【正文】 ...12 適用范圍 .......................................................................................................................................................13 工程簡(jiǎn)介 .......................................................................................................................................................1 工程范圍 ...............................................................................................................................................1 氣象條件 ...............................................................................................................................................14 施工準(zhǔn)備 .......................................................................................................................................................1 組織機(jī)構(gòu) ................................................................................................................................................1 施工準(zhǔn)備及時(shí)間 ....................................................................................................................................25 冬期混凝土施工的要求 ...............................................................................................................................34 混凝土施工措施 ...........................................................................................................................................3 原材料防凍措施 ....................................................................................................................................3 混凝土配合比 ........................................................................................................................................5 砼的攪拌 ................................................................................................................................................5 砼的運(yùn)輸 ................................................................................................................................................6 砼的澆筑 ................................................................................................................................................7 砼施工供熱措施 ....................................................................................................................................8 砼的養(yǎng)護(hù) ................................................................................................................................................85 冬期負(fù)溫下鋼筋工程的施工 .....................................................................................................................116 冬期箱梁孔道壓漿施工 .............................................................................................................................11 方案概述 ..............................................................................................................................................11 保溫棚設(shè)置 ..........................................................................................................................................12 壓漿施工 .............................................................................................................................................12 橋梁支座灌漿施工 ..............................................................................................................................137．溫度監(jiān)控 ...................................................................................................................................................14 冬期混凝土溫度檢查內(nèi)容 ..................................................................................................................14 冬期混凝土溫度檢查頻率 ..................................................................................................................148．冬期施工保證措施 ...................................................................................................................................15 工序節(jié)點(diǎn)的計(jì)劃調(diào)控措施 ..................................................................................................................15 質(zhì)量保