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1、生料均化庫頂鋼結構施工方案一、 工程概況生料均化庫工程為單筒體工程，庫頂標高為54m，直徑為22.6m，樁基承臺砼強度等級為C30，筒壁、庫壁為C30，庫內中心錐體為C40，梁、板、柱子及獨立柱基等均為C25，樁身采用C40砼，筒倉10.518m以下筒壁為800m厚，10.518m以上庫壁為450mm厚，環筋的搭接長度為52d，搭接接頭率為25%，庫頂設鋼桁架，上鋪YX-70-200-600型壓型鋼板，庫頂板為120mm厚鋼筋砼板，10鋼筋雙層雙向，采用C25防水砼，抗滲等級S6，庫頂鋼桁架由四榀GJ1、GJ1A與GJ2、GJ2A組成，GJ1與GJ1A關于A軸對稱布置，GJ2與GJ2A關于A軸2、對稱布置，GJ1（GJ1A）尺寸為191922650mm，每榀重4948kg，GJ2（GJ2A）尺寸為225242650mm，每榀重5930kg。二、 施工方法（一） 鋼梁1、鋼結構制作方法A、鋼結構制作前的準備：根據圖紙材料表算出各處材質、規格的材料凈用量，再加一定數量的損耗，提出材料預算計劃，根據使作尺寸合理定貨，以減少不必要的拼接和損耗，并對來料規格、尺寸和重量仔細核對材質。B、生產場布置：鋼梁場地布置在生料均化庫的吊塔附近，利用風化石平整一塊4010米的地方。C、鋼梁制作前在現場放樣，并在跨中按0.5%起拱。2、鋼結構拼裝和連接A、首先放樣和號料，根據工藝要求預留焊接收縮余量及切割、刨3、邊和銑邊和銑平等加工余量。部件切割線與號料線的允許偏差應符合規定要求。B、切割前應將鋼材料表面切割區域內的鐵銹、油污清除干凈。切割后，斷口上不得有裂紋和大于1.0mm的缺棱，并應清除邊緣上的熔瘤和飛濺物。3、鋼結構連接A、構件焊接：焊工應經考試并取得合格證后方可施焊，焊條使用前必須按照質量證明書的規定進行烘焙，焊絲應除凈銹蝕和油污。首次采用的鋼種和焊接材料，必須進行焊接工藝性能和力學性能試驗，符合要求后方可采用。施焊前焊工應復查組裝質量和焊縫區的處理情況，如不符合要求，應修整合格后方能施焊，焊接完畢后應清除熔渣及金屬尺濺物，并在焊縫附近打上鋼印。多層焊接應連續施焊，其中每一層焊道焊完后應及時清4、理，如發現有影響焊接質量的缺陷，必須清除后再焊。焊縫出現裂紋時，焊工不得擅自處理，應申報焊接技術負責人查清原因，訂出修補措施后，方可處理。嚴禁在焊縫區以外的線材上打火引弧，在坡口內起弧的局部面積應熔焊一次，不得留下弧坑。對接和T型接頭的焊縫，應在焊件的兩端配置引入和引出板，其材質和坡口型式與焊件相同，焊接完畢用氣割切除并修磨平整，不得用錘擊落。鋼結構焊接完畢，焊縫質量檢驗分三級，各級檢驗項目、檢查數量和檢查方法按焊接質量檢驗級別進行。首先外觀檢查：焊縫金屬表面焊波應均勻，不得有裂紋、夾渣、焊瘤、燒穿、弧坑和針狀氣孔等缺陷，焊接區不得有飛濺物。焊縫外觀檢驗質量標準符合規范要求，對接焊縫外形尺寸的5、允許偏差符合規范要求，貼角焊縫外形尺寸允許偏差符合規定的要求。第二進行無損檢驗：X射線檢驗焊縫缺陷分兩級，并應符合X射線檢驗質量標準，其檢驗方法應按照GB332387規定進行。超聲波檢驗焊縫質量應符合規范要求，并按JB1152-82規定進行。鋼結構成品矯正與檢驗a、鋼結構成品根據允許偏差進行檢驗，超出規定必須進行矯正。b、本工程鋼結構在熱態下矯正。矯正工作環境溫度的控制和熱加工（加熱）溫度的限值，應符合規范要求。進行熱矯正時，控制最高加熱溫度及冷卻速度，不得損壞鋼材材料組織。c、成品檢驗構件的各項技術數據經驗合格后，對加工過程中造成的焊疤、凹坑應予補焊并鏟磨平整，對臨時支撐、夾具應予割除。鏟磨6、后零件表面的缺陷深度不得大于材料厚度負偏差的1/2，產品經過檢驗部門簽收后進行涂底，并對涂底的質量進行驗收。鋼結構成品表面處理、油漆、堆放和運輸a、鋼結構的除銹和涂底工作在質量檢查部門對制作質量檢驗合格后方可進行。除銹與施涂工協調一致。金屬表面經除銹處理后及時施涂防銹涂料，在6小時以內施涂完畢。b、鋼結構油漆:涂料、涂刷遍數、涂刷厚度均應符合設計要求，配置好的涂料不宜存放過久，涂料應在使用的當天配置，稀釋劑的使用應按說明書的規定執行，不得隨意添加。涂層時工作地點的溫度應為5-38C之間，相對濕度不應大于85%。雨天或構件表面有結露時，不宜作業，涂后的四個小時內嚴防雨淋。施工圖中不涂裝的部位不得7、涂裝，安裝焊縫處應留出3050mm，暫不涂裝。涂裝應均勻，無明顯起皺、流掛，附著應良好，涂裝完畢后應在構件上標注構件的原編號。c、鋼結構成品堆放:成品驗收后，堆放場地應平整干燥，并備有足夠的墊木、墊塊，使構件得以放平、放穩。側向剛度較大的構件可水平堆放，當多層疊放時，必須使各層墊木在同一垂線上，同一工程的構件應分類堆放在同一地區，以便發運。鋼結構安裝安裝施工方法本工程吊裝設備選用QTZ63塔吊及150T履帶式吊車配合吊裝，吊裝前，由施工人員彈出鋼梁預留槽口的中心線與標高，經校核無誤時，準備開始吊裝。a、由持有特種作業上崗的起重工專人指揮，吊點綁扎在距梁端4m處對稱綁扎。b、根據我單位以往吊裝的8、經驗，塔吊的額定起重力矩63T.M，且有一定的安全系數，靠塔吊附近的一根梁由塔吊可以吊裝就位，另三根梁需150T履帶式吊車與塔吊共同配合吊裝就位。吊裝平面圖見附圖。c、吊裝時要注意天氣情況，六級以上大風嚴禁施吊。d、高空作業人員上崗前要進行體格檢查，有職業禁忌者不許上崗。e、設備安全警戒區，并派專人值班。f、鋼構件吊裝時采取適當措施防止構件產生過大的變形，應墊好吊索與構件接觸的部位，以免損傷構件。g、結構焊接，采用小直徑焊條和較小電流進行，焊接次序由中央向兩側對稱施焊。h、不得利用已安裝就位的桿件起吊重物，以免引起變形。i、鋼結構安裝就位后，應對在運輸、吊裝過程中漆膜脫落部位以及安裝焊縫兩側未9、涂油漆的部位補涂油漆，使之不低于相鄰部位的防護等級。j、為使鋼件在吊起后不致發生搖擺和其他構件碰撞，起吊前在離支座的節間附近用麻繩捆牢，隨吊隨放松，以此保證其正確位置，綁扎點要保證吊裝穩定性。g an employment tribunal claimEmployment tribunals sort out disagreements between employers and employees.You may need to make a claim to an employment tribunal if: you dont agree with the disciplinary ac10、tion your employer has taken against you your employer dismisses you and you think that you have been dismissed unfairly.For more information about dismissal and unfair dismissal, seeDismissal.You can make a claim to an employment tribunal, even if you haventappealedagainst the disciplinary action y11、our employer has taken against you. However, if you win your case, the tribunal may reduce any compensation awarded to you as a result of your failure to appeal.Remember that in most cases you must make an application to an employment tribunal within three months of the date when the event you are c12、omplaining about happened. If your application is received after this time limit, the tribunal will not usually accept it.If you are worried about how the time limits apply to you, take advice from one of the organisations listed underFurther help.Employment tribunals are less formal than some other13、 courts, but it is still a legal process and you will need to give evidence under an oath or affirmation.Most people find making a claim to an employment tribunal challenging. If you are thinking about making a claim to an employment tribunal, you should get help straight away from one of the organi14、sations listed underFurther help.If you are being represented by a solicitor at the tribunal, they may ask you to sign an agreement where you pay their fee out of your compensation if you win the case. This is known as adamages-based agreement. In England and Wales, your solicitor cant charge you mo15、re than 35% of your compensation if you win the case.If you are thinking about signing up for a damages-based agreement, you should make sure youre clear about the terms of the agreement. It might be best to get advice from an experienced adviser, for example, at a Citizens Advice Bureau. To find yo16、ur nearest CAB, including those that give advice by e-mail, click onnearest CAB.For more information about making a claim to an employment tribunal, seeEmployment tribunals.The (lack of) air up there Watch mCayman Islands-based Webb, the head of Fifas anti-racism taskforce, is in London for the Foot17、ball Associations 150th anniversary celebrations and will attend Citys Premier League match at Chelsea on Sunday.I am going to be at the match tomorrow and I have asked to meet Yaya Toure, he told BBC Sport.For me its about how he felt and I would like to speak to him first to find out what his expe18、rience was.Uefa hasopened disciplinary proceedings against CSKAfor the racist behaviour of their fans duringCitys 2-1 win.Michel Platini, president of European footballs governing body, has also ordered an immediate investigation into the referees actions.CSKA said they were surprised and disappoint19、ed by Toures complaint. In a statement the Russian side added: We found no racist insults from fans of CSKA.Age has reached the end of the beginning of a word. May be guilty in his seems to passing a lot of different life became the appearance of the same day; May be back in the past, to oneself the20、 paranoid weird belief disillusionment, these days, my mind has been very messy, in my mind constantly. Always feel oneself should go to do something, or write something. Twenty years of life trajectory deeply shallow, suddenly feel something, do it.一字開頭的年齡已經到了尾聲。或許是愧疚于自己似乎把轉瞬即逝的很多個不同的日子過成了同一天的樣子；或許21、是追溯過去，對自己那些近乎偏執的怪異信念的醒悟，這些天以來，思緒一直很凌亂，在腦海中不斷糾纏。總覺得自己自己似乎應該去做點什么，或者寫點什么。二十年的人生軌跡深深淺淺，突然就感覺到有些事情，非做不可了。The end of our life, and can meet many things really do?而窮盡我們的一生，又能遇到多少事情是真正地非做不可？During my childhood, think lucky money and new clothes are necessary for New Year, but as the advance of the age, wil22、l be more and more found that those things are optional; Junior high school, thought to have a crush on just means that the real growth, but over the past three years later, his writing of alumni in peace, suddenly found that isnt really grow up, it seems is not so important; Then in high school, th23、ink dont want to give vent to out your inner voice can be in the high school children of the feelings in a period, but was eventually infarction when graduation party in the throat, later again stood on the pitch he has sweat profusely, looked at his thrown a basketball hoops, suddenly found himself24、 has already cant remember his appearance.童年時，覺得壓歲錢和新衣服是過年必備，但是隨著年齡的推進，會越來越發現，那些東西根本就可有可無；初中時，以為要有一場暗戀才意味著真正的成長，但三年過去后，自己心平氣和的寫同學錄的時候，突然就發現是不是真正的成長了，好像并沒有那么重要了；然后到了高中，覺得非要吐露出自己的心聲才能為高中生涯里的懵懂情愫劃上一個句點，但畢業晚會的時候最終還是被梗塞在了咽喉，后來再次站在他曾經揮汗如雨的球場，看著他投過籃球的球框時，突然間發現自己已經想不起他的容顏。Originally, this world, can produce25、 a chemical reaction to an event, in addition to resolutely, have to do, and time.原來，這個世界上，對某個事件能產生化學反應的，除了非做不可的堅決，還有，時間。A persons time, your ideas are always special to clear. Want, want, line is clear, as if nothing could shake his. Also once seemed to be determined to do something, but more often26、 is he backed out at last. Dislike his cowardice, finally found that there are a lot of love, there are a lot of miss, like shadow really have been doomed. Those who do, just green years oneself give oneself an arm injection, or is a self-righteous spiritual.一個人的時候，自己的想法總是特別地清晰。想要的，不想要的，界限明確，好像沒有什么可27、以撼動自己。也曾經好像已經下定了決心去做某件事，但更多的時候是最后又打起了退堂鼓。嫌惡過自己的怯懦，最終卻發現有很多緣分，有很多錯過，好像冥冥之中真的已經注定。那些曾經所謂的非做不可，只是青蔥年華里自己給自己注射的一支強心劑，或者說，是自以為是的精神寄托罷了。At the moment, the sky is dark, the air is fresh factor after just rained. Suddenly thought of blue plaid shirt; Those were broken into various shapes of stationery; From28、 the corner at the beginning of deep friendship; Have declared the end of the encounter that havent start planning. Those years, those days of do, finally, like youth, will end in our life.此刻，天空是陰暗的，空氣里有著剛下過雨之后的清新因子。突然想到那件藍格子襯衫；那些被折成各種各樣形狀的信紙；那段從街角深巷伊始的友誼；還有那場還沒有開始就宣告了終結的邂逅計劃那些年那些天的非做不可，終于和青春一樣，都將在我29、們的人生中謝幕。Baumgartner the disappointing news: Mission aborted. r plays an important role in this mission. Starting at the ground, conditions have to be very calm - winds less than 2 mph, with no precipitation or humidity and limited cloud cover. The balloon, with capsule attached, will move through th30、e lower level of the atmosphere (the troposphere) where our day-to-day weather lives. It will climb higher than the tip of Mount Everest (5.5 miles/8.85 kilometers), drifting even higher than the cruising altitude of commercial airliners (5.6 miles/9.17 kilometers) and into the stratosphere. As he c31、rosses the boundary layer (called the tropopause),e can expect a lot of turbulence.The supersonic descent could happen as early as Sunda.The weatheThe balloon will slowly drift to the edge of space at 120,000 feet ( Then, I would assume, he will slowly step out onto something resembling an Olympic d32、iving platform.Below, the Earth becomes the concrete bottom of a swimming pool that he wants to land on, but not too hard. Still, hell be traveling fast, so despite the distance, it will not be like diving into the deep end of a pool. It will be like he is diving into the shallow end. Skydiver preps33、 for the big jumpWhen he jumps, he is expected to reach the speed of sound - 690 mph (1,110 kph) - in less than 40 seconds. Like hitting the top of the water, he will begin to slow as he approaches the more dense air closer to Earth. But this will not be enough to stop him completely.If he goes too 34、fast or spins out of control, he has a stabilization parachute that can be deployed to slow him down. His team hopes its not needed. Instead, he plans to deploy his 270-square-foot (25-square-meter) main chute at an altitude of around 5,000 feet (1,524 meters).In order to deploy this chute successfu35、lly, he will have to slow to 172 mph (277 kph). He will have a reserve parachute that will open automatically if he loses consciousness at mach speeds.Even if everything goes as planned, it wont. Baumgartner still will free fall at a speed that would cause you and me to pass out, and no parachute is guaranteed to work higher than 25,000 feet (7,620 meters).cause there