@phdthesis{oai:sucra.repo.nii.ac.jp:00010333,
 author = {今井, 久},
 month = {},
 note = {ix, 135p, 1. 序章...........................................................................................................................................................1
1.1 研究の背景.........................................................................................................................................1
1.2 研究の目的.........................................................................................................................................2
1.2.1 テーマ1.......................................................................................................................................3
1.2.2 テーマ2........................................................................................................................................3
1.2.3 テーマ3........................................................................................................................................3
1.2.4 テーマ4........................................................................................................................................3
1.3 本論文の構成.....................................................................................................................................4
2. 地下水流動特性と浸透流解析................................................................................................................6
2.1 地下水の存在形態.............................................................................................................................6
2.2 飽和と不飽和.....................................................................................................................................8
2.3 浸透流の支配方程式.........................................................................................................................9
2.3.1 水頭の表示...................................................................................................................................9
2.3.2 ダルシーの法則.........................................................................................................................10
2.3.3 Darcy 流速と実際の地下水流速...............................................................................................11
2.3.4 透水異方性.................................................................................................................................12
2.3.5 連続の式（質量保存則）.........................................................................................................14
2.3.6 地下水流動の支配方程式.........................................................................................................16
2.4 浸透パラメータ...............................................................................................................................18
2.4.1 透水係数.....................................................................................................................................18
2.4.2 比貯留係数.................................................................................................................................20
2.4.3 不飽和浸透パラメータ.............................................................................................................23
2.5 飽和・不飽和浸透流の有限要素法による定式化........................................................................25
2.5.1 ガレルキン法を用いた有限要素法による定式化.................................................................25
2.5.2 要素マトリクス成分の計算.....................................................................................................27
2.5.3 時間項の取り扱いと繰り返し（収束）計算.........................................................................28
2.5.4 全体マトリクスの作成.............................................................................................................30
2.6 第2 章のまとめ...............................................................................................................................31
3. 不確定な境界条件設定方法の研究......................................................................................................32
3.1 境界条件...........................................................................................................................................32
3.2 境界条件設定の課題.......................................................................................................................33
3.3 掘削切羽の進展により解析モデルの要素や節点が除去される場合........................................33
3.3.1 切羽進展に伴う境界条件設定の課題.....................................................................................33
3.4 蒸発量を考慮した地下空洞壁面の境界条件設定方法................................................................35
3.4.1 地下空洞周辺に設定される境界条件とその課題.................................................................35
3.4.2 空洞への地下水流出量と蒸発量.............................................................................................36
3.4.3 解析事例.....................................................................................................................................38
3.5 涵養量を考慮した広域地下水位流動表面の境界条件設定方法................................................43
3.6 第3 章のまとめ...............................................................................................................................51
4. 岩盤の不飽和浸透パラメータ測定方法の研究..................................................................................52
4.1 研究の構成.......................................................................................................................................52
4.2 人工地盤試験における不飽和特性の評価....................................................................................52
4.2.1 試験の目的背景.........................................................................................................................52
4.2.2 試験概要...................................................................................................................................53
4.2.3 測定値からの体積含水率の推定方法.....................................................................................57
4.2.4 計測結果.....................................................................................................................................57
4.2.5 浸透流解析.................................................................................................................................63
4.2.6 本節のまとめ.............................................................................................................................66
4.3 岩盤の不飽和浸透パラメータ測定方法........................................................................................66
4.3.1 はじめに.....................................................................................................................................66
4.3.2 岩石の不飽和パラメータ.........................................................................................................66
4.3.3 本節のまとめ.............................................................................................................................77
4.4 第4 章のまとめ...............................................................................................................................80
5. 浸透流解析から地盤の沈下量を評価する解析システムの研究......................................................81
5.1 沈下量評価システム.......................................................................................................................81
5.1.1 システム概要.............................................................................................................................81
5.1.2 沈下量算定手法.........................................................................................................................82
5.1.3 沈下量算定表計算ファイル.....................................................................................................83
5.2 沈下量算定システムの作動確認...................................................................................................84
5.3 適用サイトの概要...........................................................................................................................85
5.3.1 工事概要.....................................................................................................................................85
5.3.2 地質.............................................................................................................................................85
5.3.3 本工事で必要な対策検討課題.................................................................................................87
5.4 対策工の検討...................................................................................................................................87
5.4.1 対策工.........................................................................................................................................87
5.4.2 地盤沈下量推定結果.................................................................................................................87
5.5 計測値とシミュレーション結果...................................................................................................88
5.5.1 揚水・注水実績.........................................................................................................................89
5.5.2 計測値とシミュレーション.....................................................................................................89
5.6 第5 章のまとめ...............................................................................................................................93
6. 長期地質環境変遷に対応した広域地下水流動解析方法の研究......................................................95
6.1 立坑掘削影響試験への浸透流解析の適用....................................................................................95
6.1.1 立坑掘削影響試験の概要.........................................................................................................95
6.1.2 水理地質構造の概要.................................................................................................................97
6.1.3 モデル化...................................................................................................................................100
6.1.4 解析結果...................................................................................................................................104
6.1.5 解析と実測...............................................................................................................................107
6.1.6 本節のまとめ...........................................................................................................................113
6.2 地質環境の長期的変遷を考慮した地下水流動解析方法の開発..............................................115
6.2.1 地形・地質構造の形状や物性の経時変化を連続的に解析できる手法の概要................115
6.2.2 解析事例...................................................................................................................................120
6.2.3 本節のまとめ（開発したシステムSMS のまとめ）.........................................................125
6.3 第6 章のまとめ.............................................................................................................................127
7. 結論.......................................................................................................................................................128
謝辞
参考文献, 主指導教員 : 渡辺邦夫, text, application/pdf},
 school = {埼玉大学},
 title = {流れ場が変化する地盤浸透流の解析方法に関する研究},
 year = {2014},
 yomi = {イマイ, ヒサシ}
}