|
| M. of R. = Modulus of rupture. |
| Cr. str. at E.L. = Crushing strength at elastic limit. |
| Cr. str. at max. ld. = Crushing strength at maximum load. |
|-----------------------------------------------------------------------------------------------------------------------------------------------|

|-----------------------------------------------------------------------------------------------------------------------------------|
| TABLE XX TABLE XX |
|-----------------------------------------------------------------------------------------------------------------------------------|
| BENDING TESTS ON AIR-SEASONED MATERIAL |
|-----------------------------------------------------------------------------------------------------------------------------------|
| | Sizes | | | | F.S. at E.L. | M. of R. | M. of E. | Calculated |
| |-----------------| Num- | Per | Rings | | | | shear |
| Species | | | ber | cent | per |-----------------+-----------------+-----------------+-----------------|
| | Cross | Span | of | mois- | inch | Average | Ratio | Average | Ratio | Average | Ratio | Average | Ratio |
| | Section | | tests | ture | | per sq. | to 2" | per sq. | to 2" | per sq. | to 2" | per sq. | to 2" |
| | | | | | | inch | by 2" | inch | by 2" | inch | by 2" | inch | by 2" |
|-----------------+----------+------+-------+-------+-------+---------+-------+---------+-------+---------+-------+---------+-------|
| | | | | | | | | | | 1,000 | | | |
| | Inches | Ins. | | | | Lbs. | | Lbs. |