盘扣式脚手架计算书-2026版

盘扣式脚手架设计计算,,,,,,

序号,计算项目,符号表示,参数来源,计算公式,国际单位,计算结果

一、设计依据与基本参数,,,,,,

1,建筑结构荷载规范,GB50009-2012,选用值,国家标准,-,有效

2,建筑施工承插型盘扣式钢管支架安全技术规程,JGJ/T231-2021,选用值,行业标准,-,有效

3,钢结构设计标准,GB50017-2017,选用值,国家标准,-,有效

4,混凝土结构设计规范,GB50010-2010(2015版),选用值,国家标准,-,有效

5,建筑地基基础设计规范,GB50007-2011,选用值,国家标准,-,有效

二、材料力学性能参数,,,,,,

6,Q345钢管抗拉强度设计值,f,查表值,300,N/mm²,300

7,Q345钢管抗压强度设计值,fc,查表值,300,N/mm²,300

8,Q345钢管抗弯强度设计值,fm,查表值,300,N/mm²,300

9,Q345钢管弹性模量,E,查表值,206000,N/mm²,206000

10,Q345钢管泊松比,ν,查表值,0.3,-,0.3

11,立杆截面面积,A,计算值,π×(D²-d²)/4,mm²,1017.87602

12,立杆惯性矩,I,计算值,π×(D⁴-d⁴)/64,mm⁴,375596.2513

13,立杆回转半径,i,计算值,√(I/A),mm,19.20937271

14,立杆截面模量,W,计算值,π×(D⁴-d⁴)/(32×D),mm³,12519.87504

15,水平杆截面面积,Ah,计算值,π×(Dh²-dh²)/4,mm²,424.1150082

三、荷载标准值计算,,,,,,

16,永久荷载-模板及支架自重,G1k,查表值,0.75,kN/m²,0.75

17,永久荷载-新浇混凝土自重,G2k,设计值,24×h,kN/m²,2.88

18,永久荷载-钢筋自重,G3k,设计值,1.1×h,kN/m²,0.132

19,可变荷载-施工人员及设备荷载,Q1k,查表值,2.5,kN/m²,2.5

20,可变荷载-振捣混凝土荷载,Q2k,查表值,2.0,kN/m²,2.0

21,可变荷载-倾倒混凝土荷载,Q3k,查表值,4.0,kN/m²,4.0

22,风荷载标准值,ωk,计算值,βz×μs×μz×ω0,kN/m²,0.4095

23,荷载组合-承载能力极限状态,S,计算值,1.3×(G1k+G2k+G3k)+1.5×Q1k,kN/m²,8.6406

24,荷载组合-正常使用极限状态,Sd,计算值,G1k+G2k+G3k+Q1k,kN/m²,6.262

四、立杆稳定性验算,,,,,,

25,立杆计算长度,l0,计算值,k×η×h,mm,2079

26,立杆长细比,λ,计算值,l0/i,-,130.754717

27,轴心受压稳定系数,φ,查表值,查表确定,-,#NAME?

28,立杆轴向力设计值,N,计算值,1.3×NGk+1.5×NQk,kN,27

29,立杆稳定性验算,σ,计算值,N/(φ×A),N/mm²,51.8082497

30,稳定性判定,Result,判断值,"IF(σ≤f,""满足"",""不满足"")",-,满足

31,立杆允许承载力,[N],计算值,φ×A×f,kN,156.3457566

32,承载力安全系数,K,计算值,[N]/N,-,5.790583579

五、水平杆抗弯及挠度验算,,,,,,

33,水平杆计算跨度,l,设计值,la,mm,1500

34,均布荷载设计值,q,计算值,1.3×Gk+1.5×Qk,kN/m,12.9609

35,最大弯矩设计值,Mmax,计算值,q×l²/10,kN·m,2.9162025

36,抗弯强度验算,σm,计算值,Mmax/W,N/mm²,649.05921

37,抗弯强度判定,Result_m,判断值,"IF(σm≤fm,""满足"",""不满足"")",-,不满足

38,最大挠度标准值,vmax,计算值,0.677×qk×l⁴/(100×E×I),mm,14.49259661

39,允许挠度,[v],查表值,l/150,mm,10

40,挠度判定,Result_v,判断值,"IF(vmax≤[v],""满足"",""不满足"")",-,不满足

六、连接盘及插销抗剪验算,,,,,,

41,单个插销抗剪承载力设计值,Nvb,查表值,nv×π×d²/4×fvb,kN,43.10265121

42,水平杆传递剪力,V,计算值,q×l/2,kN,9.720675

43,插销抗剪验算,Result_vb,判断值,"IF(V≤Nvb,""满足"",""不满足"")",-,满足

44,连接盘抗冲切承载力,Fl,计算值,0.7×βh×ft×um×h0,kN,216.392902

45,冲切验算,Result_fl,判断值,"IF(V≤Fl,""满足"",""不满足"")",-,满足

七、地基承载力及底座验算,,,,,,

46,立杆传至基础顶面轴向力,Nf,计算值,1.3×NGk+1.5×NQk,kN,27

47,基础底面积,A0,设计值,a×b,m²,0.0625

48,地基承载力特征值,fa,实测值,fak+ηb×γ×(b-3)+ηd×γm×(d-0.5),kPa,150

49,基底压力标准值,pk,计算值,Nk/A0,kPa,320

50,地基承载力验算,Result_f,判断值,"IF(pk≤fa,""满足"",""不满足"")",-,不满足

51,底座抗压强度验算,σb,计算值,N/A0,N/mm²,0.432

52,底座强度判定,Result_b,判断值,"IF(σb≤f,""满足"",""不满足"")",-,满足

八、风荷载作用下整体稳定性验算,,,,,,

53,风荷载体型系数,μs,查表值,1.3,-,1.3

54,风压高度变化系数,μz,查表值,1.0,-,1.0

55,风振系数,βz,查表值,0.7,-,0.7

56,单位面积风荷载标准值,ωk,计算值,βz×μs×μz×ω0,kN/m²,0.4095

57,立杆由风荷载产生的弯矩,Mw,计算值,0.85×1.4×ωk×la×h²/10,kN·m,0.164465437

58,风荷载组合下立杆应力,σw,计算值,N/(φ×A)+Mw/W,N/mm²,64.94459787

59,风荷载组合稳定性判定,Result_w,判断值,"IF(σw≤f,""满足"",""不满足"")",-,满足

九、构造措施及要求检查,,,,,,

60,立杆步距,h,设计值,≤2000,mm,1500

61,立杆纵距,la,设计值,≤2400,mm,1500

62,立杆横距,lb,设计值,≤1500,mm,1500

63,扫地杆高度,a,设计值,≤550,mm,500

64,顶层步距减小值,Δh,设计值,≥0,mm,300

65,竖向斜杆布置,Brace_v,设计值,满布或间隔,-,满布

66,水平斜杆布置,Brace_h,设计值,每层设置,-,每层

67,连墙件设置,Wall_tie,设计值,2步3跨,-,符合要求

68,可调托撑伸出长度,Lext,设计值,≤300,mm,250

69,可调底座调节范围,Hadj,设计值,≤300,mm,200

十、计算结论及安全建议,,,,,,

70,立杆稳定性结论,-,判断值,综合评定,-,#NAME?

71,安全等级评定,-,判断值,综合评定,-,合格

72,施工建议-材料检验,-,其他,进场验收,-,必须执行

73,施工建议-过程监控,-,其他,实时监测,-,必须执行

74,施工建议-荷载控制,-,其他,严格限制,-,必须执行

75,施工建议-拆除顺序,-,其他,自上而下,-,必须执行

76,应急预案要求,-,其他,必须编制,-,必须执行

十一、模板面板抗弯及挠度验算,,,,,,

77,面板计算跨度,lp,设计值,次楞间距,mm,300

78,面板线荷载设计值,qp,计算值,1.3×Gk+1.5×Qk,N/mm,8640.6

79,面板最大弯矩,Mp,计算值,0.1×qp×lp²,N·mm,77765400

80,面板截面抵抗矩,Wp,计算值,b×h²/6,mm³,37500

81,面板抗弯强度,σp,计算值,Mp/Wp,N/mm²,2073.744

82,面板抗弯判定,Result_p,判断值,"IF(σp≤15,""满足"",""不满足"")",-,不满足

83,面板最大挠度,vp,计算值,0.677×qpk×lp⁴/(100×E×I),mm,203.489952

84,面板允许挠度,[vp],查表值,lp/250,mm,1.2

85,面板挠度判定,Result_vp,判断值,"IF(vp≤[vp],""满足"",""不满足"")",-,不满足

十二、次楞（木方）抗弯及挠度验算,,,,,,

86,次楞计算跨度,ls,设计值,主楞间距,mm,1500

87,次楞截面尺寸,b×h,设计值,50×100,mm,50×100

88,次楞线荷载设计值,qs,计算值,(1.3×Gk+1.5×Qk)×次楞间距,N/mm,2592.18

89,次楞最大弯矩,Ms,计算值,0.1×qs×ls²,N·mm,583240500

90,次楞截面抵抗矩,Ws,计算值,b×h²/6,mm³,83333.33333

91,次楞抗弯强度,σs,计算值,Ms/Ws,N/mm²,6998.886

92,次楞抗弯判定,Result_s,判断值,"IF(σs≤13,""满足"",""不满足"")",-,不满足

93,次楞惯性矩,Is,计算值,b×h³/12,mm⁴,4166666.667

94,次楞最大挠度,vs,计算值,0.677×qsk×ls⁴/(100×E×Is),mm,1716.94647

95,次楞允许挠度,[vs],查表值,ls/250,mm,6

96,次楞挠度判定,Result_vs,判断值,"IF(vs≤[vs],""满足"",""不满足"")",-,不满足

十三、主楞（钢管）抗弯及挠度验算,,,,,,

97,主楞计算跨度,lm,设计值,立杆横距,mm,1500

98,主楞集中荷载设计值,Pm,计算值,(1.3×Gk+1.5×Qk)×次楞间距×主楞间距,kN,3.88827

99,主楞最大弯矩,Mm,计算值,0.2×Pm×lm,kN·m,1.166481

100,主楞截面模量,Wm,计算值,π×(D⁴-d⁴)/(32×D),mm³,4492.968368

101,主楞抗弯强度,σm2,计算值,Mm/(2×Wm),N/mm²,129.811842

102,主楞抗弯判定,Result_m2,判断值,"IF(σm2≤300,""满足"",""不满足"")",-,满足

103,主楞惯性矩,Im,计算值,π×(D⁴-d⁴)/64,mm⁴,107831.2408

104,主楞最大挠度,vm,计算值,1.146×Pk×lm³/(100×E×2×Im),mm,2.453251952

105,主楞允许挠度,[vm],查表值,lm/250,mm,6

106,主楞挠度判定,Result_vm,判断值,"IF(vm≤[vm],""满足"",""不满足"")",-,满足

十四、可调托撑承载力验算,,,,,,

107,可调托撑轴向力设计值,Nt,计算值,1.3×NGk+1.5×NQk,kN,27

108,可调托撑承载力设计值,[Nt],查表值,40,kN,40

109,托撑承载力验算,Result_t,判断值,"IF(Nt≤[Nt],""满足"",""不满足"")",-,满足

110,托撑螺杆抗压强度,σt,计算值,Nt/(π×d²/4),N/mm²,23.8071106

111,螺杆强度判定,Result_st,判断值,"IF(σt≤205,""满足"",""不满足"")",-,满足

112,托撑底板局部承压,σc,计算值,Nt/Aplate,N/mm²,2.7

113,底板承压判定,Result_c,判断值,"IF(σc≤205,""满足"",""不满足"")",-,满足

十五、高支模（高度≥8m）专项验算,,,,,,

114,支架搭设高度,H,设计值,实际高度,m,10

115,高宽比限值,H/B,查表