Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 eBook

This eBook from the Gutenberg Project consists of approximately 13 pages of information about Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910.

Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 eBook

This eBook from the Gutenberg Project consists of approximately 13 pages of information about Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910.
| 1 |South |0.50|46.2|31.2|3,150| 5,580|1,426|0.45| |saturation | | |Carolina.|0.60|56.8|37.5|5,210| 8,460|1,920|0.99| 7 |point in | | | |0.40|35.6|25.0|1,675| 3,120| 905|0.07| |all cases. | | | | | | | | | | | | | +---+---------+----+----+----+-----+------+-----+----+---+--
----------+ | | | | | | | | | | | | | | | | | | | | | | | | | 2 |South |0.50|40.0|31.2|3,380| 5,650|1,435|0.45| |Moisture | | |Carolina.|0.55|43.7|34.4|4,610| 8,090|1,880|0.76| 0 |from 25 to | | | |0.45|35.6|28.1|2,115| 3,600|1,152|0.20| |30 per cent.| | | | | | | | | | | | | +---+---------+----+----+----+-----+------+-----+----+---+--
----------+ | | | | | | | | | | | | | |South |0.50|37.5|31.2|2,970| 5,690|1,340|0.39| |Moisture | | 3 |Carolina.|0.58|45.6|36.2|4,850| 8,100|2,040|0.69| 2 |less than | | | |0.41|31.2|25.6|1,730| 2,910| 906|0.10| |25 per cent.| +---+---------+----+----+----+-----+------+-----+----+---+--
----------+ | | |0.46|35.6|28.8|3,260| 5,180|1,180|0.51| | | | 4 |Virginia.|0.58|43.1|36.2|5,300| 8,950|1,728|1.05| 0 | | | | |0.37|30.0|23.1|1,280| 2,180| 606|0.13| | | +---+---------+----+----+----+-----+------+-----+----+---+--
----------+ | | |0.43|43.7|26.9|1,935| 3,490| 744|0.31| |Very rapid | | 5 |Virginia.|0.51|51.9|31.9|3,185| 4,720|1,193|0.78| 0 |growth; poor| | | |0.35|35.0|21.9| 956| 2,180| 357|0.12| |quality. | +---+---------+----+----+----+-----+------+-----+----+---+--
----------+

Long-leaf pine.

+---+---------+----+----+----+-----+------+-----+----+-
--+------------+ | | |0.58|45.6|36.2|3,800| 7,160|1,560|0.53| | | | 6 |South |0.76|60.0|47.5|4,970|10,020|2,010|0.78| 9 | | | |Carolina.|0.50|39.4|31.2|2,220| 5,450|1,190|0.21| | | +---+---------+----+----+----+-----+------+-----+----+---+--
----------+ | | |0.69|54.7|42.9|5,581| 8,384|1,820| -- | |Excellent | | 7 |Georgia. |0.79| -- |49.4|9,600|11,410|2,920| -- | 6 |merchantable| | | |0.50| -- |31.4|3,547| 4,836|1,167| -- | |grade. | +===========================================================
==========+

TABLE 3.—­LOBLOLLY PINE.—­BENDING TESTS ON BEAMS SEASONED UNDER DIFFERENT CONDITIONS.

(8 by 16-in. section; 13-1/2 to 15-ft. span.)

Columns in table: 

A. Number of tests. 
B. Fiber stress at elastic limit, in pounds per square inch. 
C. Modulus of rupture, in pounds per square inch. 
D. Longitudinal shear at maximum load, in pounds per square inch. 
E. Modulus of elasticity, in thousands of pounds per square inch. 
F. Percentage of moisture. 
G. Rings per inch. 
H. Weight per cubic foot, oven dry, in pounds. 
I. Condition of seasoning.

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Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 from Project Gutenberg. Public domain.