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2008年04 期
| 標(biāo)題 |
| 超前加固支護(hù)技術(shù)在夾活巖特長隧道中的應(yīng)用(48 卷) |
| 英文標(biāo)題 |
| 摘要 |
| 夾活巖特長隧道圍巖包括Ⅱ、Ⅲ、Ⅳ 三類。由于Ⅱ、Ⅲ類圍巖穩(wěn)定性差，為 了保證施 工安全和 工程質(zhì)量，決定采用超前加固技術(shù)對破碎、裂隙等不良地質(zhì)進(jìn)行預(yù)加固處理。根據(jù)隧道路段 的圍巖類別的不同，分別采用了長管棚支護(hù)、小導(dǎo)管支護(hù)、錨桿支護(hù)等預(yù)加固方法 |
| 作者 |
| 新聞作者:方 彥 |
| 關(guān)鍵字 |
