涵洞混凝土施工技術交底(完)

1、management system;developedhascomputerand thenetwork ofnetworkorkse curity responsinagementpersonnel isresponsiblefor confidentialmanagnt,on computer enjoys independent right,r y,andrelease ofprovibility.According tow ho is i n charge ofwo isi nchargeofmanagementon security,assurasecurityprotection

2、assessmenetwork) for classifiedsecurity protection levels,withoutthirnformation systems 1ncere ssecurity responsibi lity hel dsystem,signed has netwnt,ofwhi ch1 (XX e ducationand resourceement, pa sswordmanagemeho is r unninga ndw hois responsiblsions is prohibite d,suchasleaks,investigatedforrespon

3、sissword ofthe computerforitsprng,se,mailservices,sucha - - L. . - /No for gradeprotection grading reequi pmentin tI .一he classroommdlepansychtohoolugsthtShu ais hast hreeyearst casescocomducationne compa nyonoudplatform implemented li nks thetwoplatforms At preudentston 10:1;809 e qui pmenWit h Int

4、el compa ny on XXEducationCitydomain- .1 - . . - e-Governme nt,resource lsetup aChinese teacher e(XXeducati on cloud platform),containsfeatures with .1 . _se-books,alli ntranetservi ces.- - "一 II .一 -I - Iccor ding t o information securi. I L I . I. . 1 II -ndar ds, a nd highofw.II .一 -ofthe ca

5、mpus netwu on teachingork.Tty gradeprotectindmanpowerII -. - I -on a bout poliblishment ofanplanning,and pointsste- - .一.on carried outinformatipoi ntsdigital resourcesfull coverprdvanced,oje ct ofimplemepracticalGigabit educationalmetropolitaon, usi ng schoolearthquake Hourentation programme, Estan

6、area network,tonsecuritygrade protection seconstructionofopportnt systemconstruction,a ndtechnology measuresblished XX,full coverage ofdigital resourhe city'sschools haveantaryand middleschools- _L -ces i n modern distance e ducation teachingnarea network,campus netwschools have computerconstruc

7、tion and gra一.一 -ork andeducatiprotectinformation systemsecurityma proje ctlea ding group,XX, chaire d theSnetwork s, close d-circuittelevisi on network ,broa dcast netw orks into the classrooms,realizeecretaryfore ducation.Establishe d,digital resourcesinmoderndistancee ducation teaching,using broa

8、 dcast TV network,wobviouslyfacility up t.I . I. .1 I. . Lo 160 milli onYuan,a- XXfull coverageprojectgroup, XX, Directnet ba ndwidt h, ca n meet theneechschool ,to minimumofcostachieve- - I,II . . . IIoroftheCe nterforeducati onalinformation andedsofteachi ngofthe schoolqui pment chaireccordi ngto

9、Ministryofe ducation onfull started implementatidZhu Guiyan, responsiblefor dista nce e ducation digitalres,hundredspusnetw orkand networka ccesstoallr ooms;-. 一.-on tea chi ng points digitale ducationresourceof megabytes of br. _ I 一 IXXeducati on metropolita一.-一 - .1.1oadbandtothe ta ble,'wire

10、 '(ie:We . . >n area netw orkceb,video, a udi o)tothe targe.11.11.XX cityschoolsfull coverpr oje ct of n otification(taught technidigitalresources ie ducation teachingfullnt intheProvinceDehiteboards,multimedia一 on standar dizationng group,digitalresourpartment ofe ducaticesianoonn issumeadna

11、classrooms,remoteinteractivevintplatform,the CentralLibraryof audiodeotea chi ng system of moderne.IL_I _.-visualeducatiducati onance teaching poi nts digitale ducation resourcesfullducationteachingon resources,projectgroupleadercover proje ctship and新建鐵路瑞昌至九江鐵路RJZQ 2 標廬山站DK205+036.4 1-6m 鋼筋 混凝土框架箱涵

12、混凝土施工技術交底書編號：RJZQ#1- m編 制：復 核：接 收：RJZQ 2 標項目經理部2014 年 10 月mprove,se curity prevention ca pacity obvi ously enhanced, security hiddefor allequi pmentin t heroom a regular dust,replace t heol d label.and Ci scoproducts.Inthe ir dailyw ork,to publicize related knowledgeand information se curity conside

13、rations.andsoluti ons through ameetitfohre geo-leod satearni lnligtespgraoucnedtshteatwiorking up theaparedRegularly host se rvers, netw orkswit che s,core routi ng,firewalls, hardwaremai ntena nceoblemdepartmenformation health devel opment. XXEducationCe ntreregularly carry outday-t o-day netw orks

14、ecuritymonitoringi nformation a nd e qui pment. By thea ppr opr iatetechni calstaff,XX network e ngine room mainte nance staffon site manageme ntand mai ntena nceon areg ularbasis, scheduledvie wing ofnetworks,systems,data base sand associate dequipme ntoperatingconditions, assof network ahself-exam

15、i, such asequipment fail ure, should be processed in atimelymanner indi nformation security,a nd strivet o achievenetworkeveryone knonation,we arewellaware,relative lack of investment in e ducation,facil4e4d,u8c3attion resootuhrecte otal num sfbuellrcoofvtearcprhoejresc,t studconsetnrutcntuiomnbmera

16、i nsa6g5e6m9eonftthmean orderto ensuresafe and reliassecurity andvirus and equipmeble operation ofthesystem.s beforethe guar d,to improvntforfurther updates,educaitcihtry'esgtaortdaltstude ointsta1l8la.3ti1 toe netw orkand informationsen XX cityinformationand equipmetiondev elopment isstillcurit

17、y,ensure that tntwas estaheXXeducatiw education conceptblishedwit hint he Ceherentre,educati onalmetropolita narea netw orkce nter machine roomXX.Serversand datastores a nd a pplicationsto setupi nXXCitymetropolita n area netwnd make arecord.Computerla b maintena nce managers reg ularly runa variety

18、of devices inthe schoolinformationsystem parameters,nux,the operatingsystem,thedatabaserver systemsand vari ous data ba ckup, so thatthere ws Micrasa har dwarefailurein asystem cra shcan resume quicklyaputer, informationsystem securityprd outspe cialfundnd efficie ntly. Computerlab maioducts fordome

19、sticntena nce ma nagers esta blish a netw orkantivir us system,Avira Vproducts,including the use of360 aofessi onala ndte chnicalteam,school_ _ L I>Inetworkmandking soft Inter-to-face ornetw orklearni ng,doeach teaching (indiIvniXXd,ual)adwivairsdi. To enxpoefdaitceleasdsu,caatciolanssinafotromta

20、altirzaantikenagers on commonpoi nts are ha- - .netse curitysoftware.irus system ona r egularba sis,a nda nti-virussoftwaree.XXeducati on metropolitanndtrbaeinicnagpa,bOlectoofbserol1v7i,n2g013,issescuueridty issues.XXrthdeschoodl trhuenni nationalngmlineivsetleroifasluopne,rv2isioprnsecurity asse s

21、sment,time ton area net workused bythe serverforHPIssuest hatcannoton a nd e qupgra de.Comp uter lab maintenance managementnd informati onsecurity productforHuaweings,analysis,-I. .1sschoolonc,heedrusciatin ouornciityrnefaocrhmeadti1o0n0.steering,steering,sXtXeesreiries ofnefgfewcittihvteinfohremeat

22、ionnd, principal sof e ducationinformationintoperformance a ssessmenta nd school levelmonitori ngand evaluati on,to developa scientific,operational educati on information steeringa ssessment methods,tracki ng manageme nt of educati oninformation andapplicati ons.By March2016,100ofthe teachers, I par

23、ticipated i n a nati onal educationalte chnol ogytraining for primarya nd secondaryschool teachers,thetea chers have made to cut 80 primarya ndmiddle schoolteachers'e ducationaltechnologyprofici encytestcertificate.At present,all schools hav eaccessto br oadband networks.Training classification

24、traini ng ofteachers, schoolteachers, academicleang andn etworkmanageme nt personnelfromthe Countonce traini ng is compl ete.混凝土施工技術交底單位：中鐵四局瑞九鐵路RJZQ-2標工程名稱DK205+036.4 1-6m鋼筋混凝土框架箱涵設計 圖號通橋(2014)5401-09接受單位涵洞施工班組部位卜部結構施工里程DK205+036.4一、質量標準混凝土涵洞允許偏差和檢驗方法序號項目允許偏差（mrm檢驗方法1邊翼墻、中墩距設計中心線位置20測量檢查/、少于5處2墻頂、拱

25、座頂血局程±153孔徑±20尺量檢查/、少于5處4涵長+100 -505厚度+ 10 -5頂板、底板、邊墻各檢查 2處6涵身接頭錯臺10尺量檢查/、少于5處二、施L匚藝及技術操作要點1、混凝土澆筑涵洞混凝土由攪拌站集中生產供應，混凝土運輸車運輸，由汽車泵直接澆筑?；炷翍謱舆M行澆筑，不得隨意留置施工縫。其分層厚度不大于300mm混凝土澆 筑過程中，邊澆筑邊進行振搗使其均勻密實，振搗采用插入式振搗器垂直點振，插 入式振搗器的移動間距不大于振搗器作用半徑的1.5倍，且插入下層混凝土內的深度為50100mm與側模保持0100mm勺跑離。當振搗完畢需變換振搗棒在混凝土拌和物中的水

26、平位置時，應邊振動邊豎向緩 慢提出振動棒，不得將振搗棒放在拌和物內平拖，不得用振搗棒驅趕混凝土。避免 碰撞模板鋼筋及其他預埋部件?；炷了涠容^小時，應加密振點分布。每一振點的振搗延續(xù)時間宜為2030s, 以混凝土不再沉落、不出現氣泡、表面呈現浮漿為度，防止過振、漏振。混凝土振 搗完成后，及時修整，抹平混凝土裸露面，彳寺定漿后再抹第二遍并壓光。抹面時嚴禁 灑水，防止過度操作影響表層混凝土的質量。i ltee1#斜桿S6橫梁S2結點板S14擋喳板S5結點板S16第一層澆筑示意圖（底板底至底板頂面以上30cm處）第二次澆筑前須將已澆筑完的混凝土面鑿毛（鑿至漏出粗骨料、新鮮混凝土面）， 再進行第二次

27、側墻及頂板混凝土澆筑?；炷琳駬v過程中，避免重復振搗，防止過 振，加強檢查模板支撐的穩(wěn)定性和接縫的密合情況，防止在振搗混凝土過程中產生 漏漿?；炷翝仓舷铝幸?guī)定：混凝土拌制前，應測定砂、石含水率，并根據測試結果及時調整施工配合比。 當遇雨天時，應增加含水率檢測次數。每工作班檢查不少于一次?；炷涟柚七^程中，應對混凝土拌和物的坍落度進行測定，測定值應不超過 理論配合比坍落度的控制范圍。每拌制 50n3或每工作班測試不應少于一次。 混凝土的入模溫度不大于 30Co冬期施工時，混凝土的出機溫度不宜低于 10 C,混凝土的入模溫度不應低于 5C。每工作班至少測溫3次并填寫測溫記錄。新澆筑混凝土入

28、模溫度與鄰接的己硬化混凝土表面溫度的溫差不得大于15Co與新澆筑混凝土接觸的已硬化混凝土、 鋼筋和模板的溫度不得低于2C。每部 位測溫一次并填寫測溫記錄?；炷恋臐仓樞驗橄葷仓吹装宕_到設計強度后進行底板和墻身施 m o2、試塊制作混凝土的強度等級必須符合設計要求，混凝土力學性能標準條件養(yǎng)護試件的試 驗齡期為56d。力學性能標準條件養(yǎng)護試件應在混凝土的澆筑地點隨機抽樣制作，具Th tai-in .- pabily taich- r- h.d 100.2試件的取樣與留置頻率應符合下列規(guī)定： 每拌制100盤且不超過100m3的同配合比的混凝土，取樣不得少于一次。 每工作班拌制的同一配合比的混

29、凝土不足 100盤時，取樣不得少于一次?，F澆混凝土的每一結構部位，取樣不得少于一次。 每次取樣應至少留置一組試件?；炷镣瑮l件養(yǎng)護法試件的抗壓強度必須符合設計要求?；炷量箟簭姸韧瑮l 件養(yǎng)護法試件的留置組數應按設計要求、相關標準規(guī)定和實際需要確定。3、混凝土養(yǎng)護混凝土澆筑完畢后，常溫下應按時進行灑水保濕養(yǎng)護，自然養(yǎng)護期間，應在混 凝土澆筑完畢后1h內對混凝土進行保溫保濕養(yǎng)護；混凝土內部溫度不宜超過60C,最高不得大于65 C；混凝土內部溫度與表面溫度之差、表面溫度與環(huán)境溫度之差不 宜大于20C；養(yǎng)護用水溫度與混凝土表面溫度之差不得大于 15C；養(yǎng)護時間不小于 14d。當環(huán)境溫度低于5c時禁止灑

30、水，采取薄膜包裹或覆蓋草席、毛氈等進行保溫 保濕養(yǎng)護。4、混凝土拆模拆模時混凝土內部與表面、表面與環(huán)境之間的溫差不得大于20Co混凝土內部開始降溫前不得拆模，大風及氣溫急驟變化時不應拆模。涵洞沉降縫采用聚乙烯泡沫板，沉降縫要求豎直，且涵身基礎沉降縫必須在同 一截面。本段涵洞板厚均小于30cm,止水帶采用背貼式止水帶，其中底板下的止水帶可 在澆筑涵身混凝土之前將止水帶鋪設固定于涵身沉降縫處的墊層（或出入口涵節(jié)的 基礎）上，然后澆筑混凝土即可。邊墻和頂板止水帶在涵身混凝土達到設計強度后， 用膨脹螺栓、鋼板條固定于涵節(jié)端部框架外緣呈環(huán)形布置。止水帶中間圓環(huán)部分應 位于沉降縫中心線上，施工時注意準確定

31、位。止水帶宜用整根盡量減少接頭，接頭 應粘接牢固密不透水，接頭宜設在沉降縫的平直部位，不得設在涵身邊墻與頂底板 轉角處。背貼式止水帶頂板和邊墻安裝材料用量（每米止水帶）M10膨脹螺栓5套（含墊 圈）；50*3mni岡板壓條2根，重2.34kg,鋼板壓條上的螺栓孔 11mmi岡板壓條采用 Q235鋼板。 cuiy . hdde a nd -u. a -Xet ob.usy re d fecve guaa-s infmain >-d-.pmet XX E-On,efr. carry oU to dy new or a pmet. ecni . eng ncesafn s. managment

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40、-e pi.e It止水市施工注息事項：(1)止水帶接頭應連接牢固，密不透水。(2)止水帶接頭應設在沉降縫的平直部位，不得設在沉降縫的轉角處。(3)水帶不得長時間露天曝曬，防止雨淋，勿與污染性強的化學物質接觸。(4)在運輸和施工中，防止機械，鋼筋損傷止水帶。(5)施工過程中，止水帶必須可靠固定，避免在澆注混凝土時發(fā)生位移，保證 止水帶在混凝土中的正確位置。(6)對于有錯臺的框架涵沉降縫，止水帶安裝可采用加臺的方法處理，錯臺寬 度為4050cmi高度與錯臺高度相等。涵洞兩側側墻部分直接采用聚氨酯防水涂料做防水層施工，其涵洞頂防水層做 法：抹一層M10水泥砂漿墊層一粘貼聚氨酯防水涂料一聚氨酯防水卷

41、材一4cm厚C40纖維碎且成2公子坡。兩側側墻部分直接采用聚氨酯防水涂料防水層施工，具涵洞 頂防水層做法：直接填筑不透水土保護層20cmi防水涂料按甲、乙兩組份配比準確、 攪拌均勻、涂刷均勻、無漏刷現象。防水層施工前將涵身上的尖凸處打磨平整，將泥土、雜物等清除干凈，保持涵 身表面干燥，以保證防水材料與涵身的粘結，保護層為4cm厚C40細石混凝土。涵洞過渡段填筑應在涵身結構達到設計強度后進行，過渡段施工的要求，涵身兩側1m范圍內的填土不得用大型機械施工， 宜采用人工配合小型機械的方法夯填密實，涵身兩側分層對稱回填壓實。-涵洞出入口邊坡、錐坡、溝床底部填鋪碎石墊氤、錐坡、溝床、 垂裙采用C30混凝

42、土澆筑注意控的整向 涵洞國"口檢查臺階采用M10漿砌片據柒通肺層杓幽 t- e -p n- p-il. Ct.iecled 三、安全及文明施工注意事項安全措施：1、加強對施工人員的安全教育。2、所有施工人員必須戴安全帽，作業(yè)時禁止穿拖鞋。3、用電設備應實一機一閘一漏一箱。漏電保護裝置應與設備相配套，不得用 一個開關直。夜間施工配足夠的照明燈，電力線必須由電工人員架設及管理，開關 須肩防雨保護且安設牢固，并設有漏電保護器。4、應對施工現場、機具設備及安全防護設施等，進行全面檢查，由安質部確認 符合安全要求后方可施工。施工所用的各種機具設備和勞動保護用品，應定期進行 檢查和必要的檢驗，保證具經常處于完好狀態(tài)；不合格的機具設備和勞動保護用品 嚴禁使用。文明施工及環(huán)境保護措施：1、現場施工時不得破壞附近的植被等；2、施工過程中不得污染水土資源；3、不得隨意堆放，及時回收現場