hd施工缝、变形缝2级交底.doc
《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
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- hd 施工 变形缝 交底
链接地址:https://www.31ppt.com/p-4791189.html