支撑体系支锚刚度及材料抗力计算

钢管支撑支锚刚度计算,,,,,,,,,,,,,,

Kt=[（2×α×E×A）/L]×(Sa/S),,,,,,钢管截面特性,,,,,,,,

各项数值符号,数值符号说明,钢管直径(m),壁厚(m),数值,,外径,D,630,mm,,,0.63,m,Kt=[（2×α×E×A）/L]×(Sa/S)

Kt,支撑结构水平刚度系数;,,,42.80,,壁厚,t,10,mm,,,0.01,m,Kt:支撑结构水平刚度系数

α,与支撑松弛有关的系数，取0.8~1.0;,,,0.80,,计算长度,l,12000,mm,,,12,m,α:与支撑松弛有关的系数，取0.8~1.0

E,支撑构件材料的弹性模量(N/mm2);,,,206000.00,,钢材抗压强度设计值,fy,210,N/mm2,,,210000,kN/m2,E:支撑构件材料的弹性模量

A,支撑构件断面面积(m2);,0.63,0.01,0.0194779,,内径,d,610,mm,,,0.61,m,A:支撑构件断面面积

L,支撑构件的受压计算长度(m);,,,12.00,,截面面积,A,194.779,cm2,19477.9,mm2,0.0194779,m2,L:支撑构件的受压计算长度

S,支撑水平间距(m);,,,5.00,,截面抵抗矩,W,2971.92,cm3,2971920,mm3,0.00297192,m3,S:支撑水平间距

Sa,计算宽度(m);,,,0.40,,A3钢材弹性模量,E,206000,N/mm2,,,206000000,kN/m2,Sa:规程第4.2.1条确定的计算宽度(排桩水平荷载可取其中心距)

,,,,,,截面惯性矩,I,93615.533,cm4,936155330,mm4,0.000936155,m4,

钢管内撑材料抗力计算,,,,,,长细比,"λ=l/√(I/A)

",54.73667,按轴心压力设计的杆件不应大于150~200,,,,,在不考虑塑性设计前提下，柱的λ限值为150，如考虑塑性设计，柱的λ限值为130*sqrt（235/fy）

T=φ×ζ×A×fy,,,,,,与工程有关的调整系数,ξ,1,,,,1,,

各项数值符号,数值符号说明,钢管直径(m),壁厚(m),数值,,轴心受压构件稳定系数,φ,0.9,,,,0.9,,T=φ×ζ×A×fy

T,支撑结构材料抗力;,,,3681.32,,单位重量,,152.902,kg/m,,,152.902,kg/m,T:支撑结构材料抗力

φ,轴心受压构件稳定系数,,,0.90,,,,,,,,,,φ:轴心受压构件稳定系数

ζ,与工程有关的调整系数，取1,,,1.00,,,,,,,,,,ξ:与工程有关的调整系数，取1.0

A,支撑构件断面面积(m2);,0.63,0.01,0.0194779,,,,,,,,,,fy:钢材抗压强度设计值

fy,钢材抗压强度设计值，(kN/m2),,,210000.00,,,,,,,,,,

,,,,,,,,,,,,,,λ=L/√(I/A)=l/i

,,,,,,,,,,,,,,,

型钢支撑支锚刚度计算,,,,,,,,,,,,,,

Kt=[（2×α×E×A）/L]×(Sa/S),,,,,,H型钢截面特性,,,,,,,,

各项数值符号,数值符号说明,H(m),B(m),数值,,高度,H,400,mm,,,0.4,m,

Kt,支撑结构水平刚度系数;,,,30.04,,宽度,B,300,mm,,,0.3,m,腰厚10翼缘厚16

α,与支撑松弛有关的系数，取0.8~1.0;,,,0.80,,计算长度,l,12000,mm,,,12,m,10

E,支撑构件材料的弹性模量(N/mm2);,,,206000.00,,钢材抗压强度设计值,fy,210,N/mm2,,,210000,kN/m2,16

A,支撑构件断面面积(m2);,0.40,0.30,0.0136700,,倒角半径,r,24,mm,,,0.024,m,

L,支撑构件的受压计算长度(m);,,,12.00,,截面面积,A,136.7,cm2,13670,mm2,0.01367,m2,hd+2r(b-d)+0.8584(r2-r12)L*7.85*1/1000

S,支撑水平间距(m);,,,5.00,,截面抵抗矩,W,2000,cm3,2000000,mm3,0.002,m3,t1(H-2t2)+2Bt2+0.858r

Sa,计算宽度(m);,,,0.40,,A3钢材弹性模量,E,206000,N/mm2,,,206000000,kN/m2,

,,,,,,截面惯性矩,I,38900,cm4,389000000,mm4,0.000389,m4,

型钢内撑材料抗力计算,,,,,,长细比,"λ=l/√(I/A)

",71.13621,按轴心压力设计的杆件不应大于150~200,,,,,

T=φ×ζ×A×fy,,,,,,与工程有关的调整系数,ξ,1,,,,1,,

各项数值符号,数值符号说明,H(m),B(m),数值,,轴心受压构件稳定系数,φ,0.9,,,,0.9,,

T,支撑结构材料抗力;,,,2583.63,,单位重量,,107,kg/m,,,107,kg/m,

φ,轴心受压构件稳定系数,,,0.90,,,,,,,,,,

ζ,与工程有关的调整系数，取1,,,1.00,,,,,,,,,,

A,支撑构件断面面积(m2);,0.40,0.30,0.0136700,,,,,,,,,,

fy,钢材抗压强度设计值，(kN/m2),,,210000.00,,,,,,,,,,

,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,圆形断面:A=Πd2/4(1-α)2

矩形混凝土支撑支锚刚度计算,,,,,,,,,,,,,,

Kt=[（2×α×E×A）/L]×(Sa/S),,,,,,矩形混凝土截面特性,,,,,,,,

各项数值符号,数值符号说明,矩形高(m),矩形宽(m),数值,,矩形高,h,800,mm,,,0.8,m,

Kt,支撑结构水平刚度系数;,,,1570.91,,矩形宽,b,800,mm,,,0.8,m,

α,与支撑松弛有关的系数，取0.8~1.0;,,,0.90,,计算长度,l,22700,mm,,,22.7,m,

E,支撑构件材料的弹性模量(N/mm2);,,,30000.00,,砼抗压强度设计值,fc,14.3,N/mm2,,,14300,kN/m2,

A,支撑构件断面面积(m2);,0.80,0.80,0.640,,,,,,,,,,

L,支撑构件的受压计算长度(m);,,,22.00,,截面面积,A,6400,cm2,640000,mm2,0.64,m2,

S,支撑水平间距(m);,,,6.00,,截面抵抗矩,W,170666.6667,cm3,170666666.7,mm3,0.170666667,m3,b2(3h-b)/6

Sa,计算宽度(m);,,,6.00,,,,,,,,,,

,,,,,,截面惯性矩,I,3413333.333,cm4,34133333333,mm4,0.034133333,m4,Ix=ab3/12

矩形混凝土内撑材料抗力计算,,,,,,长细比,"λ=l/b

",28.37500,按轴心压力设计的杆件不应大于150~200,,,,,

T=φ×ζ×A×fy,,,,,,与工程有关的调整系数,ξ,1,,,,1,,

各项数值符号,数值符号说明,矩形高(m),矩形宽(m),数值,,轴心受压构件稳定系数,φ,28.375,,,,28.375,,

T,支撑结构材料抗力;,,,259688.00,,单位重量,,152.902,kg/m,,,152.902,kg/m,

φ,轴心受压构件稳定系数,,,28.38,,,,,,,,,,

ζ,与