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| 地铁车站基坑下穿高架施工关键技术 | |
| 引用本文： | 丁勇春,王建华,李耀良.地铁车站基坑下穿高架施工关键技术[J].建筑技术,2011,42(12):1084-1087. |
| 作者姓名： | 丁勇春 王建华 李耀良 |
| 作者单位： | 1. 中交第三航务工程勘察设计院有限公司,200032,上海 2. 上海交通大学土木工程系,200030,上海 3. 上海市基础工程公司,200002,上海 |
| 基金项目： | 国家自然科学基金资助项目(50679041); 上海市科学技术委员会资助项目(08201200903) |
| 摘 要： | 结合上海地铁8号线西藏南路站基坑工程，介绍上海软土地区复杂地质条件下地铁车站基坑下穿高架施工的关键技术及施工措施。通过调整钻孔灌注桩成孔施工工序、调整高压旋喷桩喷射形式与作业间隔、坑内高压喷射地基加固、调整支撑体系、调整结构施工方法、机械设备选型和结构抗浮等关键技术措施，在保证基坑自身安全与稳定的同时，将基坑开挖施工对高架桥墩基础的影响降到最低，并对可能出现的风险提出一系列预案措施。 |
| 关 键 词： | 深基坑 钻孔灌注桩 喷射注浆 高架保护 |
KEY CONSTRUCTION MEASURES OF METRO STATION EXCAVATION UNDERCROSSING VIADUCT |
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| DING Yong-chun,WANG Jian-hua,LI Yao-liang.KEY CONSTRUCTION MEASURES OF METRO STATION EXCAVATION UNDERCROSSING VIADUCT[J].Architecture Technology,2011,42(12):1084-1087. | |
| Authors: | DING Yong-chun WANG Jian-hua LI Yao-liang |
| Affiliation: | DING Yong-chun1,WANG Jian-hua2,LI Yao-liang3 (1.CCCC Third Harbor Consultants Co.,Ltd.,200032,Shanghai,China,2.Department of Civil Engineering,Shanghai Jiaotong University,200030,3.Shanghai Foundation Engineering Company,200002,China) |
| Abstract: | Combined with the deep excavation of South Xizang Road Station of Shanghai Metro Line 8,some key construction measures used in the deep excavation for metro station undercrossing the viaduct in complex geological conditions in Shanghai soft-soil areas are presented,including adjusting construction sequences of boring piles,adjusting layout of high-pressure jet grouting pile and working time intervals,ground improvement with high-pressure jet grouting inside the pit,adjusting supporting system,adjusting cons... |
| Keywords: | deep excavation boring pile jet grouting viaduct protection |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |