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2010年04 期
| 标题 |
| 热力隧道下穿既有地铁线施工综合防护技术(50 卷) |
| 英文标题 |
| Comprehensive protective technology for existing metro line during construction of heat-supply tunnel passing underneath |
| 摘要 |
| 热力隧道下穿北京2号线地铁区间，结合工程的特点及根据周边实际情况，采用全断面超前深孔注浆进行土体加固，同时在型钢拱架上利用千斤顶对上部地铁结构进行保护，地铁结构沉降控制在2.5 mm范围内，保证地铁2号线在施工期间不减速。 |
| 作者 |
| 新闻作者:熊建红,李锋 |
| 关键字 |
关键词:热力隧道 下穿地铁 沉降控制 |
