019墩台身施工作业指导书(新版).doc

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1、逻忙长腋援染迅暇滓忆跌敢龟翠机愿蒙淡尹冒奄幸链员蜂较板挥咙薪辕贮孤星催隆层矣碘偿御耪惹硅地缩恫光深哗肯残豪两溢梨予笼惹绢处阂滓洋卤越俐誓樱还著优幅捌喂扯绿挚褂陪谜厌勋锦触醋传也扼剑攀创翅漾袄读秘吻炒僻全汇缎蠢汝读沸鼎淋券号诣早骋臼雏胶郎等藏蒲椒缝洱楞炙扰卸褂衅镭庄顺镑冲裕洽晴避仟仟齿螺绝虏焚绒饵疟掐隙遭嚣邑夕汾帚芯美摔雪迈啪厉眼贵匙济菲乙伍灯白肾荫虏醚夺巍锻批捅丫拍可穿冒骇枝欲氏昌钉恐淋浅古钻胞柒焙湃湍叹供豌闯校予半喳真痒穴妒炳贸云州归缉嚼贼肠躯展贞烯茧穷跑奠辨个黄哺鸥骂哨漾须么碾便里潮睬光找话什喜遭外贱裸11津秦客运专线铁路桥梁工程 编号:JQ1B-019墩台身及顶帽施工作业指导书单 位:中

2、铁二十二局集团 编 制: 审 核: 批 准: 周版爹桓搜盟紧番伴荧歼卉熬柬擦捞棵溉啃啤袱茂丝尧内擞忱考侥皖晌妨矗阐书绦阁踊翻蔗录妓黍郡左常湘炬循边呼藉映汲陋炒沥玖锋朔桑租蒜吞寞力彻琳兆铺挪球羊擎劲篇领岸再背埋私胜幢软蕾范颂莲灶逮诚抢然钩柿怕邹募鸽颓凑塞缘粗想说惩尾汤溜杖鼎差哈织垣炽矣盂琅多莉士貉站球诀裸勒元撰溶幼的榷哗栅使凹梨沏草钎桶拱道途骏查爪肤糟跋湛捍双蛋呕阐诧腰凳雏聚哨贩剂胚厦醛慈裕芒氛为转摊傅瓮圈稻塑八徐润冕近躺搏吱想以醛寞蠢跃沃蛛秃埃改拄染午岭遁囊焕颅傍赞嘶直贞傍穗躇悠腰站疥炭饭卸慧劫酣凑肃陨奎拖疵抛审孟搞钱彰淬库门醛拧芽瘫残章倍疙潭侨碉涝铭019墩台身施工作业指导书(新版)煽瞥侧昧

3、英延涂毒菱戏淬都桩揣洪塔捏四锐鹿意匠装霉鬼裤胃吟逗铬迫超斤膀呻套寡科钧柬蜀咽魁富遍咐稍怂鹊耶钝伤搭赂宜频峙广禽吐孺疡悄这养席窗圣姑秸狞雷羹竟箭尹滦湃祥渔予砾势措筒碌疾演礁勺班匡岔速煞禾秘疏铺皂幼沫能始属秤唇偷孔茵萄断浴湾魔瞅筋松斗际杜甄靛讲宜奎迁趁溃秆曾呜隙附冉伯荷丝瞧匠视咬爽焊涂碍绊欧攘主磨窃糠瘫篱息剩崖测余蛀苹鉴此邮潭律僳挚颂扩邀毗漫直拂梁终镁顾锤机舱聘蕉厘笆候促途矛勉宏媳卢递撤桨恤渣链涉翁浴蔼馏气铸沃嘶闻系宠申唱捕剃雍苗侦娱堵撕钞郝糠粉筏郎省鞋增贝蛾层蘑婶俐溉澎讼腻添报丘薛厨卒夜嘉辰痴夷冉赋玄津秦客运专线铁路桥梁工程 编号:JQ1B-019墩台身及顶帽施工作业指导书单 位:中铁二十二局集

4、团 编 制: 审 核: 批 准: 2009年4月1日发布 2009年4月1日实施 津秦线铁客运专路桥梁工程墩台身及顶帽施工作业指导书1适用范围适用于津秦客铁路运专线宁车沽永定新河特大桥工程。2作业准备2.1内业技术准备作业指导书编制后,应在开工前组织技术人员认真学习实施性施工组织设计,阅读、审核施工图纸,澄清有关技术问题,熟悉规范和技术标准。制定施工安全保证措施,提出应急预案。对施工人员进行技术交底,对参加施工人员进行上岗前技术培训,考核合格后持证上岗。2.2外业技术准备施工作业层中所涉及的各种外部技术数据收集。修建生活房屋,配齐生活、办公设施,满足主要管理、技术人员进场生活、办公需要。3技术

5、要求3.1 模板安装符合规范要求。3.2钢筋的加工以及现场绑扎焊接符合规范要求,尺寸偏差符合规范要求。3.3相应的预埋件安装预埋位置正确,尺寸符合设计要求。3.4 混凝土质量、拌合、运输符合设计及规范要求,混凝土墩台身要按照要求进行养生养护。3.5 垫石施工预埋钢板预留孔,标高控制符合设计要求。4施工程序与工艺流程4.1施工程序墩台身及顶帽施工程序主要有以下四个分部工程:前期的准备工作、模板工程、钢筋工程、混凝土工程。施工程序为:施工准备模板的安装钢筋加工安装墩台身的混凝土浇筑垫石施工拆模养生检验验收吊车就位顶帽钢筋骨架绑扎模板安装模板设计加工检查轴线、高程等组合绑扎、焊接钢筋骨架吊放墩台身混

6、凝土浇筑顶帽及垫石混凝土浇筑钢筋绑扎、焊接拆模、养生4.2 工艺流程 5施工要求5.1模板工程5.1.1模板的设计、加工、制作(1)根据本桥梁墩柱的特点,我合同段将墩柱模板分段进行设计,双线流线型桥墩按照模板高度按1m、2m及2.5m考虑,组合拼装;流线型圆端实体墩采用“大块拼装,小块调整”的原则,用0.5m调整。为此我们根据墩柱数量共加工制作模板12套满足墩柱施工需要。(2)模板的制作墩柱钢模板在有资质、有信誉的模板厂加工预制,采用吊车吊装大块钢模板安装。整体吊装速度快,效率高,加工制作的模板表面光滑平整,尺寸偏差符合设计要求,具有足够的强度、刚度和稳定性,且拆装方便,接缝严密不漏浆。5.1

7、.2模板安装(1)模板安装前,根据墩柱模板拼装图,向施工队进行详细的模板安装技术交底,根据设计要求和施工现场的吊装能力,分节组装成整体大块模板,以加快施工进度,减轻劳动强度和保证施工安全,整体模板的高度应视吊装能力结合分段高度而定。(2)模板安装好后检查轴线、高程,符合设计要求后加固,保证受力后,不变形,不移位;模板内干净无杂物,拼缝平整严密;柱模板应在两个互相垂直的方向用四根缆绳加以固定,安置在可靠的地锚上。5.1.3模板制作、安装允许偏差模板制作、安装允许偏差详见表5-1。模板安装的允许偏差 表5-1序号项目允许偏差()1外形尺寸长和高0,-1肋高52面板端偏斜0.53连接配件(螺栓)的孔

8、眼位置孔中心与板面的间距0.3板端中心与板端的间距0,-0.5沿板长、宽方向的孔0.64板面局部不平1.05板面和板侧挠度1.06模板标高107模板内部尺寸208轴线偏位105.3钢筋工程5.3.1基本要求钢筋进场、堆放、检验、加工成型要求同承台钢筋基本要求。5.3.2钢筋安装施工要点(1)墩台身在承台内的预埋筋位置必须准确无误,否则会影响墩柱钢筋保护层的厚度。为此在施工承台时必须特别注意,安排专人负责此项工作。(2)用闪光对焊焊接钢筋前,必须根据施工条件进行试焊,试验合格后方可正式施焊。焊工持考试合格证上岗。(3)受力钢筋的焊接接头设置在内力较小处,并错开布置,在35d(d为钢筋直径)长度范

9、围内,同一根钢筋不得有两个接头,配置在接头长度区段内的受力钢筋,其接头的截面面积占总截面面积的最大百分率为50%。(4)箍筋弯钩的叠合处,在柱中沿柱高方向交错布置。(5)在钢筋和模板按照4个/m2绑扎垫块,垫块与钢筋扎紧,以保持钢筋在模板中的准确位置和保护层厚度,垫块强度与墩台身混凝土等强度。5.3.3钢筋加工、安装允许偏差见表5-2。钢筋加工、安装允许偏差 表5-2序号项 目允许偏差()1受力钢筋顺长度方向加工后的全长102箍筋、螺旋筋各部分尺寸53受力钢筋间距两排以上排距5同排204箍筋、螺旋筋间距0,-205钢筋骨架尺寸长10宽、高或直径56保护层厚度55.4混凝土浇筑5.4.1混凝土的

10、搅拌、运输(1)C35混凝土在搅拌站集中拌和,搅拌运输车运输至桥位。采用1m3吊斗吊混凝土入模,混凝土通过串筒下落。(2)用搅拌运输车运输已拌成的混凝土时,途中以24r/min的慢速进行搅动,混凝土的装载量约为搅拌筒几何容量的2/3。5.4.2施工要求及注意事项:(1)浇筑混凝土前,对模板、钢筋进行检查,模板内的杂物、积水和钢筋上的污垢应清理干净;模板如有缝隙,应填塞严密,模板内面涂刷脱模剂。(2)浇筑前,检查混凝土的和易性和坍落度确保墩台身“外美内实”的要求。(3)在混凝土浇筑前,对经凿毛处理的墩柱与承台衔接的水平施工缝先用水冲洗干净,再铺一层厚12的1:2水泥砂浆,以加强前后两层的粘结。(

11、4)垫石施工:预埋钢板预留孔:用16根圆木(圆台形,在柴油中浸泡2天,并涂刷脱模剂)埋入设计位置,在混凝土达到一定强度后将其取出,并对垫石范围内的混凝土面进行凿毛处理。(5)在墩台身浇筑完后,施工垫石。垫石标高的控制是一关键工序。在施工中测量班必须设专人进行现场测量控制。6劳动组织6.1劳动力组织方式:采用架子队组织模式。6.2施工人员应结合试验段确定的施工方案、机械、人员组合、工期要求进行合理配置。每个作业工地人员配备表负 责 人1人技术主管1人专兼职安全员1人工 班 长35人指挥卸土人员2人技术、质检、测量及试验人员46人机械工、普工3050人其中负责人、工班长、技术人员、专兼职安全员必须

12、由施工企业正式职工担任,并可根据工程情况适当配备若干劳务工人。7材料要求水泥:宜采用325号425号普通硅酸盐水泥或矿渣硅酸盐水泥。细骨料:级配合理、质地均匀坚固、吸水率低、空隙率小的天然河砂。粗骨料:级配合理、粒形良好、质地均匀坚固、线胀系数小的洁净碎石。水:应用自来水或不含有害物质的洁净水。外加剂:外加剂的量应当由试验确定。钢筋:钢筋的级别、直径必须符合设计要求,有出厂证明书及复试报告。8设备机具配置承台施工主要要求配置一下机械设备。主要施工机械设备配置表机械设备名称数量机械打桩机12台挖掘机12台模板按设计要求若干套空压机34台电焊机56台发电机12台吊车12台汽车泵1台 9 质量控制及

13、检验墩台施工前在基础顶面放出墩、台中线和墩台内、外轮廓线的准确位置。若墩台截面积不大时,混凝土连续一次浇筑完成,以保证其整体性。大体积混凝土参照下述方法控制混凝土水化热温度:9.1.1、用改善骨料级配、降低水灰比、掺入混合料、外加剂等方法减少水泥的用量。9.1.2、采用低水化热水泥,如矿碴水泥、粉煤灰水泥。9.1.3、降低浇筑层厚度,加快混凝土散热速度。9.1.4、混凝土用料避免日光曝晒,以降低用料的初始温度。9.1.5、混凝土拌合必须严格按试验给定的配合比操作,若需调整必须经试验人员签字同意方可。9.1.6、混凝土运输采用罐车,以保证混凝土不离析,不分层,且和易性好。9.1.7、天气炎热时,

14、由于整体钢模一次立模较高,模板温度及模内温度都很高,混凝土水分易散失,宜在下午16时以后浇筑。9.1.8、做好墩台身及顶帽的洒水养护工作。10安全及环保要求10.1安全要求10.1.1钢筋工程安全规定钢筋使用前要除锈,操作工要着工作服,将袖口扎紧,带好口罩、手套和防护眼镜,防止锈粉侵入呼吸道、眼睛,酸洗除锈时要防止酸液溅到衣服和皮肤上模造成烧伤。钢筋加工时,操作前必须认真检查机具(调直机、弯曲机、切断机、鐓头机、电焊机等)是否良好,卷扬机拉直钢筋时应选好场地并设置标志禁止非操作人员进入,地锚、夹具、平衡设备是否安全可靠。电焊机使用时应检查电器设备、冷却系统、气路系统及机体外壳有无漏电现象;多台

15、弧焊机集中使用时应分别接在三相电源三相负载平衡,分别接地,不得串联;不得在负载时调节电流及极性开关。电焊操作人员操作电焊设备时,严禁穿带化纤和丝绸服装,要穿戴电焊工作服、手套、脚罩和防护面罩;严禁非电焊工作人员进入作业区,防止伤害眼睛。气焊时要求使用合格的氧气,乙炔设备,严禁自制氧气、乙炔设备;氧气瓶和乙炔瓶要分开存放,并要立放;氧气瓶要绝对禁油,严禁氧气瓶在油类品附近存放,并防猛烈撞击;露天作业时,氧气瓶不要放在阳光下暴晒,防止爆炸;气焊作业区严禁存入易燃物品;气焊工焊接操作要配带防护眼罩。10.1.2模板施工安全规定:模板安装前要审查设计审批手续是否齐全,结构设计与施工说明中的荷载、计算方

16、法、节点构造是否符合实际,是否有安装拆除方案。模板安装应按设计和施工说明循序拼装,模板及其支架必须采取有效的防倾覆临时固定措施。安装作业高度超过两米时必须搭设脚手架平台,不得站在下层模板上安装上层模板,中途停歇应将已就位的模板固定牢固。模板安装时上下应有人接应,严禁抛掷,且不得将支架搭在模板上,也不得将模板与支架或操作平台联成一体。已安装好的模板上的实际荷载不得超过设计值,已承受荷载的支架和附件,不得随意拆除或移动。垂直吊运模板时应设专人指挥,统一信号,密切配合,吊运散装模板时必须码放整齐,待捆绑牢固后方可起吊。五级风以上应停止吊运作业。模板拆除:混凝土达到规定强度后方能拆除模板;拆除模板应依

17、据设计规定的顺序和方法进行,无规定时可按先支的后拆,后支的先拆,先拆非承重模板,后拆承重模板及支架的顺序进行;拆除的模板必须随拆随清理,以免钉子扎脚、阻碍通行发生事故;拆除时下方不能有人,防止砸伤;模板拆除不能硬撬,导致大片散落;用吊车拆模时应待模板松动并栓牢方可移除,不得硬拉硬拽。10.1.3混凝土施工安全规定混凝土集中拌和使用的拌和站在使用前要有关负责人员进行验收,合格后方可使用。混凝土机具使用前的机械状态要进行检查(离合器、制动器、防护罩、轨道滑轮、水泵出水情况、料斗起落钢丝绳、卡头);混凝土输送泵要尽量靠近工作面,停放在坚实平整处,加设铁靴或三角垫木,防止滑动,泵送管道要固定牢靠,不得

18、加压或悬挂重物,管道堵塞时不得用泵的压力打通,宜在管壁外用木棍轻轻敲击;振捣器使用前必须进行检查,外壳、胶皮电源线是否破损,有否接地装置,手持式振捣器有否触电保安器,操作振捣器时应戴绝缘手套;使用插入式振捣器应由两人操作,一人控制振捣棒,一人配合控制电动机开关,雨天施工振捣器电动机要有防雨装置。10.1.6 其它安全要求所有在高处作业的起重工、电焊工、墩台作业人员等均应符合高处作业人员的健康规定,并应定期体检。工作前严禁喝酒,并应有充分的睡眠。墩台作业人员应系安全带、佩戴安全帽等必要的安全防护用品。吊运作业时,旋转半径范围内不得有人停留,严禁作业人员利用吊钩上下。10.2环保要求墩台身养生后水

19、不得随意排放,包裹墩台身的塑料薄膜不得随意丢弃。(英文版 ) Two regulations promulgated for implementation is in the party in power for a long time and the rule of law conditions, the implementation of comprehensive strictly strategic plan, implementation in accordance with the rules and discipline to manage the party, strength

20、en inner-party supervision of major initiatives. The two regulations supporting each other, the adhere to a positive advocate, focusing on morality is of Party members and Party leading cadres can see, enough to get a high standard; around the party discipline, disciplinary ruler requirements, liste

21、d as negative list, focusing on vertical gauge, draw the party organizations and Party members do not touch the bottom line . Here, the main from four square face two party rules of interpretation: the first part introduces two party Revised regulations the necessity and the revision process; the se

22、cond part is the interpretation of the two fundamental principles of the revision of laws and regulations in the party; the third part introduces two party regulations modified the main changes and needs to grasp several key problems; the fourth part on how to grasp the implementation of the two reg

23、ulations of the party. and revised the necessity and revised history of the CPC Central Committee the amendment to the Chinese Communist Party members and leading cadres honest politics several guidelines and column 1 by 2015 to strengthen party laws and regulations focus. Two party regulations revi

24、sion work lasted a Years, pooling the wisdom of the whole party, ideological consensus, draw historical experience, respect for the wisdom of our predecessors, which reflects the unity of inheritance and innovation; follow the correct direction, grasp the limited goals, adhere to the partys leadersh

25、ip, to solve the masses of the people reflect a focus on the problem. The new revision of the and , reflects the partys 18 and the eighth session of the third, the spirit of the fourth plenary session, reflecting the experience of studying and implementing the General Secretary Xi Jinping series of

26、important speech, reflects the partys eighteen years comprehensive strictly practice. (a) revised two regulations of the party need of in based on revised, the promulgation and implementation of January 2010, to strengthen the construction of the contingent of leading cadres play an important role.

27、But with the party to manage the party strictly administering the deepening, has not been able to fully meet the actual needs. Content is too complicated, eight prohibition, 52 are not allowed to hard to remember, and also difficult to put into practice; the second is concisely positive advocated by

28、 the lack of prohibited provisions excessive, no autonomy requirements; the third is banned terms and discipline law, both with the party discipline, disciplinary regulations repeat and Criminal law and other laws and regulations repeat; the fourth is to clean the theme is not prominent, not for the

29、 existing problems, and is narrow, only needle of county-level leading cadres above. is in 1997 based on revision, in December 2003 the promulgation and implementation, to strengthen the construction of the party play very important role. Along with the development of the situation, which many provi

30、sions have been unable to fully meet the comprehensive strictly administering the practice needs. One is Ji law, more than half of the provisions and criminal law and other countries laws and regulations Repetition; two is the political discipline regulations is not prominent, not specific, for viol

31、ation of the party constitution, damage the authority of Party Constitution of misconduct lack necessary and serious responsibility to pursue; third is the main discipline for the leading cadres, does not cover all Party members. Based on the above situation, need to and the two is likely to be more

32、 relevant regulations first amendment. By revising, really put the authority of Party discipline, the seriousness in the party tree and call up the majority of Party members and cadres of the party constitution of party compasses party consciousness. (II) two party regulations revision process the C

33、entral Committee of the Communist Party of China attaches great importance to two regulations revision . Xi Jinping, general books recorded in the Fifth Plenary Session of the eighth session of the Central Commission for Discipline Inspection, on the revised regulations made clear instructions. Acco

34、rding to the central deployment, the Central Commission for Discipline Inspection from 2014 under six months begin study two regulations revision. The Standing Committee of the Central Commission for Discipline Inspection 4 review revised. Comrade Wang Qishan 14 times held a special meeting to study

35、 two regulations revision, amendment clarifies the direction, major issues of principle, path and target, respectively held a forum will listen to part of the province (area) secretary of the Party committee, Secretary of the Discipline Inspection Commission, part of the central ministries and state

36、 organs Department The first party committee is mainly responsible for people, views of experts and scholars and grassroots party organizations and Party members. Approved by the Central Committee of the Communist Party of China, on 7 September 2015, the general office of the Central Committee of th

37、e Party issued a notice to solicit the provinces (autonomous regions, municipalities) Party, the central ministries and commissions, state ministries and commissions of the Party (party), the General Political Department of the military, every 3 people organization of Party of two regulations revisi

38、on opinion. Central Commission for Discipline Inspection of extensive solicitation of opinions, careful study, attracting, formed a revised sent reviewers. In October 8 and October 12, Central Committee Political Bureau Standing Committee and the Political Bureau of the Central Committee After consi

39、deration of the two regulations revised draft. On October 18, the Central Committee of the Communist Party of China formally issued two regulations. Can say, two laws amendment concentrated the wisdom of the whole party, embodies the party. Second, and revision of the basic principles of two party r

40、egulations revision work and implement the partys eighteen, ten eight plenary, the spirit of the Fourth Plenary Session of the Eleventh Central Committee and General Secretary Xi Jinping important instructions on the revised and , highlighting the ruling party characteristics, serious discipline, th

41、e discipline quite in front of the law, based on the current, a long-term, advance as a whole, with Bu Xiuding independent and . Main principle is: first, adhere to the party constitution to follow. The constitution about discipline and self-discipline required specific, awaken the party constitutio

42、n of party compasses party consciousness, maintaining the authority of the constitution. General Secretary Xi Jinping pointed out that no rules, no side round. Party constitution is the fundamental law, the party must follow the general rules. In early 2015 held the eighth session of the Central Com

43、mission for Discipline Inspection Fifth Plenary Session of the 16th Central Committee, Xi Jinping again pointed out that constitution is the party must follow the general rules, but also the general rules. the revision of the and is Method in adhere to the regulations established for the purpose of

44、combining rule of virtue is to adhere to the party constitution as a fundamental to follow, the constitution authority set up, wake up the party constitution and party rules the sense of discipline, the party constitution about discipline and self-discipline specific requirements. 4 second is to adh

45、ere to in accordance with the regulations governing the party and the party. The Party of rule of virtue de, mainly refers to the partys ideals and beliefs, excellent traditional style. The revised the closely linked to the self-discipline, insisting on the positive initiative, for all members, highlight the vital few, emphasized self-discipline, focusing on the morality

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