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An Experimental Study on Weathering of Granite Tombstone Affected by Surface Polishing
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- TAKAYA Yasuhiko
- Center for Spatial Information Science, The University of Tokyo
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- HATTANJI Tsuyoshi
- Faculty of Life and Environmental Science, University of Tsukuba
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- MATSUKURA Yukinori
- Faculty of Life and Environmental Science, University of Tsukuba
Bibliographic Information
- Other Title
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- 花崗岩墓石の風化に及ぼす表面研磨の影響:室内実験による予察
- ハナオカガン ハカイシ ノ フウカ ニ オヨボス ヒョウメン ケンマ ノ エイキョウ : シツナイ ジッケン ニ ヨル ヨサツ
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Description
<p>To elucidate the effect of polishing process on surface weathering of granite tombstone, laboratory experiments were carried out using a flow-through reactor and an acid solution. Two tablet-type specimens (3.5-cm diameter, 1.0-cm height) polished by three types of processes (#1000 , buff, and Sanwa final) were set in a bottle where HCl aqueous solution of pH 4.5 flows at a rate of ca. 60 mL/day at 25ºC for 56 days, and pH of the output solutions was monitored. Before and after the experiment, surface roughness (Ra) and glossiness (Gs60 ) were measured. Experimental results showed that an increase of Ra and a decrease of Gs60 were less in Sanwa final polishing, i.e. the mirror finish with the minimum rise of temperature and pressure by using a whetstone than that in buff polishing, i.e. the mainstream finish with some stresses by buff polishing. Therefore, it was possible to delay the proceeding of weathering by inhibiting the polishing damage to surface of granite tombstone.</p>
Journal
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- Transactions, Japanese Geomorphological Union
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Transactions, Japanese Geomorphological Union 34 (4), 293-302, 2013-10-25
Japanese Geomorphological Union
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Details 詳細情報について
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- CRID
- 1390021149549472000
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- NII Article ID
- 110009661938
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- NII Book ID
- AN00333248
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- ISSN
- 27592529
- 03891755
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- NDL BIB ID
- 025010633
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL Search
- NDL Digital Collections (NII-ELS)
- CiNii Articles
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- Abstract License Flag
- Allowed