长细比

Based on the single fiber axisymmetrical and three dimensional models of an aligned short fiber reinforced metal matrix composite, the effect of varied fiber aspect ratio on the mechanical behavior of this composite is analyzed by the elasto-plastic finite element method.

在单向短纤维增强金属基复合材料的单纤维轴对称和单纤维三维细观力学模型的基础上，利用弹塑性有限元分析方法，研究该类复合材料中短纤维长径比的变化对材料整体力学行为的影响。

Influences of the CFRP confinement index and the slenderness radio on the load bearing capacity of the concentrically compressed concrete filled CFRP-steel tube columns are analyzed.

分析了CFRP约束效应系数和长细比对CFRP钢管混凝土轴压柱承载力的影响。

The analytical and numerical results show that the deflection change caused by crack is increasing with the decrease of slenderness ratio or the increase of eccentricity.

理论分析和数值结果表明：在其它条件不变的情况下，柱的长细比越小或偏心距越大，裂纹引起的挠度增量越明显。

And the effects of temperature, slenderness ratio, section forms of rods and material characteristic on stability behavior were discussed.

根据弹性稳定理论研究了变截面杆在火灾环境下的静力特性问题，导出了火灾条件下变截面杆件的静力稳定临界荷载和临界长度计算式，讨论了温度、长细比、杆件截面形式、材料特性等因素对杆件稳定临界荷载和临界长度的影响。

The effects of the confinement index, the section steel index and the slenderness ratio on the mechanical properties of the composite column are discussed.

通过13根组合柱的轴心受压试验，研究了钢骨钢管高强混凝土组合柱的工作机理、延性和极限承载力，讨论了影响这种组合柱性能的主要因素，包括套箍指标、配骨指标和长细比等。

Total of 16 CFST dumbbell shape d columns subjected to eccentric loads were tested with variation of slenderness ratio and eccentricity ratio.

以长细比和偏心率为参数，进行了共16根钢管混凝土哑铃形偏压柱的试验。

A total of 22 four-tube Concrete Filled Steel Tubularlaced columns are tested,with the experimental parameters being slenderness ratio and eccentricity.

进行共计22根四肢钢管混凝土格构柱的极限承载力试验，试验参数为长细比和偏心率。

Based on the strengthening principles, the intensity of bar is increased with methods of unloading and FRP. The Approach of changing structures force system-additional braces is used to change the slenderness ratio of bars.

依据钢结构加固原理，采用了卸载加固和碳纤维加固的方法来增大杆件的强度，采用改变结构受力体系的方法——增设附加支撑来改变杆件的长细比。

Using the SAP2000 finite element program, structure models are designed according to different slenderness ratio limitations and manners in checking bearing capacity of the bracing member firstly in this paper.

本文首先利用有限元软件SAP2000，按照不同长细比限值和不同支撑承载力验算方法设计了相应的结构模型。

But because of its big slenderness ratio, smaller rigidity and damping, it is easy to cause a larger vibration in the windload and iceload function and so on, mast structure destruction accidents frequently occurred, has caused engineering and academic circles\\\s concern, this article summarizes the main structure damage diagnosis methods, carrys on preliminary dynamic analysis and the time-frequency distribution analysis with the vibration signal to the mast structure, and proposes the signal processing method is a appropriate method on the diagnosis to the mast damage.

但是，由于桅杆结构长细比很大，刚度、阻尼较小，在风荷载、裹冰荷载等作用下容易产生较大幅度的振动，桅杆结构的破坏事故时有发生，引起了工程界和学术界的重视，本文总结了几种主要的结构损伤诊断方法，并对桅杆结构进行了动力分析和振动信号时频分析，并提出信号处理的时频方法对桅杆损伤进行诊断比较合适的。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。