spColumn Input and Output

User Interfaces

  • Graphical User Interface
  • Command Prompt (batch mode)

Input File Formats

  • pcaColumn/spColumn Binary Input (COL) File
  • pcaColumn/spColumn Text Input (CTI) File

Material properties

  • Concrete compressive strength and modulus of elasticity
  • Maximum allowable compressive strength
  • Rectangular stress block depth factor
  • Ultimate compressive strain
  • Yield strength
  • Modulus of elasticity
  • ASTM A615, ASTM A615M, CSA, G 30.18, prEN 10080, or user defined

Section Geometry

  • Rectangular, circular, or irregular shapes
  • Equally-spaced bars - rectangular or circular layout
  • Rectangular layout with equal number of bars on each side
  • Rectangular layout with a different number of bars on each side
  • Irregular pattern
  • Tied, spiral, or other (strength reduction factors may be modified)

Design Parameters

  • Clear cover to bars or ties
  • Bar spacing
  • Minimum and maximum reinforcement