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1、中鐵二十局集團(tuán)成武高速公路CW8標(biāo)合同段項(xiàng)目部蓋梁作業(yè)指導(dǎo)書(shū)編制:審核:批準(zhǔn):受控狀態(tài):(蓋章受控)發(fā)放編號(hào):發(fā)送:samplingasroutine.Themeasuringinstruments,measurement,instrumentation,testingequipmentinaccordancewiththePeople'sRepublicofChinaActprovidedforproofingandtestingofmeasurement,newequipmentmusthaveacertificateofcompetency,stand
2、ardscanbeused.14.2.8informationrecordedandsavedasasingleproject,anyconstructionstepsmusthaveatechnicianofconstructionteamleadersignatureconstructionlogs.Itshouldinclude:warrantyplanworkprocedures;standardspecificationfortechnicalprocurementspecifications;baselineandbenchmarkmeasure
3、mentrecords;constructioncrosssectionheightrecords;identificationofconcrete,steelandrawmaterialtestingrecords;recordsofnonconforming;reviewoftheaccidentreportandrecordtheresults.14.3eachsingleengineeredqualityassurancemeasures14.31,Earth-rockexcavationqualitycontrolmeasuresduringexc
4、avationofthesitesurveyorsshouldbefamiliarwiththedrawingsandretestbeforeconstructionsurveyingcontrolnetworkinformationprovidedbyownersandtheaccurateconstructionlines,excavationofconstructionmustbeinstrictaccordancewithtechnicalmeasuresandcontrol.Topsoildredgingmustdigtoaspecifieddep
5、th,toadoptthenecessarymeasurestopreventthesoilfrombeingwashed...2,constructionandlivingroomstobebuiltstrictlyaccordingtotheplan,itisforbidden1.概述為了確保蓋梁施工質(zhì)量,并符合環(huán)保和職業(yè)健康安全等要求,編制本作業(yè)指導(dǎo)書(shū)。2.適用范圍適用于成武高速公路CW8合同段平洛河2#特大橋蓋梁施工.3.參照文件1、《公路橋涵施工技術(shù)規(guī)范》JTJ041-2000。2、《公路工程質(zhì)量檢驗(yàn)評(píng)定標(biāo)準(zhǔn)》JTJ071-98。3、成武高速公路C
6、W8標(biāo)合同段《兩階段施工設(shè)計(jì)圖》。4、成武高速公路CW8標(biāo)《合同要求技術(shù)規(guī)范》。4.工程概況:成武高速公路CW8標(biāo)平洛河2#特大橋里程樁號(hào)K38+270,孔數(shù)-跨徑為101*20,交角90度,上部結(jié)構(gòu)形式為預(yù)應(yīng)力混凝土組合箱梁,橋墩形式為柱式墩樁基礎(chǔ),橋臺(tái)形式為柱式臺(tái)肋板臺(tái)樁基礎(chǔ),且上跨拱橋和S205改路。5.施工方案(一)、施工準(zhǔn)備立柱達(dá)到設(shè)計(jì)要求的強(qiáng)度并對(duì)其頂面標(biāo)高進(jìn)行復(fù)核后,進(jìn)行鑿毛處理,報(bào)監(jiān)理檢驗(yàn),合格后進(jìn)行蓋梁施工。(二)、模板底部支撐工字鋼支架工字鋼支架施工前首先驗(yàn)算其強(qiáng)度和穩(wěn)定性。經(jīng)監(jiān)理同意后使用此方案。同樣對(duì)支撐面進(jìn)行詳細(xì)檢查,地基承載力不足
7、的進(jìn)行夯實(shí)處理,并在工字鋼支架下搭設(shè)楔形塊以擴(kuò)大受力面積,保證澆注混凝土后不發(fā)生超過(guò)允許值的沉降量。支架安裝完畢后,對(duì)其平面位置、頂部標(biāo)高、節(jié)點(diǎn)連接及縱、橫向穩(wěn)定性進(jìn)行全面檢查,符合要求后進(jìn)行下道工序。(三)、鋼筋制安1、材料1)、所有的鋼材廠家由業(yè)主指定,鋼筋進(jìn)場(chǎng)都必須有出廠合格證,使用前都必須經(jīng)試驗(yàn)室檢查,合格后方可用于施工。2)、使用合格的J506焊條。samplingasroutine.Themeasuringinstruments,measurement,instrumentation,testingequipmentinaccordancewit
8、hthePeople'sRepublicofChin