©1998 All Rights Reserved

Introduction Measures of Strength Strength Requirements vs. Use Fundamental Relationships A Look at Several Woods Factors Which Affect the Strength of Lumber Specific Gravity or Density Slope of Grain Knots or Holes Moisture Content Time vs. Strength Determination of Strength Properties Static Bending Test Modulus of Elasticity (MOE) Modulus of Rupture (MOR) Practical Use of Strength Relationships What the MOE and MOR Formulas Reveal About Design Use of Strength Values in Design of Structures Determining Strength for a Specific Grade of Lumber In-Grade Testing MSR Lumber Engineered Wood Products