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  1. 0 資料タイプ別
  2. 03 紀要論文
  1. 070 農学部
  2. 20 紀要
  3. 01 新潟大学農学部研究報告
  4. 第53巻第2号

ウエルパーミアメータ法を用いた砂地ほ場での透水係数の測定

http://hdl.handle.net/10191/25149
http://hdl.handle.net/10191/25149
89b5d487-6462-498d-9784-e2819c01c15a
名前 / ファイル ライセンス アクション
53_2_151-158.pdf 53_2_151-158.pdf (497.6 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2014-02-13
タイトル
タイトル ウエルパーミアメータ法を用いた砂地ほ場での透水係数の測定
タイトル
言語 en
タイトル ウエルパーミアメータ法を用いた砂地ほ場での透水係数の測定
言語
言語 jpn
キーワード
主題Scheme Other
主題 原位置透水試験
キーワード
主題Scheme Other
主題 ウェルパーミアメータ法
キーワード
主題Scheme Other
主題 砂地ほ場
キーワード
主題Scheme Other
主題 ほ場飽和透水係数
キーワード
主題Scheme Other
主題 In-situ permeability test
キーワード
主題Scheme Other
主題 Well permeameter method
キーワード
主題Scheme Other
主題 Sand field
キーワード
主題Scheme Other
主題 Field-saturated hydraulic conductivity of soil
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 Measurement of Hydraulic Conductivity of Soil in Sand Field by Using the Well Permeameter
著者 森井, 俊広

× 森井, 俊広

WEKO 163996

森井, 俊広

Search repository
松本, 智

× 松本, 智

WEKO 163997

松本, 智

Search repository
森, 敬幸

× 森, 敬幸

WEKO 163998

森, 敬幸

Search repository
著者別名
識別子 163999
識別子Scheme WEKO
姓名 Morii, Toshihiro
著者別名
識別子 164000
識別子Scheme WEKO
姓名 Matsumoto, Satoshi
著者別名
識別子 164001
識別子Scheme WEKO
姓名 Mori, Takayuki
抄録
内容記述タイプ Abstract
内容記述 砂地ほ場で、ゲルフ式ウェルパーミアメータ(GP)法の適用性を調べた。当試験法は、 1985年前後にカナダのGuelph大学の研究グループによって開発されたもので、オーガーで掘削した半径教 cm 程度のウェル内に一定水位を保ち、そのときに生じる定常浸潤量を測定して、ほ場における飽和透水係数 K_<fs> を測定するものである。一連の試験より、測定装置のシンプルさ、測定の簡便さと迅速性といった原位置試験法としての優れた性能を確認できた。測定精度も、十分に実務的なものであった。深さ140cm まで実施した GP法からえられたK_<fs> と、その後に掘削したトレンチでの土層断面の観察結果および採取コア土の透水係数との対比を行った。GP法は、試験条件と土質に応じた測定領域をもつため、層構造をもつほ場では、この測定額域に含まれる土層を平滑したようなK_<fs> を算出すること、また砂地ほ場のように相対的に透水性の高い土壌では、主に鉛直方向の透水係数を測定することが分かった。
抄録
内容記述タイプ Abstract
内容記述 An applicability of the Guelph well permeameter (GP) method was examined by in-situ tests in sand field. The GP method, which was developed by the researchers of Guelph University, Canada, around 1985, is an in-situ permeability test to determine a field-saturated hydraulic conductivity of soil, K_<fs> by measuring steady-state infiltration rate from a bored well into the soil to maintain constant head of water within the well. The in-situ tests in the sand field showed that an apparatus of the GP method as well as a procedure to measure the steady-state infiltration rate is quite simple. Accuracy of K_<fs> was successfully evaluated by comparing with saturated hydraulic conductivity of soil cores sampled from the test sites without disturbance. K_<fs> along the vertical line from the soil surface to 140cm in depth were measured by the GP method and plotted together with the soil profile along the vertical section of a trench in the soil. Comparison between K_<fs> along the soil profile and the saturated hydraulic conductivity of the soil cores sampled from the soil layers revealed that, in the case of layered soil, the GP method provides a weighted average value of K_<fs> of layered soils included within some region around the well. It was also shown that the vertical component of hydraulic conductivity is preferably measured by the GP method in sand soil.
書誌情報 新潟大学農学部研究報告
en : 新潟大学農学部研究報告

巻 53, 号 2, p. 151-158, 発行日 2001-03
出版者
出版者 新潟大学農学部
ISSN
収録物識別子タイプ ISSN
収録物識別子 03858634
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00183393
著者版フラグ
値 publisher
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