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Historical shape

Historical shape

Historical shape

Does anybody know what does 6-H-24.1 stand for? I am checking capacity of an existing structure and came across this beam call-out which I could not find in the historical shapes excel sheet in AISC.


RE: Historical shape

Seems backward.....could this be a 24H6 joist? The date on the drawings might give you a clue. Also an achitectural cross section might give you a clue.

RE: Historical shape

Seems unlikely. The date on the drawings is 1928. The architectural section does not reveal anything (as usual). The building framing system is steel columns and beams and conrete pan joists for floor framing.

RE: Historical shape

If it is of that vintage, I am guessing that it may be calling out a propietary renforcing system for the concrete pan floor. I will check my references at home.

RE: Historical shape

I found this in the AISC Histroic Shapes Database. It's called an H3 but the weight matches. The H6's were either too heavy or too light.

Type: H
ID = 639
Designation = H3
W = 24.1
A = 7.01
D = 6
TW = 0.313
BF = 6
TF = 0.451
T = 4.268
K = 0.866
BF_2TF = 6.65
H_TW = 13.6
FY3P = -
X1 = 4974
X2 = 225
IX = 45.1
ZX = 17
SX = 15
RX = 2.54
IY = 14.7
ZY = 7.8
SY = 4.9
RY = 1.45
J = 0.5
CW = 113
a = 24.3
WNO = 8.32
SW = 5.63
QF = 3.56
QW = 8.52
FSTR = C 1921,C 1923,C 1926,

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