北京大酒店钢筋工程施工方案直螺纹连接

**大酒店钢筋施工方案编制人：审批人：**建设股份有有限公司2011年8月月20日目录一．编制依据·······················································································································································································31．施工组织设设计及施工图图纸·················································································································································32．主要标准、规规范、规程、图图集··································································································································33二．钢筋工程概概况·········································································································································································31．钢筋规格······················································································································································································32．受力钢筋保保护层·····································································································································································43．钢筋连接························································································································································································54．钢筋保护层层················································································································································································55．焊条····································································································································································································5三．施工部署·······················································································································································································51．钢筋加工场场地安排··································································································································································52．钢筋运输·······················································································································································································53．施工组织························································································································································································5四．施工准备····················································································································································································661．机具准备······················································································································································································62．技术准备··························································································································································································663．材料准备··························································································································································································773.1一般规定定················································································································································································73.2原材料试试验·········································································································································································73.3材料要求求················································································································································································84．测量准备························································································································································································85．施工准备························································································································································································8五．施工方法······················································································································································································81．钢筋加工工工艺及质量要要求·············································································································································881.1钢筋除锈锈···············································································································································································81.2钢筋切断断···············································································································································································91.3钢筋的调调直·········································································································································································91.4钢筋下料料··············································································································································································91.5钢筋弯曲曲成型······························································································································································91.6模具的制制作·····································································································································································1101.7钢筋加加工质量要求求················································································································································102．钢筋连接·······················································································································································································112.1钢筋直螺螺纹工艺··························································································································································113．钢筋绑扎安安装及质量要要求···············································································································································153.1一般要求求··············································································································································································153.2材料准备备··············································································································································································153.3基本方法法············································································································································································1173.4构造要求求················································································································································································23.5底板、基基础梁钢筋绑绑扎·········································································································································203.6框架柱钢钢筋绑扎·························································································································································213.7拉梁钢筋筋绑扎································································································································································223.8墙体钢筋筋绑扎································································································································································223.9梁与板钢钢筋绑扎·······················································································································································224六．成品保护····················································································································································································226七．质量保证措措施及质量要要求···········································································································································261．施工过程质质量控制及要要求···············································································································································261.1钢筋原材材质量控制···················································································································································261.2钢筋绑扎扎安装质量标标准·····································································································································281.3钢筋焊接接安装质量标标准·····································································································································292．质量管理与与措施······································································································································································293．人员素质保保证··········································································································································································2994．材料质量控控制·········································································································································································295．机具质量控控制···········································································································································································229八．安全与文明明的施工····························································································································································300九．环保与文明明施工措施························································································································································31十．钢筋工程控控制流程图························································································································································31一．编制依据1．施工组织设设计及施工图图纸序号名称称1《唐山**市****大酒店工程程施工图》2《唐山**市****大酒店工程程施工组织织设设计》2．主要标准、规规范、规程、图图集序号类别规范、规程名称称编号1国家《建筑物抗震设设计计规范》（GB5000111-201100）2国家《建筑地基基础础设设计规范》（GB5000077-200022）3国家《混凝土结构设设计计规范》（GB5000100-200022）4国家《建筑结构可靠靠度度设计统一一标标准》（GB5000688-200011）5国家《建筑结构荷载载规规范》（GB5000099-200011）(06版)6国家《建筑工程抗震震设设防分类标标准准》（GB5022233-200088）7国家《钢结构设计规规范范》（GB5000177-200033）8国家《地下工程防水水技技术规范》（GB5011088-200088）9行业《钢筋机械连接接技技术规程》（JGJ1007--2010）10行业《钢筋焊接及验验收收规程》（JGJ188-22003）11行业《建筑地基处理理技技术规范》（JGJ799-22002）二．钢筋工程概概况本工程框架抗震震等级为二级级。施工使用用钢筋选用国国家大型钢厂厂热轧Ⅲ级钢筋。1.钢筋规格类型主筋箍筋附加筋顶板8、10、122、14（开洞）10112214梁10、12、114、16、20、22、25、28、32，368，1216等等墙14、12、116、10、86柱20、22、225ф10、82．受力钢筋保保护层序号部位保护层厚度（mmmm）备注1基础底板（临土土侧侧）40保护层厚度不应应小小于钢筋公公称称直径2基础底板（其它它）303地下室外墙404地下室内墙155楼板（临土侧）406楼板（其它）157梁（临土侧）358梁（其它）259柱（临土侧）4010柱（其它）303．钢筋连接钢筋直径≥166mm的均采用直直螺纹连接，钢钢筋直径<16mm时采用绑扎扎连接。4．钢筋保护层层：本工程底底板钢筋保护护层采用豆石石混凝土垫块块，墙、柱、楼楼板、梁均采采用豆石混凝凝土垫块。5．焊条：采用用E43、E50、E55。三．施工部署1.钢筋加工场场地安排本工程钢筋全部部为现场加工工，加工场地地布置在现场场西侧和东侧，钢筋筋堆放场地在在加工场南北北侧。2．钢筋运输：：钢筋采用塔塔吊垂直吊运运到作业面。3．施工组织3.1施工段段：本工程模板板流水段分112个流水段，依依次为；一段段1-8轴/b-R轴；二段8-16轴/b-R轴；三段16-22轴/b-R轴；四段1-8轴/R-L轴；五段8-16轴/R-L轴；六段16-22轴/R-L轴；；七段1-8轴/L-F轴；八段8-16轴/L-F轴；九段16-22轴/L-F轴；十段1-8轴/A-F轴；十一段8-16轴/A-F轴；十二段16-22轴/A-F轴。3.2劳动力力组织序号工种人数（人）备注1钢筋制作40技术四级以上2钢筋绑扎1203力工50合计210四．施工准备1.机具准备序号机具种类数量（台）1割断机42弯曲机43单筒卷扬机24钢筋调直机15套丝机26无齿锯67电焊机48电渣压力焊设备备钢筋全部采用现现场加工，配配设：冷拉-切断、切断-成型、手工工加工箍筋及及布料四条生产线。加工设设备必须经过过验收合格后后方可使用。2．技术准备2.1审图：施施工前认真查查阅图纸（包包括与建筑图图对应的情况况）、方案、相相关安全质量量规范，遇到到图纸上的问问题提前与设设计联系解决决，配筋及施施工中重点突突出。2.2配筋：由由专业人员进进行配筋。配配筋单要经过过项目技术部部审核、技术术负责人审批批后才能允许许加工。钢筋筋配料时，要要计入钢筋弯弯曲及弯钩对对其长度的影影响，了解有有关混凝土保保护层、钢筋筋弯曲、弯钩钩等规定，再再根据图中尺尺寸计算其下下料长度。钢筋弯曲调整值值30°45°60°90°135°0.35d0.5d0.85d2d2.5d2.3交底：班班组在进行作作业之前必须须进行书面的的技术交底，交交底要有针对对性和可操作作性。交底次次数每周至少少一次，施工工至结构形式式变化时，必必须针对结构构特点着重进进行交底。交交底时应注意意季节性特点点及可操作性性。根据设计计对照配料单单分清钢筋的的规格、成型型简图、尺寸寸、配料及组组合；对加工工人员进行现现场技术交底底，做出合格格的标准样品品示范，按样样品下料制做做。3．材料准备3.1一般规规定钢筋选用1）钢筋进场随随批应有出厂厂质量证明书书或试验报告告，钢筋表面面或每捆（盘盘）钢筋均应应有标志。进进场时应按炉炉罐（批）号号及直径d分批验收。检检验内容包括括查对标志、外外观检查，钢钢筋的表面不不得有裂纹、结结疤、褶皱和和伤痕，并按按规定进行见见证抽取试样样做力学性能能试验，试验验合格后方可可使用。2）进场钢筋须须按规格分类类堆放整齐，堆堆放场地全部部硬化，堆放放时下部横向向加垫100×1100方木，间距距不大于1500mmm，避免锈蚀蚀或油污，并并根据规格、长长度挂好标识识牌。钢筋直螺纹连接接套筒选用套筒进厂时应有有产品合格证证，厂方负责责提供有效的的型式检验报报告，进厂后后应进行工艺艺检验合格后后方可使用。2）接套材料采采用45号碳素钢，连连接套的屈服服承载力和抗抗拉承载力不不小于被连接接钢筋屈服承承载力和抗拉拉承载力标准准值的1.10倍。3）经检验合格格的连接套，应应有明显的规规格标记，一一端孔应用密密封盖扣紧。4）外型尺寸应应符合有关规规范规定，检检验用通塞规规和止塞规，通通塞规应全部部旋入连接套套，止塞规旋旋入深度不大大于3P（P为螺距）。5）连接套不能能有严重锈蚀蚀、油脂等影影响混凝土质质量的缺陷或或杂物。3.2原材料试试验材料进场后按批批进行检查、验验收。2）进场钢筋每每种规格不大大于60t取试件一一组，大于60t取试件一一组。3）钢筋物理试试验必试项目目：弯曲试验验、拉伸试验验。4）每一组试件件数量：钢筋种类试件数量（个）拉伸试验弯曲试验热轧带肋钢筋22热轧光圆钢筋223.3材料要求求1）钢筋采用火火烧丝进行绑绑扎。2）保护层垫块块：基础底板板、柱基为豆豆石混凝土垫垫块，墙、柱柱、楼板及梁梁均采用豆石石混凝土垫块块。4．测量准备1）据平面控制制网，在防水水保护层上放放出轴线和基基础梁、墙、柱柱及柱基位置置线；底板上上层钢筋绑扎扎完后测量人人员必须组织织测外墙、柱柱插筋位置线线（每跨至少少两点红油漆漆标注）。2）楼板混凝土土浇注完后，支支设竖向模板板前，在板上上放出该层平平面控制轴线线。待竖向钢钢筋绑扎完成成后，在每层层竖向钢筋上上部标出标高高控制点。5．施工准备1）根据施工的的进度和流水水段的划分、以以及施工人员员的安排，结结合施工的工工作量准备相相应的机具设设备和材料进进场，进行现现场钢筋的加加工制作。2）按施工现场场平面图规定定的位置，将将钢筋后台加加工、堆放现现场清理干净净整洁，准备备好垫木，材材料按绑扎顺顺序、型号堆堆放并挂好牌牌。各种机械械有专人操作作牌，各种机机械定期保养养，维修上油油，保持机械械的清洁使用用合理。3）核对钢筋的的级别、型号号、形状、尺尺寸及数量是是否与设计图图纸及加工配配料单相同。4）钢筋外表面面有铁锈时，应应在绑扎前清清理干净，锈锈蚀严重侵蚀蚀断面的钢筋筋不得使用。将绑扎地点清理理干净。5）绑扎墙体时时，弹好墙身身、洞口位置置线，并将施施工缝处的松松散混凝土剔剔凿干净。6）绑扎梁、板板、柱时，作作好抄平放线线工作，弹好好水平标高线线，柱、墙外外皮尺寸线。五．施工方法1．钢筋加工工工艺及质量要要求1.1钢筋除锈锈钢筋在加工前应应先除锈，将将钢筋表面的的油渍、漆渍渍及浮皮、铁铁锈等清除干干净，以免影影响其与混凝凝土的粘接效效果，盘圆钢钢筋除锈通过过其冷拉调直直过程来实现现，螺纹钢筋筋除锈使用电电动除锈机，并并装设排尘罩罩及排尘管道道，以免对环环境造成污染染。1.2钢筋切断断1）钢筋的断口口不得有马蹄蹄形或起弯现现象。2）钢筋下料长长度的允许偏偏差为±10mmm，施工中要要严格控制下下料长度。3）检查数量：：按每一工作作班同一类型型钢筋、同一一加工设备抽抽查不应少于于3件。1.3钢筋的调调直1）钢筋调直场场地全部硬化化，钢筋调直直场地的有效效使用长度为为30米。三级直直径≤12的盘条钢筋筋调直采用卷卷扬机调直。2）钢筋调直时时，三级钢筋筋冷拉率不宜宜大于1%，钢筋调直直后应平直、无无局部弯曲，经经调直处理后后的钢筋表面面不得有明显显擦伤。1.4钢筋下料料1）下料原则：：同规格钢筋筋根据不同长长度，长短搭搭配，统筹配配料；先断长长料，后断短短料，减少短短头，减少损损耗。2）钢筋切断时时应核对配料料单，并进行行钢筋试弯，检检查料表尺寸寸与实际成型型的尺寸是否否相符，无误后方方可大量切断断成型。3）在工作台设设置控制下料料长度的限位位挡板，精确确控制钢筋的的下料长度。4）钢筋切断时时，钢筋和切切断机刀口要要成垂线，并并严格执行操操作规程，确确保安全。在在切断过程中，如发发现钢筋有劈劈裂、缩头或或严重的弯头头，必须切除除。5）用于直螺纹纹连接接头的的钢筋采用无无齿锯切断。6）用于箍筋的的钢筋应采用用无齿锯切断断。1.5钢筋弯曲曲成型1）钢筋弯曲前前，对形状复复杂的钢筋（如如弯起钢筋），根根据钢筋料牌牌上标明的尺尺寸，用石笔在钢筋上标标示出各弯曲曲点位置，同同时注意以下下三个方面：：①根据不同弯弯曲角度扣除除弯曲调整值值，其扣法是是从相邻两段段长度中各扣扣一半。②钢筋端部带带半圆弯弯钩时，该该段段长度划线线应应增加0.5d。③弯曲点标注注工作宜宜从钢筋中中线线开始向两两边边进行，两两边边不对称的的钢钢筋，也可可以以从钢筋的的一一端开始划划线线，但要注注意意校核各弯弯曲曲段的定型型尺尺寸。2）钢筋在弯曲曲机上上成型时，心心心轴直径是是钢钢筋直径的2.5倍，成型轴轴宜加偏心心轴轴套，以便便适适应不同直直径径的钢筋弯弯曲曲需要。同同时时，为使弯弯弧弧一侧的钢钢筋筋保持平直直，挡挡铁轴宜做做成成可变挡架架或或固定挡架架（加加角钢调整整）。3）箍筋成型时时，应应先做样品品。弯弯钩要求：135°弯钩的平直直段长度为10d，且两端弯弯钩成等号平行，长长度度误差不得得超超过5mm。1.6模具的制制作作箍筋成型、梯形形架架的焊制，底底底板马凳的的焊焊制都要做做模模具。如下下图图所示：1.7钢筋加加工工质量要求求1）钢筋拉直应应平直直，无局部部曲曲折。2）钢筋切断断断口不不得有马蹄蹄形形或起弯等等现现象，钢筋筋的的长度应力力求求准确。3）钢筋弯曲成成型形形状正确，平平平面上没有有翘翘曲不平现现象象。4）钢筋加工的的允许许偏差：序号项目允许偏差值（mmmm）测量法1梁主筋三级；钢钢筋筋下料长度度±10尺检2成型长度±5尺检3180弯钩平直直段段长度±5尺检4箍筋135平直直段段长度±5尺检590弯折±20直角尺检6墙板钢筋±10尺检7柱主筋±10尺检8受力钢筋顺长度度方方向的净尺寸±10尺检9弯起钢筋的弯折折位位置±20尺检5）成型好的钢钢筋按按平面布置置图图的指定地地点点堆放，防防止止锈蚀和污污染染。挂上标标牌牌，并标注注尺尺寸、型号号、规规格、形状状、使使用部位、数数数量、制作作人人等。2．钢筋连接2.1钢筋直螺螺纹纹工艺施工准备1）材料、机具具①钢筋：钢筋筋的级别别、直径必必须须符合设计计要要求，有出出厂厂证明书及及复复试报告单单。②连接套应符符合以下下要求A：连接套有产产品合合格证。B：有明显的规规格标标记（如25、28）。C：螺孔用塑料料密封封盖封住。D：连接套分类类包装装存放，不不得得混淆和锈锈蚀蚀。③机具：钢筋筋套丝机机设备。2）作业条件①操作工人必必须经专专门培训，并并并经考试合合格格后方可上上岗岗。②接头位置应应符合规规定。③熟悉图纸，做做好技技术交底。操作工艺：1）工艺流程：：钢筋下料→钢筋筋套套丝→接头单体试试件试验→钢筋连接→质量检查2）钢筋直螺纹纹加工工①本工程钢筋筋机械连连接采用直直螺螺纹机械连连接接，在钢筋筋端端头一次滚滚轧轧成型为直直螺螺纹，然后后用用预制的钢钢套套筒进行连连接接，以使钢钢筋筋断面积缩缩减减最小，同同时时钢筋端头头材材料在冷作作硬硬化的作用用下下，强度得得到到提高，使使钢钢筋接头达达到到与母材等等强强的效果。②钢筋应先调调直再下下料，切口口端端面应与钢钢筋筋轴线垂直直，不不得有挠曲曲及及马蹄形，宜宜宜用切割机机下下料齐头，严严严禁用气割割下下料。③滚轧钢筋直直螺纹时时，应采用用水水容性切割割润润滑液。不不得得用机油作作切切割润滑液液或或不加润滑滑液液滚轧丝头头。④加工丝头的的牙形、螺螺纹必须与与连连接套的牙牙形形、螺距一一致致，有效丝丝扣扣段内的秃秃牙牙部分累计长长度小于一一扣扣周长的1／2。并用相应应的环规和和丝丝头卡板检检测测合格。⑤操作人员应应按下列列要求，逐逐个个检查丝头头的的质量。A、钢筋丝头螺螺纹中中径尺寸的的检检验应符合合通通环规能顺顺利利旋入整个个有有效扣长度度，而而止环规旋旋入入丝头的深深度度小于等于3P（P为螺距）（见见见图1）。B、钢筋丝头螺螺纹的的有效旋合合长长度用专用用丝丝头卡板检检测测，允许偏偏差差不大于1P，（见图2）。C、连接套螺纹纹中径径尺寸的检检验验，用止、通通通塞规。止止塞塞规旋入深深度度小于3P；通规应全全部旋入。（见见图3）⑥自检合格的的接丝头头，按上述述的的要求对每每种种规格加工工批批量随机抽抽查查10％，且不得得少于10个。检验如如果有一个个丝丝头不合格格，即即应对该批批全全数检查，不不不合格的丝丝头头要重新加加工工，经再次次检检查合格方方可可使用。⑦已检查合格格的丝头头应加以保保护护。钢筋一一端端的丝头应应戴戴上保护帽帽，另另一端拧上上连连接套，并并按按规格分类类堆堆放整齐待待用用。3）连接套筒设设计见见下表序号钢筋规格P（螺距）Lф（套筒直径）M120355312122236034233253653926428370442953238049336备注连接套筒HRBB3335与HRB4000钢筋通用4）钢筋丝头设设计见见下表序号钢筋规格钢筋丝头有效丝丝扣扣长度及长长度度公差（mm）12027.50-44..5222300-4.5532532.50-55428350-5.55532400-65）异径型接头头套筒筒接头：本本工工程框架柱柱主主筋有异型型接接头，例如如222与20连接，25与22连接等，施施工方法见见下下图：3．钢筋绑扎安安装及及质量要求求3.1一般要求求1）两向钢筋交交叉时时，基础底底板板及楼板短短跨跨方向上部部主主筋放置于于长长跨方向主主筋筋之上，短短跨跨方向下部部主主筋置于长长跨跨方向下部部主主筋之下；；次次梁上下主主筋筋置于主梁梁上上下主筋之之上上；框架连连梁梁的上下主主筋筋置于框架架主主梁的上下下主主筋之上；；当当梁与柱或或墙墙侧平时，梁梁梁该侧主筋筋置置于柱或墙墙竖竖向纵筋之之内内。2）受力接头的的位置置应错开，在在在任一绑扎扎接接头中心至至搭搭接长度L1E的1.3倍区段段范围内，有有有接头的受受力力钢筋截面面面面积占受力力钢钢筋总截面面面面积的百分分率率，绑扎搭搭接接接头受拉拉区区不超过25%，受压区不不超过50%。3）绑扎时必须须将钢钢筋交叉点点全全部绑扎（均均均为双向受受力力），控制制钢钢筋不位移移。不不得漏绑。4）钢筋的连接接方式式、接头位位置置、接头数数量量、接头面面积积百分率、锚锚锚固长度、搭搭搭接长度、保保保护层厚度度等等应符合图图纸纸和规范的的要要求（《建建筑筑物抗震设设计计规范》（GB500011--22010、《钢筋机机械连接技技术术规程》（JGJ1107-220010）、《钢筋筋焊接及验验收收规程》（JGJ118-200003））。3.2材料准备备成品钢筋核对成品钢筋的的钢钢号、直径径、形形状、尺寸寸和和数量是否否与与料单料牌牌相相符；如有错漏，应及及时时纠正增补补。保护层垫块施工前根据钢筋筋部部位，将相相应应的垫块运运至至现场。墙体定位筋根据墙体的厚度度，算算出墙体定定位位钢筋的尺尺寸寸。加工尺尺寸寸必须准确确，端端头用角磨磨机机磨平，并并做做除锈防锈锈处处理。使用用之之前必须经经过过预检。1）梯子筋起步步位置置为暗柱边800mm。每道墙焊焊接梯子筋筋的的钢筋直径径要要求同设计计纵纵向钢筋规规格格，水平间间距距1400mmm。梯子筋中中的横筋要要求求按竖向方方向向，设置上上、中中、下三道道比比墙厚短2mm的支撑筋筋，支撑筋筋端端头要求用用磨磨光机打磨磨平平整，刷防防锈锈漆两道。保保保证端头平平整整且不会出出现现锈痕，这这样样既能控制制墙墙体钢筋的的位位置，又能能保保证墙体截截面面尺寸。当当用用梯子筋代代替替墙体钢筋筋时时，梯子筋筋钢钢筋直径必必须须大于墙体体钢钢筋一个等等级级。墙厚-2mm纵向梯子筋的规规格格和加工尺尺寸寸见下图：：墙厚-2mm2）在墙体上方方设置置一道水平“梯型架”定位筋，该“梯型架”位于顶板上上皮50～70cm。当混混凝土终凝凝后后拆除，周周转转作用。柱子定位筋为确保振捣混凝凝土土时柱子钢钢筋筋不移位，在在在柱插筋上上口口用定型钢钢筋筋卡固定，钢钢钢筋卡间距同柱主筋间间距距，当混凝凝土土终凝后拆拆除除，周转作作用用3.3基本方法法钢筋摆放位置线线的的标定在防水保护层上上放放出轴线、基基基础梁和墙墙柱柱、门洞位位置置线，并标标出出底板钢筋筋以以及墙柱插插筋筋位置线，每每每根钢筋摆摆放放位置线用用至至少两个粉粉笔笔点来标识识，墙墙柱插筋在在插插入部分的的底底和顶用红红漆漆标点标识识。底底板及基础础梁梁上筋绑扎扎完完以后，在在其其上（有红红漆漆标点标识识）放放出柱、墙墙、门门洞位置线线（控控制插筋）。基基础梁箍筋摆摆放线在对角角主筋上标出出。板筋、梁梁主筋摆放放线线（位置线线与与标高线）分分分别在每层层顶顶板模板四四周周和梁底模模端端部标出。柱柱柱、梁箍筋筋摆摆放线在对对角角主筋上标标出出。钢筋的绑扎钢筋采用22##铁铁丝绑扎。所所所有钢筋交交错错点均绑扎扎，且且必须牢固固。同同一水平直直线线上相邻绑绑扣扣采用顺扣扣或或八字扣，朝朝朝向混凝土土体体内部（局局部部无法朝向向内内部的，只只有有朝向外部部，但但绑扣露头头部部分应与水水平平筋相贴，且且且同一直线线上上相邻绑扣扣露露头部分朝朝向向应正反交交错错），露头头部部分与水平平筋筋成45°，且同一直直线上相邻邻绑绑扣露头部部分分朝向正反反交交错。3.4构造要求求墙体水平筋连接接构构造受拉钢筋锚固长长度度见下表受拉钢筋搭接长长度度见下表搭接接头任一一接头头中心至1.3l1EE范围内或焊焊接接头任任一一接头中心心至至35d且≥500mmm范围内，受受力钢筋接接头头面积不能能超超过规范规规定定。墙体竖向钢筋搭搭接接范围内，至至至少必须保保证证三根水平平筋筋通过，并并与与其绑牢，见见见下图：其他要求①外边轴墙体体、框架架柱插筋弯弯钩钩，外侧弯弯钩钩向内，内内墙墙柱弯钩应应向向两边。②标准层施工工，墙体体竖向钢筋筋应应距柱边5cm、水平钢钢筋距地面5cm为第一根根起步筋。3.5底板、基基础础梁钢筋绑绑扎扎工艺流程清理→放线→复复线线→清理→南北向（短短）底板下下铁放置→东西向（长长）底板下下铁放置→梁支架搭设设→南北向（短短）梁上铁铁放置、绑绑扎扎→东西向（长长）梁上铁铁放置、绑绑扎扎→放置东西向向（长）梁梁箍→放置南北向向（短）梁梁箍→放置三道柱柱箍→南北向（短短）梁下铁铁放置→东西向（长长）梁下铁铁钢筋放置置→→放置底板、梁梁梁垫块→拆除基础梁梁支架→调整基础梁梁位置→墙柱插筋放放线→放置墙柱插插筋并临时时固固定→放置三道墙墙体水平筋筋→→底板上铁标标高放线→放置马凳→东西向（长长）底板上上铁放置、绑绑绑扎→南北向（短短）底板上上铁放置、绑绑绑扎→调整、回定定墙柱插筋筋布筋原则1）底板、基础础梁钢钢筋排列顺顺序序为：短向钢筋下下铁在下，上上上铁在上。长长长向钢筋在在短短向钢筋的的中中间。若基基础础梁上下铁铁不不只一排，短短短向钢筋与与长长向钢筋交交错错布置。2）底板下铁的的接头头位置在房房间间跨中1/3范围内，上上铁在墙体体或或房间跨边1/3范围内。3）底板钢筋的的弯钩钩，下排均均朝朝上，上排排均均朝下。4）钢筋网的绑绑扎：：所有钢筋筋交交错点均绑绑扎扎，且必须须牢牢固。同一一水水平直线上上相相邻绑扣呈“八”字型，朝向向混凝土体体内内部，同一一直直线上相邻邻绑绑扣露头部部分分朝向正反反交交错。5）多层排列的的基础础梁受力钢钢筋筋相邻两排排钢钢筋之间垫垫以以短钢筋[max(255d)]。6）后浇带处钢钢筋不不断开。施工要点1）基础底板钢钢筋开开始绑扎之之前前，基础底底线线必须验收收完完毕，特别别在在墙柱插筋筋位位置、地梁梁、积积水坑等位位置置线，应用用油油漆在墨线线边边及交角位位置置画出不小小于于50mm宽，150mmm长标记。并并按图纸标标明明的间距弹弹出出底板钢筋筋位位置线，靠靠近近模板边的的钢钢筋离模板板边边为50mm。地梁要要在梁主筋筋上上用粉笔画画出出箍筋间距距，注注意加密区区的的间距。2）底板上下层层钢筋筋间采用焊焊接接式马凳铁铁控控制钢筋间间距距，马凳铁铁间间距1500mm，平行布布置。3）根据钢筋位位置线线布筋，用用自自制工具式“卡具”控制、检测测钢筋的间间距距。见下图图：：4）底板钢筋保保护层层控制采用用豆豆石混凝土土垫垫块，厚度40mm，按每600mm距离梅花花型摆放。5）根据底板墙墙体、暗暗柱位置线线，进进行墙体、暗暗暗柱插筋施施工工。为了防防止止插筋位移移，采采取以下措措施施：①将所有插筋筋与底板板钢筋绑扎扎牢牢固，并于于墙墙体两侧加加设设12钢筋限位。②暗柱钢筋在在两层底底板钢筋间间设设置三道箍箍筋筋定位。③墙体上口用用水平梯梯形定位筋筋控控制钢筋的的保保护层及水水平平间距，墙墙体体钢筋网片片间间按600mm间距设置钢钢筋撑铁。④内墙插筋：：打底板板混凝土时时，在在暗柱主筋筋间间拉通长白白线线，派专人人监监控插筋的的定定位情况，及及及时调整插插筋筋位置，确确保保插筋不发发生生位置偏移移。3.6框架柱钢钢筋筋绑扎框架柱工艺流程程校正钢筋位置→→套套箍筋→竖向钢筋连连接→划分档线→绑箍筋→绑保护层→验收1）套柱箍筋：：按图图纸要求间间距距，计算好好每每根柱箍筋筋数数量，先将将箍箍筋套在下下层层伸出的钢钢筋筋上，然后后绑绑扎定位钢钢筋筋，立柱子子钢钢筋。2）机械连接竖竖向受受力筋：柱柱子子主筋立起起后后，机械连连接接接头、套套筒筒尺寸应符符合合设计及有有关关规范要求求。3）画出箍筋间间距线线：在立好好的的柱子上，按按按图纸要求求用用粉笔划箍箍筋筋间距线。4）柱箍筋绑扎扎、连连接：箍筋筋的的接头（弯弯钩钩叠合处）应应应交错布置置在在四角纵向向钢钢筋上，柱柱角角钢筋与箍箍筋筋间用双扣扣交交错绑牢，绑绑绑扣相互间间应应呈八字形形。箍箍筋与主筋筋要要求垂直。5）下层柱竖向向筋露露出楼面部部分分，用柱箍箍将将其固定。3.7拉梁钢筋筋绑绑扎拉梁钢筋绑扎工工艺艺流程排间距→固定主主筋筋→穿纵梁主筋筋并套箍筋筋→→放横、纵梁梁架立筋→按间距绑梁梁上铁→主筋与箍筋筋→绑架立筋→绑下铁主筋筋1）拉梁主筋接接头位位置宜设置置在在受力较小小处处，梁板下下部部受力钢筋筋在在靠近支座1/3跨范围接长长，上部钢钢筋筋在跨中1/3跨长范围内内接长。同同时时，还应满满足足抗震锚固固要要求。2）纵横梁同时时配合合进行，梁梁端端第一个箍箍筋筋应设置在在距距离柱节点点或或梁边缘50mm处，在梁底底模板上按按图图纸划好箍箍筋筋的间距，梁梁梁端部箍筋筋加加密区，其其间间距和加密密区区长度应符符合合设计要求求。3）梁主筋双排排时，可可用短钢筋筋垫垫在两层钢钢筋筋之间，钢钢筋筋排间净距距：：上部钢筋筋不不小于30mm或1.5倍钢筋直径径，下部钢钢筋筋不小于25mm或钢筋直直径。4）拉梁箍筋开开口向向上并必须须错错开，框架架梁梁开口向上上并并必须错开开。3.8墙体钢筋筋绑绑扎墙筋构造地下结构外墙为为竖竖筋在外，水水水平筋在内内，内内墙为竖筋筋在在内，水平平筋筋在外。墙筋定位1）里撑：采用用上述述的梯型定定位位钢筋，将将其其竖向固定定在在剪力墙双双层层网片之间间，水水平间距1400mm。水平梯梯子筋放置置在在每道墙的的上上口，以保保证证钢筋的排排距距及保护层层厚厚度。2）外拉：采用用6钢钢筋制作的的拉拉勾，绑扎扎时时纵横间距距为为600mm，呈梅花花型布置。拉拉拉勾做180°弯钩。3）垫块：墙体体钢筋筋保护层垫垫块块豆石混凝凝土土垫块，垫垫块块间距800×8800，垫块布置置起点为距距楼楼板第二步步水水平筋，呈呈梅梅花型布置置。墙筋绑扎1）工艺流程插筋调整→水平平定定位钢筋→竖向定位钢钢筋绑扎→墙体钢筋网网片绑扎→保护层垫块块→验收2）施工要点①顶板混凝土土浇筑完完毕后，当当混混凝土强度度达达到1.2MPa后，可进行行楼层放线线，弹弹出墙体位位置置线，根据据墙墙体位置线线调调整墙体插插筋筋位置。②墙体钢筋均均采用双双向双排钢钢筋筋绑扎成网网片片，水平筋筋在在外，竖向向筋筋在内，两两片片钢筋网之之间间用6＠600拉结筋梅花花型放置。③墙体水平起起步筋距距楼板的距距离离、墙体纵纵向向钢筋起步步筋筋距暗柱边边的的距离、梁梁箍箍筋起步筋筋距距暗柱边的的距距离均为50mm；在上述起起步筋搭接接部部位，要求求搭搭接筋贴向向楼楼板、暗柱柱一一侧设置，即即即与楼板、暗暗暗柱的距离离不不得大于50mm。④钢筋绑扎好好后，在在暗柱和窗窗下下等没有墙墙体体定位筋的的部部位按800×8800间距梅花形形绑扎好保保护护层垫块。3）质量控制措措施①为有效控制制钢筋绑绑扎间距，在在在绑扎板、墙墙墙筋时均要要求求操作工人人先先划线后绑绑扎扎。②在浇筑混凝凝土前，应应详细检查查墙墙体筋和暗暗柱柱钢筋的位位置置是否准确确，固固定措施是是否否牢固，检检查查无误后方方可可进行下道道工工序施工。在在在浇筑混凝凝土土过程中应应派派专人管理理，随随时检查钢钢筋筋偏位情况况，发发现问题应应随随时处理。③通过垫块保保证钢筋筋保护层厚厚度度；豆石混混凝凝土垫块控控制制钢筋排距距和和纵、横间间距距。④钢筋绑扎后后，只有有土建和安安装装质量检查查员员均确定合合格格后，经监监理理检验合格格后后方可进行行下下道工序的的施施工。⑤焊工必须持证证上岗岗，焊接前前应应做班前焊焊试试件，以确确保保所调整的的焊焊接工艺参参数数满足焊接接规规范的规定定。焊焊接及机械械连连接接头必必须须逐一进行行外外观检查。⑥所有原材料、半半成成品、成品品必必须有合格格证证或检验报报告告，需送检检的的原材料按按标标准程序的的规规定严格执执行行，坚决杜杜绝绝使用不合合格格的产品。⑦所有预埋件件、电管管等的固定定不不得与主筋筋焊焊接，如须须焊焊接，必须须附附加钢筋。3.9梁与板钢钢筋筋绑扎梁、板钢筋构造造楼板保保护护层为净保保护护层，下排排钢钢筋中受力力筋筋在下，分分布布筋在上；；上上排钢筋只只有有在有负弯弯矩矩筋的地方方才才有分布筋筋。上上层弯钩朝朝下下，下层弯弯钩钩朝上。板板、次次梁与主梁梁交交叉处，板板筋筋在上，次次梁梁筋在中层层，主主梁筋在下下。相相同箍筋接接头头交错布置置在在两根纵向向架架立筋上。纵纵纵向受力筋筋为为多层时，层层层间垫以短短钢钢筋保证其其间间距。挑板板的的上部负筋筋及及构造筋不不能能漏放。相邻梁高度不同同时时钢筋布置置见见下图：2）楼板开洞加加筋见见下图:板筋定位双层楼板钢筋间间距距控制采用用焊焊接“马凳铁”。马凳铁采采用螺纹钢钢制制作，钢筋筋直直径要求不不小小于12mm；马凳铁间间距600mmm，设置在上上层铁下筋筋与与下层铁上上筋筋之间。且且马马凳与下铁主主筋交点处处必必须设置垫垫块块，放置方方向向垂直于负负弯弯距钢筋。绑扎方法1）顶板钢筋绑绑扎工工艺流程校正预留位置→→清清理模板→划线、分档档→绑下铁→绑负弯矩筋筋→垫保护层→验收↓↑水电预埋2）板钢筋从距距墙或或梁边5cm开始配置置；下部纵纵向向受力钢筋筋伸伸至墙或梁梁的的中心线，且且且不应小于5d（d为受力钢筋筋直径）。板板下部钢筋筋在在支座处搭搭接接，上部钢钢筋筋在跨中1/3处搭接。3）板筋绑扎：：先清清除模板上上刨刨花、碎木木、电电线管头等等杂杂物，并办办完完模板预检检手手续。在楼板上弹出轴轴线线、墙体位位置置线。用粉粉笔笔在模板上上画画好主筋、分分分布筋间距距。按按画好的间间距，先摆受力主主筋筋，后放分分布布筋、预埋埋件件、电线管管、预预留孔等及及时时配合安装装。钢钢筋搭接长长度度、位置符符合合设计及规规范范要求。绑绑扎扎负弯距钢钢筋筋，每个扣扣均均要绑扎。最最最后在主筋筋下下垫塑料垫垫块块。4）梁箍筋：从从距墙墙或梁边5cm开始配置置，门窗洞洞口口连梁进柱柱或或墙必须设设一一道箍筋；；箍箍筋间距及肢肢数见图纸纸。5）地上部分梁梁下部部钢筋在支支座座处搭接，上上上部钢筋在在跨跨中1/3处搭接。6）顶板筋施工工时，应应先绑扎下下层层铁，待设设备备预埋管线线后后，再绑扎扎上上层铁。两两层层钢筋之间间须须加钢筋马马凳凳，以保证证上上部钢筋的的位位置。马凳凳应应放在下铁铁上上，不得直直接接接触模板板。7）施工中设钢钢筋凳凳（25）上铺脚手手板作为人人行行通道，防防止止上筋被踩踩变变形。钢筋筋凳凳高度应高高于于板顶标高150mmm以上。8）施工缝的钢钢筋处处理：施工工缝缝处应将配配筋筋预埋甩出出，甩甩出的钢筋筋最最小长度应应大大于1000mm，并大于于搭接长度度，接接头位置错错开开应符合有有关关构造要求求。六．成品保护1．成型钢筋按按100个/捆捆牢，堆堆放到箍筋筋堆堆放棚区内内，支支垫好，防防锈锈蚀。挂好好标标识牌及填填写写好尺寸、规规规格、部位位。2．加工好的的半成品，按按按指定地点点堆堆放，地面面用用钢管搭设设存存放架，距距地地面300mmm高，并标明明规格、尺尺寸寸、简图、部部部位，堆放放整整齐。3．严禁随意意私自割断断钢筋。4．绑扎完的的梁、板钢钢筋要设钢钢筋筋凳，上铺铺脚脚手板作为为人人行通道，防防防止板负弯弯矩矩筋被下移移以以及受力构构件件配筋位置置变变化而改变变受受力构件。5．绑扎完的墙墙、柱柱钢筋，人人员员上下要经经过过脚手架，禁禁禁止攀爬钢钢筋筋。6．混凝土浇筑筑、模模板吊装时时均均应安排专专人人负责看护护并并铺设马道道，若若发现钢筋筋位位置变化或或被被碰撞移位位后后，应立即即修修整。7．浇筑混凝土土前，必必须对竖向向插插筋加套管管或或进行围挡挡保保护，以防防止止钢筋被污污染染。8．严格控制各各加密密区段的钢钢筋筋量，不得得漏漏缺。9．钢筋绑扎完完后，严严禁施工机机械械的油污等等污污染钢筋，如如如果钢筋被被油油污污染可可采采用适当浓浓度度的洗涤液液进进行清洗，并并并用清水冲冲洗洗干净。10．钢筋绑扎扎成形后后，认真执执行行三检制度度，对对钢筋的规规格格、数量、锚锚锚固长度、预预预留洞口的的加加固筋、构构造造加强筋等等都都要逐一检检查查核对，骨骨架架的轴线、位位位置、垂直直度度都必须实实测测检查，经经质质检员检验验合合格后报请请监监理公司验验收收，做好隐隐蔽蔽验收记录录，质质量达到优优良良水平。七．质量保证措措施施及质量要要求求1．施工过程质质量控控制及要求求1.1钢筋原材材质质量控制钢筋原材要求①进场热轧圆圆盘条钢钢筋必须符符合合《钢筋混混凝凝土用热轧轧光光圆钢筋》（GB100013）、《普通通低碳钢热热轧轧圆盘条》（GB701）的要求；；进场热轧轧带带肋钢筋必必须须符合《钢钢筋筋混凝土用用热热轧带肋钢钢筋筋》（GB14999）的规定。每每每次进场钢钢筋筋必须具有有原原材质量证证明明书。②进场钢筋表表面必须须清洁无损损伤伤，不得带带有有颗粒状或或片片状铁锈、裂裂裂纹、结疤疤、折折叠、油渍和漆污等。堆堆放时，钢筋筋下面要垫以以垫木，离地地面不宜少于于10cm，以防钢筋筋锈蚀和污染。钢筋原材复试1）热轧带肋肋钢筋①取样：同一一牌号、同同一炉罐号号、同同一规格、同同同一交货状状态态、同冶炼炼方方法的钢筋筋每每≤60t为一验收收批批。同一牌牌号号、同一规规格格、同一冶冶炼炼方法而不不同同炉号组成成的的混合批的的钢钢筋≤30t可作为一批批，但每批批应应≤6个炉号、每每炉号含碳碳量量之差应≤0.02%，含含锰量之差差应应≤0.15%，否否则应按炉炉号号分别取样样。每每一验收批批取取一组试件件（拉拉伸、弯曲曲各各二个）。②必试项目：：拉伸试试验（σs、σb、δ5）、弯曲试试验。2）热轧圆盘条条①取样：在上上述条件件下取一组组试试件（拉伸伸一一个、弯曲曲二二个，取自自不不同盘）。②必试项目：：拉伸试试验（σs、σb、δ10）、弯曲曲试验。原材复复试试中见证取取样样数必须≥总试验数的30%。钢筋接头试验1）直螺纹机械械连接接接头：同同一一施工条件件下下采用同一一批批材料的同同等等级、同型型式式、同规格格的的接头每500个为一个验验收批，不不足足500个也按一批批计。每一一验验收批必须须在在工程结构构中中随机截取3个试件做单单向拉伸试试验验。2）电渣压力焊焊接头头：以每一一楼楼层的同级级别别钢筋接头≤300个接头作为为一验收批批。每每一验收批取3个拉拉力力试件。注：①试件应应从成品中随随随机切取。②当初试结果果不符合合要求时应应再再取6个试件进行行复试。配料加工方面1）配料时在满满足设设计及相关关规规范、本方方案案的前提下下要要有利于保保证证加工安装装质质量，要考考虑虑附加筋。配配配料相关参参数数选择必须须符符合相关规规范范的规定。2）成型钢筋形形状、尺尺寸准确，平平平面上没有有翘翘曲不平。弯弯弯曲点处不不得得有裂纹和和回回弯现象。3）钢筋加工的的允许许偏差：序号项目允许偏差1受力钢筋顺长度度方方向的净尺尺寸寸±10mm2弯起钢筋的弯折折位位置±20mm3弯起点高度±5mm4箍筋内净尺寸±5mm1.2钢筋绑扎扎安安装质量标标准准钢筋绑扎安装必必须须符合（GB500010--22002）《混凝土土结构设计计规规范》、《钢钢钢筋机械连连接接技术规程程》（JGJ1107-20010）要求。保证项目和基本本项项目钢筋品品种种、质量、机机机械性能必必须须符合设计计、施施工规范、有有有关标准规规定定；钢筋表表面面必须清洁洁，带带有颗粒状状或或片状老锈锈，经经除锈后仍仍留留有麻点的的钢钢筋严禁按按原原规格使用用；；钢筋规格格、形形状、尺寸寸、数数量、间距距、锚锚固