【正文】 單跨 35m， U01 和 U13為 2 4跨一聯(lián) ， 共 2聯(lián) ； U02～ U12 為 3跨一聯(lián)，共 11聯(lián)；總 13 聯(lián)，橋長 。環(huán)太湖公路及環(huán)湖沿路大堤加固工程 （長興段）長興港大橋 QL4 合同段 現(xiàn) 澆 箱 梁 施 工 方 案 浙江鼎盛交通建設(shè)有限公司 環(huán)太 湖公路及環(huán)湖沿路大堤加固工程 （ 長興段） QL4 合同段 項(xiàng)目經(jīng)理部 20xx 年 11 月 1 環(huán)太湖公路及環(huán)湖沿路大堤加固工程 長興港大橋 QL4 合同段 現(xiàn)澆箱梁滿堂支架 施工方案 1．編制說明 ......................................................... 1 ．編制依據(jù) ................................................... 1 ．執(zhí)行標(biāo)準(zhǔn)與規(guī)范 ............................................. 1 2．工程概況 ......................................................... 1 .................................................... 1 、水文 .................................................. 2 、地貌及地質(zhì) ............................................ 2 ............................................ 3 3． 現(xiàn)澆箱梁 施工方案 ................................................. 3 .......................................................... 3 .................................................... 3 .................................................... 3 地基 處理 ........................................ 3 ........................................ 5 U04 聯(lián)箱梁現(xiàn)澆支架貝雷梁平臺(tái) 鋼管樁基礎(chǔ) ................ 5 .................................... 5 .......................................... 5 ............................................ 5 .................................. 6 .................................................. 6 .................................... 6 .............................................. 7 ................................................ 8 .............................................. 8 .................................................. 8 .......................................... 8 ...................... 9 強(qiáng)度及撓度 驗(yàn)算 ............................. 9 .............................. 10 驗(yàn)算 ...................... 11 承載力 驗(yàn)算 .................................. 12 受力 驗(yàn)算 ............................... 13 強(qiáng)度及撓度 驗(yàn)算 ............................ 14 .............................. 14 驗(yàn)算 ...................... 15 承載力 驗(yàn)算 .................................. 16 段支架 模板受力 驗(yàn)算 ........................... 17 強(qiáng)度及撓度 驗(yàn)算 ............................ 17 .............................. 18 驗(yàn)算 ...................... 19 承載力 驗(yàn)算 .................................. 20 ............................... 21 2 強(qiáng)度及撓度 驗(yàn)算 ............................ 21 .............................. 22 驗(yàn)算 ...................... 23 承載力 驗(yàn)算 .................................. 24 U04 聯(lián) 貝雷梁 支架平臺(tái) 的設(shè)置 ................................. 25 ............................................. 26 構(gòu)鋼管樁基礎(chǔ)的布置 ..................... 26 ............................... 26 ............................................. 26 工字鋼受力 驗(yàn)算 ......................................... 27 橫隔板 段 ..................................... 27 段 ............................................... 28 段 ........................................... 30 ............................................... 31 驗(yàn)算 ............................................. 32 ......................................... 32 ................................... 34 樁頂下橫梁 受力 驗(yàn)算 .................................... 34 4258mm 鋼管樁 受力 驗(yàn)算 .................................. 36 鋼管樁 最大受力處 入土深度 計(jì)算 ..................... 36 鋼管樁 最大受力處入土深度 計(jì)算 ..................... 37 驗(yàn)算 ................................. 37 ....................................................... 37 ................................................... 39 ................................................... 39 ................................................. 39 、腹板側(cè)模安裝 ..................................... 39 ................................................. 40 ............................................... 40 ......................................... 40 、波紋管、預(yù)應(yīng)力鋼絞線的安裝 ............................. 40 ................................................. 40 ............................................. 40 ................................... 41 ................................................... 41 筑 ......................................................... 42 順序 ............................................... 42 ..................................................... 42 澆筑 及順序安排 ........................................... 42 ..................................................... 43 ................................. 43 ............................. 43 ......................................... 44 ................................. 44 ........................................... 44 3 ................................... 44 ...................................................... 44 、定位 .......................................... 45 .............................................. 45 ...................................................... 45 ................................................ 45 ................................................ 46 .............................. 46 ...................................................... 47 ...................................................... 47 架與通航孔貝雷梁 支架平臺(tái) 的拆除 .......................... 48 、支架的拆除 .......................................... 48 支架平臺(tái) 的拆除 ...................................... 48 .................................................... 48 .................................................... 49 .......................................... 50 .................................................... 52 ................................................ 53 、冬季、高溫季節(jié)、臺(tái)風(fēng)季節(jié)施工 .............................. 54 措施 .............................................. 54 措施 .............................................. 54 措施 .......................................... 55 措施 .............................................. 56 18. 應(yīng)急預(yù)案 .........