PART III

TIMBER TESTING

Working plan Forms of material tested Size of test specimens Moisture determination Machine for static tests Speed of testing machine Bending large beams Bending small beams Endwise compression Compression across the grain Shear along the grain Impact test Hardness test: Abrasion and indentation Cleavage test Tension test parallel to the grain Tension test at right angles to the grain Torsion test Special tests Spike pulling test Packing boxes Vehicle and implement woods Cross-arms Other tests

APPENDIX

Sample working plan of United States Forest Service Strength values for structural timbers

BIBLIOGRAPHY

## Part I : Some general works on mechanics, materials of

construction, and testing of materials

## Part II : Publications and articles on the mechanical

properties of wood, and timber testing

##