抗弯刚度

中空夹层钢管混凝土柱是近十几年来发展起来的一种新结构构件，它具有抗弯刚度大、承载力高、塑性和韧性好、施工方便等一系列优点。

The past 10-odd years has witnessed the development of the concrete-filled double skin Steel tubular ( CFDSST ) . As a new kind of structure , it enjoys a series of advantages such as high flexural rigidity , high bearing capacity , good plasticity and toughness and convenient construction .

描述了抗弯刚度的测定机理。

Testing mechanism of flexural rigidity is described .

平面K型管板节点抗弯刚度及节点板稳定承载力研究

Research on the Bending Rigidity and Gusset Plates Stability of Tube-gusset K-joints

单层网壳X型圆管节点平面外抗弯刚度的参数分析与计算公式

Parametrical analysis and design formulas for out-of-plane bending rigidity of CHS X-joints

板式家具的角部结合性能严重影响着其整体的力学结构性能，强度和模拟抗弯刚度（EI）是衡量角部结合性能高低的两个重要指标。

And the strength of panel-type furniture is influenced by the property of corner joints .

考虑表层抗弯刚度影响的夹层板静力学等效分析脉管制冷机的等效P-V图

Equivalent analysis for static behavior of sandwich plates with flexural stiffness of surface layer

根据三段式简化模型，引入△P的等效简化式，对墩柱开裂抗弯刚度提出简化公式。并进一步验证了简化公式的正确性。

Based on the three-phase simplified model , in order to provide a simplified formula of bending stiffness of the pier for cracking , the equivalent simplified of △ P-type is introduced , and the correctness of the simplified formula is verified further .

分析表明：在钢筋屈服后，CFRP加固钢筋混凝土梁在后期抗弯刚度、延性和极限承载能力方面均有增强；

The results show that after yielding of the reinforcement bar , the late bending rigidity , ductility and ultimate beating capacity of the beams are all strengthened .

首先试验研究Z型钢檩条搭接连接采用粘结连接与传统连接方式的受载特性，重点考察檩条搭接段的抗弯刚度与极限承载力。

First , an experiment is carried out to investigate the loading characteristics of lapped Z-purlins with the bonding connections or the traditional bolt connections , focusing on the bending stiffness and ultimate loading capacity .

ISO-834标准火灾作用后钢管混凝土的轴压刚度和抗弯刚度

Axial and flexural stiffness of concrete-filled steel tube after exposure to ISO-834 standard fire

结果表明，FRP加固后梁的承载力和抗弯刚度得到显著提高，延性却有所降低，可以通过增加纤维布的长度来改善这种缺陷。

The research results indicate that the bearing capacity and flexural stiffness of reinforced beam were markedly improved . However , its ductility was reduced , but this defect can be improved by increasing the length of FRP .

结果表明，凝固进程中所形成的热弯矩M及铸件的抗弯刚度EJ是形成挠曲变形的主要原因。

The model indicates that the key factors leading to the deflection deformation are the thermal bending moment M and the flexural rigidity EJ formed in solidification process .

混沌的产生来源于抗弯刚度的微幅周期变化.基于Kirchhoff动力学比拟理论列写弹性杆的平衡方程。

The equilibrium equations of the rod were written on the basis of Kirchhoff 's kinetic analogy . The chaos was caused by the small periodic variation of the bending stiffness of the rod .

等效抗弯刚度的提出为高承载FGM等热应力缓和以外的梯度功能材料的组成分布和结构设计提供了一条新途径。

The introduction of the equivalent flexural rigidity provides a new approach for the compositional distribution and structure design of FGMs beyond thermal stress relaxing type such as high high load - bearing capacity FGMs .

研究表明：（1）CFRP板加固损伤钢梁可以使其承载能力、抗弯刚度、延性得到很好恢复，采取这种加固方式的可行性得到了有效的验证。

Research shows : ( 1 ) CFRP plate reinforcing the injury steel beam can make its carrying capacity , bending stiffness , ductility to obtain the very good recovery , adopting the feasibility of strengthening modes is effectively validated .

PC-DCP固定的抗弯刚度稍大于DCP，抗扭刚度较DCP稍降低，但两者之间差异均无显著性（p>0.05）。

Whether there was a bone gap or not , no significant differences in bending and torsion stiffness were seen between the two experimental plates ( p > 0.05 ) .

利用梯度功能材料梁的等效抗弯刚度概念可计算外载作用下FGM梁滑梯度方向的应力分布，从而可方便地评价FGM的承载能力。

The stress distribution along the gradient direction under external loading for FGM flexure beams could be calculated hy using the concept of the equivalent flexural rigidity , as a result , the load - bearing capacity for FGMs could be easily evaluated .

试验结果表明，HPF加固能有效提高RC梁的抗弯刚度、抑制裂缝的产生和发展；加固梁的二次受力刚度随一次受力幅度的不同而有不同程度的折减。

The test results show that the HPF technology can effectively improve the bending stiffness of BS and suppress the appearance and expansion of the crack . The bending stiffness of BS subjected secondary load reduces more or less owing to the different once loads .

与普通RC梁相比较，CFL增强RC梁的裂缝分布较均匀、密集，粘贴CFL对增强梁的初始抗弯刚度提高幅度较小，对疲劳损伤阶段的抗弯刚度则提高了约一倍。

Compared with the normal RC beams under cycle loading , CFL strengthened RC beams scatter more symmetrical and denser cracks . And external bonded CFL increases the original bending rigidity of strengthened beam a little , but doubles its bending rigidity at fatigue damage stage .

以Fe-Mn-Si合金距梁下边缘距离和相同面积下梁的截面高度为设计变量，以梁的抗弯刚度为目标函数，利用遗传优化算法求得最优点及最优解。

Taking the bottom edge distance of Fe-Mn-Si alloy beam and cross-section height of beam with the same area as design variables , using the flexural rigidity of the beam as objective function , The optimal point and the optimal solution can be obtained by adopting genetic optimization algorithm .

本文介绍在DCS-500型万能材料试验机上，进行说明书规定项目以外的三种特殊测量方法：粘着力测量、织物压缩性试验和抗弯刚度测量；

This paper presents some special methods for measuring cohesion and flexural rigidity of textile fibers and the fabric compression tests made on the Japanese-made DCS-500 Universal Testing Machine which are not the conventional ones mentioned in its manuel .

基于Hoff型夹层板理论，推导了夹层板广义的应力-应变关系式，得到了等效板的弹性常数，从而建立了考虑表层抗弯刚度的夹层板静力学等效模型。

A method of equivalent analysis for statics behavior of sandwich plates was obtained by using Hoff sandwich plate theory , and generalized correlated equations between the stress and strain were derived for the sandwich panel , and equivalent stiffness constants of an equivalent plate were given .

单管钢塔理想插接节点的抗弯刚度研究

Research on Flexural Rigidity of the Ideal Slip-joint of Steel Monopole

地震作用下钢筋混凝土桥墩有效截面抗弯刚度

Flexural stiffness of equivalent section of RC piers subjected to earthquakes

盾构隧道管片接头抗弯刚度的经验公式

Empirical formula for bending stiffness of shield tunnel segment joint

圆钢管轻集料混凝土抗弯刚度计算方法的探讨

Calculations of flexural stiffness of lightweight aggregate concrete filled circular steel tube

圆钢管相贯节点抗弯刚度和承载力实验

Experiments on Bending Rigidity and Resistance of Unstiffened Tubular Joints

层状岩体抗弯刚度及其软弱夹层效应

The Bending Rigidity of Bedded Rock Mass and Effect of Weak Intercalations

高温下梁的抗弯刚度的非线性分析

Nonlinear analysis of the flexural rigidity for RC beams at elevated temperatur

钢管混凝土抗弯刚度的分析及应用

Analysis and Application of Flexural Stiffness for Concrete-filled Steel Tubes