monorail beam design example
{max}}{f_{c}} \] Where \(f_{c}\) is the allowable stress in concrete; for normal concrete: \(f_{c} = 20\, \text{MPa}\) Convert M_max to N·mm: \[ 3,750\, \text{kNm} = 3,750 \times 10^6\, \text{N·mm} \] Calculate S: \[ S = \frac{3.75 \times 10^9}{20} = 187.5 \times 10^6\, \text{mm}^3 \] Section
