|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2006年12 期
| 標(biāo)題 |
| 對(duì)客運(yùn)專線鐵路隧道施工穩(wěn)定性判據(jù)的思考(46 卷) |
| 英文標(biāo)題 |
| 摘要 |
| 我國(guó)目前已經(jīng)開(kāi)工的客運(yùn)專線鐵路，隧道基本上都采用的是單洞雙線形式，為形狀扁 平的超大斷面隧道。這樣的斷面形狀從受力上講與一般的地應(yīng)力條件并不相宜。由于客運(yùn) 專線鐵路雙線隧道的斷面形狀、受力變形規(guī)律、承載能力與普速鐵路隧道有很大差異，其施 工穩(wěn)定性標(biāo) |
| 作者 |
| 新聞作者:邢厚俊 |
| 關(guān)鍵字 |
