Project: Prepared by: Checked by: Description: Location: DIRECT ANALYSIS METHOD Note: Change Cells in Yellow Only I
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Project:
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DIRECT ANALYSIS METHOD Note: Change Cells in Yellow Only Input: E = 200000 MPa Ix = 113214948 mm4 Iy = 38876015 mm4 Fy = 345 MPa number of columns 2 M1(x) = -25.083 kN-m M2(x) = 50.311 kN-m Mnt(x) = 50.311 kN-m M1(y) = -25.083 kN-m M2(y) = 50.311 kN-m Mnt(y) = 50.311 kN-m Pnt = 1275.6 kN Mlt(x) = 13.841 kN-m Mlt(y) = 13.841 kN-m Plt(x) = 10.743 kN Plt(y) = 10.743 kN Pstory = 2551.2 kN Hx = 15.102 kN Hy = 15.102 kN L = 4.268 m ΔHx = 0.00386 m ΔHy = 0.00386 m Pmf = 2551.2 kN KLx = 4.268 m KLy = 4.268 m
W10X49
(non-sway) (non-sway) (non-sway) (non-sway) (non-sway) (non-sway) (non-sway) (sway) major axis (sway) minor axis (sway) major axis (sway) minor axis total load at story story shear (x) story shear (y) height of story drift (x) drift (y) total load carried by moment frames
Cmx Cmy
= =
0.401 0.401
B2(x) B2(y)
= =
1.219 �_2=1/(1−(𝛼𝑃_𝑠𝑡𝑜𝑟𝑦)/𝑃_(𝑒 𝑠𝑡𝑜𝑟𝑦) )≥1.0 1.609
Pe1(x) Pe1(y)
= =
9814.647 kN 3370.177 kN
𝐶_𝑚=0.6−0.4(�_1/�_2 )
𝑃_𝑒1=(𝜋^2 〖𝐸𝐼〗 ^∗)/(𝐾𝐿)^2
�_1=𝐶_𝑚/(1−(𝛼𝑃_𝑟)/𝑃_𝑒1 )≥1.0
�_1=𝐶_𝑚/(1−(𝛼𝑃_𝑟)/𝑃_𝑒1 )≥1.0
B1(x) B1(y)
= =
1.000 1.000
Pr
=
1305.98 kN
Mrx
=
67.185 kN-m
Mry
=
72.581 kN-m
Pc
=
2094.37 kN
Mcx
=
282.198 kN-m
Mcy
=
143.996 kN-m
𝑃_𝑟/𝑃_𝑐 𝑃_𝑟/𝑃_𝑐
≥
+
𝑃_𝑟=𝑃_𝑛𝑡+�_2 𝑃_𝑙𝑡
�_𝑟=�_1 �_𝑛𝑡+�_2 �_𝑙𝑡
0.2 (�_��/�_�� +�_�𝑦/�_�𝑦 ) 8 9 1.283
Section is inadequate
≤
1.0
>
1.0
Description:
Date:
moment frames
𝑃_(𝑒 𝑠𝑡𝑜𝑟𝑦) )≥1.0
∗)/(𝐾𝐿)^2
)/𝑃_𝑒1 )≥1.0
M1
M2
𝑃_(𝑒 𝑠𝑡𝑜𝑟𝑦)=𝑅_� 𝐻𝐿/∆_𝐻
)/𝑃_𝑒1 )≥1.0
+�_2 �_𝑙𝑡
Project:
R.R. Rojo and Associates Prepared by: Checked by:
Description:
Location:
AISC LRFD DESIGN OF COMPRESSION MEMBER WITH AND WITHOUT SLENDER ELEME (W, S, M, HP Shapes Only) Note: Change Cells in Yellow Only PDL = PLL = PU = 1.20PDL + 1.60PLL PU = Select Section for Design W10X49
143 kN 143 kN 400.4 kN
Overall Conclusion:
The Designed Column Is Okay! unsupported length at x axis (meters) 4.268 m unsupported length at y axis (meters) 4.268 m End Restraints Condition Description Fixed at both ends 1
Fixed at one end, free at the other
2 3
Pinned at both Ends Fixed at one end, Pinned at
the other end 4 Enter End Restraints Condition for x-axis
Enter End Restraints Condition for y-axis
3 3
Efective length factor for x axis, Kx 1 Efective length factor for y axis, Ky 1 Properties : Fy = E= A= bf = tf = d= tw = h=
345 Mpa 200000 Mpa 9290.304 mm^2 254 mm 14.224 mm 254 mm 8.636 mm 200.152 mm
k(des) = bf/(2tf) = h/tw = Sx = Zx = rx = ry = rts = Cw = Iy = ho = J=
26.924 mm 8.93 23.1 894733.6944 mm^3 989778.6656 mm^3 110.49 mm 64.516 mm 72.136 mm 555869243737.999 mm^4 38876015.15104 mm^4 239.776 mm 578561.681584 mm^4
Slenderness Ratio Slenderness Ratio about x-axis KxLx/rx KyLy/ry Use Slenderness Ratio (KL/r)max
38.6279301294 66.1541323083
66.1541323083
Type of Flexural Buckling (KL/r)max 66.154132 Therefore,
VS.
λ_r √(Fy/Fcr)
Used h: he
mm
Used Area: A Ag
= =
Nominal Axial Capacity: Pn = Pn = ØPn = ØPn = Pu 400.400
vs
0 50 100 150 200 250 300 350 400 450
100
LOCAL BUCKLING: λp
λ
λf
8.93
λpf
9.15
λrf
24.08
λw
23.1
λpw
90.53
λrw
137.24
Flange is compact Web is compact
Therefore, section is compact
Mn for Local Buckling: Mn
341.47 kN-m
LATERAL TORSIONAL BUCKLING:
Mn
λr
Lb
Lp
Lr
4268
2733.92
9623.90
313.554 kN-m
R.R. Rojo and Associates Prepared by:
Checked by:
Project:
Description:
Location:
Date:
AISC LRFD BEAM FLEXURAL DESIGN
Select Section W10X49 Unbraced Length, Lb
4268 mm
Properties: E bf tf d tw k(des) k1 c bf/(2tf) h/tw Sy Zy ry Cw Iy ho J
200000 MPa 254 mm 14.224 mm 254 mm 8.636 mm 26.924 mm 20.6375 mm 1 8.93 23.1 306438.0968 mm^3 463753.9112 mm^3 64.516 mm
Fy
345 MPa 1200 1100 1000 900 800 700 600 500 400 300 200 100 0
0 50 100 150 200 250 300 350 400 450
555869243738 mm^4 38876015.151 mm^4 239.776 mm 578561.68158 mm^4
Moment Capacity of the section Section is adequate
144.00
>
100
LOCAL BUCKLING: λp
λ
λf
8.93
λpf
9.15
λrf
24.08
λw
23.1
λpw
90.53
λrw
137.24
Flange is compact Web is compact
Therefore, section is compact
Mn for Local Buckling: Mn
not applicable kN-m
Yielding
Mn
λr
159.995 kN-m