Evonik Marco Polo一体化异氟尔酮及多用户基地冷却塔项目Support scaffold calculation脚手架计算书Composer编制：Inspection审核：Approval批准：Zhongshi Chemical Engineering Construction Co.,Ltd.Evonik Degussa Special Chemical (Shanghai)中石化工建设有限公司嬴创德固赛（上海）项目Year 2012, Month NOV.2012年11月Support scaffold calculation支撑脚手架计算书Steel pipe scaffold calculation refer to the Construction Fastener Type Steel Pipe Scaffold Safety Technical Specifications (JGJ130-2011), the Code for Design of Building Foundation(GB 50007-2002), the Building Structure Load Standard (GB 50009-2001),the Steel Structure Design Standard (GB 50017-2003), and other norms.钢管脚手架的计算参照《建筑施工扣件式钢管脚手架安全技术规范》(JGJ130-2011)、《建筑地基基础设计规范》(GB 50007-2002)、《建筑结构荷载规范》(GB 50009-2001)、《钢结构设计规范》(GB 50017-2003)等规范。
1、Structure requirements构造要求（1）Poling: vertical and horizontal spacing 1.2×1.2 m, allowing the build-up deviation ± 5 cm, poling vertical degree allow build-up deviation ± 10 cm. The bottom shall set sweeping bar, from plate up to 20 cm, adopt butt extension. Extension length of sweeping bar in the end and polingjunctionover fastener less than or equal to20cm.立杆：纵横向立杆间距1.2×1.2m，允许搭设偏差±5cm,立杆垂直度允许搭设偏差±10 cm。
下部设扫地杆，扫地杆从垫板往上20 cm处设置，扫地杆采用对接接长。
扫地杆在端头与立杆交接处伸出扣件长度不大于20cm。
（2）Rail: set a full bidirectional horizontal bar between poling, vertical and horizontal tie beam step distance of 1.5 m, ensure it has enough design stiffness in two direction, rail with butt method extension, the elevation difference of a piece of rail on both ends not more than 2 cm, the planeness of longitudinal bar not less than ± 1 cm. To prevent level rail produce eccentric bend distance influence to poling rod, in the build-up formwork support, will rail symmetry and arrangement. Refer map below.横杆：立杆之间满设双向水平杆，纵横向水平拉杆步距1.2m，确保其在两个方向都具有足够的设计刚度，横杆用对接方法接长，一根横杆两端的高差，不能超过2 cm，纵向水平杆全长平整度不小于±1cm。
为防止水平横杆对立杆产生偏心弯距的影响，在搭设模板支架时，将横杆对称相间布置。
（3）Bracing: around the support set shear brace full, and should set up continuously.剪刀撑：沿支架四周外满设剪力撑，且应连续设置。
（4）Joint node requirements: longitudinal bar butt joint should be staggered arrangement, shouldnot set in sync and with same span, horizontal distance of adjacent joint should not be less than 500 cm, and should avoid in the middle of span in longitudinal level pole.接头节点要求：纵向水平杆对接接头应交错布置，不应设在同步、同跨内，相邻接头水平距离不应小于500cm，并应避免设在纵向水平杆的跨中。
（5）Beam and slab formwork support layout requirements梁板模板支架的搭设要求a. Build up strictly according to the size of design requirements, the joint of poling and horizontal bar should be staggered in different frame structure in setting严格按照设计尺寸要求搭设，立杆和水平杆的接头应错开在不同的框格中设置；b. Ensure poling vertical degree and rail level deviation conform to the Fastener Frame StandardRegulation确保立杆的垂直度和横杆的水平偏差符合《扣件架规范》的规定；c. Try to connect diagonal with poling, node structure should conform to the rules and regulations 斜杆尽量同立杆连接，节点构造符合规范规定；d. To ensure that tightening torque of every fastener control in 45—60N.M确保每个扣件的拧紧力矩控制在45—60N.M；e. setting and bearing capacity the scaffold supporting on the floor shall meet the design requirements.楼板上脚手架支座的设置和承载力均应达到设计要求。
（6）Requirement of field operation施工作业要求a. Shelf working personnel must hold certificate, wearing a helmet, and fasten a safe belt上架作业人员必须持证上岗，戴安全帽，系安全带。
b. During pouring concrete, ensure that template support equilibrium load, adopt casting manner from the central expand to both sides.混凝土浇注过程中，要确保模板支架均衡受荷，宜从中部开始向两边扩展浇注方式进行。
c. Strictly control construction load, in concrete pouring process, specially-assigned person will check the support and its supporting situation, if subsidence, loose and deformation found, solve timely.严格控制施工荷载，在混凝土浇注过程中，派专人检查支架及其支撑情况，发现下沉、松动和变形时，及时解决。
2、Fastener steel pipe floor formwork support calculation扣件钢管楼板模板支架计算书Template support build-up height is4.05m模板支架搭设高度为4.05米。
Erection size: longitudinal distance of poling b = 1.50 meters, poling horizontal distance l = 1.50meters, poling step distance h = 1.20 m.搭设尺寸为：立杆的纵距 b=1.20米，立杆的横距 l=1.20米，立杆的步距 h=1.20米。
图楼板支撑架立面简图采用的钢管类型为φ48×3.0。
（1）Calculation of formwork模板面板计算Flexural structure for panel, need to check its bending strength and stiffness. Calculation of template panel according to three span continuous beam.面板为受弯结构,需要验算其抗弯强度和刚度。
模板面板的按照三跨连续梁计算。
静荷载标准值q1 = 25.000×0.25×1.000+0.350×1.000=6.600kN/m活荷载标准值q2 = (2.000+1.000)×1.000=3.000kN/m面板的截面惯性矩I和截面抵抗矩W分别为:本算例中，截面惯性矩I和截面抵抗矩W分别为：W = 100.00×1.80×1.80/6 = 54.00cm3；I = 100.00×1.80×1.80×1.80/12 = 48.60cm4；A、抗弯强度计算f = M / W < [f]其中 f ——面板的抗弯强度计算值(N/mm2)；M ——面板的最大弯距(N.mm)；W ——面板的净截面抵抗矩；[f] ——面板的抗弯强度设计值，取15.00N/mm2；M = 0.100ql2其中 q ——荷载设计值(kN/m)；经计算得到 M = 0.100×(1.2×6.650+1.4×3.000)×0.600×0.600=0.303kN.m经计算得到面板抗弯强度计算值 f = 0.206×1000×1000/54000=5.611N/mm2面板的抗弯强度验算 f < [f],满足要求!B、抗剪计算T = 3Q/2bh < [T]其中最大剪力 Q=0.600×(1.2×6.60+1.4×3.000)×0.600=3.636kN截面抗剪强度计算值 T=3×3636.0/(2×1000.000×18.000)=0.303N/mm2截面抗剪强度设计值 [T]=1.40N/mm2抗剪强度验算 T < [T]，满足要求!C、挠度计算v = 0.677ql4 / 100EI < [v] = l / 250面板最大挠度计算值 v = 0.677×6.650×5004/(100×6000×486000)=0.958mm面板的最大挠度小于500.0/250,满足要求!（2）支撑木方的计算木方按照均布荷载下三跨连续梁计算。