| 浅谈七箱单室梁架设施工技术 |
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摘要： 广珠城际轨道顺德站特大桥，桥梁结构布置类型为（39.3+64+39.3）m直线（四线）连续道岔连续梁+15孔32m七箱单室梁+（4×32）m（四线）道岔连续梁+（32+48+32）m缓和曲线连续梁，七箱单室梁中间三榀湿接后整体架设为全国首例，其箱梁在梁场内湿接，架桥机整体提运架工艺，及箱梁滑移梁技术为全国首创。根据七箱梁现场湿接的经验及其架梁的实际工艺，结合广珠城际轨道综合工程ZH-1标顺德梁场LC31.5-740运价一体式架桥机架梁工艺，介绍七箱单室梁架设施工工艺。
Abstract: The bridge structure of Shunde extra-large bridge on Guangzhou-Zhuhai intercity railway are as follows: four lines straight line continuous girder（39.3+64+39.3）m, 15 seven boxes single-room girders( each one 32 ) m, four lines turnout continuous girder（4×32）m and（32+48+32）m transition curve continuous girder. The technology that the middle three of seven boxes single-room girders which are wet grafted is the first case. Girders wet grafting at beam fabrication and transmitted wholly by bridge erecting machine, and slippage of box beams are all among top technologies in china. According to the experience of seven boxes girder wet grafting and the technology of bridge erection, combined with the technology of bridge[1] [2] [3] [4] [5] 下一页 |
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