【正文】 新會港二期碼頭工程預(yù)制樁沉樁施工方案 施工單位： 中鐵港航局集團(tuán)有限公司 編 制： 審 核： 日 期： 【中鐵港航局集團(tuán)有限公司新會港二期碼頭工程項(xiàng)目部】2 / 52目 錄第 1 章 工程概要 .......................................................................................................................4 編制依據(jù) .........................................................................................................................4 項(xiàng)目概況 .........................................................................................................................4 自然條件 ...........................................................................................................................4　 水文 ...................................................................................................................4 工程地質(zhì) ..............................................................................................................5 地震 ......................................................................................................................6 計(jì)劃工期 .........................................................................................................................7 質(zhì)量要求 .........................................................................................................................7 技術(shù)要求 ..........................................................................................................................7 設(shè)計(jì)沉樁控制要求 .............................................................................................7 檢測技術(shù)要求 .....................................................................................................7第 2 章 施工布置 .......................................................................................................................8 投入本工程的主要機(jī)械設(shè)備 ..........................................................................................8 投入本工程的施工人員計(jì)劃 ..........................................................................................8 沉樁施工順序布置 ..........................................................................................................9 地錨布置 .........................................................................................................................13 沉樁測量基線的布置 .....................................................................................................14第 3 章 沉樁施工方法 .............................................................................................................15 沉樁施工工藝流程 .........................................................................................................15 主要工序施工方法 ........................................................................................................16 打樁船錨纜布設(shè) ................................................................................................16 測量定位 ...........................................................................................................16 沉樁 ....................................................................................................................18 沉樁過程記錄 ...................................................................................................22 夾樁 ...................................................................................................................25 截樁施工 ............................................................................................................26 驗(yàn)收標(biāo)準(zhǔn)及方法 .............................................................................................................26第 4 章 常見的質(zhì)量通病及控制措施 .....................................................................................27 沉樁困難，達(dá)不到設(shè)計(jì)標(biāo)高 .........................................................................................27 樁偏移或傾斜過大 .........................................................................................................28 樁達(dá)到設(shè)計(jì)標(biāo)高或深度，但樁的承載能力不足 .........................................................28 壓樁阻力與地質(zhì)資料或試驗(yàn)樁所反映阻力相比有異?，F(xiàn)象 .....................................29 樁體破損，影響樁的繼續(xù)下沉 .....................................................................................293 / 52第 5 .............................................................................................................31 主要施工里程碑 ............................................................................................................31 工期保證措施 .................................................................................................................31 組織保證 ............................................................................................................31 計(jì)劃控制 ............................................................................................................32 現(xiàn)場控制 ............................................................................................................33 施工調(diào)度控制 ....................................................................................................33 施工技術(shù)保證 ...................................................................................................34 人員、設(shè)備保證 ................................................................................................34第 6 章．質(zhì)量保證措施 ...........................................................................................................35 目的 .................................................................................................................................35 工程質(zhì)量目標(biāo) .................................................................................................................35 質(zhì)量管理保證體系 .........................................................................................................36 質(zhì)量控制及保證措施 ....................................................................................................38 總體質(zhì)量保證措施 .........................................................................................38 工程原材料控制