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1、.;1技技 术术 交交 底底 记记 录录编号:BYTJ07-JSJD-0062012 年 2 月 12 日工程名称湖北省保康至宜昌高速公路宜昌段部位BYYCTJ-7 合同段交底内容:盖板涵施工技术交底一、工程概况:一、工程概况:本合同段起点桩号为 K135+300,终点桩号为 K143+085,长约 7.876km。本合同段共设盖板涵 12 座, 机耕通道 8 座,钢筋混凝土圆管涵 1 道, 机耕天桥 1 座,倒虹吸 1 道。涵洞和通道的施工对路基施工影响较大,关系到整个工期安排,因此一进场就制定合理方案和计划,加快施工进度,以使路基填筑不受干忧。二、施工技术方案二、施工技术方案1 1、 施工

2、准备施工准备(1)采用监理工程师批准的导线点设站,用全站仪依据设计图纸进行测量放样,定出基坑开挖线及台身实际位置,测量原地面标高,并与实际桩中心进行复核。(2)砂、石料、水泥、钢筋等原材料经试验室检验合格。(3)混凝土配比已报监理工程师并已批复。(4)施工用电根据施工需要配置发电机。(5)施工用水采用水车运水,经检验合格,可作为施工用水。2 2、 基坑施工基坑施工(1)排水基坑开挖前,必须做好临时排水措施,以免水流冲刷路基和基础。如施工中有过水要求,先开挖导流槽。(2)基坑开挖基础的平面尺寸及地面标高经自检合格后,报监理工程师检查复核,检查合格后方可开挖。基坑开挖以机械开挖为主,人工配合,配自

3、卸汽车运输。开挖时基坑底部每边加宽 100 ,以方便基础模板施工及加固。基坑开挖时台背两侧按照 1:1.5 放坡开挖。基坑开挖至距设计标高 1520cm 时,用小型械具和人工进行清理,并进行基础夯实和整平,确保不扰动基底地质土层。开挖时,要适当放坡,并保证断面尺寸的准确性,尤其不能超挖。基坑开挖的弃物运输到指定的弃土场。.;2(3)基坑检验及处理基坑开挖到设计标高后,用触探仪对基底承载力进行检测,检测数据经监理工程师签认后,再进行后续工序;如地基承载力不能满足要求,则报告监理工程师并申请相应的经其批准同意的方案对地基进行处理,直到符合要求。3 3、基础、台身、台帽施工、基础、台身、台帽施工基坑

4、经监理工程师验收后, 测量放样、 立模、 浇筑基础混凝土。 基础底需铺筑 2.5cm(1)模板由测量人员恢复轴线,放模板线。、基础模板,采用钢模板,模板背后用钢管或者方木做斜撑,支撑在基坑四壁,将模板加固牢靠。、台身模板采用组合钢模板:下部(H=15cm)处,用16 对拉杆螺连接,顶部的对拉螺杆高于混凝土面 10cm 左右, 对拉螺杆的平面间距为 80100cm 呈矩形布设, 对拉螺杆要套 PVC 管,在 PVC 管两端安装 PVC 喇叭口,将喇叭口与模顶紧,防止漏浆。模板支立前应进行涂刷脱模剂(新机油或色拉油等)处理。模板的接头部位以双面胶或海绵条塞密,防止漏浆。标高以测量返到模板上的画线控

5、制。、台帽模板:台身施工完毕后,搭设钢管架,安装台帽钢筋,支立模板,模板通过对拉固定。模板的接头部位以双面胶或海绵条塞密,防止漏浆。标高以模板的画线控制。、模板1)、清理侧模及端头模板表面浮浆,打磨并清理干净。2)、均匀涂抹脱模剂。3)、模板接缝平顺、严密,无错台,模内长、宽、高尺寸符合设计图纸及施工规范的要求,对拉螺杆齐全、紧拉,支撑稳固。侧模与底模之间,侧模与侧模之间接缝不严密处用透明玻璃胶填补,确保模板接缝不漏浆。支模完成自检合格后报监理工程师检查。(2)钢筋工程钢筋按照图纸设计在加工场地内成型,运至现场安装,在浇筑基础混凝土时注意有关预埋件及预留槽、孔的预留,必须定位准确,避免返工浪费

6、。钢筋存储在高于地面的平台垫木上,不暴露在可使钢筋生锈的环境中。钢筋焊接采用搭接焊,同一截面内的受拉钢筋接头不超过总数的 50。并在靠近模板的钢筋上间隔 1m 垫与保护层厚度等厚的.;3塑料垫块,以确保保护层厚度。(3)混凝土浇筑混凝土采用拌合站集中拌和,混凝土罐车运输,现场用吊车和灰斗配合运送混凝土入模。、基础、台身混凝土浇筑采用水平分段方法浇筑,采用振捣棒振捣,混凝土施工前认真检查拌合设备,将模板内积水及杂物清理干净。混凝土振捣采用插入式振捣器,振捣器插入的距离以直线行列插捣时,不超过作用半径的 1.5 倍。振捣器开动后再插入混凝土内,振完后慢慢提出,不得过快或停转后再拨出机头,以免留下孔

7、洞。振捣棒与模板保持一定距离,一般为 10cm。混凝土浇完底层后,在浇筑上层混凝土时,振捣器稍插入下层(不少于 5cm)使两层结合一体。振动到混凝土停止下沉,无气泡上升,表面平坦、泛浆为止。基础和台身分开浇筑,基础混凝土浇筑完毕后在基础表面预 30cm 的钢筋且外露15cm;台身混凝土浇注完毕后,用抹子将顶面抹平拍平压光,防止顶面松散。、台帽钢筋混凝土,由一端向另一端斜向浇筑方法施工,分两层浇筑、先浇筑台帽下面部分,后进行上面部分。采用振捣棒振捣。、盖板混凝土振捣采用小型插入式振捣器配合拖式平板振动器,混凝土振捣应充分密实,停止下沉,不再冒出气泡,表面呈现平坦、泛浆现象为止。混凝土浇注完毕后,

8、用抹子将顶面抹平拍平压光,防止顶面松散。、在混凝土浇筑过程中专人检查模板是否变形、支护是否移动、钢筋是否移位。4 4、拆模与养生、拆模与养生当混凝土强度达 2.5MPa 时可拆除侧模板, 拆除时要安排专人指挥和监督, 保证其表面以及棱角不因拆模而导致损坏。混凝土养护采用塑料布或土工布封闭洒水养护,保持湿润,养生期不少于 7 天。5、沉降缝设置、沉降缝设置钢筋混凝土盖板暗涵涵台台身的沉降缝一般沿涵长方向每隔 4-6m 设置一道, 沉降缝必须贯穿整个涵台断面(包括基础),缝宽 2cm,沉降缝应用沥青麻絮填塞,沉降缝的设置应与板方向平行。6 6、台背回填、台背回填台背填土材料应采用透水性良好的砂质土

9、或砂砾土等对称分层夯实,要求在不小于两倍孔径范围内填土,每层填土压实厚度不超过 150mm,台背填土应在盖板安装且砂浆.;4强度达到设计值的 70%以上,支撑梁混凝土强度达到 85%,并经监理认可后方可进行。填土时,在两涵台外侧同时对称填筑,分层夯实,压实度不小于 95%。7 7、涵洞施工工艺流程图、涵洞施工工艺流程图涵洞施工工艺流程涵洞施工工艺流程图图三、质量保证措施三、质量保证措施1 1、建立质量保证组织机构及保证体系、建立质量保证组织机构及保证体系人工配合机械挖基整修基底自检基底承载力安装基础模板并自检浇注混凝土基础自检基础强度、尺寸浇筑混凝土墙身浇筑钢筋混凝土台帽盖板浇筑监理检查监理检

10、验监理检验监理检验监理检验洞口、铺底施工测量放样台背回填.;5本工程将坚持开展全员、全过程、全方位的质量管理,成立质量管理领导小组,以项目经理为组长,项目总工为副组长,各部门负责人和施工队长为组员,全面负责工程质量的实施和管理工作。各作业班组设专职质检员,切实做好以工作质量保工程质量,以分部分项工程质量来保证整个工程的总体质量。2 2、质量检验要求、质量检验要求盖板混凝土的现场浇筑施工宜连续进行,避免施工接缝,当涵身较长时,可沿长度方向分段进行,接缝应设在涵身沉降缝处。涵台实测项目项次检查项目规定值或允许偏差检查方法和频率1混凝土强度或砂浆强度(MPa)在合格标准内按附录 D 或 F 检查2涵

11、台断面尺寸(mm)片石砌体20尺量:检查 35 处混凝土153竖直度或斜度(mm)0.3%台高吊垂线或经纬仪:测量 2 处4顶面高程(mm)10水准仪:测量 43 处外观鉴定1) 涵台线条顺直,表面平整。2) 蜂窝、麻面面积不得超过该面面积的 0.5,深度超过 1cm 者必须处理。3) 砌缝匀称,勾缝平顺,无开裂和脱落现象。钢筋加工及安装检查项目项次检查项目规定值或允许偏差检查频率和方法1受力钢筋间距(mm)10每构件检查 2 个断面,用尺量2箍筋、 横向水平筋、 螺旋筋间距(mm)10每构件检查 5-10 个间距3骨 架 尺 寸(mm)长10按骨架尺寸的 30%抽查宽、高、直径54弯起钢筋位

12、置(mm)20每骨架抽查 30%5保护层厚(mm)5每构件沿模板周边检查 8 处八字墙实测项目.;6外观鉴定1)墙体直顺、表面平整。2)砌缝无裂隙;勾缝平顺,无脱落、开裂现象。3)混凝土墙蜂窝、麻面面积不得超过该面面积的 0.5%。3 3、质量保证措施、质量保证措施1)、认真执行施工图纸,掌握施工技术标准,分项、分部工程符合施工规范和验标要求,严格按照交底施工方案实施;2)、严格执行施工技术规范和操作规程,坚持测量复核双检制;3)、经理部设专职质检员,认真执行自检制度,建立质量监督检查系统,全面负责创优规划的具体实施,现场所有施工人员持证上岗。4)、一道工序完成后现场人员应先进行自检,符合要求

13、后报请项目部专职检查人员进行检查,专职检查人员检查合格后报请监理工程师检验并提交相应的“报验申请表” ,经监理工程师检验符合设计及规范要求后予以签认。下一道工序的质检程序同上。上道工序未完成前不得进行下一道工序施工。四、安全保证措施四、安全保证措施1、项目设立安全管理机构,建立现场安全监督、检查小组,针对工序特点,进行安全交底,严格执行项目经理部安全保证体系的有关规定,经理部与每个作业人员签订安全生产责任书。2、施工队进场施工前,进行岗前安全培训,严格遵守高速公路施工规范安全的有关规定。施工操作人员进入现场时必须佩戴安全帽,电工、电焊工必须穿绝缘鞋。电源接线连接必须规范。项次检查项目规 定 值

14、 或 允许偏差检查方法和频率权值1混凝土或砂浆强度(MPa)在 合 格 标 准内按附录 D 或 F 检查42平面位置(mm)50经纬仪:检查墙两端13顶面高程(mm)20水准仪:检查墙两端14底面高程(mm)5015竖直度或坡度(%)0.5吊垂线:每墙检查 2 处16断面尺寸(mm)不小于设计尺量:各墙两端断面2.;73、施工用电前,应检查所用电线是否有破损和漏电现象,漏电保护器是否安装,状态是否良好。4、 建立安全值班制度, 规定值班人员并制定值班责任制。 对检查出的问题及时报告。5、墩台帽施工前必须搭好脚手架和作业平台,并在作业平台外侧设栏杆和安全网,吊斗升降应有专人指挥,吊斗升降时下面不

15、准站人。6、梁板预制和安装时要注意:(1)预制构件移运、堆放、安装时,险强度应不低于对吊装所要求的强度,并不得低于设计强度的 75%。(2)预制构件吊装时,需防止振动、碰撞、荷载偏心及横向摆动,回转半径内不得有障碍物,不准上下位置装卸,倾斜度应减少至最小,确实稳妥后,才能摘掉吊勾。(3)超重设备在安置前必须使作业地面平整坚实,支脚、支垫要牢固,以防倾覆。(4)预制空盖板在吊装移位或安装就位后,必须加设足够支撑和垫木,以保持构件的稳定性。(5) 关键工点要配备必要的双电源设备作业, 预防在浇注混凝土或吊装的构件正在空中时停电,而造成经济损失和重大的安全隐患。五、文明环保措施五、文明环保措施1、坚

16、持做到“少破坏、多保护、少扰动、多防护、少污染、多防治”的环水保目标。2、加强文明施工管理,合理布置施工场地,合理放置各种施工设施。3、建立健全环境保护及水土保持管理体系,确保环水保工作的基础扎实。4、合理安排施工时间,防止扰民。5、石渣、废料等用车集中外运到指定地点,挖坑深埋,施工中注意不要使泥渣污染水源和环境。交底人:复核人:接收人:见签到表g an employment tribunal claimEmployment tribunals sort out disagreements between employers and employees.You may need to make

17、 a claim to an employment tribunal if:you dont agree with the disciplinary action your employer has taken against youyour employer dismisses you and you think that you have been dismissed unfairly.For more information about dismissal and unfair dismissal, see Dismissal.You can make a claim to an emp

18、loyment tribunal, even if you havent appealed against the disciplinaryaction your employer has taken against you. However, if you win your case, the tribunal may reduce anycompensation awarded to you as a result of your failure to appeal.;8Remember that in most cases you must make an application to

19、an employment tribunal within threemonths of the date when the event you are complaining about happened. If your application is receivedafter 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

20、listedunder Further help.Employment tribunals are less formal than some other courts, but it is still a legal process and you willneed 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 aclaim to an em

21、ployment tribunal, you should get help straight away from one of the organisations listedunder Further help.If you are being represented by a solicitor at the tribunal, they may ask you to sign an agreement whereyou pay their fee out of your compensation if you win the case. This is known as a damag

22、es-basedagreement. In England and Wales, your solicitor cant charge you more than 35% of your compensation ifyou win the case.If you are thinking about signing up for a damages-based agreement, you should make sure youre clearabout the terms of the agreement. It might be best to get advice from an e

23、xperienced adviser, for example,at a Citizens Advice Bureau. To find your nearest CAB, including those that give advice by e-mail, clickon nearest CAB.For more information about making a claim to an employment tribunal, see Employment tribunals.The (lack of) air up thereWatch mCayman Islands-based W

24、ebb, the head ofFifas anti-racism taskforce, is in London for theFootball Associations150th anniversarycelebrations and willattend Citys PremierLeague match at Chelsea on Sunday.I am going to be at the match tomorrow and I haveasked to meet Yaya Toure, he told BBC Sport.For me its about how he felt

25、and I would like tospeak to him first to find out what his experience was.Uefa has opened disciplinary proceedings against CSKA for the racistbehaviour of their fans during Citys 2-1 win.Michel Platini, president of European footballs governing body,has also ordered an immediate investigation into t

26、he refereesactions.CSKA said they were surprised and disappointed by Tourescomplaint. In a statement the Russian side added: We found noracist insults from fans of CSKA.Age has reached the end of the beginning of a word. May be guilty in his seemsto passing a lot of different life became the appeara

27、nce of the same day; May beback in the past, to oneself the paranoid weird belief disillusionment, these days, my mind hasbeen very messy, in my mind constantly. Always feel oneself should go to do something, or writesomething. Twenty years of life trajectory deeply shallow, suddenly feel something,

28、 do it.一字开头的年龄已经到了尾声。或许是愧疚于自己似乎把转瞬即逝的很多个不同的日子过成了同一天的样子;或许是追溯过去,对自己那些近乎偏执的怪异信念的醒悟,这些天以来,思绪一直.;9很凌乱,在脑海中不断纠缠。总觉得自己自己似乎应该去做点什么,或者写点什么。二十年的人生轨迹深深浅浅,突然就感觉到有些事情,非做不可了。The end of our life, and can meet many things really do?而穷尽我们的一生,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 ar

29、e necessary for New Year, but as theadvance of the age, will 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, hiswriting of alumni in peace, suddenly found that isnt really grow

30、up, it seems is not so important;Then in high school, think dont want to give vent to out your inner voice can be in the high schoolchildren of the feelings in a period, but was eventually infarction when graduation party in thethroat, later again stood on the pitch he has sweat profusely, looked at

31、 his thrown a basketballhoops, suddenly found himself has already cant remember his appearance.童年时,觉得压岁钱和新衣服是过年必备,但是随着年龄的推进,会越来越发现,那些东西根本就可有可无;初中时,以为要有一场暗恋才意味着真正的成长,但三年过去后,自己心平气和的写同学录的时候,突然就发现是不是真正的成长了,好像并没有那么重要了;然后到了高中,觉得非要吐露出自己的心声才能为高中生涯里的懵懂情愫划上一个句点,但毕业晚会的时候最终还是被梗塞在了咽喉,后来再次站在他曾经挥汗如雨的球场,看着他投过篮球的球框时

32、,突然间发现自己已经想不起他的容颜。Originally, this world, can produce a chemical reaction to an event, in addition to resolutely, haveto do, and time.原来,这个世界上,对某个事件能产生化学反应的,除了非做不可的坚决,还有,时间。A persons time, your ideas are always special to clear. Want, want, line is clear, as if nothingcould shake his. Also once seem

33、ed to be determined to do something, but more often is hebacked out at last. Dislike his cowardice, finally found that there are a lot of love, there are a lot ofmiss, like shadow really have been doomed. Those who do, just green years oneself give oneselfan arm injection, or is a self-righteous spi

34、ritual.一个人的时候,自己的想法总是特别地清晰。想要的,不想要的,界限明确,好像没有什么可以撼动自己。也曾经好像已经下定了决心去做某件事,但更多的时候是最后又打起了退堂鼓。嫌恶过自己的怯懦,最终却发现有很多缘分,有很多错过,好像冥冥之中真的已经注定。那些曾经所谓的非做不可,只是青葱年华里自己给自己注射的一支强心剂,或者说,是自以为是的精神寄托罢了。At the moment, the sky is dark, the air is fresh factor after just rained. Suddenly thought of blueplaid shirt; Those were

35、 broken into various shapes of stationery; From the corner at the beginningof deep friendship; Have declared the end of the encounter that havent start planning. Thoseyears, those days of do, finally, like youth, will end in our life.此刻,天空是阴暗的,空气里有着刚下过雨之后的清新因子。突然想到那件蓝格子衬衫;那些被折成各种各样形状的信纸;那段从街角深巷伊始的友谊

36、;还有那场还没有开始就宣告了终结的邂逅计划那些年那些天的非做不可,终于和青春一样,都将在我们的人生中谢幕。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 noprecipitation or humidity and limited cloud cover. The balloon,

37、with capsule attached, will movethrough the lower level of the atmosphere (the troposphere) where our day-to-day weather lives. Itwill climb higher than the tip of Mount Everest (5.5 miles/8.85 kilometers), drifting even higher thanthe cruising altitude of commercial airliners (5.6 miles/9.17 kilome

38、ters) and into the stratosphere.As he crosses the boundary layer (called the tropopause),e can expect a lot of turbulence.;10The 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 a

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