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   elastic range 的翻译结果: 查询用时:0.202秒
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elastic range     
相关语句
  弹性范围
     Explanation of Equivalent K and δ Conversion in Linear Elastic Range
     等K与等δ换算在线弹性范围内之说明
短句来源
     A Mathematical Theory of Materials with Elastic Range and the Definition of Back Stress Tensor
     带弹性范围物质理论和背应力定义
短句来源
     This paper deals with the strength criterion for the hoisting equipment of a rig, measuring the stresses of the hook body capably loaded 500 short tons and conducting its three dimensional finite element calculation, in the linear elastic range, and further conducting its destructive test in the ela-stoplastic range and the calculation of its limit loaded capacity.
     本文围绕钻机提升设备强度判据式这个问题,对500短吨(450吨)大钩钩身开展了线弹性范围内的应力测试及三维有限元电算,同时又进行了弹塑性范围内的破坏性试验及极限承载能力计算。
短句来源
     Besides the member having maximum stress is still in elastic range and will not affected by material nonlinearity.
     线性与非线性分析结果的对比表明,在设计荷载工况下,结构的内力及变形受结构的几何非线性影响较小,且杆件的最大应力仍处于弹性范围内,不受材料非线性的影响。
短句来源
     A 1/2-scale frame model of dynamic soil-pile-structure interaction was designed and manufactured,and the tests of its steady state excitation in elastic range were carried out.
     设计并制作了一个土桩上部结构动力相互作用1/2比例框架模型,并对模型进行了弹性范围内的顶部稳态激振试验.
短句来源
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  弹性阶段
     In conventional pile foundation design theory, piles work at the elastic range and upper loads are fully shared by piles.
     传统的桩基础设计理论考虑桩工作在弹性阶段,上部荷载完全由桩来承担。
短句来源
     This thesis is on the energy dissipation effect of unbonded prestressed concrete frames within elastic range.
     主要对无粘结预应力混凝土在弹性阶段的耗能效应进行理论研究。
短句来源
  弹性范围内
     Explanation of Equivalent K and δ Conversion in Linear Elastic Range
     等K与等δ换算在线弹性范围内之说明
短句来源
     This paper deals with the strength criterion for the hoisting equipment of a rig, measuring the stresses of the hook body capably loaded 500 short tons and conducting its three dimensional finite element calculation, in the linear elastic range, and further conducting its destructive test in the ela-stoplastic range and the calculation of its limit loaded capacity.
     本文围绕钻机提升设备强度判据式这个问题,对500短吨(450吨)大钩钩身开展了线弹性范围内的应力测试及三维有限元电算,同时又进行了弹塑性范围内的破坏性试验及极限承载能力计算。
短句来源
     Besides the member having maximum stress is still in elastic range and will not affected by material nonlinearity.
     线性与非线性分析结果的对比表明,在设计荷载工况下,结构的内力及变形受结构的几何非线性影响较小,且杆件的最大应力仍处于弹性范围内,不受材料非线性的影响。
短句来源
     A 1/2-scale frame model of dynamic soil-pile-structure interaction was designed and manufactured,and the tests of its steady state excitation in elastic range were carried out.
     设计并制作了一个土桩上部结构动力相互作用1/2比例框架模型,并对模型进行了弹性范围内的顶部稳态激振试验.
短句来源
     Based on the Xiaojinkou double-arch tunnel engineering of the Guanghui highway, taking geometric similarity ratio Cl=25 and bulk density similarity ratio Cγ=1 as basic similarity ratio and grouping according to class of surrounding rock, so as to achieve complete similarity of various controlled physical and mechanical parameters in the elastic range and strictly simulate the characteristic of surrounding rock, physical property, original earth stress field, stiffness of support structures and support time, excavation process .
     论文以广惠高速公路小金口双连拱隧道工程为背景,以几何相似比C_L=25容重相似比C_γ=1为基础相似比,以围岩类别进行分组,实现在弹性范围内各控制性物理力学参数的全相似性,对围岩特征、物性、原始地应力场、支护结构刚度和支护时机、开挖步骤进行了严格的相似模拟,完成了Ⅱ、Ⅲ类围岩中,中导坑.
短句来源
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  “elastic range”译为未确定词的双语例句
     4. Through systemic experimental research, it is found that Poisson's ratio is nearly constant in the elastic range of RPC. The typical value of secant Poisson's ratio is 0.19. Also, RPC200 failure shapes and deformation process under uniaxial compression has been studied by academic analysis.
     4.通过试验研究,在RPC混凝土弹性工作区内,泊松比基本保持稳定,得出割线泊松比代表值为0.19,理论分析了RPC200单轴受压破坏形态和变形过程。
短句来源
     The paper puts forward the reasonable section (m=h/b) designing method that thinks beading strength and stability for the elastic range steel-beam in rectangle.
     从弹性矩形截面梁的抗弯强度和整体稳定着手,提出了梁的合理截面(m=h/b)设计的查表法。
短句来源
     The products are transparent thermoplastic elastomers with excellent film-forming guality and broad elastic range ( - 12°-+ 210℃) .
     产物为透明的热塑性弹性体,具有良好的成膜性能、力学性能和宽阔的弹性区(-120℃~+210℃)。
短句来源
     Studies indicate that this structure possess good integral working capacity and remains in elastic range under 1. 5 times the design load.
     研究表明,预应力张弦梁具有良好的整体工作性能,在1.5倍设计荷载下结构仍处于弹性工作状态。
     Since we used three gauges in one shot to record velocity profiles at different locations,so the Hugoniot data up to 3.6GPa (as in elastic range) was also obtained.
     由于采用多个计进行记录,还得到了材料在弹性区内(1.8~3.6 GPa)的Hugoniot冲击绝热线。
短句来源
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  elastic range
Specifically, with slender-body theory, moduli for materials containing dilute dispersions of aligned inclusions of slender, but otherwise arbitrary, axial geometry are found for the "elastic" range,
      
The results of the computations are verified by comparison with analytical solutions in the elastic range as well as with analytical elastic-plastic solutions employing Tresca's yield criterion available in the literature.
      
In particular, hours elasticities are in the elastic range.
      
The cooling and heating of a specimen, accompanying the loading and unloading, respectively, in the elastic range, are shown to affect plastic strain readings in a manner not considered by other investigators of microplasticity.
      
Furthermore, this experimental technique enables the determination of Poisson's ratio in the elastic range without any strain measurement.
      
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In this paper an analytic expression eq. (5) of the dynamic elastic response of an axisymmetric simply supported circular plate subjected to a transverse step-concentrated load is derived first. For materials with bilinear stress-strain relations (See Fig. 2),plastic strains expressed in terms of the deflection w will be treated as transverse equivalent loads. Then, using the elastic response obtained above, the partial differential equation of motion eq. (11) beyond the elastic range is solved by direct...

In this paper an analytic expression eq. (5) of the dynamic elastic response of an axisymmetric simply supported circular plate subjected to a transverse step-concentrated load is derived first. For materials with bilinear stress-strain relations (See Fig. 2),plastic strains expressed in terms of the deflection w will be treated as transverse equivalent loads. Then, using the elastic response obtained above, the partial differential equation of motion eq. (11) beyond the elastic range is solved by direct iteration with respect to w. Numerical calculations are made for materials with different strain-hardening rates and the results are with better regularity as shown in Figs. 4, 5, 7, 8 and 9.

本文首先求得了轴对称简支圆板受到横向阶跃-集中荷载作用下的弹性动力响应解析式。然后对于双线性应力-应变关系的材料,把塑性应变作为等效荷载,进而化成挠度w的表达式。利用已得的弹性响应,关于w直接迭代求解塑性偏微分动力方程。对具有不同应变硬化率的材料作了数值计算,所得的结果具有良好的规律性。

The characteristics in stress-strain relationship of sintered Chinese bauxites of thediaspore-kaolinite(DK)type have been investigated primarily by means of the torsionaltesting method.Experimental results indicate that: (1) In the low temperature range,the moduli of rigidity of all grades of sintered bauxite materials tend to increase withtemperature and the magnitude of modulus increased is dependent on the Al_2O_3 con -tent. (2) The stress-strain curves at different temperatures may be classified into threeparts,viz.,the...

The characteristics in stress-strain relationship of sintered Chinese bauxites of thediaspore-kaolinite(DK)type have been investigated primarily by means of the torsionaltesting method.Experimental results indicate that: (1) In the low temperature range,the moduli of rigidity of all grades of sintered bauxite materials tend to increase withtemperature and the magnitude of modulus increased is dependent on the Al_2O_3 con -tent. (2) The stress-strain curves at different temperatures may be classified into threeparts,viz.,the elastic range,the"slow flow"range and the"rapid flow"range, and corre-spondingly there are two transition temperatures, i. e., that from elasticity to(incipi-ent)plasticity and that from plastic flow to viscous flow.These transition temperaturesare also closely associated with the Al_2O_3 content,when the Al_2O_3 content is about 70%,these temperatures will be the highest.The order of resistance to strain of the materialsis:grade Ⅱ>grade Ⅰ> grade Ⅲ.The relationships between phase composition and micro-structure of the materials and their stress-strain behaviour are discussed.

本文采用扭转试验法等研究我国水铝石-高岭石型(DK 型)烧结高铝矾土材料的应力-应变特征。实验结果表明:(1)各等烧结高铝矾土材料在低温阶段则性模量都与温度并增;模量增加的幅度与材料Al_2O_3含量有关。(2)不同温度的应力-应变曲线可划分为三个阶段,即弹性阶段、慢速流动阶段和快速流动阶段;相对应地有两个转折温度,即由弹性到塑性的转折温度(T_P)和由塑性流动到粘滞流动的转折温度(T_V)。这两个转折温度也与材料的Al_2O_3 含量密切相关;当Al_2O_3 含量近70%时,两个转折温度最高。材料抗应变能力大小的顺序为Ⅱ等>Ⅰ等>Ⅲ等。还讨论了应力-应变特征与相组成和显微结构的关系。

The fluid-structure-pile-soil interaction has to be always considered in the dynamic analysis of fixed steel offshore platform. The piled structure offshore platform is a large complex structure system, which consists of a deck and equipments on it, resting on the top of a steel jacket. It is fixed to the seabed with a set of piles, which pass through the legs of the jacket and then insert into the soil. The dynamic forces applied on such a system include loads of wave, wind, current, operation, earthquake,...

The fluid-structure-pile-soil interaction has to be always considered in the dynamic analysis of fixed steel offshore platform. The piled structure offshore platform is a large complex structure system, which consists of a deck and equipments on it, resting on the top of a steel jacket. It is fixed to the seabed with a set of piles, which pass through the legs of the jacket and then insert into the soil. The dynamic forces applied on such a system include loads of wave, wind, current, operation, earthquake, etc. Of these, the wave loads are of most fundamental importance. For the fixed s ructure, velocity of which is comparable to that of water particles, the wave forces are non-linear. The piie-soil interaction can be represented by distributed springs, whose stiffness varies non-linearly acconding to p-y curves. In most of structural designs structural material is required to be in the elastic range under design loads. Howcver, during strong earthquake or storm some non-linear material behaviors without the collapes of the structure can be tolerated. In this paper it is showed that modal synthesis technique as well as modal superposition are extended in the study of non-linear dynamic response analysis of systems, subjected to regular wave loads. The forces can be computed from the given design wave, on wave theory. The direct step-by-step methods are adopted for gaining solutions of reduced non-linear dynamic equations. Non-linear forces are removed from the left of the equations to the right as pseudo force vectors. Thus it will considerably save computer storage and execution time. To date, there are only a few of reduction methods in non-linear dynamic analysis, so this work is of particular importance for large complex systems. Whose predicted non-linear responses are costly and time-consuming. Finally some examples of computer program DAPCS, which show the advantages and success of this method, are given.

固定式海洋钢结构平台必须考虑到流体—结构—桩—土的相互作用。桩基式海洋平台是一种大型复杂结构系统,通常包括平台及其上部设备并支持在导管架上,用一组桩通过导管架的腿打入土壤中把它固定在海底。作用在这一结构系统上的有波浪、风、流、设备运行、地震等动载荷。其中以波浪载荷为最重要。对于固定式结构,结构的速度相对于水质点速度不可忽略,因而使波浪力呈非线性性质。桩—土相互作用可用分布的弹簧来表示,其刚度变化根据p-y曲线呈非线性。大多数结构设计在设计载荷下材料处于弹性范围,但在强地震和风暴下允许材料进入非线性而不致结构破坏。本文将一种模态综合技术和模态叠加方法推广应用于研究这一系统的非线性响应分析,假设系统受到规则波作用,波浪力可由波浪理论对给出的设计波算出。采用直接积分法对减缩的动力方程求解,非线性作为伪力矢量移置到方程右端。这样大大节省了计算机存贮及机时。迄今为止,非线性系统的动力分析问题藏缩方法为数有限,由于预测大型复杂结构系统非线性响应耗费巨大的机时相价值昂贵,这一工作显得特别重要。最后由计算程序DAPOS给出的算例表明这一方法的优点并卓有成效。

 
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