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2011年06 期
| 標題 |
| 海底隧道鋼拱架銹蝕對承載力影響研究(51 卷) |
| 英文標題 |
| Study on effect of steel arch’s rust on its bearing capacity for undersea tunnel |
| 摘要 |
| 海底隧道穿越風化囊槽，初期支護開裂導致鋼拱架銹蝕，承載力降低。本文利用有限元軟件，考慮初期支護與二次襯砌荷載分配比例，研究鋼拱架銹蝕率對其自身承載力影響規(guī)律。結果表明：當銹蝕率小于50%時，鋼拱架軸力降低系數(shù)與銹蝕率符合線性規(guī)律，彎矩降低系數(shù)與銹蝕率符合二次 |
| 作者 |
| 新聞作者:童建軍，邵國霞 |
| 關鍵字 |
