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タイトルヨミ
チンコウシキ リュウド ブンセキ ソウチ ノ シヨウホウ ト ブンセキ ケッカ ノ トクチョウ
タイトル別表記
Guide for a grain-size analyzer with a settling tube system, and characteristics of its analysis
ファイル
言語
日本語
著者
田村 嘉之
中山 勝博
内容記述(抄録等)
A grain-size analyzer with settling tube system was established.A personal computer controls this system and process data.
We measured the grain-size distribution of same samples by three kinds of measuring method; the sieving method,sedimentation method with Emery tube,and sedimentation method with this analyzer.Samples are standard glass spheres(0.177-0.250mm)and beach sand.Analyzing grain size distribution is the moment method.No significant difference among three measuring methods recognized on standard glass spheres.However,the arithmetric mean of beach sand given by this analyzer is approximately 0.4 phi,which is finer than that by the other methods.On sieving method,platy particle may readily pass diagonally through mesh.The other hand,concentrated sample may accelerate settling velocity in Emery tube.Thus size determination by these two methods is coarser.The analyzer in the present study is less susceptible to these factors.Further,this analyzer has high possibilities to connect with the hydrometer technique,and its measurement time is short in comparison with the other methods.
掲載誌名
島根大学地球資源環境学研究報告
12
開始ページ
17
終了ページ
22
ISSN
13439774
発行日
1993-08-30
NCID
AA11455176
出版者
島根大学総合理工学部地球資源環境学教室
出版者別表記
Department of Geoscience, Interdisciplinary Faculty of Science and Engineering, Shimane University
資料タイプ
紀要論文
部局
(旧組織)大学院総合理工学研究科
備考
12-14,16+ / 1993+