[The Mechanical Properties of Wood by Samuel J. Record]@TWC D-Link bookThe Mechanical Properties of Wood
PART III TIMBER TESTING[56]
[Footnote 56: The methods of timber testing described here are
for the most part those employed by the U
10/101
This ratio is derived from empirical curves.
(See Table XVII.) |-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | TABLE XVII TABLE XVII | |-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | SPEED-STRENGTH MODULI AND RELATIVE INCREASE IN STRENGTH AT RATES OF FIBRE STRAIN INCREASING IN GEOMETRICAL RATIO.
(Tiemann, _loc.
cit._) | | (Values in parentheses are approximate) | |-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | Rate of fibre strain.
| | | | | | | | | Ten-thousandths inch | 2/3 | 2 | 6 | 18 | 54 | 162 | 486 | | per minute per inch | | | | | | | | |-------------------------+-----------------------+-----------------------+-----------------------+-----------------------+-----------------------+-----------------------+-----------------------| | C | Speed of crosshead.
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