高松市における雨水浸透施設の適用性の検討
水工学論文集 Volume 48
Page 331-336
published_at 2004-02
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Title ( jpn ) |
高松市における雨水浸透施設の適用性の検討
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Title ( eng ) |
Effectiveness of rainfall infiltration facilities in Takamatsu city
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Creator |
Hashimoto Yuhei
Yamasaki Hideyuki
Watanabe Kenichi
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Source Title |
水工学論文集
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Volume | 48 |
Start Page | 331 |
End Page | 336 |
Abstract |
The present study is concerned with feasibility of the rainfall infiltration facilities in Takamatsu city and offers newly obtained fundamental data such as geological map of surface soil layer, hydraulic conductivity of surface soil layer and groundwater level during rainy seasons. Four issues are discussed. First, a new geological map is presented for surface soil layer at 1m depth, which is closely related to infiltration facilities, based on the re-examination of the existing borehole logs and new boring survey. In urbanized area surface soils of 1m thickness show multiple layers of different soil types, reflecting the past land use change. Secondary, an in-situ permeability test was carried out at 39 locations to correlate the hydraulic conductivity of the surface soil layer at 1m depth and its soil type. Thirdly, the depth of groundwater table from the ground surface is reported with water level variation corresponding to rainfall. Finally, the effective areas for infiltration facilities in Takamatsu city are discussed.
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Keywords |
rain water infiltration facility
geological map
in-situ permeability test
hydraulic conductivity
groundwater level
field measurement
Takamatsu
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NDC |
Construction. Civil engineering [ 510 ]
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Language |
jpn
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Resource Type | journal article |
Publisher |
土木学会
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Date of Issued | 2004-02 |
Publish Type | Author’s Original |
Access Rights | open access |
Source Identifier |
[ISSN] 0916-7374
[NCID] AN10426673
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