泄洪洞竖井混凝土滑模施工方案VIP专享

导流泄洪、发电洞工程 泄洪洞闸井专项施工方案批准： 审核： 编制： XXX 工程项目部二零一四年二月 目 录一、工程概况 ··········································3二、施工方案 ······································3三、施工进度计划安排 ·······························3四、滑模设计 ··········································5五、模体制作与组装 ···································10六、滑模施工 ······································10七、牛腿施工 ····································16八、滑模拆除 ····································16九、质量保证措施 ····································18十、 安全施工措施 ··································24十一、文明施工 ·····································25一、工程概况1、工程概况泄洪洞工程：泄洪洞闸井总高度为 74.5 米。砂砾石开挖: 1968.8 立方米 、 石方明挖:19491.5 立方米、竖井：砼 9595.7 立方米、钢筋 777.3 t2、自然地理条件工程座落在 xx 河出山口处，海拔高程 2300m～2530m。xx 河、xx 河流域地处 xx、xx 山交界处，远离海洋，气候干燥，总的气候特征是既具有北温带大陆性干旱气候特征，又具有垂直气候分带的特点。 二、施工方案根据以往的施工经验,等截面结构构筑物的混凝土衬砌工程采纳滑模施工要比传统的支模施工更能保证质量，降低成本,提高工效,减少安全隐患。采纳滑模施工由于混凝土是连续浇筑的,故可以最大限度地减少甚至避开施工缝,使混凝土的整体性更好；避开了支模、拆模,搭拆脚手架等多种重复性工作,故进度更快；工效更高；材料消耗更少。因此，根据该工程结构特征，及现场设备配备情况，该闸门井拟采纳：高程:2362.7 以下采纳常规组合钢模立模施工、高程:2362.7以上至高程:2394.5 段采纳滑模施工，高程:2394.5 以上部分可利用滑模模体做为施工平台进行顶部...