【正文】 ...............................21 （四）施工道路 ....................................................................................................................21 （ 五）混凝土拌和站 .............................................................................................................21 （六）鋼筋加工場 ................................................................................................................21 （七）施工用電 ....................................................................................................................21 （八）施工用水 ....................................................................................................................21 第五章 主要項(xiàng)目的施工工藝和施工方法 ....................................................................................22 一、 鉆孔灌注樁 ....................................................................................................................22 （一）鉆機(jī)選型 ....................................................................................................................22 （二）鉆孔前的準(zhǔn)備工作 ......................................................................................................22 （三）成孔工藝 ....................................................................................................................22 （四）鉆孔事故的預(yù)防與處理 ...............................................................................................24 （五）鋼筋籠的制安 .............................................................................................................25 （六）灌注水下混凝土 .........................................................................................................26 蘭州交通大學(xué)博文學(xué)院畢業(yè)設(shè)計(jì)（論文） （七）鉆孔樁施工工藝框圖 ..................................................................................................27 圖 51鉆孔樁施工工藝框圖 ......................................................................................................28 二、 承臺施工方法 ................................................................................................................29 （一）基坑開挖 ....................................................................................................................29 （二）樁與承臺的連接 .........................................................................................................29 （三）承臺基礎(chǔ)墊層 .............................................................................................................29 （四）承臺鋼筋 ....................................................................................................................29 （五）承臺模板 ....................................................................................................................29 （ 六）承臺混凝土灌注 .........................................................................................................30 三、 墩身、臺施工 ................................................................................................................32 （一）鋼筋 ...........................................................................................................................32 （二）模板 ...........................................................................................................................33 （三）澆筑混凝土 ................................................................................................................33 （四）橋墩施工工藝流程 ......................................................................................................33 四、 支承墊石施工 ................................................................................................................34 （一）鋼筋 ...........................................................................................................................34 （二）模板 ...........................................................................................................................34 （三）澆注混凝土 ................................................................................................................35 五 、箱梁預(yù)制與安裝 ................................................................................................................35 （一）箱梁預(yù)制 ....................................................................................................................35 （二）箱梁架設(shè)安裝 .............................................................................................................41 （三）現(xiàn)澆梁施工方法、工藝及措施 ....................................................................................43 六 、 測量監(jiān)控 .....................................................................................................................44 七、 施工安全技術(shù)措施 .........................................................................................................44 第六章 總體工期安排 ................................................................................................................45 施工進(jìn)度橫道圖見附圖。 .............................................................................................................45 第七章 主要材料及工程設(shè)備的使用計(jì)劃 ....................................................................................46 一、 主要材料計(jì)劃 ................................................................................................................46 二、 主要施工機(jī)械設(shè)備 .........................................................................................................46 （一）主要施工機(jī)械設(shè)備配置 ...............................................................................................46 （二）施工主要機(jī)械設(shè)備計(jì)劃 ...............................................................................................46 三、 主要?jiǎng)趧?dòng)力配備表 .........................................................................................................47 第八章 質(zhì)量目標(biāo)及保證措施 ......................................................................................................48 一、 質(zhì)量目標(biāo) .......................................................................................................................48 二、 質(zhì)量保護(hù)體