Table of Contents
Design Aid J.1-1 Areas of Reinforcing Bars
Design Aid J.1-2 Approximate Bending Moments and Shear Forces for Continuous Beams and One-way Slabs
Design Aid J.1-3 Variation of φ with Net Tensile Strain in Extreme Tension Steel εt and c / dt – Grade 60 Reinforcement and Prestressing Steel
Design Aid J.1-4 Simplified Calculation of As Assuming Tension-Controlled Section and Grade 60 Reinforcement
Design Aid J.1-5 Minimum Number of Reinforcing Bars Required in a Single Layer
Design Aid J.1-6 Maximum Number of Reinforcing Bars Permitted in a Single Layer
Design Aid J.1-7 Minimum Thickness h for Beams and One-Way Slabs Unless Deflections are Calculated
Design Aid J.1-8 Reinforcement Ratio ρt for Tension-Controlled Sections Assuming Grade 60 Reinforcement
Design Aid J.1-9 Simplified Calculation of bw Assuming Grade 60 Reinforcement and ρ = 0.5 ρmax
Design Aid J.1-10 T-beam Construction
Design Aid J.1-11 Values of φVs = Vu - φVc (kips) as a Function of the Spacing, s
Design Aid J.1-12 Minimum Shear Reinforcement Av, min / s
Design Aid J.1-13 Torsional Section Properties
Design Aid J.1-14 Moment of Inertia of Cracked Section Transformed to Concrete, Icr
Design Aid J.1-15 Approximate Equation to Determine Immediate Deflection, Δi, for Members Subjected to Uniformly Distributed Loads
Design Aids J.2 Two-Way Slabs – Direct Design method, includes the following:
- Conditions for Analysis by the Direct Design Method
- Definitions of Column Strip and Middle Strip
- Definition of Clear Span,
- Design Moment Coefficients used with the Direct Design Method
- Effective Beam and Slab Sections for Computation of Stiffness Ratio, αf
- Computation of Torsional Stiffness Factor, βt, for T- and L-Sections
- Moment Distribution Constants for Slab-Beam Members without Drop Panels
- Stiffness and Carry-Over Factors for Columns