Structural Analysis
If the specified thickness of a footing is 100 cm, the depth of the form work may be tolerated from

-2 mm to +2 mm
-4 mm to +4 mm
-3 mm to +3 mm
-5 mm to +5 mm

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Structural Analysis
Pick up the correct statement for the web stiffeners.

For horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange
All of these
d is the distance between flange angles or the clear distance between flanges
Vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d

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