spSlab v3.10 - Updated January 2010
1. | Adjusted ACI 318-08 metric factors for concrete shear capacity and minimum shear reinforcement calculations. | ||
2. | Revised minimum shear requirements for special members per ACI 318-08. | ||
3. | Revised normal weight concrete limit in development length calculations per ACI 318-08. | ||
4. | Revised lambda factors for lightweight concrete. | ||
5. | Revised minimum thickness calculations for two-way systems for ACI code. | ||
6. | Improved development length calculations for structural semi-low density concrete for CSA code. | ||
7. | Improved calculations of reinforcement concentration over supports required per CSA code. | ||
8. | Improved calculations of modified gamma_v and gamma_f factors for corner and edge columns for ACI code. | ||
9. | Improved calculations of reinforcement required for flexural transfer of unbalanced moment over supports. | ||
10. | Allowed more economical design of slabs in systems with transverse beams by assuming face of the support at beam edge if beam is wider than column. | ||
11. | Improved calculation of moment distribution factors for systems with longitudinal beams. | ||
12. | Improved calculations of moment distribution factors in models with transverse and longitudinal slab bands in selected spans only. | ||
13. | Improved interpolation of moment distribution factors at span ends over wide (wall) supports in systems where column strip width and middle strip width are not equal. | ||
14. | Revised Manual and Help documentation to increase accessibility, enhance description of new program features and reflect added functionality. | ||
15. | Provided access to software manual directly from the Help menu. | ||
16. | Revised text output for increased clarity and consistency. |
1. | Exceeding combined M-V-T capacity of bottom bars in certain design cases | ||
2. | Column reaction equal to zero for systems that include lateral loads and moment redistribution | ||
3. | Applying default load combinations when switching design codes and no load cases are defined. | ||
4. | Applying default load combinations when switching design codes and SELF and/or DEAD load cases are not defined | ||
5. | Providing results for combined shear and torsion in investigation mode. |