Minimum Beam Depth Calculator

Professional calculator for determining minimum depth of nonprestressed beams according to ACI 318-19 Table 9.3.1.1. Perfect for structural engineers and designers.

                    ACI 318-19 CODE PROVISIONS
                    Table 9.3.1.1—Minimum depth of nonprestressed beams
                
                            Support condition
                            Minimum h[1]
                        
                            Simply supported
                            l/16
                        
                            One end continuous
                            l/18.5
                        
                            Both ends continuous
                            l/21
                        
                            Cantilever
                            l/8
                        
                    Footnote [1]: Expressions applicable for normalweight concrete and f_y = 420 MPa. 
                    For other cases, minimum h shall be modified in accordance with 9.3.1.1.1 through 9.3.1.1.3, as appropriate.
                
                    Section 9.3.1.1.1: For f_y other than 420 MPa, the expressions in Table 9.3.1.1 
                    shall be multiplied by (0.4 + f_y/700).

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Minimum Beam Depth Calculator

ACI 318-19 CODE PROVISIONS

Table 9.3.1.1—Minimum depth of nonprestressed beams

MINIMUM BEAM DEPTH CALCULATOR

Based on ACI 318-19 Table 9.3.1.1

Results

Calculation Steps:

Beam Cross-Section

Support condition	Minimum h[1]
Simply supported	l/16
One end continuous	l/18.5
Both ends continuous	l/21
Cantilever	l/8