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RCDC-Column & Shear Wall

Applies To
Product(s): STAAD Advanced Concrete Design
Version(s): Connect Edition
Environment:
Area: Concrete Design
Subarea: Column & Shear Wall Design
Original Author: Bentley Technical Support Group
  1. Detailed explanation for Gravity column design in RCDC
  2. Why only 50% of longitudinal reinforcement considered For Column Shear Calculation?
  3. Why RCDC shows message of “Elevation of Column has been Omitted” while generating elevation of combined wall?
  4. There is option under shear wall for detailing as Boundary Element or Equi Spaced rebar. I wish to have detailing as equi-spaced rebar, but it never gives detailing as equi spaced and redesign consume lot of time
  5. Does RCDC calculate the effective length factor based on ACI 318M -14 Fig. R6.2.5 (b) for sway frames?
  6. On what basis does RCDC perform the Joint shear check based on the Aspect ratio of vertical member as per Clause 7.1.2 IS13920 - 2016 & Amendment no.1 - 2017?
  7. Can RCDC handle columns of shape L, T and other odd shapes?
  8. When equal number of bars are provided in all columns from plinth to top floors, after design it’s showing lesser bars at the bottom and more at top
  9. Some of the columns are missing at lower level even if they have exist in Staad model
  10. Forces for column do not match with analysis
  11. In edit link arrangement all the internal links can be removed. It doesn’t affect the design of links in column design. Please clarify
  12. Does RCDC calculate the Effective length factor automatically or it is user defined? Is it same for all columns in model or different?
  13. Spacing of confining reinforcement for column as per IS13920 2016
  14. In RCDC, we can group columns and design them. But, when we go on creating elevation there is no way to create a single elevation for all the columns in a group. This feature is available only for detailed drawing. Can we incorporate the same for elevation
  15. How can we change the Un-supported length in RCDC when column is tied in one direction and is free in another direction?
  16. In Failure Diagnostic We Can Get Only Reason Of Failure But Not Get The Calculation. How We Know The Failure Calculation Of Column?
  17. RCDC consider 0.4% reinforcement for column minimum reinforcement by default. Is there any clause in IS code to reduce column minimum reinforcement from 0.8% to 0.4%?
  18. A parametric wall is having different thickness at different levels. RCDC is unable to show the correct thickness. What may be the cause?
  19. In my model I have grouped the columns. Instead of column name I want to see group names. How to do that?
  20. Does RCDC designs shear wall for out of plane moments in addition to in plane moments?
  21. Can we design shear wall/wall with single layer (mesh) of reinforcement?
  22. Please clarify the braced and un-braced design conditions
  23. Pl refer to Annexure A off IS 13920 which states walls are to be designed for uniaxial bending. Columns are considered as biaxial. Hence, their design cannot be clubbed under one set
  24. Can we have calculations for boundary zone length in wall design?
  25. RCDC follows ductile detailing as per 13920 for outer ring of boundary element but reduces link dia. & spacing for inner links
  26. What is the basis for only 20% of vertical reinforcement is considered for the calculation of Shear capacity (Tc)?
  27. How and when Modulus of rupture check performed in RCDC?
  28. In which cases we should not consider perform slenderness check - When to and when not to consider slenderness?
  29. Provide detailed explanation for identification of section as a wall with respect to Depth and Width of member in RCDC
  30. Clause used for “Minimum Eccentricity Calculation” of walls as per IS 456-2000
  31. Customization of column reinforcement after auto design
  32. RCDC Not allowing to Merge Levels / RCDC Shows Message -"Levels cannot be merged due to change in column/wall geometry"
  33. After importing ACCDB in RCDC, Few shear Walls which are originally part of Combined walls, are not identified in RCDC file
  34. ACI 318-19, CL. 18.7.3 requirements are checked by RCDC in design

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