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where the load goes
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Ladders — page 10
A field says what an essay is about. A ladder says what else there is to say about it — the distinct arguments that stand against one idea, from the one that introduces it to the one that assumes all the others.
100 kN
peak 0.88
Two points at maximum radius
the radius rule finds the peak here
equal radius, stresses differ ×1
Weld group
1
The corner that is not the worst point
1 rung · connections
0
10
20
30
40
50
60
70
80
90
0
20
40
60
80
100
120
140
160
angle between the weld and the load, degrees
capacity, kN
0° · 116.83 kN
45° · 127.98 kN
90° · 143.09 kN
×1.22
along
Weld strength
1
The weld that is stronger across than along
1 rung · connections
-1
-0.5
0.5
1
-1
-0.5
0.5
1
σ₁ ÷ f_y
σ₂ ÷ f_y
von Mises
Tresca
pure shear
the widest gap is 2/√3 = 1.1547, at pure shear
Yield criterion
1
The shear strength nobody measured
1 rung · materials
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