College Physics II – Mechanics, Sound, Oscillations, and Waves
Definition
I-beams are structural elements with an I-shaped cross-section, designed to bear high loads. Their geometry provides a high moment of inertia, making them efficient in resisting bending and deflection.
congrats on reading the definition of I-beams. now let's actually learn it.
I-beams have high strength-to-weight ratios due to their shape.
The flanges resist most of the bending moment while the web resists shear stress.
They are commonly used in construction for beams and columns.
I-beams can be made from various materials including steel, aluminum, and composite materials.
Their performance can be analyzed using concepts of stress, strain, and elasticity.
Review Questions
What is the main advantage of using an I-beam in construction?
How do the flanges and web of an I-beam contribute to its mechanical properties?
Which physical principles are essential for analyzing the performance of I-beams?
Related terms
Stress: Stress is the internal force per unit area within a material that arises from externally applied forces.
Strain: Strain is the deformation or displacement per unit length resulting from an applied stress.
Elastic Modulus: Elastic Modulus is a measure of a material's ability to resist deformation under load, defined as the ratio of stress to strain in the elastic region.