| 轻轨高架短线节段法桥梁整体受力性能分析 |
| |
| 引用本文： | 别永红,焦烽,王文敬,梁斌.轻轨高架短线节段法桥梁整体受力性能分析[J].安阳工学院学报,2016(4). |
| |
| 作者姓名： | 别永红 焦烽 王文敬 梁斌 |
| |
| 作者单位： | 1. 中铁十五局集团有限公司,上海,200070;2. 河南科技大学土木工程学院,河南洛阳,471023 |
| |
| 摘 要： | 以澳门轻轨C370标段项目为背景，开展了一联5×60m混凝土节段预制等高度变截面连续箱梁桥有限元计算，以研究该类箱梁在正常使用阶段和施工状态下的结构行为，不同工况组合下梁体应力状况与预应力变化等结构静力性能。研究结果表明：在承载能力极限状态，梁体内力满足规定，整体性较好；体内外预应力增量随跨中弯矩基本呈线性变化，静力增量及预应力损失值相对较小；在施工阶段，梁体下缘压应力储备充足，满足运梁安全性要求。
|
| 关 键 词： | 短线节段法 轻轨 逐跨拼装 设计 施工 |
Overall Mechanical Performance Analysis of a Light Rail which be Constructed with the Method of Short-Line Precast Segmental |
| |
| BIE Yonghong,JIAO Yufeng,WANG Wenjing,LIANG Bin.Overall Mechanical Performance Analysis of a Light Rail which be Constructed with the Method of Short-Line Precast Segmental[J].Journal of Anyang Institute of Technology,2016(4). |
| |
| Authors: | BIE Yonghong JIAO Yufeng WANG Wenjing LIANG Bin |
| |
| Abstract: | The paper calculates a equal high degree of variable cross section continuous box girder bridge with 5x60m concrete precast segment of the light rail C370 segment program in Macao. Finite element model of this bridge is created. Studies the Structural static performance of this box girder bridge,such as the structural behav?ior under normal use stage and construction condition, Structural static performance the stress state and pre-stress change of beam under different working conditions and so on. The results indicated that torsion, the beam have a good internal force performance under the ultimate load bearing capacity. Pre-stress increments have a linear change. Static increment and the loss of pre-stress value are relatively small. Edge of the beam body re?serves sufficient compressive stress, meet the security requirement. |
| |
| Keywords: | shot-line method light rail span-by-span installation design construction |
| 本文献已被 万方数据 等数据库收录！ |
