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2011年04 期
| 标题 |
| 松散岩层偏压大断面隧道进洞关键技术研究(51 卷) |
| 英文标题 |
| Key technologies study on approach to entrance of large profile tunnel in loose rock with biased load |
| 摘要 |
| 进洞施工是隧道工程建设的关键节点之一，控制不当容易引发山体滑动或坍塌现象，从而影响工程质量和施工进度。广州绕城公路东段龙头山隧道断面尺寸大，右线进口段岩层破碎且存在显著偏压现象，结合现场实际情况，采取了地表注浆、超长大管棚和CRD开挖相结合的综合施工技术，实 |
| 作者 |
| 新闻作者:石满刚 |
| 关键字 |
