| 具有水平摩阻力的弹性地基上双层叠合梁的解 |
| |
| 引用本文： | 张海华,熊军,谈至明.具有水平摩阻力的弹性地基上双层叠合梁的解[J].力学与实践,2011,33(4):33-37. |
| |
| 作者姓名： | 张海华 熊军 谈至明 |
| |
| 作者单位： | 1. .天津市市政工程设计研究院;2. 天津市市政工程设计研究院;3. 同济大学道路与交通工程系; |
| |
| 摘 要： | 将双层叠合梁之间的接触状况拟合为一符合Goodman假设的弹性夹层, 并对
Winkler地基模型加以推广, 把地基视为具有水平和竖向反力的弹性支承体, 进而, 导出
具有水平摩阻力的弹性地基上双层叠合梁的微分方程组及其解析解. 随后, 提出了考虑梁截
面竖向拉压和水平剪切效应的夹层和地基广义反应模量的概念和计算式. 最后, 通过几个算
例来考察地基水平摩阻力对叠合梁挠度、截面总弯矩力和最大弯拉应力的影响. 结果表明,
地基水平摩阻力的影响将不能被忽略.
|
| 关 键 词： | 双层叠合梁 弹性地基 水平摩阻力 |
| 收稿时间： | 2011-02-13 |
BI-LAYER BEAMS ON ELASTIC FOUNDATION WITH HORIZONTAL FRICTIONAL RESISTANCE |
| |
| ZHANG Haihua XIONG Jun TAN Zhiming.BI-LAYER BEAMS ON ELASTIC FOUNDATION WITH HORIZONTAL FRICTIONAL RESISTANCE[J].Mechanics and Engineering,2011,33(4):33-37. |
| |
| Authors: | ZHANG Haihua XIONG Jun TAN Zhiming |
| |
| Institution: | ZHANG Haihua~(*,1) XIONG Jun~* TAN Zhiming~ *(Tianjin Municipal Engineering Design and Research Institute,Tianjin 300051,China) (Tongji University,Shanghai 200092,China) |
| |
| Abstract: | Based on Goodman model,which is used for simulating the contact condition between beams,using Winkler foundation model upgraded as an elastic supporting body with horizontal and vertical forces,a set of differential equations and relevant theoretical solutions for bi-layer beams on the elastic foundation with the horizontal frictional resistance are obtained.Considering the vertical tension and compression and the horizontal shear of beams,a concept of the generalized reaction modulus for interlayer & found... |
| |
| Keywords: | bi-layer beam elastic foundation horizontal frictional resistance |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《力学与实践》浏览原始摘要信息 |
| 点击此处可从《力学与实践》下载免费的PDF全文 |
|
