18.] |------------------------------------------------------------------------------------------| | TABLE XVI | |------------------------------------------------------------------------------------------| | EFFECT OF STEAMING ON THE STRENGTH OF GREEN LOBLOLLY PINE | | (Forest Service, Cir.

39) | |------------------------------------------------------------------------------------------| | | Cylinder conditions | Strength | | |---------------------------------+--------------------------------------------| | | Steaming | Static | Impact | | | |---------------------------------+---------------------+----------| Average | | Treatment | | | | Bending | Compres- | Height | of the | | | | | | modulus | sion | of drop | three | | | Period | Pressure | Temperature | of | parallel | causing | strengths | | | | | | rupture | to grain | complete | | | | | | | | | failure | | |-----------+--------+----------+-------------+----------+----------+----------+-----------| | | | Lbs.

per | | Per cent | Per cent | Per cent | Per cent | | | Hrs.

| sq.

inch | deg.F.