For the entire base of the foundation to remain in contact with the ground (no lifting/tilting), the eccentricity must be less than $B/6$. $$B/6 = 18 / 6 = 3.0 \text ft$$
Moment at column face per meter width = 174 × 3.0²/2 = 783 kNm/m tower crane foundation design calculation example link
If you are a stickler for punctuality, India will humble you. There is a running joke about "Indian Stretchable Time" (IST). Invited to a party at 8 PM? The host will likely start prepping at 8 PM; guests arrive at 9 PM. For the entire base of the foundation to
The above is simplified. In real projects, you must also check: Invited to a party at 8 PM
Calculate the amount of steel rebar required to resist bending moments and shear forces within the concrete itself. Calculation Formulas to Know
Brands like Liebherr , Potain , and Terex often include a "Foundation" section in their technical manuals that provides the specific reaction forces needed for your calculations. Safety and Compliance