【正文】 工程實(shí)踐中 檢 驗(yàn)和實(shí)施過程中補(bǔ)充完善。組長(zhǎng)：呂忠達(dá) (杭州灣大橋工程指揮部 )，副組長(zhǎng)：江立生 (浙江省交通廳質(zhì)量監(jiān)督站 )、張勁泉 (交通部公路科學(xué)研究所 )、林國(guó)雄 (杭州灣大橋工程指揮部 )，組員：徐德明 (寧波市交通工程質(zhì)量監(jiān)督站 )、嚴(yán)鳳祥 (嘉興市交通工程質(zhì)量監(jiān)督站 )、樓莊鴻、魏洪昌 (交通部公路科學(xué)研究所 )、劉杰文 (中鐵大橋局集團(tuán)有限公司 )、成崇華 (交通部第三航務(wù)勘察設(shè)計(jì)院 )、干偉忠 (寧波高等?？茖W(xué)校 )、王仁貴 (中交公路規(guī)劃設(shè)計(jì)院 )、黃燕慶 (中鐵大橋局勘察設(shè)計(jì)院 )。由干偉忠、林蔭岳、成崇華、趙煜澄和肖根旺等執(zhí)筆。 本專用規(guī)范編制單位： 杭州灣大橋工程指揮部 浙江省交通廳工程質(zhì)量監(jiān)督站 2020 年 8 月 c2f27b6179d247f2aed2c239f8279d3b II 目 錄 1 GPS 施工測(cè)量實(shí)施規(guī)程 .......................................................................................... 1 2 海工耐久混凝土 ...................................................................................................... 7 總則 ............................................................................................................. 7 術(shù)語(yǔ) ............................................................................................................. 7 基本規(guī)定 ...................................................................................................... 8 混凝土材料 ................................................................................................... 9 結(jié)構(gòu)構(gòu)造和裂縫限制措施 ............................................................................ 12 混凝土施工 ................................................................................................. 12 3 鉆孔灌注樁 ............................................................................................................ 29 范圍 ........................................................................................................... 29 一般要求 .................................................................................................... 29 材料及水下混凝土 ...................................................................................... 29 鉆孔 ........................................................................................................... 30 固孔 ........................................................................................................... 31 鉆孔工序 .................................................................................................... 31 清孔 ........................................................................................................... 31 鋼筋骨架 .................................................................................................... 32 灌注水下混凝土 .......................................................................................... 32 .................................................................................................... 33 ................................................................................... 33 .................................................................................................... 34 ........................................................................................................ 34 ........................................................................................................... 34 4 鋼管樁 .................................................................................................................... 36 規(guī)范與標(biāo)準(zhǔn) ................................................................................................. 36 材料 ........................................................................................................... 37 鋼管樁的制作 ............................................................................................. 37 鋼管樁的焊接 ............................................................................................. 38 鋼管樁堆存與運(yùn)輸 ...................................................................................... 41 鋼管樁防護(hù) ................................................................................................. 41 鋼管樁沉樁 ................................................................................................. 47 沉樁控制標(biāo)準(zhǔn)及檢測(cè) ................................................................................... 48 垂直靜載荷試驗(yàn)和水平靜載荷試驗(yàn) .............................................................. 49 5 海上 承臺(tái)和墩身 .................................................................................................... 54 c2f27b6179d247f2aed2c239f8279d3b III 承臺(tái)施工 .................................................................................................... 54 現(xiàn)澆墩身施工 ............................................................................................. 57 預(yù)制墩身施工 ............................................................................................. 61 6 預(yù)應(yīng)力混凝土箱梁 ................................................................................................ 65 預(yù)應(yīng)力混凝土箱梁整孔預(yù)制及架設(shè) .............................................................. 65 移動(dòng)模架法澆筑預(yù)應(yīng)力混凝土箱梁 .............................................................. 80 支架法澆筑預(yù)應(yīng)力混凝土箱梁 ..................................................................... 81 7 環(huán)氧涂層鋼筋 ........................................................................................................ 85 范圍 ........................................................................................................... 85 一般要求 .................................................................................................... 85 環(huán)氧涂層鋼筋的檢驗(yàn)與驗(yàn)收 ........................................................................ 85 環(huán)氧涂層鋼筋的修補(bǔ) ................................................................................... 85 環(huán)氧涂層鋼筋的保護(hù)與儲(chǔ)存 ........................................................................ 86 環(huán)氧涂層鋼筋的加工與安裝 ........................................................................ 86 附錄 A 工程項(xiàng)目測(cè)量控制管理辦法 ............................................................................... 87 附錄 B 橋梁各部位結(jié)構(gòu)施工測(cè)量 ................................................................................... 92 附錄 C 海中優(yōu)先施工墩位區(qū)間表 .........................................................................