Lecture Notes

Bearing Stress

definition

bearing stress, σ_b- a contact stress
bearing area - the projected area of a bearing surface
σ_bearing = F_b / A_b(bearing force / bearing area)

see M1.1 for a simple example of normal, shear and bearing stresses

examples on curved surfaces

From Wood Structures - A Design Guide and Commentary, compiled by Task Committee on
Status-of-the-Art: Wood Committee on Wood, ASCE Structural Division, 1975, page 237.

examples on flat surfaces

Rolla bridge

Photo taken by Jeff Thomas in Rolla,
Missouri on January 23, 1999
Photo taken by Jeff Thomas in Rolla,
Missouri on January 16, 1999
Photos from trussnet.com

From Wood Structures - A Design Guide and Commentary, compiled by Task Committee on Status-of-the-Art: Wood Committee on Wood, ASCE Structural Division, 1975, page 237.


Photo taken by Jeff Thomas in Rolla, Missouri on January 23, 1999	Photo taken by Jeff Thomas in Rolla, Missouri on January 16, 1999	Photos from trussnet.com