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The Mechanical Properties of Wood: Including a Discussion of the Factors Affecting the Mechanical Properties, and Methods of Timber TestingRecord, Samuel J. (Samuel James)

Science

The Mechanical Properties of Wood: Including a Discussion of the Factors Affecting the Mechanical Properties, and Methods of Timber Testing

Name: The Mechanical Properties of Wood: Including a Discussion of the Factors Affecting the Mechanical Properties, and Methods of Timber Testing
Author: Record, Samuel J. (Samuel James)

Record, Samuel J. (Samuel James)

Wood; Wood -- Testing

|-------------------------------------------------------|
|                       TABLE VI                        |
|-------------------------------------------------------|
|  RESULTS OF ENDWISE COMPRESSION TESTS ON SMALL CLEAR  |
|         PIECES OF 40 WOODS IN GREEN CONDITION         |
|               (Forest Service Cir. 213)               |
|-------------------------------------------------------|
|                   |   Fibre   |          |  Modulus   |
|    COMMON NAME    | stress at | Crushing |     of     |
|    OF SPECIES     |  elastic  | strength | elasticity |
|                   |   limit   |          |            |
|-------------------+-----------+----------+------------|
|                   | Lbs. per  | Lbs. per |  Lbs. per  |
|                   | sq. inch  | sq. inch |  sq. inch  |
|                   |           |          |            |
|    Hardwoods      |           |          |            |
|                   |           |          |            |
| Ash, white        |   3,510   |   4,220  |  1,531,000 |
| Basswood          |     780   |   1,820  |  1,016,000 |
| Beech             |   2,770   |   3,480  |  1,412,000 |
| Birch, yellow     |   2,570   |   3,400  |  1,915,000 |
| Elm, slippery     |   3,410   |   3,990  |  1,453,000 |
| Hackberry         |   2,730   |   3,310  |  1,068,000 |
| Hickory,          |           |          |            |
|   big shellbark   |   3,570   |   4,520  |  1,658,000 |
|   bitternut       |   4,330   |   4,570  |  1,616,000 |
|   mockernut       |   3,990   |   4,320  |  1,359,000 |
|   nutmeg          |   3,620   |   3,980  |  1,411,000 |
|   pignut          |   3,520   |   4,820  |  1,980,000 |
|   shagbark        |   3,730   |   4,600  |  1,943,000 |
|   water           |   3,240   |   4,660  |  1,926,000 |
| Locust, honey     |   4,300   |   4,970  |  1,536,000 |
| Maple, sugar      |   3,040   |   3,670  |  1,463,000 |
| Oak, post         |   2,780   |   3,330  |  1,062,000 |
|   red             |   2,290   |   3,210  |  1,295,000 |
|   swamp white     |   3,470   |   4,360  |  1,489,000 |
|   white           |   2,400   |   3,520  |    946,000 |
|   yellow          |   2,870   |   3,700  |  1,465,000 |
| Osage orange      |   3,980   |   5,810  |  1,331,000 |
| Sycamore          |   2,320   |   2,790  |  1,073,000 |
| Tupelo            |   2,280   |   3,550  |  1,280,000 |
|                   |           |          |            |
|    Conifers       |           |          |            |
|                   |           |          |            |
| Arborvitæ         |   1,420   |   1,990  |    754,000 |
| Cedar, incense    |   2,710   |   3,030  |    868,000 |
| Cypress, bald     |   3,560   |   3,960  |  1,738,000 |
| Fir, alpine       |   1,660   |   2,060  |    882,000 |
|   amabilis        |   2,763   |   3,040  |  1,579,000 |
|   Douglas         |   2,390   |   2,920  |  1,440,000 |
|   white           |   2,610   |   2,800  |  1,332,000 |

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The Mechanical Properties of Wood: Including a Discussion of the Factors Affecting the Mechanical Properties, and Methods of Timber Testing

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