{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

17.6_MofI_2 - ENGR 211 Lecture 16 Moment of Inertia part 2...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
ENGR 211 Lecture 16 Fall 2007 Civil Engineering Moment of Inertia Moment of Inertia part 2 part 2 Compression Tension Force Couple I Civil Engineering Definitions Definitions 2 2 x x I y dA k A = = 2 2 y y I x dA k A = = •Where I is Moment of Intertia •And k is the radius of gyration Remember how we solved for the centroid of an Area much the same way.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
ENGR 211 Lecture 16 Fall 2007 Civil Engineering Moments of Inertia Moments of Inertia – They are inversely proportional to the stresses in beams that cause failure. They are proportional to the stiffness of beams. They are second moments of area. Civil Engineering
Background image of page 2
ENGR 211 Lecture 16 Fall 2007 Civil Engineering Strength of Materials Strength of Materials Real Materials fail when too much stress is applied Axial Stress – Tension – Compression Shear Stress Bending Stress Civil Engineering Axial Stress Axial Stress Tension (or Compression) Cross-sectional area T σ axial =
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon