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木材の摩擦抵抗に関する研究
http://hdl.handle.net/2261/23341
http://hdl.handle.net/2261/2334197df1d28-c687-435e-a08f-2865fe5df251
名前 / ファイル | ライセンス | アクション |
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esrh037007.pdf (649.0 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2014-09-03 | |||||
タイトル | ||||||
タイトル | 木材の摩擦抵抗に関する研究 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
その他のタイトル | ||||||
その他のタイトル | A Study on Frictional Resistance of Wooden Surface | |||||
著者 |
上飯坂, 実
× 上飯坂, 実 |
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著者別名 | ||||||
識別子 | 56631 | |||||
識別子Scheme | WEKO | |||||
姓名 | KAMIIZAKA, Minoru | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | It is evident that a certain resisting force is acting against a tractive force when a sledge (or any other simmiller log-transporting equipment) is pulled by that force. The total resistance is mainly due to the friction on the contacting surface between the sledge and the ground on which it lays, but somewhat complicated figures may be seen in the amount of the resistance owing to the additional resisting forces on the front surface and the side surfaces of the sledge. Though there had been already performed numerous studies theoretically as well as experimentally on the phenomena of friction and resistance, the given values of the resistance or the coefficients of friction differ to a large amount in each case; the nature of friction itself is not yet sufficiently clarified because it depends upon various complicated factors. The author performed some experiments with smallsize model-sledges aiming to analyse the problem. In the experiments coefficients of statical friction on the bottom surface and the resisting forces both on the front and the side surfaces of the model-sledges were measured. As to the measurement of friction and resisting forces, two methods, namely, 1) maximum slope of the ground surface at the moment when a sledge slides being measured directly, and 2) tractive force to move a sledge on horizontal surface being measured, and then coefficient calculated mathematically, were compared at first; better results were proved by the latter method. The results obtained by the latter method are as follows: | |||||
書誌情報 |
東京大学農学部演習林報告 巻 37, p. 59-72, 発行日 1949 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03716007 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00162451 | |||||
日本十進分類法 | ||||||
主題 | 610 | |||||
主題Scheme | NDC | |||||
出版者 | ||||||
出版者 | 東京大学大学院農学生命科学研究科附属演習林 | |||||
出版者別名 | ||||||
The Tokyo University Forests |