| 客运专线运架梁施工质量关键问题及对策 |
| |
| 引用本文： | 田静,戴宝瑞. 客运专线运架梁施工质量关键问题及对策[J]. 铁道建筑技术, 2010, 0(11): 36-38 |
| |
| 作者姓名： | 田静 戴宝瑞 |
| |
| 作者单位： | 中铁十九局集团第六工程有限公司,江苏元锡214045 |
| |
| 摘 要： | 京沪高速铁路采用高标准、高技术来建设,其中天津特大桥段的箱梁架设施工是日后施工的基础。施工采用TLJ900型架桥机整套设备,将箱梁提运、架设并安装到桥墩上,过程中由顶升系统来对箱梁进行三点受力调平,调平后再进行支座砂浆灌筑,这两个环节需要严保质量,才能为日后的施工打下坚实的基础。
|
| 关 键 词： | 箱梁架设 支座砂浆 顶升系统 错台 梁面不平整 |
Key Issues and Countermeasures in Construction Quality of PDL Carrying and Erecting Girders |
| |
| Tian Jing,Dai Baorui. Key Issues and Countermeasures in Construction Quality of PDL Carrying and Erecting Girders[J]. Railway Construction Technology, 2010, 0(11): 36-38 |
| |
| Authors: | Tian Jing Dai Baorui |
| |
| Affiliation: | (China Railway 19^th Bureau Group Co.Ltd.,Wuxi 214045,China) |
| |
| Abstract: | Beijing-Shanghai High-speed Railway is of high standard and high-tech,in which box girder erection in Tianjin Extra-large Bridge is the foundation of following constructions.It adopts TLJ900 Bridge-erection Machine equipment package. Box girders are carried,erected and installed in bridge piers,during which the jacking system shall carry out three-point force leveling on the box girders.After leveling,bearing mortar is poured.The quality of these two steps should be ensured,to lay a solid foundation for construction in the future. |
| |
| Keywords: | box girder erection bearing mortar jacking system slab staggering uneven beam surface |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
