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A platform for research: civil engineering, architecture and urbanism
EVALUATION METHOD OF GROUND WATER PERMEABILITY
To comprehensively evaluate water permeability in a two-dimensional area in a ground.SOLUTION: An evaluation method of water permeability of a ground 100 comprises: first step S1 of maintaining water level in a pumping well 2 to a measured water level W2b; second step S2 of obtaining a convergence water level W3b regarding water level change in a water level measurement well 3 after start of the first step S1; third step S3 of obtaining a convergence water level W4b regarding water level change in a water level measurement well 4 after start of the first step S1 and together with the second step S2; and fourth step S4 of obtaining permeability coefficient ratio (Kh/Kv) using a graph exhibiting relationship between the convergence water levels W3b, W4b and permeability coefficient ratio (Kh/Kv) evaluating water permeability of the ground 100.SELECTED DRAWING: Figure 1
【課題】地盤における二次元的な領域の透水性を総合的に評価する。【解決手段】地盤１００の透水性を評価する方法は、揚水井戸２の水位を計測水位Ｗ２ｂに維持する第１工程Ｓ１と、第１工程Ｓ１の開始後に水位観測井戸３の水位変化に関する収束水位Ｗ３ｂを得る第２工程Ｓ２と、第１工程Ｓ１の開始後であって第２工程Ｓ２と並行して、水位観測井戸４の水位変化に関する収束水位Ｗ４ｂを得る第３工程Ｓ３と、収束水位Ｗ３ｂ、Ｗ４ｂと地盤１００の透水性を評価する透水係数比（Ｋｈ／Ｋｖ）との関係を示すグラフを用いて、透水係数比（Ｋｈ／Ｋｖ）を得る第４工程Ｓ４と、を有する。【選択図】図１
EVALUATION METHOD OF GROUND WATER PERMEABILITY
To comprehensively evaluate water permeability in a two-dimensional area in a ground.SOLUTION: An evaluation method of water permeability of a ground 100 comprises: first step S1 of maintaining water level in a pumping well 2 to a measured water level W2b; second step S2 of obtaining a convergence water level W3b regarding water level change in a water level measurement well 3 after start of the first step S1; third step S3 of obtaining a convergence water level W4b regarding water level change in a water level measurement well 4 after start of the first step S1 and together with the second step S2; and fourth step S4 of obtaining permeability coefficient ratio (Kh/Kv) using a graph exhibiting relationship between the convergence water levels W3b, W4b and permeability coefficient ratio (Kh/Kv) evaluating water permeability of the ground 100.SELECTED DRAWING: Figure 1
【課題】地盤における二次元的な領域の透水性を総合的に評価する。【解決手段】地盤１００の透水性を評価する方法は、揚水井戸２の水位を計測水位Ｗ２ｂに維持する第１工程Ｓ１と、第１工程Ｓ１の開始後に水位観測井戸３の水位変化に関する収束水位Ｗ３ｂを得る第２工程Ｓ２と、第１工程Ｓ１の開始後であって第２工程Ｓ２と並行して、水位観測井戸４の水位変化に関する収束水位Ｗ４ｂを得る第３工程Ｓ３と、収束水位Ｗ３ｂ、Ｗ４ｂと地盤１００の透水性を評価する透水係数比（Ｋｈ／Ｋｖ）との関係を示すグラフを用いて、透水係数比（Ｋｈ／Ｋｖ）を得る第４工程Ｓ４と、を有する。【選択図】図１
EVALUATION METHOD OF GROUND WATER PERMEABILITY
地盤の透水性を評価する方法
SHINOHARA SATOSHI (author) / ITO KEIJIRO (author) / KAWAI TATSUJI (author) / SAKAI MANABU (author)
2019-10-10
Patent
Electronic Resource
Japanese
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