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2011年05 期
| 標(biāo)題 |
| 南京大勝關(guān)長(zhǎng)江大橋主跨鋼梁合龍調(diào)整的過(guò)程控制(51 卷) |
| 英文標(biāo)題 |
| Control over displacement-adjusting process during closure of main-span steel girder of Nanjing Dashengguan Yangtze River Bridge |
| 摘要 |
| 鋼梁合龍的關(guān)鍵是將合龍口兩側(cè)鋼梁的中線、高程、里程調(diào)整至監(jiān)控計(jì)算位置。南京大勝關(guān)長(zhǎng)江大橋主跨鋼梁合龍未采用傳統(tǒng)的支點(diǎn)頂升法，而是以調(diào)整索力和整體縱移為主，輔以合龍口頂拉、溫差微調(diào)、加減載、設(shè)長(zhǎng)圓孔與圓孔等進(jìn)行合龍。施工單位制訂合龍方案，精心施工；建設(shè)、咨 |
| 作者 |
| 新聞作者:戴福忠，劉學(xué)文，潘家英，胡所亭 |
| 關(guān)鍵字 |
