《1 、2 、3 地坑及AD跨设备基础钢筋施工方案1.doc》由会员分享，可在线阅读，更多相关《1 、2 、3 地坑及AD跨设备基础钢筋施工方案1.doc（11页珍藏版）》请在三一办公上搜索。
1、ocusing on ways and means of improving and upgrading work, further development of three to split. (A) fully grasp no unauthorised created. The township no unauthorised created the existing building one household, one document survey and file storage work must be unconditional and full coverage. Main
2、 corridor leading to the town (road, river) village, the Central built-up area of the town on both sides must be to create a no unauthorised village. According to five hundred villages created and shanty towns, villages, old houses, reconstruction of old plant, expand create, upgrading creates files
3、, the real no unauthorised village created into the benefit of the people of very good thing. (B) to strictly manage count as unauthorised controls. Promoting the new control work to move the center of gravity, management measures to the front, and earnestly pipes effectively. A strict new unauthori
4、sed network responsibility. Sectors such as land, housing and basic stations (stations) and the Township of grid accountability mechanisms must be strictly in accordance with the new regulatory requirements, effective implementation of the area of responsibility of the new inspections, suppression,
5、demolition work to ensure that the new zero tolerance. Second, public security, water, electricity, water, oceans and fisheries, tourism collaboration, market supervision departments should strictly enforce the illegal construction of disposal of relevant provisions of the regulations, effective ful
6、filment of responsibilities, particularly in electricity and water supply, and other units may not be new illegal buildings to supply water and electricity supply. While more regulation to prevent personal privacy violations. Illicit trading in illegal construction in the Ministry of public security
7、 sector to strictly from the blow. Three is to create additional offence reporting system of incentives. According to building law and covers an area of nature, to report timely degree divided report grade, effective after the removal of certain incentives. (C) integrated implementation , building d
8、emolition, modification, use combination. Demolition is the means and purpose built is. To adhere to the building demolished, combination of construction and demolition waste, demolished with combined efforts to improve the scientific level of three to split; second, we must pay attention to three t
9、o split and five hundred and five water treatment, three of the four sides, the shackDistrict transformation, and dangerous old room transformation and two road sides, series work organic combined up, active do River, and along demolition work, and manpower advance village in the, and old residentia
10、l demolition work, to improved masses housing conditions and live environment; three to put three modified a split as traditional low, and small, and bulk industry structure transformation upgrade of important initiatives to caught, speed up advance industry Park, effective optimization park environ
11、ment 1#、2#、3#地坑及A-D跨设备基础钢筋工程施工 方案 一、编制依据1、1#、2#、3#地坑及A-D跨设备基础施工图。2、国家现行施工验收规范、规程、建筑标准设计图集等。二、工程概况1#、2#、3#地坑及A-D跨设备基础工程，结构形式;1#、2#、3#为现浇钢筋混凝土框架剪力墙结构与钢筋混凝土剪力墙结构、其他为现浇钢筋混凝土筏板结构。钢筋均采用HRB400等级。埋铁采用Q235，地坑层高分别为；1#地坑为4.4M、3.5M、3.4M，2#地坑为3.5M、3.2M、2.5M，3#地坑为2.2M。其他筏板高度为0.3M到1.7M。D20钢筋采用焊接或搭接连接。三、主要目标：1、质量目标
12、：钢筋分项工程质量达到合格要求。2、进度目标：2012年4月30日完成以下工程。保证以下结构工程的节点要求。3、质量验收要求及验收标准。3.1钢筋的品种和质量必须符合设计要求和有关标准的规定。3.2钢筋规格、形状、尺寸、数量、锚固长度、接头位置，必须符合设计要求和施工质量验收规范GB502042002的规定。3.3钢筋安装完毕，班组自检合格后，项目部验收，合格后报监理进行隐蔽验收，未经监理验收的部位，不准进入下一道工序施工。四、 施工准备1、技术准备：11熟悉施工图纸。12已对施工班组进行详细的技术交底。13实行方案先行，样板带路制度。14建立严格的质量控制和管理措施。2. 测量准备：根据平面
13、控制网，在混凝土垫层上放出轴线和基础梁、墙、柱位置线，底板上层钢筋绑扎完成后测量人员必须组织测放墙、柱插筋位置线（每隔2M至少两点用红油漆标注）。竖向钢筋绑扎完成后，在竖向钢筋上部用红油漆标出标高控制点。3. 材料及主要机具：名 称型 号单 位数量名 称型 号单 位数量切断机CQ50台6电渣压力焊 机BX1-630台1调直机GX12台3闪光对焊 机UN1-150台2弯曲机GX12台6机械套丝 机Z37-R4台3电焊机BX1-630台30切割机TXC-400台331、工具：钢筋钳，钢丝刷、钢筋钩子、撬棍、扳子、绑扎架、机械三轮车、粉笔、尺子。32材料：铅丝：22号铅丝。垫块：大理石片，砂浆垫块、
14、各种挂钩或撑杆。4、劳动力安排：工 种单 位数 量钢 筋 工人155、作业条件：51按施工现场平面图规定的位置将钢筋堆放场地进行清理、平整、 硬化。搭设钢筋加工防护棚，垫木摆放到位，按钢筋型号分类堆放并做明显标志。52设置钢筋加工场地，机械摆放整齐，流水作业。53制作成型的钢筋堆放整齐，并挂标示牌。54模板已施工完毕且验收合格。五、施工重点：1、做好进场钢筋的验收和复检。2、保证钢筋加工的尺寸。3、保证钢筋安装的位置。4、钢筋规格、形状、尺寸、数量、锚固长度、接头位置，必须符合设计要求和施工质量验收规范GB502042002的规定。六、主要施工方法：1、施工顺序：按照施工流水段顺序（附施工段分
15、区图）。2、施工要点：21清理垫层的杂物，然后按设计要求的钢筋间距、埋铁间距，并在垫层用氧化铁红弹线或用红油漆标红。22按照弹线位置摆放钢筋，然后绑扎。钢筋绑扎用22#铅丝，正反八字扣满扎。要求绑扎牢固，无松动脱扣。23底板底层钢筋绑扎完后，摆放基础梁钢筋，按照弹线位置摆放基础梁主筋，然后根据设计要求的箍筋间距，用粉笔在基础梁主筋上画处箍筋的位置线。将箍筋套在基础梁上，逐个对齐画线位置，绑扎箍筋。箍筋弯钩部位应交错间隔布置，相邻箍筋弯钩位置不应相同。24柱插筋：基础放线时，应对柱子位置弹线并作明显标记。应按照柱子位置线在底板钢筋上绑扎定位箍筋，将加工好的柱子插筋弯钩与底板钢筋绑扎牢固。25基础
16、底板钢筋： 钢筋级别焊接形状焊接长度单面焊8d双面焊4d、单面焊10d双面焊5d注：d为主筋直径（mm）251按照弹线位置摆放钢筋，钢筋网片位置符合设计要求。252钢筋绑扎时，底板钢筋采用梅花跳绑，双向受力钢筋必须将钢筋交叉点全部绑扎，必须保证钢筋不移位。253绑完下层钢筋后，摆放钢筋马凳（25，间距800mm）,在马凳上摆放纵横两个方向的定位钢筋。 2.5.4钢筋接头采用绑扎搭接和焊接搭接，搭接接头位置要互相错开，接头数量在同一个区段内接头不宜大于25%。搭接长度为35d。电弧搭接焊接长度如下表。2.5.5基础筏板钢筋绑扎完后，并依在垫层以放好的埋铁线进行埋铁安装。2.6.剪力墙钢筋：261
17、砼墙筋为双向受力钢筋，所有钢筋交叉点应逐点绑扎，双排钢筋之间应绑拉筋，以固定钢筋间距。拉筋采用6（HRB400)钢筋制作成“S”型，间距600mm，呈梅花型布置。262砼墙上预留洞口尺寸大于300mm时，在洞口处周围设置318加强筋，洞口大于800时在洞口上下增设暗梁(断面尺寸为墙厚*500），上下钢筋为425（HRB400），箍筋为8（HRB400）、间距为150MM。2.6.3.墙体钢筋绑扎完毕后按图纸设计要求放出埋铁位置，并进行埋铁安装。264后浇带贯穿整个地下室的底板，顶板和砼墙，按照图纸设计要求设加加强筋。265柱钢筋：在柱主筋上，按设计要求箍筋间距用粉笔划线，将箍筋从上向下套在主筋
18、外面，不可将箍筋扳开套在主筋外面。按照画线位置逐一绑扎箍筋，要求箍筋垂直于主筋。相邻箍筋弯钩位置应错开放置。27梁钢筋：27.1梁底模支设完后，开始绑扎梁筋，首先清理模板上的杂物，然后在梁底模上摆放梁主筋，同时将梁箍筋套梁主筋外。27.2钢筋连接：将梁主筋接头按照施工规范要求设置好后，进行绑扎连接。绑扎扣不少四道。27.3用木方或钢管将梁上部主筋架在楼板模板上一定高度，以利于绑扎。27.4在梁、柱主筋上，按设计要求箍筋间距用粉笔划线。27.5先将梁上部箍筋与箍筋绑扎牢固，再将下部筋与箍筋绑扎牢固，然后在梁下部钢筋、梁侧面钢筋设置好垫块，撤去架梁的木方或钢管，使梁落入模板内。27.6梁端第一个箍
19、筋应设置在间距柱节点边缘50mm处。梁与柱交接处箍筋应加密，其间距与加密区长度均要符合设计要求。28现浇板钢筋绑扎28.1清理模板上的杂物，然后按设计要求的钢筋间距，在模板上用氧化铁红弹线。28.2按照弹线位置摆放钢筋，然后绑扎，要求绑扎牢固，无松动脱扣。28.3楼板钢筋先摆放底部受力钢筋网片、然后布置电线管、预留孔等，再加马凳和垫块,最后绑扎上部钢筋网片和支座附加钢筋，安装埋铁。29.0钢筋搭接及焊接接头不宜位于构件最大弯矩处。接头位置应相互错开，绑扎接头数量同一连接区段内接头面积受拉区不大于钢筋总面积的25%，受压区不大于50%；焊接和机械连接接头数量受拉区均不大于50%。纵向受力钢筋连接
20、区段长度为35d且不小于500mm。30钢筋保护层厚度，柱基下钢筋为50mm，基础梁下部、端头侧钢筋为50mm，基础梁其余钢筋为35mm，地坑外墙外侧及底板保护层厚度为50mm，地坑外墙内侧及底板顶面35mm，柱为35mm，梁为25mm，楼板为20mm。垫块应绑在主筋外皮上（或用塑料卡），间距部大于1000mm。七、技术质量保证措施1、进场钢筋质量标准及验收:11原材方面：进场热轧带肋必须符合钢筋混凝土用热轧带肋钢筋（GB1499）的规定。每次进场钢筋必须具有原材质量证明书，其质量必须符合有关标准的规定。12原材复试符合图纸设计和有关规范要求。热轧钢筋进场时，应按批次进行检查和验收。每批由同一
21、厂别、同一炉罐号、同一牌号、同一交货状态、同一规格钢筋60t可作为一批。13当发现钢筋脆断、焊接性能不良或力学性能显著不正常等现象时,应对该批钢筋进行化学成分检验或其他专项检验并退场此批钢筋。14钢筋应平直、无损伤，表面不得有裂纹、油污、颗粒状或片状老锈。2、钢筋加工检验标准钢筋加工的允许误差项 目允许偏差（mm）受力钢筋顺长度方向全长的净尺寸10弯起钢筋的弯折位置20箍筋内净尺寸53、钢筋安装检验标准钢筋安装位置的允许偏差和检验方法项 目允许误差检验方法绑扎钢筋网长，宽10钢尺检查网眼尺寸20钢尺量连续三档，取最大值绑扎钢筋骨架长10钢尺检查宽，高5钢尺检查受 力钢筋间距10钢尺量两端，中间
22、各一店，取最大值排距5保护层厚度基础10钢尺检查柱，梁5钢尺检查板，墙3钢尺检查绑扎箍筋，横向钢筋间距20钢尺量连续三档，取最大值钢筋弯起点位置20钢尺检查预埋件中心线位置5钢尺检查水平高差+3，0钢尺和塞尺检查八、质量管理与措施1、钢筋堆放：11根据实际进度计划提出合理的钢筋进场计划，尽可能做到进场钢筋及时绑扎安装，减少现场钢筋堆放量、生锈量和占用场地量。12由于本工程采用的级、级钢筋有同规格的，容易混乱，所以必须加强钢筋的标识管理。钢筋从原材进场堆放、加工后的成品钢筋堆放、施工现场钢筋堆放都必须按不同规格、比别分类堆放并识别，必要时施工现场设专人分类、发料。2、钢筋锚固：名称锚固长度末端弯
23、钩长度备 注d25d25基础梁 35d10d底板35d40d10d墙柱插筋直接插至板底下表面15d3、钢筋接头及搭接长度：31框架柱、梁及剪力墙纵向受力钢筋（直径大于20mm）采用机械连接，若机械连接确有困难且能保证焊接质量时，可采用焊接连接；承台、底板及侧壁的纵向受力钢筋可采用焊接；其它构件的纵向受力钢筋可采用绑扎搭接和焊接连接。纵向受力钢筋直径小于20mm的接头可采用焊接或搭接接头。32钢筋接头长度见下表且300mm，两根直径不不同的钢筋的搭接长度，以较细钢筋的直径计算。钢筋类型混凝土强度等级C15C20C25C3035C40光圆钢筋HPB23545d35d30d25d带肋钢筋HRB335
24、55d45d35d30dHRB40055d40d35d33接头的末端距钢筋弯折处15d，且不得位于构件的最大弯矩处和箍筋加密区。基础梁上筋接头位置：支座或支座两侧1/3范围；下筋接头位置：跨中1/3范围。34受力钢筋接头面积允许百分率见下表：序号接头形式接头面积允许百分率（%）受拉区受压区1搭接线头25502直螺纹接头50不受限制4、措施钢筋：41在底板施工中，为架立底板上层钢筋,设钢筋马凳，保证钢筋网片不被踩踏下陷。42楼板设置马蹄支撑。43梁纵向受力钢筋采用双层排列时，两排钢筋间距应大于25mm。44在底板绑筋完毕后，开始绑柱筋和墙筋时，为了保证底板上层筋不被踩踏变形，离底板上层钢筋150
25、mm高设置5m宽的临时路，上铺跳板（长4.5 mm，宽300mm，厚50mm），下部用25钢筋架立。九、成品保护：1、为防止浇筑砼时柱子钢筋移位，应在梁柱节点上部设置卡具，将柱子钢筋固定。2、浇筑混凝土时派钢筋工专门负责修理，保证钢筋位置的正确性。3、绑扎钢筋时禁止碰动预埋件及洞口模板。4、预埋铁、电线管、预留洞或其他设施时，不得任意切断和移动钢筋。十、安全文明施工1、进入施工现场必须戴好安全帽。2、机具操作应符合安全操作规程。3、作业时要戴好个人防护用品。4、切断机运转正常后方可断料，手与刀口距离不得少于15cm。5、切断时，操作配合好，运作一致，切短料时，不得用手垂直送料。6、塔吊操作人员
26、必须持证上岗，严禁违规操作。7、现场钢筋（包括原材、成品）按规格、类别摆放整齐并挂标识。8、现场焊接钢筋时，焊工必须按照安全操作规程要求戴好防护用具。9、严禁高空抛物。10、随时收集加工后的钢筋废料，并运至现场设立的临时储存场地。搬运钢筋要注意附近有无障碍物、架空电线和其他临时电气设备，防止钢筋在回转时碰撞电线或发生触电事故。to produce white smoke, so twice, cold. Cold solution moves into the 50mL or 100mL in the bottle, washed nitrogen bottle wash solution i
27、nto the volumetric flask, cool, such as water to the scale, and mix. Sizing 10mL 1g a solution of the specimen, sulfate 1mL. Get and digest the samples the same amount of nitric acid a mixture of perchlorate with sulfuric acid, by the same method of reagent blank. 12.1.2 vegetable, fruit, weighing 2
28、500g or 50.00g wash in a homogenate samples placed in a 250mL500mL nitrogen bottles, adding seed glass beads, 10mL15mL, nitric acid a mixture of perchlorate, according to 12.1.1 place for a moment . . action according to law, but a constant volume of solution after each 10mL 5G sample, sulfate . 12.
29、1.4 containing alcohol sex beverage or containing carbon dioxide beverage: draw 10.00mL or 20.00mL sample, placed 250mL500mL set nitrogen bottle in the, Addend grain glass beads, first with fire heating removed ethanol or carbon dioxide, again added 5mL1OmL nitric acid-perchlorate mixed liquid, mixe
30、d uniform Hou, following by 12.1.1 since placed moments. up law operation, but set capacity Hou of solution each 10mL equivalent to 2mL sample. 12.1.5 foods high in sugar content: weighing 5.00g or 10.0g specimens placed in the 250mL500mL nitrogen bottle, add a little water to wet, the augend seed g
31、lass beads, 5mL10mL, nitric-perchloric acid after mixing, shake well. Slowly add 5mL or 10mL sulfate, after treating the ease stops foaming, low heat, slowly heating (sugar easy charring), continue along the wall added nitric-perchloric acidand improve idle land of utilization, real achieved environ
32、ment improved and productivity development mutual promoting total win. Five, firmly implement, promoting work ahead, to create highlights. Third deployment, implementation of seven, then it is imperative to strengthen responsibility and improve the mechanisms and implementation. All localities and d
33、epartments must be convinced that goals, going all out, mustering spirit, work together to ensure that this years objectives carry out tasks, at the forefront. First, we must strengthen the leadership to implement. Departments at all levels should always work and rural five water treatment, three to
34、 split in an important position, and carry the main responsibility, main leader personally, leaders arrested and layers of responsibility rank transmission pressure established hierarchical accountability, and work together to promote the work of the mechanism, a concerted effort pay attention to im
35、plementation. County nongban, flood, three to one down to further play a leading catch total, integrated and coordinated role of all kinds is long, Sheriff Inspector to effectively fulfill their responsibilities, formed the alignment on the fire line and management a lively situation. Second, we mus
36、t strengthen the test implementation of the Governor. Role play the Governor got the baton, for agricultural and rural focus and five water treatment, three to split work, refine improve assessment methods and evaluation system, accurate assessment. Combined with dare play, tree benchmark style buil
37、ding five major operations, carry on and gain firsthand experience of supervision, in particular, to strengthen the focus on the long signs go left, names such as supervision, urged all levels longer on duty in place. Through the supervisory assessment, to promote habits, stimulating power. Third, w
38、e must strengthen implementation style. Departments at all levels to work in rural areas and five water treatment, three to split as training cadres for major platforms, compete against large examination room, inspection cadres work performance of the ring, water control and the Japanese pulled a wo
39、rkout, training, discovery and selection of cadres. Than good catch up, first to excellence-oriented. Party members and cadres at all levels must adhere to the rural, water control and the Japanese pulled a grass-roots, put down the shelf, leaned pragmatic style, the spirit of play, become a benchma
40、rk model. Four, we must strengthen propaganda implementation. Comprehensive utilization of micro-credit, micro-blogging, new media, mining, summarizing, good publicity work in the countryside and five water treatment, three to split advanced models, point to gather positive energy for the community to see the results of our work in time, increase public awareness, participation rates, satisfaction and support. Play gongqingfu, a mass organization and grass-roots such as schools, communityThe role of11
