qe楼钢筋施工方案(电渣压力焊闪光对焊搭接绑扎)secret.doc

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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义马市金马机电职工公寓钢筋工程专项施工方案 公司名称:豫西建设公司二分公司 核

13、准: 工 程 部: 安 监 部: 审 核: 编 制: 二一五年六月二十日task, to enhanced people of concept for pilot, to improve people of legal consciousness for task, to promote economic development, and social stable, and law administrative for target, ahead deployment, full launched, highlight focus, strengthened measures, develo

14、ped zone 75 Franco-Prussian planning. Third, major holidays and stability during the sensitive work, through further strengthening the stability and responsibility, down to every level, responsibility to the gang, to the people. Will not be stability and hazard elimination, unsteady problems effecti

15、vely. Strive to achieve unusual performers zero appeal. Stability control appealing at all levels, and strive to achieve in 2015 on the basis 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 gol

16、d leaf Garden district public security in 2016 and we plan to invest 300,000 yuan, improving and increasing electronic monitoring gold leaf garden set Shi, and strive to not leaving, not half-hearted, strengthen construction of gold leaf garden technology protection conclude the Jinhua city lock cor

17、e installation experience, 2016 plans to complete the garden of gold leaf lock cylinder replacement, strengthening community prevention and 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, minin

18、g resources further, and strive to build a development zone characteristic of the rule of law promotion positions, development zone, the rule 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 ba

19、sis of the previous level, as far as possible apply for higher level model community towards once again bid for a civilized community of efforts to realize the provincial model communities complete coverage. Volunteer team for six efforts to form a development zone, community corrections, and operat

20、ional training. The reformed legal education of personnel and through the guidance and support of reformed personnel self-employment, self-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

21、 for the released personnel strive to achieve punishment 100% 96%, help 100%, placement rates, and ensure that errors are not caused by negligence. Seven is to keep on Falungong and other cult crackdown, increase on key personnel critical transformation, implementation measures completed creating a

22、cult targets, create coverage at 100%. Eight is to continue to strengthen the rule of law to create work, basis development zone currently 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 o

23、f law is more than 92%, the public sense of mass participation, awareness, satisfaction rate of 98%. To be completed in 2016 a major rule of law propaganda positions created. In the citys practice , three Suns building government governed by law seminar topic party lectures reported in the city on p

24、racticing , 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目 录 1.编制依据12.工程概况13.施工安排23.1组织机构及职责23.2劳动力安排34.施工

25、准备34.1材料准备34.2机具准备35.施工方法45.1钢筋订购与检验要求45.2钢筋堆放要求55.3.钢筋调直、加工制作的工艺要求55.4钢筋的连接65.5钢筋的绑扎要求75.6钢筋闪光对焊215.7钢筋电渣压力焊245.8钢筋直螺纹连接265.9钢筋的定位措施及保护层措施296.质量保证措施307.成品保护318.安全文明施工328.1钢筋机械的使用安全328.2钢筋吊运的安全要求328.3墙、柱、梁钢筋绑扎安全要求338.4钢筋加工机械作业的安全要求339.环保措施351.编制依据1.1设计图纸1.2建筑施工高处作业安全技术规范(JGJ80-91)1.3建筑机械使用安全技术规范(JGJ

26、33-2001)1.4河南省建筑工程施工现场安全管理标准1.5行业标准钢筋滚轧直螺纹接头技术规程(Q/HJ08-1999)1.6钢筋机械连接通用技术规程(JGJ107- 2003)1.7混凝土结构工程施工质量验收规范(GB50204-2002)1.11义马市金马机电职工公寓施工组织设计2.工程概况义马市金马机电职工公寓工程位于义马市千秋路中段路南,本工程由河南金马重型机械制造有限公司投资兴建,设计单位为北京龙安华诚建筑设计有限公司,监理单位为河南科杨建设咨询监理有限公司建筑面积12481.29。本工程地下一层(地下二层、地下一层及一层),地上十五,建筑高度为49.90m,本工程为框架剪力墙结构

27、体系。该工程钢筋类别为HPB300、HRB400两种,最大钢筋直径为32,最小钢筋直径为6.5,本工程的钢筋全部在现场加工制作,根据施工组织设计要求,当钢筋直径16mm时墙柱钢筋采用电渣压力焊连接(主要规格为25、22、20、18、16、12、),梁钢筋直径大于16采用闪光对焊连结;筏板钢筋采用直螺纹链接,当钢筋直径16mm时采用搭接绑扎方法连接 ,钢筋的保护层均采用C35混凝土垫块来控制。3.施工安排3.1组织机构项目经理:员春波义马市金马机电职工公寓项目组织管理机项目组织管理机构构项目生产副经理:刘书强项目技术负责人:段国兴施 工 员 卜玉龙机械管理员 吴传奇材料保管员 张邦元材料采购员

28、段建强预算员 王卫东测量放线员 张雨露资 料 员 张文静项目试验员 高爱霞专职安全员 李 刚质量员 李建亭工 长 赵安生作业班组长3.2劳动力安排施工阶段施工人数备注基础及地下室工程35主体工程30二次结构84.施工准备4.1材料准备4.1.1根据施工图纸及规范要求,做出配筋单,提前10天提出各种规格、级别的钢筋原材计划,分批进场。为了节省钢筋,级钢筋可分9m和12m两种定尺提出,以便搭配使用。绑扎丝用22号绑扎丝。4.1.2混凝土垫块根据保护层的厚度在现场派专人制作,要求表面平整、方正,绑扎丝埋设牢固。混凝土垫块强度等级为C35垫块。各部位混凝土垫块(特别是用于承重结构的垫块:如底板、顶板、

29、梁等)应根据工程进度早日制作,并加强养护,在使用时达到其规定的强度。4.2机具准备序号机具名称型号单位数量用途1钢筋切断机QJ40-1台2钢筋切断钢筋调直切断机GT4-14台2钢筋调直、切断2砂轮切断机台3钢筋切割3钢筋成型机GJ1-45台2钢筋成型4电焊机台3钢筋焊接5对焊机NU150台1钢筋连结6电渣压力焊机台3钢筋连结钢筋套丝机台1钢筋连结7钢筋钩把50钢筋绑扎8钢筋扳子自制把30钢筋校正9钢丝刷把40钢筋清理10小翘棍自制根15钢筋校正5.施工方法5.1钢筋订购与检验要求5.1.1钢筋的订购所需钢筋由我公司物资供应部部采购,并负责运至加工场地。我公司根据ISO9001质量标准的要求对供

30、货单位进行评定和认可,建立合格的供方档案。工程所用钢材均在合格供方中选择,为材料的质量提供保证。5.1.2钢筋的检验要求1)材质要求根据施工进度计划,钢筋进场按钢筋备料单分批进场,同时钢筋进场时必须具有出厂质量证明书或试验报告单。每批钢筋进场必须按规格附带一张该批钢筋的试验报告单,且试验报告单上的代表数量不应小于所进场的数量且与实际进货量相对应,试验报告单尽量要原件,使用复印件应保留原件所有内容,并注明原件存放单位,复印件必须加盖供应单位红章与经办人签名,必要时查看原件。材质试验报告单上注明的含碳量差0.02%,含锰量差0.15%,含硫量0.045%,含磷量0.045%,钢筋的抗拉强度实测值与

31、屈服强度实测值的比值不应小于1.25;钢筋的屈服强度实测值与钢筋的强度标准值的比值,不应大于1.3。2)复试要求钢筋的检查钢筋出厂时,在每捆(盘)上都挂有不少于两个标牌,印有厂标、钢号、炉(批)号、直径等标号。钢筋进入施工现场时应分批进行验收。a)外观检查钢筋表面不得有裂缝、结疤、折叠及锈蚀。b)力学性能试验同一种规格每批重量不大于60t,在每批钢筋中的任意两根钢筋上各取一套,每套试样从每根钢筋端部截去50cm,然后再截取两根,一根做拉伸试验(包括屈服点、抗拉强度和延伸率),另一根做冷弯试验。试验时,如有一个试验结果不符合规范所规定的数值时,则应另取双倍的试样,对不合格的项目做第二次试验,如仍

32、有一根试样不合格,则该批钢筋为不合格品不予验收。5.2钢筋堆放要求堆放钢筋的场地要坚实平整,在场地基层上用C15混凝土硬化,并从中间向两边设排水坡度,避免基层出现积水。堆放时钢筋下面要垫垫木,垫木厚度不应小于20cm,间距1500mm,以防止钢筋锈蚀和污染。5.2.1原材堆放 钢筋原材进入现场后,按照“施工总平面图”的位置分规格、分型号进行堆放,不能为了卸料方便而随意乱放。5.2.2成品钢筋堆放将加工成型的钢筋分区、分部、分层、分段和构件名称按号码顺序堆放,同一部位钢筋或同一构件要堆放在一起,保证施工方便。5.2.3钢筋的标识钢筋原材及成品钢筋堆放场地必须设有明显标识牌,标识牌采用400400

33、mm的废多层板制作,钢筋原材标识牌上应注明钢筋进场时间、受检状态、钢筋规格、长度、产地等;成品钢筋标识牌上应注明使用部位、钢筋规格、钢筋简图、加工制作人及受检状态。5.3.钢筋调直、加工制作的工艺要求5.3.1钢筋的调直 本工程盘圆及盘螺钢筋采用钢筋调直切断机进行调直,对于直螺级钢筋,供货厂家在运输过程中能保证钢筋不弯曲、不变形,如果出现弯曲、变形情况,可采用锤直或扳直的方法进行调直。5.3.2钢筋的加工制作1)钢筋配筋单根据工程的施工图纸及规范要求,请各分承包配筋员对工程各部位进行详细的钢筋配置,配置过程中,若发现梁、柱、板交叉处钢筋过密,一定要先放样,提前采取措施,便于现场的加工制作。配筋

34、单必须先经总包专业配筋审核员审核,经甲方、监理、总包验收无误,交项目技术负责人审核签字后方可进行钢筋加工。2)钢筋除锈 钢筋加工前,先对由于潮湿或雨水引起的钢筋锈蚀进行除锈。盘螺及盘圆钢筋采用调直进行进行除锈,直螺钢筋采用钢丝刷进行手工除锈。3)钢筋的切断现场设置2台钢筋切断机及2台砂轮切割机。切断机可切割直径小于40mm的钢筋,按照审核后的配筋单进行切断。切断时要保证刀片与冲击刀片刀口的距离,直径20mm的钢筋宜重叠1-2mm,直径20mm的钢筋宜留3mm左右,以保证钢筋的下料长度。4)钢筋的成型现场设置2台钢筋成型机,可成型直径6-40mm的钢筋,将切割好的钢筋按照配筋单分层、分部位、分规

35、格进行弯曲成型。HPB300钢筋可采用人工操作摇手扳子进行钢筋成型,HPB300钢筋末端做成180弯钩,其圆弧弯曲直径不小于钢筋直径的2.5倍且不应小于受力钢筋的直径,平直长度3d,顶板支座负弯矩钢筋末端做城90弯钩,平直长度应符合设计要求;HPB300级箍筋的末端弯钩为1350,平直长度为10d。HRB400级钢筋采用钢筋弯曲成型机进行弯曲成型,HPB400钢筋末端做成90或135弯折时,其圆弧弯曲直径不应小于钢筋直径的4倍,平直长度应符合设计及规范要求。5.4钢筋的连接本工程墙、柱纵筋采用电渣压力焊连结,梁钢筋采用闪光对焊连结、搭接绑扎基础梁及承台采用直螺纹链接四种连接方法。对于钢筋直径1

36、6mm墙、柱纵筋采用电渣压力焊连结;梁钢筋采用闪光对焊连结,16mm钢筋采用搭接绑扎方法;搭接接头和机械连接接头必须离开拐点10d。根据设计要求及混凝土结构工程施工质量验收规范(GB50204-2002)要求,钢筋的搭接(搭接接头面积百分率按50%考虑)和锚固长度见下表 纵向受拉钢筋的最小锚固(搭接)长度(三级抗震)钢筋类型混凝土强度等级C25C30C35C40三级抗震钢筋采用搭接直径小于25mm时修正系数为1.05,当钢筋直径大于25mm时修正系数为1.1mm。光钢筋HPB30036d30d29d26d带肋钢筋HRB40042d37d34d30d5.4.1钢筋绑扎接头要求 1)绑扎接头中钢筋

37、横向净距大于或等于钢筋直径且不小于25mm。 2)从任意绑扎接头中心至搭接长度的1.3倍区段范围内,有接头的受力钢筋截面面积占受力钢筋总截面面积的允许百分率应符合以下规定:a)受拉区不超过25%,b)受压区不超过50%。5.4.2钢筋电渣压力焊接头要求在任意接头中至长度为钢筋直径的35倍的区段范围内,有接头的受力钢筋截面面积占受力钢筋总截面面积的允许百分率应符合以下规定:1. 不超过50%。2. 接头不宜设置在有抗震设防要求的框架梁端、柱端的箍筋加密区;当无法避开时,不超过50%。5.4.3钢筋接头位置1)底板钢筋:闪光对焊连接接头,接头位置任意,但同一连接区段内接头应50%错开35倍钢筋直径

38、且不小于500mm。2)框架柱筋:电渣压力焊连接接头, 50%错开接头。3)框架梁筋:闪光对焊连结接头,上筋接头设在跨中1/3范围内,下筋接头在支座1/3范围内。接头位置50%错开35倍钢筋直径且不小于500mm。4)暗柱:主筋直径16mm的电渣压力焊连结,根据设计要求,50%错开接头;主筋直径16mm的采用绑扎搭接接头,根据设计要求,50%错开接头。5)墙筋:主筋直径16mm的采用电渣压力焊连结接头,根据设计要求,50%错开接头;主筋直径16mm的采用绑扎搭接接头,根据设计要求,50%错开接头。6)楼板筋:主筋直径16mm的采用闪光对焊连结接头:对于地下室室外部分顶板,上筋接头在跨中板带内跨

39、中1/3L0(L0为净跨)范围内,下筋接头在柱上板带内离支座1/3L0(L0为净跨)范围内,接头位置50%错开35倍钢筋直径且不小于500mm;对于裙楼和塔楼顶板,上筋接头在跨中1/3范围内,下筋接头在支座1/3范围内。对于主筋直径16mm的采用绑扎搭接接头,要求50%错开接头。5.5钢筋的绑扎要求5.5.1钢筋绑扎5.5.1.1基础底板钢筋作业条件a)基础垫层已施工完毕并满足上人条件。 b)轴线、墙线、柱线已弹好并经过预检验收。5.5.1.2筏板钢筋绑扎l 按图纸设计的钢筋间距、墙、柱、坑井、门洞位置,在筏板垫层上弹出底板下层钢筋位置线。先铺西南向钢筋、后铺东北向钢筋,以方便各区搭接。l 筏

40、板混凝土保护层采用C35混凝土垫块,垫块厚度等于保护层厚度,将混凝土垫块按1米间距呈梅花形摆放。l 筏板下铁绑扎完后,水、电等专业单位进行预埋管线的覆设、预留洞口的留置,待接到专业单位的书面工序交接单后,才进行上铁的覆设。l 底板下层钢筋绑扎完后,按图所示尺寸布设上层钢筋支架,支架下端点焊于底板底层钢筋上,支架上端根据保护层要求将最顶层支架处钢筋下返兼作钢筋支撑筋与支架立筋焊接,钢筋支架形式见图l 筏板钢筋主要采用直螺纹连接,构造底板部分采用绑扎搭接。钢筋接头位置应相互错开,在任一接头中心至长度为钢筋直径的35倍的区段范围内,有接头的受力钢筋截面积占受力钢筋总截面面积的百分率:同一截面的接头率

41、50。l 根据弹好的墙、柱位置线,将墙、柱伸入底板的插筋绑扎牢固,插筋插入板下层钢筋上,弯折长度大于10d。柱插筋外露长度按1000mm、2000mm间隔布置。墙体插筋外露按700mm、1200mm间隔布置。l 柱筋插好后在底板筋表面设一道定位箍筋,第一道箍筋距底板上表面不大于50mm,底板内设两道架立定位箍筋。l 底板混凝土浇筑时,在距墙(内侧)边线150mm处、2500mm处要预留一排22短钢筋,间距1200mm;在距柱边线150mm处、2500mm处要预留22短钢筋,作为墙、柱支模加固用地锚。插筋外露200mm高。5.5.1.2柱钢筋作业条件a)轴线、柱边线已弹好并经过预检验收。 b)混

42、凝土施工缝已凿去表面浮浆并清理干净。 钢筋规格柱的钢筋主要为25、22、20、18、16等规格。 绑扎顺序修整预留钢筋电渣压力焊接长划箍筋间距套箍筋绑柱子箍筋 a)框架柱基础插筋应插入底板底部,为了保证插筋位置准确,除插筋拐角与板筋绑扎牢固外,在底板上下层钢筋网片间增设一道附加箍筋,附加箍筋与板筋及插筋绑扎牢固。b)柱插筋按要求设置后,在其底板上口设一道定位箍,保证柱钢筋不偏位。框架柱基础插筋见下图2。c)柱筋连接完后,要用线坠校正其垂直度无误后再绑扎箍筋。先上中下各绑一道并在上口及下口放上柱定位筋(上口柱定位筋可周转使用,下口柱定位筋距楼板结构面15cm,一方面固定钢筋不偏位,另一方面作为柱

43、模板的定位撑),并在柱模上口增设一道定位木框,见下图7。d)采用电渣压力焊接长柱子主筋,按箍筋的间距在对角线的主筋上划线,从柱顶部把箍筋套上,第一道柱箍筋距混凝土结构面不大于50mm,箍筋的开口要要沿受力钢筋方向交错布置,箍筋与竖向钢筋交点均应每点绑扎牢固。 图2 e)独立柱受力钢筋保护层为25mm,外墙边柱、角柱钢筋外侧保护层为50mm,内侧为25mm。柱箍筋根据保护层厚度的不同分类制作并分类码放做好标识,以免施工时混淆。f)柱箍筋端头弯成1350,平直部分长度为10d(d为箍筋直径)。 g)柱子主筋与箍筋绑扎时,转角处采用兜扣绑扎,中间采用八字扣绑扎,并且绑扣的多余绑丝必须朝向构件内部。5

44、.5.1.3墙钢筋作业条件a)轴线、墙边线及控制线已弹好并经过预检验收。 b)混凝土施工缝已凿去表面浮浆并清理干净。 c)墙体钢筋绑扎前,在两侧各搭设两排脚手架,每步高度1.8m,脚手架上满铺钢脚手板,确保操作人员具有良好的作业环境。墙体钢筋绑扎流程图1)墙筋绑扎前, 用钢丝刷将污染的钢筋清理干净,测量工及时弹出墙体内外边线及控制线。混凝土工根据墙体内外边线用扁铲剔凿并将浮浆、石渣清理干净。2)校正甩槎筋位置根据已弹好的墙内外边线,对保护层偏大或偏小的钢筋按1:6打弯对钢筋进行校正;对钢筋间距偏差超过5mm的也要进行校正,校正甩槎竖向筋时,第一根竖向筋要求距两侧暗柱边距离为50mm,中间钢筋间

45、距按图纸设计要求从中间向两边排列,排至第二根竖向筋时,如钢筋间距不符合图纸要求,允许对其进行调整,但钢筋间距不应大于图纸设计要求,墙体竖向钢筋排列见下图3。 图3 墙竖向钢筋排列图3)暗柱钢筋绑扎图4 暗柱竖向钢筋构造图a)暗柱竖向钢筋构造见上图4。b)暗柱竖向钢筋绑完后,在暗柱竖筋对角用粉笔从下往上画箍筋分档间距线:箍筋起步筋距混凝土面为25mm,搭接区箍筋间距取5d及100mm的最小值(d为暗柱钢筋最小直径),非搭接区箍筋间距按图纸要求。搭接区箍筋形式见上图4。c)从上往下套箍筋,箍筋套完后从下往上绑扎,箍筋与暗柱主筋用20#绑扎丝采用兜扣绑扎,箍筋叠合处沿暗柱主筋顺时针或逆时针交错布置,

46、箍筋与主筋绑扎要到位,同一暗柱大小箍筋要求用绑扎丝分开绑扎,箍筋弯钩要求135保证平行。d)暗柱钢筋绑扎完后,用线坠吊垂直后,采用钢管架临时固定。4) 墙钢筋绑扎 暗柱及端柱钢筋绑扎完后,较正垂直度并用钢管架将暗柱固定后再绑扎墙筋。绑墙水平筋时,根据竖向梯子筋分档间距安放水平筋(绑扎前先将梯子筋拉线调平并用上中下水平筋临时固定,竖向梯子筋比墙体立筋大一个等级并代替墙立筋,梯子筋纵向间距为2000mm,),要求第一道水平筋距混凝土结构面不大于50mm并在第一道暗柱箍筋之上,墙竖向筋与水平a)筋相交点均要用20#22#绑扎丝成八字扣绑扎。b)竖向钢筋及水平钢筋弯钩要求朝向朝向混凝土内部。c)钢筋绑扎完后,放好保

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