracture strain and fatigue life of 3D-C/SJC composite, but in general, elastic modulus decreases.
同时，该材料的疲劳寿命随着应力比的增大和频率的降低而减小，即该温度下对蠕变较为敏感。
But as a composite pile, the affection on whole capacity, stress and strain of soil with different length of core pile have not known well.
但关于不同长度的芯桩对劲性搅拌桩整体受力性能及土体的应力应变影响尚缺乏研究。
In this paper, based on piezoelectric ceramic, composite and experimental mechanics theories, a kind of 1-3 orthogonal anisotropic PCM sensor is developed, and the sensing principle is analyzed to describe sensor behaviors. In order to determine strain and stress on isotropic or orthogonal anisotropic component surface, the relationships between strain and stress are established. The experimental research on 1-3 OAPCM sensor is carried out in uniaxial and biaxial stress states.
本文在压电材料基本理论、复合材料设计方法和实验力学的基础上，构造了一种1-3型正交异性压电复合材料传感元件，探讨了它的传感原理，推导了该种元件的传感方程和用于各向同性材料／正交各向异性材料构件表面测量的应力－应变关系，并在单向和双向应力状态下，进行了实验研究。
Through the plane strain finite element method, the behavior and mechanism of gravel pile with geogrids are studied and some useful functions of the geogrids are found in the composite subsoil.
结果显示土工格栅在其中起到类似抗拉膜的作用，从而控制地基的不均匀沉降，减小路堤坡脚附近的侧向位移，增加路基的极限承载能力。
Experimental results indicate that the strain in composite structures can be suppressed effectively.
实验结果表明构件的应变幅值得到了有效的抑制。
The tensile modulus and compressive modulus of the composite increase with the rise of strain.
凝胶复合材料的拉伸模量和压缩模量随应变的增加而增加。
The nonlinear hybrid stress finite elements are formulated for the composite materials in which the in-plane shear stress and strain obey a nonliner relationship.
推导了面内剪应力应变关系非线性的复合材料的杂交应力有限元列式，给出了位移迭代和应力迭代的策略和步骤。
Objective: To determine the composite rough strain bacteria function best formulation, developed in line with the industry standard composite fertilizer, compound microbial fertilizer to determine the quality standards of solid agents.
中文摘要：目的：粗略确定复合菌肥功能菌的最佳配方，研制出符合行业标准的复合菌肥，确定微生物复合菌肥固体菌剂的质量标准。
Those problems mainly include the following difficult problems: firstly, contact measurement technique such as strain tablet will not be suited to be applied to measure large deformation under biaxial conditions; Secondly, since centers of horizontal and vertical axes must keep superposition all the time during biaxial tensile tests, it is easy to adjust positions of axes for general materials, however it is very difficult to achieve synchronous adjustment of large deformation cord/rubber composite at two directions; Lastly, problems of synchronous collection and processing of data、clamp of flexible specimens and so on.
首先是在双向受力条件下的大变形测量问题，在工程以及研究工作中常用的应变片等接触测量技术，对帘线／橡胶复合材料已完全不能适用；其次在双向大变形试验过程中试件的纵横中心线的中点必须始终保持重合，对于常规材料，由于变形很小，这种调整比较容易，但要实现大变形帘线／橡胶复合材料两个方向的同步调整则十分困难；最后是数据同步测量与采集以及柔性试片的夹持等困难。
Finite element analysis of duality disturbance is carried out for a three-dimensional composite member with strain softening.
目的 对具有应变软化的三维复合材料构件进行二元扰动有限元分析。
Based on the program of MARC, the paper use FEM of plane strain to research the performance of composite foundation under flexible uniform load and embarkment load.
本文运用MARC软件，将平面问题有限元法用于柔性均布荷载及路堤荷载作用下复合地基性状的研究。
From the experimental results, it was shown that FBG sensors can be successfully embedded into the composite structures to monitor strain and temperature simultaneously, which can check the health status of spacecrafts under low earth orbit over long-term mission time.
从实验结果中，可以得出，FBG传感器可成功埋入合成物结构中实现温度和应变的同时测量，从而实现在飞行物长期执行任务的过程中的健康状况监测。
E. According to the theory of anisotropic laminate, study the stress distributions of bamboo wood composite container floorings on linear elastic stress-strain relation and elasto-plastic stress-strain relation respectively.
依据各向异性层合板的强度理论，分析了竹木复合集装箱底板基于线弹性应力-应变关系和弹塑性应力-应变关系的应力分布，推导了考虑底板各层产生压缩屈服时中性轴的偏移量的估算公式。
The preparation methods of a novel carbon fiber-cement matrix composite strain sensor is investigated.
本文探讨了碳纤维－水泥基复合材料应力传感器的制备，对其性能与碳纤维含量的关系进行了实验研究，并对实验结果作了理论上的探讨与分析。
Based on the single particle representative volume element of particle reinforced composites, the monotonic tensile stress-strain curve and uniaxial ratcheting behavior of SiCP/6061Al alloy composites were numerically simulated by using finite element code ABAQUS and considering different particulate shapes, and the effect of particle shape on the ratcheting of the composite was discussed.
在细观有限元模型基础上，利用ABAQUS有限元程序对具有不同颗粒形状(球形、立方体、短棱柱和短圆柱)的SiCP/6061Al合金复合材料的单调拉伸行为和单轴棘轮行为进行数值模拟，讨论颗粒形状对复合材料棘轮行为的影响。
Based on perfectly rigid plastic theory of metal and elastic fracture theory of composite, by including the influence of the material strain rate effects on metals, an energy absorption model was proposed for a compound diamond mode in the impact loading.
基于刚塑性理论，考虑到金属材料应变率效应，建立了撞击载荷下发生非轴对称模式破坏的复合管的能量吸收模型。