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how to calculate the hook length. Development Length in Tension With the proper bar to bar spacing and cover the common development length equations are. 12 is 1 inches 28 13 is 1 inch 38 14 is 1 inch 48 1 48 is actually 1 12 inches but dont enter quarters use only 8 ths etc.
As from the diagram pythagorean theorem H a 2b2 2. The hook is the extra length left at the 4th corner of a stirrup so that the stirrup retains its shape. The development lengths used for deformed bars or wires in tension may not be less than the values computed with ACI Equation 12-1 or 12 in.
Cutting Length of Triangular Stirrups.
3d 135 Bends from gook sides. Applying LHopitals rule times yields the hook length formula. Is code recommends Minimum hook length 75 mm. By putting the given values in the formula we get the length of the stirrup.