RAM Structural System Help

Sections 12.11.1 and 12.11.2 Span Detailing

shortdesc

  • The peak reinforcement in each region is determined by taking the maximum reinforcement demand in every cross section over the following regions:
    • Support – from the support to 0.15L into the span
    • Span – from 0.35L to 0.65L
    • For a cantilever, the entire span is considered to be in the support region, and none of the span is considered to be in the span region
    • For a span with no supports designated, the entire span is considered to be in the span region, and none of the span is considered to be in the support region
  • Bar length calculations consider the support width as necessary
  • Section 12.10.3 is satisfied by using the provisions of clause 11.3.9.2 and 11.3.9.3 to determine the reinforcement demand. Since this approach inherently adds embedment length at every cutoff location, clause 12.10.4 is not explicitly applied but will be satisfied in normal situations.
  • Section 12.11.1 is applied in span regions. Only spans that are continuous on both sides are treated as continuous members – all other conditions are treated as simply supported.
  • Rule 12.12.2 is applied in support regions. For this provision, the maximum inflection point distance is calculated from all the given loading conditions. Inflection points that are beyond 30% of the span length are not considered.

For columns, the program will determine the peak demand of every cross section in the column and extend it over the entire length of the column.