hd施工缝、变形缝2级交底.doc

上传人:sccc 文档编号:4791189 上传时间:2023-05-15 格式:DOC 页数:19 大小:1.39MB
返回 下载 相关 举报
hd施工缝、变形缝2级交底.doc_第1页
第1页 / 共19页
hd施工缝、变形缝2级交底.doc_第2页
第2页 / 共19页
hd施工缝、变形缝2级交底.doc_第3页
第3页 / 共19页
hd施工缝、变形缝2级交底.doc_第4页
第4页 / 共19页
hd施工缝、变形缝2级交底.doc_第5页
第5页 / 共19页
点击查看更多>>
资源描述

《hd施工缝、变形缝2级交底.doc》由会员分享,可在线阅读,更多相关《hd施工缝、变形缝2级交底.doc(19页珍藏版)》请在三一办公上搜索。

1、security, and peace, volunteers for the integrated prevention patrol team, formed red armbands normalized patrol, patrol visits, extensive collection of reporting social conditions and public opinions, discover and master, resolve contradictions and problems, so that early discovery, early control,

2、early solve. Six is the strict application of the system of accountability, and no grasp of the information, contradictions and disputes are not in place, mediation is weak, measures are not implemented major mass incidents, firmly holding those responsible accountable. 5, peace-building comprehensi

3、ve management campaigns. Is a combination of a comprehensive management awareness month in Jinhua city community organization related departments to carry out comprehensive management awareness month square campaign. Zone print issued a letter addressed to residents and other publicity materials mor

4、e than 3,000 copies, placing publicity boards 22, flying the banner more than 20 articles, issuing security security manuals, small security fans, legal books, against the cult, anti-drug publicity more than 400 copies, fill in hundreds of anti-evil commitment card, received excellent publicity. Mea

5、nwhile, Angolan group, at the invitation of Wang Daofei, Deputy General Manager of residential households small technology and security field publicity and demonstration, highly praised by area residents, creating a strong atmosphere. II is a combination of spiritual civilization and construction of

6、 harmonious community goal, the morning of August 22, zone comprehensive management office joint development zone police station in Jinhua city community organized to create a peaceful community, enhance the public sense of square with the theme of campaign. Activities through community police stand

7、, anti-theft lock shows, award-winning security knowledge quiz, people wrote and performed by cultural and sports programs and other content, reflect the heart of community residents to, toward pleasure and away from pain, expect peace and wishes to live and work in harmony! peoples public security

8、and social satisfaction continues to rise. Powerful advocacy the objectives and tasks of peace-building, integration of the system of spiritual civilization. Third is to carry out mass sense of household information and survey activities. Activities, total household issued a letter to 7,184, questio

9、nnaires to 7,184. Judging from the statistics, answer the security of social security 56.3%, safe 28.1%; answers caused insecurity in 15.6% (such as theft, fraud, food safety and other factors). Through this survey, let us find out the area of social security, we isolate the issue in the future work

10、, improving its working methods in a timely manner, maintain social order and stability of the development zone.Second, 2016 plan a is to further strengthen the stabilisation mechanism, continue to inactivate the gold leaf Garden two certificates handling contradictions and disputes is the current f

11、ocus, based on the actual, and strive to further in 2016, finish gold leaf Garden two certificates handle disputes passivation collapse; in the focus poll to resolve work, and strive to resolve the 1-2 old appeal and often visited. Also increase the intensity of contradictions and disputes mediation

12、, disputes and mediation, mediation success rate rate 100% above 98%. II is according to law rule district led group of requirements, combined zone work actual, timely summary 65 Franco-Prussian five years to of work practice, tightly around law ruling of work技 术 交 底 记 录技术交底记录编号隧 道CLZQ6-1-CZS1#JK-防排

13、水-02工程名称川主寺1#隧道进口交底级别级部位名称防水和排水工序名称(内容)施工缝、变形缝施工工艺施工单位隧道第一架子队二衬工班交底日期交底内容:1、适用范围:本技术交底适用于川主寺1#隧道进口工区的施工缝、变形缝施工。2、施工缝、变形缝防水施工工艺2.1、施工缝、变形缝处理暗洞施工缝环向、纵向采用背贴式止水带+中埋式橡胶止水带;变形缝环向采用背贴式止水带+中埋式钢边止水带+填缝材料+防水密封材料。明洞施工缝环向拱墙采用中埋式橡胶止水带+遇水膨胀橡胶止水条、仰拱采用背贴式止水带+中埋式橡胶止水带,纵向采用中埋式橡胶止水带+遇水膨胀橡胶止水条;变形缝环向采用中埋式钢边止水带+填缝材料+遇水膨胀

14、橡胶止水条+防水密封材料。2.2、材料类型2.2.1、橡胶止水带和钢边止水带采用三元乙丙橡胶制作。2.2.2、环向施工缝采用的中埋式橡胶止水带:宽度不小于300mm,厚度不小于6mm。纵向施工缝采用的中埋式橡胶止水带:宽度不小于300mm,厚度不小于10mm。2.2.3、变形缝采用的钢边止水带:宽度不小于300mm,厚度不小于6mm。2.2.4、背贴式止水带:宽度不小于300mm,厚度不小于4mm,凸高不小于30mm。2.2.5、填缝材料采用聚硫建筑封膏B类一等品或优等品。2.2.6、防水密封材料采用聚乙烯泡沫塑料板。以上材料应符合相关规范要求。拱墙环向施工缝防水构造图仰拱(底板)环向施工缝防

15、水构造图纵向施工缝防水构造图明暗衬砌相连处变形缝防水构造图不等厚衬砌相连处变形缝防水构造图等厚衬砌变形缝防水构造图2.3、止水带施工2.3.1、 施工工艺流程:中埋式止水带施工包括钻钢筋孔、安装及固定钢筋卡、固定止水带等环节其施工工艺流程如下所示: 施工准备加工背托钢筋及钢筋卡在台车挡头板上设置钢筋卡底座安装背托钢筋及钢筋卡固定止水带灌注防水混凝土结束 中埋式止水带施工工艺流程图2.3.2、 施工方法及步骤(1)立模,挡头板穿入固定钢筋;(2)安置橡胶止水带(一侧弯折)及浸沥青木丝板;(3)浇筑一侧砼;(4)拆模;(5)拉直止水带另一侧并固定(回填浸沥青木丝板);(6)立模浇筑另一侧砼;(7)

16、凿除浸沥青木丝板5cm;(8)用压注枪压入聚硫双组分密封膏(压实抹平)。2.3.3、止水带(条)的施工要求:A、素砼止水带的安装和固定方案一:挡头模扳由两块组成,止水带从中间穿过。素混凝土中采用钢筋卡固定止水带,钢筋卡采用6钢筋制作,第一节衬砌通过铁丝将钢筋卡固定在挡头模板上,钢筋卡按环向间距0.3m设置;在第二节衬砌时扳直钢筋卡垂直固定第二节衬砌内的止水带。方案二:止水带垂直弯曲,一端垂直挡头模板,一端紧贴挡头模板(涂抹上脱模剂),待第一节衬砌完后将紧贴模板止水带弯入第二节衬砌。素混凝土中采用钢筋卡固定止水带,钢筋卡采用6钢筋制作,第一节衬砌通过铁丝将钢筋卡和止水带固定在挡头模板上,钢筋卡按

17、环向间距0.3m设置;在第二节衬砌时扳直钢筋卡将一起弯入的止水带垂直固定在第二节衬砌内。素混凝土段中埋式止水带的固定方案一示意图1素混凝土段中埋式止水带的固定方案一示意图2方案一的钢筋卡大样图素混凝土段中埋式止水带的固定方案二示意图1素混凝土段中埋式止水带的固定方案二示意图2 方案二的钢筋卡大样图B、钢筋混凝土施工缝、变形缝防水施工钢筋混凝土施工缝、变形缝防水施工主要有两种施工方案。方案一:挡头模扳由两块组成,止水带从中间穿过。钢筋混凝土中采用特殊箍筋+铁丝来固定止水带,第一节衬砌通过铁丝和特殊箍筋将止水带固定在U形空内,特殊箍筋设置间距同环向箍筋间距;第二节衬砌通过在衬砌挡头钉水泥钉、铁丝及

18、铁丝箍筋将止水带垂直固定在U形空内。方案二:止水带垂直弯曲,一端垂直挡头模板,一端紧贴挡头模板(涂抹上脱模剂),待第一节衬砌完后将紧贴模板止水带弯入第二节衬砌。钢筋混凝土中采用特殊箍筋让止水带垂直安置在混凝土中,其余止水带的固定同素混凝土。钢筋混凝土段中埋式止水带的固定方案一示意图1 钢筋混凝土段中埋式止水带的固定方案一示意图2钢筋混凝土段中埋式止水带的固定方案二示意图1钢筋混凝土段中埋式止水带的固定方案二示意图2特殊箍筋大样图止水带应妥善固定,宜采用专用的钢筋套或扁钢固定。止水带先施工一侧混凝土时,其端模应支撑牢固,严防漏浆。变形缝与施工缝均用背贴式(中埋式)时,相交部位宜采用十字配件。仰拱

19、、拱墙施工缝与纵向施工缝交叉时应做好搭接措施防止渗漏水。止水带在转角处宜采用直角专用配件,并应做成圆弧形,转角半径不小于200mm。2.3.4、质量要求中埋式止水带埋设位置应按衬砌厚度的一半确定,应施工缝或变形缝的中心线重合。止水带径向位置,允许偏差为正负5cm,纵向允许偏离中心正负3cm。止水带应固定牢固、平直,不得有扭曲现象。止水带应采用焊接,接缝平整、牢固不得有裂口和脱胶现象,焊接方法见下图。粘接前应做好接头表面的清刷与打毛,接头处选在衬砌结构应力较小的部位,粘接采用热硫化连接的方法,搭接长度不得小于10cm,焊接缝宽不小于5cm。设置止水带接头时,应尽量避开容易形成壁后积水的部位,宜留

20、设在起拱线上下。止水带的外观质量要求2.4、止水条2.4.1、施工要求止水条安放前,先已浇筑混凝土端部充分凿毛、清洗干净。止水条在衬砌台车移动前4h左右安装,安装前最好先在凹槽内涂抹一层氯丁胶粘剂,止水条顺凹槽拉紧嵌入,确保止水条与槽底密贴,并用水泥钉固定牢固,同时在端部混凝土面上涂抹一层界面剂。止水条若有搭接,则可将止水条切成对口三角形,用氯丁胶水粘结。接口处不得有空隙。遇水膨胀止水条的施工应采用预留槽嵌入法,其接头处应重叠搭接后在粘结固定,沿施工缝形成闭合环路,期间不得留断点,搭接长度不应小于50mm。2.4.2、质量要求止水条不得受潮,安装前应进行检查。制品型止水条接头应重叠搭接后再黏结

21、固定,搭接长度不应小于5cm。制品型止水条定位后至浇筑下一段砼前应避免被水侵泡。设置止水条的环向施工缝宜在端面预留浅槽,槽应平整,槽宽应比止水条宽1-2mm,槽深应为止水条厚度的二分之一。2.5、嵌缝材料双组份聚硫密封膏缝内两侧应平整、清洁、无渗水,并涂刷与嵌缝材料相容的基层处理剂。嵌缝时应先设置与嵌缝材料隔离的背衬材料。嵌缝应密实,与两侧粘接牢固。2.6、变形缝施工变形缝缝隙较宽,选择变形缝防水材料时,除了选用中埋式钢边止水带止水外,还考虑到止水带有限的压缩变形能力和弹性变形能力以及与混凝土之间的密封还存在一定的缺陷,不能完全填充和密封其变形范围以外的孔隙,为此,又选用了一种具有“双重止水功

22、能”的外贴式止水带作补充,外贴式止水带通过与防水板进行焊接以此进一步达到防水效果,以及在明洞处加设遇水膨胀橡胶止水条。变形缝的设置与应符合下列规定:变形缝的位置、宽度、构造型式应符合设计要求;缝内两侧应平整、清洁、无渗水;缝底应先设置外贴式橡胶止水带;嵌缝应密实。施工准备在挡板上设置凸条浇筑防水混凝土拆模后清理预留槽口嵌入、固定止水条设置注浆管道安装质量检查浇注下循环混凝土注浆结束合格不合格变形缝施工流程图3、施工缝与变形缝防水质量检验标准3.1、施工缝防水3.1.1、施工缝所用的止水条、止水带等材料的品种、规格、性能等应符合设计要求。检验数量:按进场批次检验。检验方法:检查产品合格证、出厂检

23、验报告并进行相关性能指标试验。3.1.2、止水带的宽度和厚度应符合设计要求,厚度不得有负偏差。止水带的表面不得有开裂、缺胶和海绵状等影响使用的缺陷。检验数量:全部检查。检验方法:观察、尺量。3.1.3、止水条的宽度、厚度和直径应符合设计要求,表面不得有开裂、缺胶等缺陷。制品型遇水膨胀橡胶止水条应具有缓膨胀性能,其7d的膨胀率不应大于最终膨胀率的60%。检验数量:全部检查。检验方法:检查产品合格证和质量证明文件、进行相关指标试验、尺量。3.1.4、隧道衬砌混凝土施工缝防水构造型式应符合设计要求。检验数量:全部检查。检验方法:观察、尺量。3.1.5、施工缝的设置应符合下列规定:(1)边墙纵向施工缝

24、不应留置在剪力和弯矩最低处或底板与边墙的交接处,而应留置在高出底板顶面不小于30cm。(2)施工缝距预留孔洞边缘不应小于30cm。(3)设置止水条的环向施工缝,在端面预留浅槽,槽应平直,槽宽比止水条宽1-2mm,槽深为止水条厚度的1/2.检验数量:全部检查。检验方法:观察、测量。3.1.6、施工缝的浇筑应符合下列规定:(1)先浇筑的混凝土必须在达到强度后凿除混凝土表面的水泥砂浆和松软层,充分湿润,但不得有积水。凿毛使露出新鲜混凝土面积不低于75%。人工凿毛时混凝土应达到2.5MPa,风动机凿毛时混凝土应达到10MPa。(2)纵向施工缝后浇混凝土前,在凿毛的混凝土表面铺一层不大于30mm的砂浆或

25、不大于30cm的混凝土,并按设计要求设置止水条或止水带。(3)环向施工缝后浇混凝土前,在去除表面浮浆和杂物,设置制品型遇水膨胀止水条或中埋式止水带,涂刷水泥净浆或混凝土界面剂,及时浇注混凝土。检验数量:全部检查。检验方法:观察。3.1.7、止水带的安装、连接应符合下列规定:(1)止水带固定牢固、平直,不得有扭曲现象。(2)止水带安装径向位置允许偏差5cm,纵向位置允许偏离中心为3cm。中埋式其中心线应与施工缝(变形缝)的中心线重合。(3)止水带接头连接应采用焊接或设计要求,接缝平整、牢固,不得有裂口和脱胶现象。(4)背贴式止水带与防水板的连接方式应符合设计要求。检验数量:全部检查。检验方法:观

26、察、尺量。3.1.8、止水条安装、连接应符合下列规定:(1)止水条不得受潮,安装前应进行检查。(2)止水条安装位置应符合设计要求。(3)制品型遇水膨胀止水条接头应重叠搭接后再黏接固定,搭接长度不应小于50mm。(4)制品型遇水膨胀止水条定位后至浇筑下一环混凝土前,应避免被水浸泡。检验数量:全部检查。检验方法:观察、尺量。3.1.9、施工缝防水效果应良好,无渗水。检验数量:全部检查。检验方法:观察。3.2、变形缝防水3.2.1、变形缝所用止水条、止水带等材料的品种、规格和性能等的检验应符合验标的规定。3.2.2、变形缝嵌缝材料所采用的嵌缝板、密封料的品种、规格、性能指标应符合设计要求。检验数量:

27、按进场批次检验。检验方法:检查产品合格证、出厂检验报告并进行相关性能指标试验。3.2.3、变形缝的位置、宽度和构造形式等应符合设计要求。检验数量:全部检查。检验方法:观察、尺量。3.2.4、变形缝止水带、止水条防水施工的检验符合3.1.7和3.1.8的规定。3.2.5、变形缝嵌缝材料嵌填施工应符合下列规定:(1)缝内两侧平整、清洁、无渗水,涂刷的基层处理剂符合设计要求。(2)背衬材料的设置符合设计要求。(3)嵌填密实,与两侧黏结牢固。检验数量:全部检查。检验方法:观察。3.2.6、变形缝细部构造作法应符合设计要求,表面不得有渗水。检验数量:全部检查。检验方法:观察、尺量。3.2.7、用做沉降的

28、变形缝按设计要求设置沉降观测点并进行施工期间的沉降观测,年沉降速率应符合设计要求。检验数量:全部检查。检验方法:沉降观测点的设置采用计数检查,沉降观测采用仪器测量。3.2.8、变形缝应缝宽均匀、缝身竖直,环向贯通,填塞密实,外表光洁。密封材料嵌填严密,黏结牢固,无开裂、鼓包、下塌现象。检验数量:全部检查。检验方法:观察。交底人:班组接收人:本交底一式二份,架子队归档一份,班组一份,组织学习。task, to enhanced people of concept for pilot, to improve people of legal consciousness for task, to pr

29、omote economic development, and social stable, and law administrative for target, ahead deployment, full launched, highlight focus, strengthened measures, developed zone 75 Franco-Prussian planning. Third, major holidays and stability during the sensitive work, through further strengthening the stab

30、ility and responsibility, down to every level, responsibility to the gang, to the people. Will not be stability and hazard elimination, unsteady problems effectively. Strive to achieve unusual performers zero appeal. Stability control appealing at all levels, and strive to achieve in 2015 on the bas

31、is of the number of petitioners and petitioning batch 10%. Four is to strengthen peace-building, the rule of law. Peace-building, in order to further improve gold leaf Garden district public security in 2016 and we plan to invest 300,000 yuan, improving and increasing electronic monitoring gold leaf

32、 garden set Shi, and strive to not leaving, not half-hearted, strengthen construction of gold leaf garden technology protection conclude the Jinhua city lock core installation experience, 2016 plans to complete the garden of gold leaf lock cylinder replacement, strengthening community prevention and

33、 enhance the awareness of residents. Construction of rule of law aspects, depends on promoting the rule of law and cultural influence in the credit market, mining resources further, and strive to build a development zone characteristic of the rule of law promotion positions, development zone, the ru

34、le of law to create a work to a new level. Activities of the five is to continue to strengthen first to excellence, encourage the development community on the basis of the previous level, as far as possible apply for higher level model community towards once again bid for a civilized community of ef

35、forts to realize the provincial model communities complete coverage. Volunteer team for six efforts to form a development zone, community corrections, and operational training. The reformed legal education of personnel and through the guidance and support of reformed personnel self-employment, self-

36、employment and other forms and channels, facilitate a smooth return to society reformed personnel stand on their own feet, as soon as possible. Convergence rates for the released personnel strive to achieve punishment 100% 96%, help 100%, placement rates, and ensure that errors are not caused by neg

37、ligence. Seven is to keep on Falungong and other cult crackdown, increase on key personnel critical transformation, implementation measures completed creating a cult targets, create coverage at 100%. Eight is to continue to strengthen the rule of law to create work, basis development zone currently

38、active and dynamic role into full play, will work to catch as a key legal positions to create a working, satisfaction of peoples sense of security and the rule of law is more than 92%, the public sense of mass participation, awareness, satisfaction rate of 98%. To be completed in 2016 a major rule o

39、f law propaganda positions created. In the citys practice , three Suns building government governed by law seminar topic party lectures reported in the city on practicing , three Suns building government governed by law workshop report topic party lectures on comrades: according to the unified arrangement of the Central, starting from the end of April this year, cadres at and above the county level across the第 19 页 共 19 页

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > 建筑/施工/环境 > 农业报告


备案号:宁ICP备20000045号-2

经营许可证:宁B2-20210002

宁公网安备 64010402000987号