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AISC Manual Label |
HSS3X3X1/4 |
| W |
W – Nominal weight, (kg/m) |
8.81 |
| A |
A – Cross-sectional area,(mm2) |
2.44 |
| d |
d – Overall depth of member, (mm) |
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| ddet |
ddet – Detailing value of member depth,(mm) |
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| Ht |
Ht – Overall depth of square or rectangular HSS, (mm) |
3 |
| h |
h – Depth of the flat wall of square or rectangular HSS,(mm) |
2.3 |
| OD |
OD – Outside diameter of round HSS or pipe, in. (mm) |
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| bf |
bf – Flange width, in. (mm) |
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| bfdet |
bfdet – Detailing value of flange width, in. (mm) |
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| B |
B – Overall width of square or rectangular HSS, in. (mm) |
3 |
| b |
b – Width , in. (mm) |
2.3 |
| ID |
ID – Inside diameter of round HSS or pipe, in. (mm) |
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| tw |
tw – Web thickness, in. (mm) |
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| twdet |
twdet – Detailing value of web thickness, in. (mm) |
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| twdet/2 |
twdet/2 – Detailing value of tw/2, in. (mm) |
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| tf |
tf – Flange thickness, in. (mm) |
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| tfdet |
tfdet – Detailing value of flange thickness, in. (mm) |
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| t |
t – Thickness of angle leg, in. (mm) |
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| tnom |
tnom – HSS and pipe nominal wall thickness, (mm) |
0.25 |
| tdes |
tdes – HSS and pipe design wall thickness, (mm) |
0.233 |
| kdes |
kdes – Design distance from outer face of flange to web toe of fillet, (mm) |
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| kdet |
kdet – Detailing distance from outer face of flange to web toe of fillet, (mm) |
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| k1 |
k1 – Detailing distance from center of web to flange toe of fillet, (mm) |
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| x |
x – Horizontal distance from designated member edge, (mm) |
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| y |
y – Vertical distance from designated member edge, (mm) |
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| eo |
eo – Horizontal distance from designated member edge, (mm) |
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| xp |
xp – Horizontal distance from designated member edge, (mm) |
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| yp |
yp – Vertical distance from designated member edge, (mm) |
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| bf/2tf |
bf/2tf – Slenderness ratio |
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| b/t |
b/t – Slenderness ratio for single angles |
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| b/tdes |
b/tdes – Slenderness ratio for square or rectangular HSS |
9.87 |
| h/tw |
h/tw – Slenderness ratio |
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| h/tdes |
h/tdes – Slenderness ratio for square or reHangular HSS |
9.87 |
| D/t |
D/t – Slenderness ratio for round HSS and pipe, or tee shapes |
|
| Ix / 106 |
Ix – Moment of inertia about the x-axis, (mm4 /10^6) |
3.02 |
| Zx / 103 |
Zx – Pltic section modulus about the x-axis, (mm3 /10^3) |
2.48 |
| Sx / 103 |
Sx – Eltic section modulus about the x-axis, (mm3 /10^3) |
2.01 |
| rx |
rx – Radius of gyration about the x-axis, (mm) |
1.11 |
| Iy / 106 |
Iy – Moment of inertia about the y-axis, (mm4 /10^6) |
3.02 |
| Zy / 103 |
Zy – Pltic section modulus about the y-axis, (mm3 /10^3) |
2.48 |
| Sy / 103 |
Sy – Eltic section modulus about the y-axis, (mm3 /10^3) |
22.01 |
| ry |
ry – Radius of gyration about the y-axis (with no separation for double angles back-to-back), (mm) |
1.11 |
| Iz / 106 |
Iz – Moment of inertia about the z-axis, (mm3 /10^6) |
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| rz |
rz – Radius of gyration about the z-axis, (mm) |
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| Sz / 103 |
Sz – Eltic section modulus about the z-axis, (mm3 /10^3) |
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| J / 103 |
J – Torsional moment of inertia, (mm4 /10^3) |
5.08 |
| Cw / 109 |
Cw – Warping constant, (mm6 /10^9) |
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| C / 103 |
C – HSS torsional constant, (mm3 /10^3) |
3.52 |
| Wno |
Wno – Normalized warping function, used in Design Guide 9, (mm2) |
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| Sw1 / 106 |
Sw1 – Warping statical moment at point 1 on cross section, (mm4 /10^6) |
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| Sw2 / 106 |
Sw2 – Warping statical moment at point 2 on cross section, (mm4 /10^6) |
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| Sw3 / 106 |
Sw3 – Warping statical moment at point 3 on cross section, (mm4 /10^6) |
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| Qf / 103 |
Qf – Statical moment for a point in the flange directly above the vertical edge of the web, (mm3 /10^3) |
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| Qw / 103 |
Qw – Statical moment for a point at mid-depth of the cross section, (mm3 /10^3) |
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| ro |
ro – Polar radius of gyration about the shear center, (mm) |
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| H |
H – Flexural constant |
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| tan(?) |
tan(a) – Tangent of the angle between the y-y and z-z axes for single angles |
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| Qs |
Qs – Reduction factor for slender unstiffened compression elements |
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| Iw / 106 |
Iw – Moment of inertia about the w-axis, (mm4 /10^6) |
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| zA |
zA – Distance from point A to center of gravity along z-axis, |
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| zB |
zB – Distance from point B to center of gravity along z-axis, |
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| zC |
zC – Distance from point C to center of gravity along z-axis, |
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| wA |
wA – Distance from point A to center of gravity along w-axis, |
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| wB |
wB – Distance from point B to center of gravity along w-axis, |
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| wC |
wC – Distance from point C to center of gravity along w-axis, |
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| SwA / 103 |
SwA – Eltic section modulus about the w-axis at point A on cross section, |
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| SwB / 103 |
SwB – Eltic section modulus about the w-axis at point B on cross section, |
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| SwC / 103 |
SwC – Eltic section modulus about the w-axis at point C on cross section, |
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| SzA / 103 |
SzA – Eltic section modulus about the z-axis at point A on cross section, |
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| SzB / 103 |
SzB – Eltic section modulus about the z-axis at point B on cross section, |
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| SzC / 103 |
SzC – Eltic section modulus about the z-axis at point C on cross section, |
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| rts |
rts – Effective radius of gyration, (mm) |
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| ho |
ho – Distance between the flange centroids, (mm) |
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| PA |
PA – Shape perimeter minus one flange surface, used in Design Guide 19, (mm) |
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| PB |
PB – Shape perimeter, used in Design Guide 19, (mm) |
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