【正文】 207國道荊門城區(qū)西外環(huán)建設(shè)工程橋梁墩柱、系梁、蓋梁及橋臺(tái)施工方案編審審制：核：批：二〇一五年二月
35 / 35目錄一、編制依據(jù)....................................................................................................................................................1二、工程概況....................................................................................................................................................1三、施工總體部署............................................................................................................................................1.........................................................................................................................................1.................................................................................................................................2.....................................................................................................................................2.........................................................................................................................................2.........................................................................................................................2四、施工工藝及方法........................................................................................................................................3.............................................................................................................................................3.............................................................................................................................................9...............................................................................................................................................10...........................................................................................................................1擋塊施工及支座安裝...................................................................................................... 15五、質(zhì)量保證措施..........................................................................................................................................17六、安全生產(chǎn)、環(huán)境保護(hù)..............................................................................................................................19七、文明施工..................................................................................................................................................22八、蓋梁支撐體系驗(yàn)算..................................................................................................................................22(40M跨蓋梁)............................................................................................................................ 23(20M以內(nèi)跨蓋梁).................................................................................................................... 28
一、編制依據(jù)207國道251省道至荊宜高速段施工圖設(shè)計(jì)；荊門市西外環(huán)（K0+000～K11+）施工組織設(shè)計(jì)；《公路橋涵施工技術(shù)規(guī)范》JTJ0412011；《公路工程質(zhì)量檢驗(yàn)評(píng)定標(biāo)準(zhǔn)》(JTGF80/12004）；《鋼結(jié)構(gòu)設(shè)計(jì)規(guī)范》(GB500172003)；《公路工程質(zhì)量檢驗(yàn)評(píng)定標(biāo)準(zhǔn)》（JTGF80/12004）；《公路工程施工安全技術(shù)規(guī)程》（JTJ07695）；《公路工程技術(shù)標(biāo)準(zhǔn)》（JTGB012003）；其它相關(guān)的施工及驗(yàn)收規(guī)范、規(guī)程；現(xiàn)場(chǎng)實(shí)際調(diào)查資料。二、工程概況本工程范圍內(nèi)設(shè)計(jì)有楊柳路分離立交橋、深圳大道互通主線橋、總干渠大橋、關(guān)公大道分離立交橋、荊門西互通主線橋1座、荊門西互通匝道橋2座共7座橋，橋梁墩柱設(shè)計(jì)參數(shù)具體見下表：橋梁全長（m）最大墩高（m)/個(gè)數(shù)序號(hào)橋臺(tái)類型橋梁名稱中心樁號(hào)墩柱類型12楊柳路分離立交橋深圳大道互通主線橋K1+K4+(無蓋梁)+蓋梁U型臺(tái)肋板臺(tái)34總干渠大橋K5+K5++蓋梁+蓋梁肋板臺(tái)U型臺(tái)關(guān)公大道分離立交橋567荊門西互通主線橋荊門西互通匝道橋I荊門西互通匝道橋IIK10+AK0+AK0++蓋梁+蓋梁+蓋梁肋板臺(tái)肋板臺(tái)肋板臺(tái)本工程橋墩均設(shè)計(jì)為圓形柱式墩，部分墩樁基間設(shè)系梁，墩間均不設(shè)系梁，除楊柳路分離立交墩頂無蓋梁，其他橋梁墩頂均設(shè)計(jì)有蓋梁；本工程橋臺(tái)有U型臺(tái)和肋板式橋臺(tái)兩種結(jié)構(gòu)形式，U型臺(tái)基礎(chǔ)為擴(kuò)大基礎(chǔ)，肋板橋臺(tái)基礎(chǔ)為承臺(tái)+樁基礎(chǔ)。三、施工總體部署(1)墩柱施工：墩柱鋼筋在加工場(chǎng)集中加工、現(xiàn)場(chǎng)綁扎，模板采用大塊定型鋼模1
板現(xiàn)場(chǎng)拼裝、風(fēng)纜與腳手架配合固定，攪拌站集中拌制砼，砼罐車運(yùn)輸至現(xiàn)場(chǎng)，吊車、竄筒與料斗配合澆注砼入模，人工振搗，砼澆注7天后拆模，采用無紡布覆蓋、灑水養(yǎng)護(hù)。本工程墩柱砼采用一次澆注。(2)蓋梁施工：蓋梁施工采用預(yù)留孔穿銷法施工，模板采用定型組合鋼模板，由吊車吊料斗送料或砼輸送泵泵送砼進(jìn)行施工。施工現(xiàn)場(chǎng)配備生產(chǎn)副經(jīng)理1名，技術(shù)主管2名，質(zhì)檢工程師2名，安全員2名，試驗(yàn)工程師1名，測(cè)量工程師1名，技術(shù)員6名，施工員4名，技術(shù)工人115名。勞動(dòng)力配備見下表所示：序號(hào)類別與工種電焊工鋼筋工砼工計(jì)劃人數(shù)1234567154025253模板工機(jī)修工電工2