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2008年10 期
| 標題 |
| 大斷面隧道分部開挖引起地表沉降的隨機介質(zhì)預(yù)測方法研究(48 卷) |
| 英文標題 |
| 摘要 |
| 大斷面隧道在不良地質(zhì)地段常常采用分部開挖方法，各分 部依次開挖，相互作用，地表沉降預(yù)測較為困難。應(yīng)用隨機介質(zhì)理論，首先推導(dǎo)出任意單元 開挖引起的地表沉降公式，然后將直角坐標系轉(zhuǎn)換到局部極坐標系下進行積分計算，由此推 導(dǎo)出任意一段圓弧收縮引起的地表沉 |
| 作者 |
| 新聞作者:周 宇 |
| 關(guān)鍵字 |
