Calculate the section modulus for various geometric shapes, essential for structural design.
Cross-Section Details
Section Properties
Enter dimensions to calculate
Quick Reference
BWidth of the section
HHeight of the section
DOuter diameter
ZElastic Section Modulus
Overview
Section modulus (Z) is a geometric property of a cross-section used for designing beams. It relates the bending moment applied to the beam to the maximum stress experienced by the material.
💡
Pro Tips
The elastic section modulus is calculated as Z = I / y, where I is the moment of inertia and y is the distance from the neutral axis.
A larger section modulus means the beam can resist higher bending moments before reaching its yield stress.
Units are typically length cubed (e.g., in³, cm³, or mm³).
!
Fun Facts
"An I-beam is designed to have a high section modulus for its weight by placing most of its material far from the neutral axis."
"The concept of section modulus was instrumental in the development of modern skyscraper architecture."
"Section modulus only depends on geometry, not on the material the beam is made of."
