九州産構造用木材の強度試験(第4報) : 内大臣地方産樅及び栂
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概要
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The writer tested on the mechanical properties of Momi- and Tsuga- woods (Abies firma S. et Z. and Tsuga Sieboldii Carr.) grown in Naidaijin district, Kumamoto Prefecture, Kyushu. The following tables show the results of this test. Mechanical properties were generally in direct proportion to the density and their relations could be expressed by the equations (1)-(8) with Momi-wood and (1)'-(8)' with Tsuga-wood.