Buildings and structures
Beams: concrete, formwork, steel
Formulas
h_r = h − e_dalle
V = L × b × h_r
S = L × (b + 2 × h_r)
Assumptions
- Formwork measured on formed faces in contact with concrete (m²).
- Steel estimated by ratio: indicative only, does not replace the bar schedule.
Beams: concrete, formwork, steel
Fill in the inputs and run the calculation: results and every intermediate step will appear here.
These tools provide estimates and calculation aids. They are neither design calculations nor an engineering approval: any design or safety decision must be checked by a qualified professional against the applicable standards.