【正文】 、編制依據(jù) ....................................................................................................................... 4 第二章 總體施工方案 .................................................................................................... 5 一、主墩鉆孔樁施工 ............................................................................................................ 5 （ 一 ） 方案概述 ............................................................................................................ 5 （二）工藝流程 ............................................................................................................ 5 二、過渡墩及 73～ 76墩 鉆孔樁 施工 ................................................................................... 5 （一）方案概述 ............................................................................................................ 5 （二）工藝流程 ............................................................................................................ 5 第三章 施工工藝 ............................................................................................................. 6 一、施工測量 ....................................................................................................................... 6 （一）施工控制測量 ..................................................................................................... 6 （二）施工放樣和檢測 .................................................................................................. 6 二、鉆孔樁施工 ................................................................................................................... 7 （一）鋼護(hù)筒下沉施工 .................................................................................................. 7 （二）泥漿配備及泥漿循環(huán)系統(tǒng) .................................................................................... 7 （三）鉆 孔施工 ........................................................................................................... 11 （四）鋼筋籠制作與安裝 .............................................................................................17 （五）水下混凝土灌注 .................................................................................................23 （六）樁端壓漿 ...........................................................................................................27 （七）質(zhì)量檢測 ...........................................................................................................31 （八）鉆孔樁施工質(zhì)量問題的預(yù)防及處理措施 ..............................................................32 第四章 資源配置及進(jìn)度計(jì)劃 .....................................................................................35 一、人力資源配置 ...............................................................................................................35 二、機(jī)械設(shè)備配置 ...............................................................................................................36 三、施工進(jìn)度計(jì)劃 ...............................................................................................................37 第五章 質(zhì)量保證措施 ...................................................................................................39 一、質(zhì)量目標(biāo) ......................................................................................................................39 蘇通長江大橋 D1 標(biāo)施工工藝 鉆孔樁施工工藝 中鐵大橋局集團(tuán)有限公司 （一）質(zhì)量目標(biāo) ...........................................................................................................39 （二）質(zhì)量方針 ...........................................................................................................39 二、質(zhì)量保證體系 ...............................................................................................................39 三、質(zhì)量管理制度 ...............................................................................................................39 （一）工程質(zhì)量責(zé)任制 .................................................................................................39 （二）實(shí)行 首件認(rèn)可制 .................................................................................................42 （三）質(zhì)量檢查制度 ....................................................................................................42 四、質(zhì)量控制措施 ...............................................................................................................42 （一）關(guān)鍵工序質(zhì)量控制措施 ......................................................................................42 （二）其他質(zhì)量措施 ....................................................................................................43 第六章 安全保證措施 ...................................................................................................44 一、安全保證體系 ...............................................................................................................44 （一）安全目標(biāo) ...........................................................................................................44 （二）安保體系 ...........................................................................................................44 二、安全管理措施 ...............................................................................................................44 （一）安全教育 ...........................................................................................................44 （二）用電安全管理 ....................................................................................................44 （三）設(shè)備安全管理 ....................................................................................................45 （四）水上施工安全管理 .............................................................................................45 （ 五 ） 施工船舶管理 ....................................................................................................46 （六）航道維護(hù)管理 ....................................................................................................46 第七章 環(huán)境保護(hù)措施 .........................................................................