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多轴疲劳试验
相关语句
  multiaxial fatigue experimental
    MULTIAXIAL FATIGUE EXPERIMENTAL APPARATUS OF CONCRETE AND RELEVANT TECHNICS
    混凝土多轴疲劳试验系统与试验技术
短句来源
    This paper is concerned with the design and development of a multiaxial fatigue experimental apparatus for concrete and relevant experiment technics,which has reached the world advanced level in this field.
    介绍了一套具有世界领先水平的混凝土多轴疲劳试验系统以及相关试验的关键技术。
短句来源
  “多轴疲劳试验”译为未确定词的双语例句
    Chapter 2 is devoted to presentation of multiaxial fatigue experiment system for concrete.
    第二章介绍了混凝土多轴疲劳试验系统的组成;
短句来源
    Relevant key experiment techniques, including experiment design and operation of the system, are also discussed according to the author's experience from practical experiment.
    并根据在试验过程中使用和改造混凝土三轴疲劳实验系统的经验,总结了混凝土多轴疲劳试验的几个技术要点,包括试验设计要点和试验操作要点。
短句来源
    In the first part of this thesis the experiment system is stated, and some key experiment techniques such as the methods to determine the initial strength, technique to measure the fatigue damage are studied.
    然后对有关混凝土多轴疲劳试验中确定试件初始强度的方法、试验中注意问题、疲劳损伤测量技术等进行了分析研究。
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There are a lot of similar data in specimens of concrete multiple axes fatigue tests. On the other hand, concrete fatigue test data scatter greatly, so many of conventional fitting equation methods are not suitable to this kind of sspecial pnoblems. This paper studies and compares the mended whole instances of fitting question of multiple linear or nonlinear of linear based on least squares method, and brings forwarda selecting method for all possible fitting equations, and finds R-estimation used in a kind...

There are a lot of similar data in specimens of concrete multiple axes fatigue tests. On the other hand, concrete fatigue test data scatter greatly, so many of conventional fitting equation methods are not suitable to this kind of sspecial pnoblems. This paper studies and compares the mended whole instances of fitting question of multiple linear or nonlinear of linear based on least squares method, and brings forwarda selecting method for all possible fitting equations, and finds R-estimation used in a kind of special problem fitting as concrete fatigue in the end; the next step is to find out singular values by better fitting equations, then to analyse reasons, so that the next step test can be done better or singular values can be availably disposed.

混凝土多轴疲劳试验样本因其含有大量的重复数据和试验数据离散性极大,因此许多传统的方程拟合方法都不适于这类特殊问题。对基于最小二乘法的多元线性或可化为线性的非线性拟合问题,对一切可能方程的求法进行了改进,并对各种方法进行了全面比较研究,最后找到了适用于混凝土疲劳这一类特殊问题拟合的R估计方法。利用相对较好的拟合方程查找异常值,然后据此分析异常值产生的原因,从而指导进一步的试验或者对异常值进行有效处理。

This paper is concerned with the design and development of a multiaxial fatigue experimental apparatus for concrete and relevant experiment technics,which has reached the world advanced level in this field. The apparatus consists of four parts: control system,loading system,data collecting system and cooling system. The relevant experiment technics including experiment design,operation of the machine and measurement of fatigue parameters are presented.

介绍了一套具有世界领先水平的混凝土多轴疲劳试验系统以及相关试验的关键技术。该系统包括控制系统、加载系统、数据采集系统和液压源与冷却系统等;试验技术有试验设计、试验操作和参数的测量等几个方面。

 
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