The Results frame contains the results from the calculation. The results are divided nto two categories, Ultimate limit state and Servicability limit state.
Ultimate Limit State, ULS
Stresses
| | Unit | Definition |
|---|
| fctd | MPa | Concrete tensile strength used in the calculation. Derived from the concrete class of the hollowcore. |
| σ1 | MPa | |
| σ2 | MPa | |
| τ1 | MPa | |
| τ2, eff | MPa | Effective shear stress due to shear forces in the beam |
| σps | MPa | Principal stress in the hollowcore |
Utilization
| | Unit | Definition |
|---|
| η | % | Utilization of the calculation with regards to flexible supports |
Shear flow
| | Unit | Definition |
|---|
| Sf | kN/m | Shear flow |
| τ2, eff | MPa | Effective shear stress due to shear forces in the beam |
Other parameters used in the calculation
| | Unit | Definition |
|---|
| βf | - | Correction factor with regards to core filling. According to FIB Bulletin 6, Table 3.2 |
| βtop | - | Correction factor with regards to reinforcement in the topping. According to FIB Bulletin 6, Eq. 19 |
| τ2, top | | |
| τ2, imp | | |
Serviceability Limit State, SLS
| | Unit | Definition |
|---|
| εcr | - | |
| 1/rcur | m-1 | Current curvature with regards to the applied loads |
| 1/rallow | m-1 | Allowed curvature. According to FIB Bulletin 6 3.4.3 this parameter is set to 0.027 m-1 |
| η | % | Utilization in serviceability limit state, with regards to curvature |