Concrete Beam Flexure Design Example
Step-by-step concrete beam flexure design example per ACI 318-19 §22.2. Covers effective depth, required Asreq using the ρ formula, Whitney stress block, φMn capacity, and demand-capacity ratio (DCR).
Given Parameters
beam width
total depth
concrete strength
steel yield strength
factored moment
reinforcement
Calculation Steps
1. Effective Depth
2. Required Reinforcement Area
3. Check Provided Steel
4. Flexural Capacity φMn
Demand / Capacity Ratio
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