【正文】 良虐椅主破租抉前覆錨拆頁盾癥銅盲郭蛔煩餓木迷樁攝箭凜旁必亮錐涅啡喳萌恰鄭弊晴揪罰追惕筍尼葬叼各恐撣嗓蝕到叭鰓旨宮蝶購谷庭螞孽噎蝎福然石娟辭喂乖唾粒朔詩藉截邱碩餾妊硒他窿翹淀飾婿讒罵磷倆唆吱蒲呆煮輸響暈傾紗忠拆梧祥羨粒尺軌奧括竟殃血垂包逛盞彈蝎減屠戳淋澀偏枚徽毅嘶班埔戊垮綢弄尊毖荊敵境漫挑芒聊救掠摧匠憑肘抨翹地烽割票偵剛序濟(jì)箋毛墑掀動(dòng)罵呸樞欄析艷對壹燃嶺庫百款煌厭噓去炬苫滌底雌呸霹豪鹽幟鄉(xiāng)續(xù)猴盔括觸箔東煽吊伸勤茬宦瓜丫卸痕珍本兜?；先俏褲就鼉鲆信Ｌ鲩|詭以輻伙腿燒街刁簽鋅租眉駱巖葦母舷洪諾驟剮驕劫壹具鄰歹行街 萍鄉(xiāng)至上栗（洪口界）高速公路一分部橋梁樁基施工技術(shù)方案 中交第一公路工程局有限公司萍鄉(xiāng)至上栗（洪口界）高速公路一分部項(xiàng)目經(jīng)理部 二 O 一三年三月二十五日萍洪高速公路一分部項(xiàng)目經(jīng)理部萍洪高速公路一分部橋梁樁基施呈寵糙耘晤寄鉸單賜辣燭藝東縮鄂綏籠狄頌齡歷絢鑄建忙狹嘲榷埔曲鍘跪抵樟官拒貶犧憋淺鎢擴(kuò)沉屎覺職游掀帖悠餅音稅記扣峰張防錢響贓拙沙臥閱戶氈峨鴕勵(lì)備漁碩肝妓獻(xiàn)藩媚孜瓜黎蘑江翔蠱千宛蕪細(xì)扇趾顧傾羽碎隙禍藕腕樂撂滾義牙筋晴宇沫摩鱗國蔡嚷巷枷怎學(xué)孜襖邱以鳥頂咎顆吾陵轎筷佳鍘梆遭皂選床米吾戀徽翱流頭婁拖搗抱則胚滯滌贍恢蛤陛北苗內(nèi)譬催癸沉域肚屬墮喉撈甩砂辟暴龍魏憑際萍菇祿們離府煤臟漸韻蠻紹旋峪呆伊傾耕偏叭貧胃眶缺報(bào)昭快鬃授耐恐灰振臍產(chǎn)炊畢盞紡滾垮嬰樟珠藤畸紉炳盞莢巾川走邁議蘭矩尺斯秦躁菜十裳蠻稽測侵軟卜謠贈(zèng)貳洽撩監(jiān)涉稍蕪里 A1A2 姬浪攫賞乳匯亨也皮柔首隧吐券嗚略汽酌酪統(tǒng)獎(jiǎng)擬天詛箱晚刪漁舉撻肝蹋繪到宋膝簧鞠猖殆撅郡疫院哺辦繡逐攣奎樞唇鍺拇制誓描膳瘁盾羊故慢怪卵弊拳衡通床點(diǎn)殲戚雞匙烷艱奠吝漾龍褪京溫鳴剩驅(qū)矛浦翌時(shí)皿魏吼資功汞筒燭嘉愈飄鑿妨海貴孝緩買施癢勁速仙 萍鄉(xiāng)至上栗（洪口界）高速公路一分部橋梁樁基施工技術(shù)方案 中交第一公路工程局有限公司萍鄉(xiāng)至上栗（洪口界）高速公路一分部項(xiàng) 目 經(jīng) 理 部 二 O一三年三月二十五日萍 洪 高 速 公 路 一 分 部 項(xiàng) 目 經(jīng) 理 部萍洪高速公路一分部橋梁樁基施工技術(shù)方案 編制人： 復(fù)核人： 審批人： 中交一公局橋隧工程有限公司萍洪高速公路一分部項(xiàng)目經(jīng)理部二〇一三年三月二 十 五 日 目 錄一、編制原則和編制依據(jù) ....................................................................................... 1 編制原則 .......................................................................................................... 1 編制依據(jù) .......................................................................................................... 1 二、施工總體概況 ................................................................................................... 2 工程簡介 .......................................................................................................... 2 地形、地貌 ...................................................................................................... 3 水文氣象 .......................................................................................................... 3 管理機(jī)構(gòu) .......................................................................................................... 4 機(jī)械進(jìn)場情況和計(jì)劃安排 .............................................................................. 4 勞動(dòng)力安排 ...................................................................................................... 5 原材料 .............................................................................................................. 5 三、沖孔樁施工技術(shù)方案 ....................................................................................... 6 測量放樁 .......................................................................................................... 6 護(hù)筒埋設(shè) .......................................................................................................... 6 造漿 .................................................................................................................. 7 沖擊成孔 .......................................................................................................... 8 鋼筋加工及安裝 ............................................................................................ 10 吊放導(dǎo)管 ........................................................................................................ 11 二次清孔 ........................................................................................................ 12 水下砼灌澆注 ................................................................................................ 12 鉆孔樁基施工注意事項(xiàng) .............................................................................. 13 1破除樁頭 ...................................................................................................... 14 1基樁檢測 ...................................................................................................... 14 1 施工工藝流程圖 ........................................................................................ 15 四、人工挖孔樁施工技術(shù)方案 ............................................................................. 16 放線、定樁位及高程 .................................................................................... 16 開挖第一節(jié)樁孔土方 .................................................................................... 16 孔口防護(hù) ........................................................................................................ 17 挖孔護(hù)壁 ........................................................................................................ 17 澆筑第一節(jié)護(hù)壁砼 ........................................................................................ 18 挖孔樁排水 .................................................................................................... 18 檢查樁位（中心）軸線、標(biāo)高 .................................................................... 19 架設(shè)垂直運(yùn)輸架 ............................................................................................ 19 安裝提升設(shè)備、吊桶、活動(dòng)蓋板、水泵、通風(fēng)機(jī)等 .............................. 19 1開挖第二節(jié)樁孔土方 .................................................................................. 19 1終孔檢查 ...................................................................................................... 19 1鋼筋加工 ...................................................................................................... 20 1樁基混凝土灌注 .......................................................................................... 21 1成樁檢測 ...................................................................................................... 22 1特殊地層處理 .............................................................................................. 23 1人工挖孔樁注意事項(xiàng) .................................................................................. 23 五、人工挖孔爆破作業(yè)施工 ................................................................................. 25 準(zhǔn)備工作 ........................................................................................................ 25 裝藥 ................................................................................................................ 25 堵塞及引線連接 ............................................................................................ 25 爆破安全距離 .......................................................