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2010年04 期
| 標題 |
| 超前加固支護技術在改建鐵路隧道洞門施工中的應用(50 卷) |
| 英文標題 |
| Application of forepoling reinforcing technology in existing railway tunnel reconstruction |
| 摘要 |
| 達成線渠江四號隧道改建工程中，圍巖類別包括Ⅳ級、Ⅴ級二類。其中，隧道出入口處為Ⅴ級圍巖地段，穩(wěn)定性差，為保證施工質量、安全和工期要求，采用提前進洞以超前加固技術對不良地質進行預加固處理和格柵鋼架結合超前小導管進行洞門支護加固進洞的方法。 |
| 作者 |
| 新聞作者:黃華，張永厚 |
| 關鍵字 |
