|
|||||
|
|
| 混凝土徐变对连续组合梁内力的影响 | |
| 引用本文： | 刘文会,房亮,刘艳茹,李宏伟.混凝土徐变对连续组合梁内力的影响[J].吉林建筑工程学院学报,2008,25(4):25-27. |
| 作者姓名： | 刘文会 房亮 刘艳茹 李宏伟 |
| 作者单位： | 1. 吉林建筑工程学院交通科学与工程学院,长春,130021 2. 内蒙古兴安盟建发建筑有限责任公司,兴安盟,137400 3. 吉林省梅河口市建设局,梅河口,135000 |
| 摘 要： | 混凝土徐交对组合梁内力的影响与钢筋混凝土梁不同，表现为混凝土在徐变发展过程中。要受到钢梁约束的影响，导致混凝土本身交形与在相同温度和湿度等外界条件下的钢筋混凝土梁不同．笔者制作了一片钢筋混凝土组合梁进行徐交加载试验。通过最小二乘法修正了在一定的温度和湿度下，考虑受钢梁约束作用的混凝土板的徐变度；然后根据有效模量法通过在一定时域内的叠加计算，得到组合梁中混凝土板的徐变系数；最后通过与钢筋混凝土梁的计算对比。得出了混凝土徐变变形对连续组合梁次内力的影响特点． |
| 关 键 词： | 混凝土徐交 徐变庹 连续组合梁 次内力 |
The Effect of Creep to Stress of Continuous Composite Beam |
|
| LIU Wen-hui,FANG Liang,LIU Yan-ru,LI Hong-wei.The Effect of Creep to Stress of Continuous Composite Beam[J].Journal of Jilin Architectural and Civil Engineering,2008,25(4):25-27. | |
| Authors: | LIU Wen-hui FANG Liang LIU Yan-ru LI Hong-wei |
| Affiliation: | LIU Wen-hui,FANG Liang,LIU Yan-ru,LI Hong-wei( 1. School of Traffic Science and Engineering, Jilin Architectural and Civil Engineering, Changchun 130021 ; 2. Inner Mongolia Xinganmeng Jianfa Architectural LTD., Xinganmeng 137400 ; 3. The Construction Bureau of Meihekou City, Meihekou 135000) |
| Abstract: | The influence of creep on composite steel-concrete beam is different with it on concrete beam,that the development of creep restrained from the steel beam is different with the concrete beam on the same condition.The author manufactured one composite steel-concrete beam and started payload experimenting for modifying creep degree with the retrain of steel beam at the certain temperature and humidity,then deduced creep modulus based on the age-adjusted effective modulus method in the certain time with superimposed calculating,at last obtained the stress quality of continuous composite beam on contrast of concrete beam. |
| Keywords: | concrete creep creep degree continuous composite beam secondary stress |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |
