50 Years Experiences of Engineering Geology in Tokyo Bay Area
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- KOJIMA Keiji
- Geospace Laboratory/The University of Tokyo
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- OHTSUKA Yasunori
- Technical Planning Division, OYO Corporation
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- OHNO Hiroyuki
- Engineering Department, Kankyo Chishitsu Co., Ltd.
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- KARUBE Fumio
- Cultural Properties Section, Technical Research Institute, Technical Planning Division, OYO Corporation
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- TSUCHIYA Akiyoshi
- Japan Geotechnical Consultants Association
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- TOKUNAGA Tomochika
- Department of Environment System, Graduate School of Frontier Science, The University of Tokyo
Bibliographic Information
- Other Title
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- 東京湾岸地域における地質工学
- 東京湾岸地域における地質工学--50年の実績
- トウキョウ ワンガン チイキ ニ オケル チシツ コウガク 50ネン ノ ジッセキ
- ―50年の実績―
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Abstract
The authors, first, reviewed past 50-year history of regional developments and artificially-changed natures in Tokyo Bay area. Then, they showed how engineering geology contributed to those artificial changes. They also showed how to create the logical system of engineering geology based on the basic earth-science and geotechnical theories and knowledge. The discussed case studies include; conversion of the logics for making geotechnical maps from ground surface maps; methodology for obtaining geotechnical properties by using natural analog theory; assigning geotechnical properties to geological strata and logical extension for degradation of geotechnical properties.<br> Based on the 50 years experiences, it is important that engineering geology should be developed by establishing logical extension of three basic logics (natural phenomenology, geotechnical properties theory, methodology) and their overlapping fields. In particular, it is important to extend logics and methods of sequence stratigraphy or natural analog and assigning geotechnical properties to geological strata. In other words, assigning geotechnical properties should be done on the basis of the natural ground properties obtained by wide and long-term observations. In order to sophisticate the prediction methods of natural responses due to artificial changes, it may be required to develop some advanced tools for observing natural phenomena widely and simultaneously.
Journal
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- Journal of the Japan Society of Engineering Geology
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Journal of the Japan Society of Engineering Geology 50 (3), 126-139, 2009
Japan Society of Engineering Geology
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Keywords
Details 詳細情報について
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- CRID
- 1390001204094045952
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- NII Article ID
- 110007359806
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- NII Book ID
- AN00026635
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- ISSN
- 18840973
- 02867737
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- NDL BIB ID
- 10409170
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed