- Covers generalities, reference codes, and material properties. CIRIA C761 Guide
thick footing, 25mm diameter bars at 200mm spacing (each way, top and bottom) is a common requirement. Punching Shear: tower crane foundation design calculation example link
| Parameter | Value | Source | |-----------|-------|--------| | Crane model | Potain MD 235 | Manufacturer datasheet | | Max vertical load (unfactored) | 850 kN | Crane manual | | Max overturning moment (unfactored) | 3,200 kNm | Crane manual | | Horizontal shear (unfactored) | 180 kN | Crane manual | | Concrete grade | C30/37 (fck = 30 MPa) | Structural spec | | Steel reinforcement | B500B (fy = 500 MPa) | Structural spec | | Allowable soil bearing pressure | 150 kN/m² | Geotech report | | Soil type | Dense sand, φ = 35° | Geotech report | | Safety factor (bearing) | 2.5 (serviceability) | Local code | Bookmark this article and share it with your
Project parameters (assumed example)
To illustrate the design calculation process, let's consider a typical tower crane with the following specifications: - Covers generalities
Do you have a specific crane model or soil condition? Bookmark this article and share it with your temporary works coordinator. If you found this example useful, leave a comment below requesting a part 2 covering pile-supported tower crane foundations for weak soils.