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003南側(cè)明挖段土建工程主體結(jié)構(gòu)、防水工程分部工程質(zhì)量評估報告-文庫吧資料

2025-06-12 16:56本頁面
  

【正文】 arn to speak, but to spend a few years time to shut up. That is a kind of ability, that is a kind of wisdom. 16, life is not perfect, sometimes, growth is not a cry, not an eyeful of tears, there is no trace of emotion, there is no gleam of hope, no desire, no action, no static, there is only one kind of downward sinking feeling, sink A murky? 6? 7? 6? 7 sink? 6? 7? 6? 7 toward the bottom of the sink. 17, in some way, do not go, you will not know the other side scenery is beautiful. To you is not good, you do not mind too much, no one has an obligation to you。t envy him A sum of, don39。am, like a movie, learn to appreciate, learn to be grateful, learn tolerance, and goodness, helping others. Instead of accusing the society, as into one。t envy who. Like a person is a kind of feeling, not like a person is true. The truth is easy to explain, I feel Is unspeakable. The best travel life is that you in a strange place found a long lost touched. 11, happy life not in the bustling in, and in the peace of mind。s mouth, because words will reduce its importance。 you pain, no one can understand. Then you only tears to smile. 8, each people have youth,Each youth are a story, the life of the world never gets easier, I want what, wish the world all know, as has been the same。 loss of sink, Eritrea pany. When you are in adversity, may wish to change a point of view to think everything over to the good Think, because good mentality decided the fate of the! 7, people are tired, rest。 and when we are in a negative state of mind, you will find many depressed things。m afraid he turned to it as a joke to tell don39。t be narrowminded. Poke to care, is a kind of openminded, a free and easy. 5, I am not afraid of others behind me a knife, I afraid to look back and see stab me, is my intention to treat people。t get into a blind alley, don39。 not unrewarding perfunctorily, but calm attitude of life of unrestrained selfconfidence. Plain living, there is no noise noisy, no earthly troubles, more did not fill in the discontent of desire, some just a calm, a calm. 3, memory of heart will not good things to erase the, life is a When no movie, pain is a beginning, the struggle is a kind of process, death is a kind of ending. Give up this giving up is the helpless, do not give up the abandoned, do not give up this giving up is ignorance, do not give up should not give up is persistent. 4, a thing figured is heaven, think impassability is hell. Since the living, to live better. Sometimes we because of too narrowminded, too care around the chores and penny wise and pound foolish, not worth the candle. Some things to attract trouble and worry, pletely depends on how we look at and deal with it. Don39。 not to have conquered, but to have fought well. 2, the plain is the background of life. Live a plain life, give up on themselves is not a coward, but the wise answers。 to implement , do not want to, dare not, not with disciplinary ruler to supervision。綜合評定該分部工程合格。綜合評定該分部工程合格。、安全質(zhì)量保證措施、文明施工資料齊全。、齊全。經(jīng)監(jiān)理部檢查驗收,達到結(jié)構(gòu)質(zhì)量要求。經(jīng)分析,主體原因有如下幾方面:①商品混凝土使用的粉煤灰量較多,容易引起結(jié)構(gòu)強度后期發(fā)裂中收縮裂紋滲水;②結(jié)構(gòu)澆筑正處于南方高溫時段,水化熱和入模溫度共同影響結(jié)構(gòu)產(chǎn)生裂紋;③側(cè)墻澆水養(yǎng)護效果較差;④施工縫處理不徹底,引起滲水。三、工程質(zhì)量缺陷原因分析和處理措施明挖主體結(jié)構(gòu)拆模后,監(jiān)理部進行了全面檢查,局部有麻面現(xiàn)象,施工人員按規(guī)范要求進行修光處理,總體拆模后的表觀質(zhì)量良好。建立了完善的質(zhì)量制度;施工過程質(zhì)量檢查實行三檢制,通過上述質(zhì)保體系,確保了施工過程中工程合格率100%、優(yōu)良率90%等各項質(zhì)量指標的實現(xiàn)。加強文件資料的管理施工過程中注意監(jiān)理日志,旁站記錄等相關(guān)資料的及時填寫,對各種來文文件、施工技術(shù)資料和簽證資料,監(jiān)理均實行分類管理,編好目錄,存檔留查。發(fā)現(xiàn)施工問題及時糾正,提出返工、整改,必要時采用書面形式簽發(fā)監(jiān)理通知書等指令,針對施工中存在的問題我部及時下發(fā)了《關(guān)于進一步加強現(xiàn)場安全和質(zhì)量管理的通知》、《關(guān)于嚴厲整改普通明挖段F段側(cè)墻及軌排井環(huán)梁鋼筋綁扎不規(guī)范行為的通知》等監(jiān)理通知,承包單位均按監(jiān)理通知做出書面答復并嚴格執(zhí)行監(jiān)理工程師對工程質(zhì)量進行管理的指示,保證了工程質(zhì)量的有效控制。按相關(guān)規(guī)定組織了樣板工序驗收:主體結(jié)構(gòu)鋼筋綁扎及防水樣板工序驗收于2008年6月5日在高~機區(qū)間施工現(xiàn)場進行,由市質(zhì)檢站、建設事業(yè)總部、質(zhì)安室、設計、監(jiān)理及承包商等六方單位的相關(guān)人員對防水相關(guān)事宜驗收,與會代表一致認為此次施工過程工序安排合理、操作規(guī)范,可以作為后序施工的樣板。原材料檢驗結(jié)果和混凝土抗壓、抗?jié)B試驗檢測情況匯總見下表。采取監(jiān)督、測試或取樣復測的方法進行全過程監(jiān)控量測,施工中每天進行量測,堅持每天將監(jiān)控量測的數(shù)據(jù)報送監(jiān)理,并及時反饋,確保了鋼支撐拆除等過程中深基坑的施工安全。加強監(jiān)理測量復核和測量監(jiān)測工作,確保工程順利進行在地鐵工程建設中,測量復核工作貫穿于監(jiān)理的全過程。防水板固定墊圈間距在側(cè)墻處為800mm,在拐角處適當加密,底板與邊墻壁交接處拐角須加設一層附加防水板?;鶎拥南噜彵砻鏄?gòu)成的轉(zhuǎn)角處,應做成圓弧形或鈍角,陰角部位圓弧半徑不小于10cm,陽角部位圓弧半徑不小于5cm,基面處理完后,必須經(jīng)驗收合格后,方可進入下一道工序施工。對已澆完畢的砼督促承包商采用噴淋裝置進行養(yǎng)護,確保主體結(jié)構(gòu)的施工質(zhì)量。堅持和加強旁站監(jiān)督對施工實行質(zhì)量和安全監(jiān)控,加強現(xiàn)場巡視和旁站相結(jié)合,對施工中的關(guān)鍵部位、關(guān)鍵工序,監(jiān)理人員堅持在現(xiàn)場進行監(jiān)督管理。如在2008年9月16日, E段基坑底板防水施工中基底不干燥情況下進行防水板施工,承壓水破壞防水保護層,監(jiān)理工程師現(xiàn)場立即督促防水基層返工,在基底干燥后經(jīng)監(jiān)理驗收后,方同意進行下一工序施工。監(jiān)理嚴格堅持承包商施工工班自檢、現(xiàn)場技術(shù)人員和質(zhì)檢工程師復檢的“三檢制度”,監(jiān)理工程師根據(jù)施工報送的隱蔽工程報驗申請表和自檢結(jié)果進行現(xiàn)場檢查,凡未經(jīng)自檢的工序監(jiān)理不檢查和簽認,凡檢查驗收不合格的工序,監(jiān)理拒絕簽認,并嚴禁承包單位進行下一道工序,以工序質(zhì)量確保工程質(zhì)量。以樣板工序驗收明確具體標準,以工序驗收保證工程質(zhì)量每個工序全面開工時先明確詳細標準,監(jiān)理部以樣板工序驗收為契機,組織參建各方現(xiàn)場指導驗收,以此指導后面工程各個工序施工,不能降低標準,只在越做要求就越高,質(zhì)量就越好。監(jiān)理部注重事中控制,通過旁站、跟蹤、監(jiān)測信息反饋,及時把問題消滅在萌芽狀態(tài),阻止問題的擴大和惡化。始發(fā)井基坑南端基坑(E、F段)土方開挖后發(fā)現(xiàn)兩股小的滲漏水,未引起重視和及時處理,變?yōu)橛克?,參建人員迅速采取措施,先采取樁間掛鋼筋網(wǎng)噴射混凝土進行止水,同時地面要采用注漿、旋噴樁等多種形式止水措施進行加固,迅速控制水源,同時防止事故擴大影響基坑的安全。預防為主,重在事先,結(jié)合明挖結(jié)構(gòu)施工質(zhì)量技術(shù)控制的重點和難點,進行工作規(guī)劃,編寫技術(shù)交底。堅持預防為主,堅持事前、事中和事后全過程控制質(zhì)量控制的范圍將包括對施工圖紙質(zhì)量的控制,參與施工人員的質(zhì)量控制,對工程使用的原材料、構(gòu)配件和半成品的質(zhì)量控制,對施工機械設備的質(zhì)量控制,對施工方法與方案的質(zhì)量控制,對生產(chǎn)技術(shù)、勞動環(huán)境、管理環(huán)境的質(zhì)量控制。 提高業(yè)務水平,強化質(zhì)量意識,把握工程重點該工程規(guī)模較大,場地內(nèi)地質(zhì)條件復雜,工期壓力大,存在大體積砼澆筑施工,全體監(jiān)理員努力提高自身業(yè)務水平,強化質(zhì)量意識,確定了本工程中監(jiān)理工作的重點:鋼筋焊接質(zhì)量及模板、滿堂支撐的穩(wěn)定性是控制結(jié)構(gòu)尺寸、受力的關(guān)鍵;混凝土的澆筑和養(yǎng)護是確保結(jié)構(gòu)強度及密實的主要因素;防水工程中,防水基面的處理和PVC防水板的固定、焊接都是工序施工重點;基坑回填施工中,對回填料的選取、回填料的壓實要求是重點。編制了主體結(jié)構(gòu)施工監(jiān)理細則、防水施工監(jiān)理細則、測量監(jiān)理細則,按照監(jiān)理細則的要求進行施工過程監(jiān)督管理。為更好落實施工設計圖紙,保證安全、質(zhì)量,施工前監(jiān)理部針對項目施工情況及重難點編制了《廣州地鐵三號線北延監(jiān)理四標高增站~新機場南站區(qū)間監(jiān)理實施細則》,重點審查了承包商上報的《施工組織與設計》、《高機區(qū)間防水工程施工方案》、《始發(fā)井明挖段主體結(jié)構(gòu)施工方案》等,監(jiān)理部組織了定期學習,駐地監(jiān)理對于重點工序24小時值班旁站監(jiān)督質(zhì)量,并針對關(guān)鍵節(jié)點進行計劃性驗收,合理指導承包商對工程進度及施組進行優(yōu)化施工,有效地縮短工序銜接時間及提高結(jié)構(gòu)施工質(zhì)量,監(jiān)理部嚴格按照目前規(guī)定重大施工方案必須進行5人專家審查的要求督促承包商落實,如始發(fā)井主體結(jié)構(gòu)使用滿堂鋼管架作為整體支撐,由于主體結(jié)構(gòu)中頂板梁板尺寸均達到高支模方案審查要求,監(jiān)理部全過程督促承包商落實方案專家組審查工作,在通過專家組審查后,監(jiān)理部再做認真徹底的復核計算審查,嚴把方案關(guān),保證了工程的順利開展及安全。二、質(zhì)量保證體系為了圓滿順利完成業(yè)主委托的監(jiān)理任務,三號線總監(jiān)辦制定了質(zhì)量控制、進度控制、投資控制、安全控制的目標,要求各監(jiān)理部堅持工程利益第一、業(yè)主利益第一的原則,積極主動配合業(yè)主,利用地下工程的監(jiān)理優(yōu)勢,采取強有力和規(guī)范化的監(jiān)理措施,把握住工程的重點和難點。主體結(jié)構(gòu)于2008年5月17日正式開工,于2008年10月26日完工;防水工程于2008年5月16日開工,于2008年11月5日完工。始發(fā)井區(qū)間明挖結(jié)構(gòu)采取結(jié)構(gòu)自防水為主,附加全外包柔性防水為輔的防水措施,外側(cè)設計全包外防水,采用70mm厚細石混凝土作保護層;,采用土工布作保護層,采用50mm厚細石砼作保護層?!?,, ,,為單層雙跨箱形框架結(jié)構(gòu),采用明挖順作法施工,結(jié)構(gòu)外設置全包防水層。結(jié)構(gòu)向下穿越地層為:1人工素填土層→2沖積~洪積土層→6巖石全風化土層→7巖石強風化土層→9c2巖石微風化巖層。廣州市軌道交通三號線北延段監(jiān)理4標【高~機盾構(gòu)區(qū)間】監(jiān)理部廣州市軌道交通三號線北延段【高增站~機場南站】盾構(gòu)區(qū)間南側(cè)明挖段土建工程主體結(jié)構(gòu)、防水工程分部工程質(zhì)量評估報告廣州軌道交通建設監(jiān)理有限公司三號線北延段監(jiān)理4標【高~機】盾構(gòu)監(jiān)理部二○○九年四月二十日廣州
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