【特別講演】
原子力災害と放射線リスク;チェルノブイリと福島の経験から
山下 俊一··············································································································································· 1
【 1. 廃棄物地盤 】
1-1 豊島廃棄物等処分地における電磁法探査による埋設ドラム缶の検出について
山中 稔・小城 祐樹・八村 智明・池内 正行························································································ 5
1-2 ドローン撮影画像のSfM解析を用いた除染仮置場キャッピングの破損危険部の推定に関する研究
中山 裕文・木村 恭之・島岡 隆行・古田 竜一・日浦 一朗・木村 晃・宮原 哲也····························· 13
1-3 雑草類が混入した土壌からの水質汚濁成分等の流出挙動に関するライシメーター試験
遠藤 和人············································································································································· 21
1-4 一般廃棄物焼却残渣固化式処分場の地震時挙動に関する研究
三反畑 勇・浦野 和彦・弘末 文紀・秋田 宏行・青木 貴均・西尾 竜文・島岡 隆行・小宮 哲平・中山 裕文······································································································································································· 27
1-5 最終処分場における斜面問題の考え方に関する一考察
大野 博之・磯部 有作・稲垣 秀輝······································································································ 35
1-6 配向角の異なる軟プラスティック混合土のせん断特性と内部構造観察
高井 敦史・義経 浩平・乾 徹・勝見 武······························································································ 41
【 2. 有効活用(1)】
2-1 アスファルト廃材の地盤材料としての性質
佐藤 厚子・横浜 勝司·························································································································· 47
2-2 アスファルト廃材の混合による砂質土の繰返し強度向上に関する研究
横浜 勝司・佐藤 厚子·························································································································· 53
2-3 廃ガラス再生砂礫およびその混合土の物理・力学特性について
日置 和昭・橋本 篤・服部 健太・中岡 明・山本 剛一······································································· 59
2-4 災害廃棄物・津波堆積物を想定した砂・粘土混合土砂の物性把握と有効利用への提案
中野 正樹・酒井 崇之・神野 琢真・池上 浩樹··················································································· 65
2-5 廃石膏ボードの再資源化のためのしらすを用いたフッ素除去・不溶化方法の検討
福永 隆之・杉元 良成・酒匂 一成・三原 めぐみ・池田 正利・武若 耕司········································· 71
2-6 地盤材料として利用する副産物の有効活用推進に向けた課題と展望
肴倉 宏史・加藤 雅彦・隅倉 光博······································································································ 77
【 3. 有効活用(2)】
3-1 火山灰質土の土壌熱伝導率に関する考察
鍋島 康之・JIN YEE CHENG·············································································································· 85
3-2 阪神高速大和川線シールド工事における「建設汚泥」統合管理システムの開発・運営と埋立用資材としての活用事例
山名 宗之・河村 勝・富澤 康雄・稲垣 学武・水田 和真・上原 浩二・水野 克己・浜野 廣美・勝見 武・
嘉門 雅史············································································································································ 91
3-3 地下水の排水および粘土の脱水効果を高める導水ホースの開発と適用
白石 幸基・大嶺 聖・杉本 知史・敷田 大輝······················································································· 97
3-4 機械脱水処理土で構築した盛土の地盤工学的特性
國田 淳・樋口 晃・久賀 圭介・山本 修司・王丸冬二・大石 幹太・加藤 卓彦・片桐 雅明············· 101
3-5 浚渫土砂ブロックの材料特性と道路構造設計
笠間 清伸・善 功企・平澤 充成・古川 全太郎・八尋 裕一・中道 正人・山口 誠・久賀 圭介・片桐 雅明・
長野 敏之·········································································································································· 107
3-6 一般廃棄物焼却残渣固化式処分地盤における吸湿・潮解に伴う物質移動及び孔隙変化に関する研究
小宮 哲平・村川 大亮・島岡 隆行・弘末 文紀・秋田 宏行・青木 貴均・中山 裕文························ 111
【 4. 処分場 】
4-1 管理型海面処分場埋立時の対策による保有水のpH上昇抑制効果
山崎 智弘・ヘム ラムラヴ・角田 紘子······························································································ 119
4-2 管理型海面廃棄物処分場の遮水基盤を貫通する杭を施工する際の廃棄物の連込み
喜古 真次・平尾 隆行・菊池 喜昭・兵動 太一・神戸 泉慧・引地 宏陽・片岸 鴻太・並木 翔平・竹本 誠・松村 聡·············································································································································· 123
4-3 海面埋立処分場の遮水層保護を目的としたタイヤチップの有効利用に関する研究
磯部 有作・山本 秀平・相原 拓哉・佐藤 研一・藤川 拓朗・古賀 千佳嗣・八村 智明・永岡 修一· 131
4-4 海面処分場の早期廃止技術としての厚覆土と面集水層の適用性
前田 直也・東原 純・遠藤 和人・清水 伸一郎・嘉門 雅史······························································ 135
4-5 埋設排水材の目詰まり評価のための不飽和条件における土粒子浸食に関する考察
竹崎 聡・遠藤 和人・勝見 武············································································································ 141
4-6 各種土質材料の放射線遮蔽性能に関する実験的研究
那須 郁香・吉川 絵麻・小峯 秀雄・後藤 茂・新井 靖典・氏家 伸介・吉村 貢······························· 145
【 5. 焼却灰・石炭灰 】
5-1 乾湿繰返し試験を用いた低強度石炭灰混合材料の耐久性評価手法の提案
池田 哲朗・佐藤 研一・藤川 拓朗・古賀 千佳嗣·············································································· 151
5-2 2種類の石炭灰混合材料の力学特性と耐久性に関する検討
豊永 麻依・佐藤 研一・藤川 拓朗・古賀 千佳嗣·············································································· 155
5-3 エージング石炭灰からの重金属類溶出特性
村田 博一・浅田 素之・川口 正人····································································································· 161
5-4 重金属類を含む焼却主灰造粒固化物の長期安定性評価に関する検討
佐藤 毅・川端 淳一・河合 達司・久田 真・皆川 浩········································································· 169
5-5 一般廃棄物焼却灰を有効利用した道路路盤材の長期安定性
平尾 孝典・内田 敏仁・島岡 隆行····································································································· 173
5-6 焼却主灰のオンサイト安定化促進処理と土木資材化の検討
久保田 洋・繁泉 恒河・増田 圭司・山田 裕己・野口 俊太郎・藤川 拓朗・古賀 千佳嗣・佐藤 研一········································································································································································· 177
【 6. スラグ 】
6-1 ジオグリッド補強土壁に対するクリンカアッシュの適用性に関する実験的検討
内川 浩樹・鈴木 素之・野村 和樹・及川 隆仁・中本 健二・松尾 暢·············································· 183
6-2 フェロニッケルスラグ混合土の強度・変形特性
福味 尊・佐藤 研一・藤川 拓朗・古賀 千佳嗣················································································· 189
6-3 自然砂混合した高炉水砕スラグの強度特性
坂田 智美・安福 規之・石藏 良平····································································································· 193
6-4 製鋼スラグを混合した木くずの地盤材料としての特性
吉川 友孝・菊池 喜昭・兵動 太一・黒岩 祐介・田中 志和······························································ 199
6-5 製鋼スラグと砕石副産物の混合によるアスファルト廃材の強度改善方法の検討
茂木 大馬・末次 大輔・林 重徳········································································································ 205
6-6 粘性土を用いた転炉スラグ混合土のせん断および膨張特性に及ぼす配合条件の影響
山中 光一・峯岸 邦夫・吉澤 千秋····································································································· 209
【 7. 有機質材料 】
7-1 間伐材や林地残材などの未利用木質破砕材を活用した新しい木質舗装の特徴とその評価
吉村 優治・遠藤 一美・笹田 哲夫・長田 剛和・河村 邦基······························································ 213
7-2 北海道北部の泥炭地盤における建設発生土のエネルギー資源としての活用とリサイクルモデルの提案
荒牧 憲隆・A.K.M. Badrul Alam・玉村 修司・上野 晃生・村上 拓馬・玉澤 聡・金子 勝比古········ 221
7-3 東日本大震災で発生した津波堆積物の分別土砂中の夾雑物混入率に関する文献調査
鴇田 稔・野口 真一・中村 吉男・中野 正樹・加藤 雅彦·································································· 229
7-4 強制腐朽をさせた竹チップ混合固化処理土の物理・力学特性
古賀 千佳嗣・佐藤 研一・藤川 拓朗・米丸 佳克・村尾 勇成··························································· 237
7-5 粘土特性の違いに着目した解きほぐし竹チップ混合土の締固め力学特性
村尾 勇成・佐藤 研一・藤川 拓朗・古賀 千佳嗣・米丸 佳克··························································· 241
7-6 Evaluation to the Environmental Aspect of Bamboo Leaf Ash Addition in Cemented Bamboo Chips-Sand Soil Mixture
Sito Ismanti・Noriyuki Yasufuku········································································································ 245
【 8. 不溶化 】
8-1 使用済Mg系吸着材に及ぼす溶液pHの影響-亜ヒ酸及びヒ酸の溶出挙動について
杉田 創・小熊 輝美・張 銘・原 淳子・川辺 能成・高橋 伸也························································· 253
8-2 自然由来でヒ素を含有・溶出して酸性化リスクのあるトンネル掘削土砂に対する酸化マグネシウム系材料を用いた酸性化対策・ヒ素不溶化処理に関する検討
大山 将・松久 裕之··························································································································· 259
8-3 不溶化資材を添加した土壌中での溶存有機物複合態鉛の不溶化
山田 夏帆・加藤 雅彦························································································································ 265
8-4 重金属汚染土壌に対する鉱物学的考察に基づく不溶化材の高度化
稲積 真哉・稲澤 知洋・岡田 雄臣・中尾 晃輝················································································· 271
8-5 不溶化処理土の長期安定性に関する検討
松山 祐介・守屋 政彦························································································································ 277
8-6 バッチ試験による天然材料のヒ素・ホウ素の吸着性に関する一考察
田本 修一・倉橋 稔幸······················································································································ 285
【 9. 浄化技術 】
9-1 鉄粉と超電導磁気分離を使った土壌洗浄技術の開発とその実用化事例
伊藤 圭二郎・川端 淳一・伊藤 康則・仁木 丈文·············································································· 289
9-2 重金属用吸着鉄粉の耐久性評価
古田 智之・飯島 勝之・佐藤 明········································································································ 295
9-3 還元地盤による地下水中のヒ素吸着特性評価
佐藤 毅・伊藤 圭二郎・河合 達司····································································································· 299
9-4 酸性化する上総層群泥岩の中性化処理
林 泰弘・赤司 かがり・佐藤 市朗・田村 明・中道 和徳・長野 祐希・松尾 雄治··························· 303
9-5 気泡シールド工事から発生する気泡混合土の環境影響評価
三浦 俊彦・木村 志照・野田 泰史・足立 とう子・髙橋 宏和・保高 徹生······································· 309
9-6 生態系に配慮した河床堆積物(軟弱地盤)の地盤改良に関する検討
小澤 一喜・大橋 麻衣子・リン ブーン ケン・越川 義功・田中 真弓・小野 満・石川 典男・川端 淳一・
吉田 健一・鈴木 英彰······················································································································· 313
【 10. VOC・放射性物質 】
10-1 異なる粒状材料におけるVOC流体の残留挙動の評価
塩田 絵里加・椋木 俊文・Tinet Anne-Julie······················································································· 317
10-2 Migration of LNAPL when subject to cyclic groundwater fluctuation
Giancarlo Flores・Yoshiyuki Yamanaka・Takeshi Katsumi・Atsushi Takai········································ 325
10-3 室内土槽を用いた模擬油汚染地盤の非掘削浄化実験の浄化効率に関する研究
棚橋 秀行··········································································································································· 331
10-4 有機塩素系化合物による地盤汚染浄化に用いるバイオスティミュレーション工法の改良
伊藤 浩・虫明 晋哉・鶴岡 佑樹・篠田 功・高橋 優・小瀧 光生····················································· 339
10-5 油汚染土壌の酸素消費速度に着目したランドファーミングの高効率化
河村 大樹・佐々木 静郎・門倉 伸行・石森 洋行·············································································· 345
10-6 汚染土壌からの放射性物質の抽出・回収と減容化に関する研究
柴田 慶一郎・西岡 昌太・吉田 秀典・松本 直通・末永 慶寛··························································· 351
【 11. 物質の存在形態 】
11-1 自然由来汚染土壌に含まれるヒ素の化学形態の解明
板橋 智彦・小林 和樹・橋本 洋平・保高 徹生・上島 雅人・肴倉 宏史・細見 正明························ 357
11-2 顕微観察・結晶構造分析を駆使した汚染土壌中のヒ素の溶出挙動・形態変化の解明
上島 雅人・肴倉 宏史・橋本 洋平・保高 徹生・細見 正明······························································ 363
11-3 石灰岩の形成過程で見られる微細なネットワーク構造のSEM画像解析
大城 勇人・廣瀨 孝三郎・松原 仁····································································································· 369
11-4 自然由来重金属等含有土の仮置き時を想定したCO2曝露による不溶化における炭酸塩生成の可能性
江原 佳奈・小峯 秀雄・井上 陽介・夛賀 都・阪本 廣行・龍原 毅·················································· 373
11-5 第四紀琉球層群に見られる特徴的な侵食形態とその物理学的・化学的特徴
﨑山 浩考・廣瀨 孝三郎・岩崎 竜馬・松原 仁················································································· 377
11-6 砂岩表面に見られる微生物による剥離状風化とその特徴
岩崎 竜馬・廣瀨 孝三郎・﨑山 浩考・松原 仁················································································· 383
【 12. 植生と浄化 】
12-1 産業廃棄物を有効活用した新たな環境に優しい藻場基盤材の開発
山本 健太郎・根上 武仁・溝口 直敏・平 瑞樹・田中 龍児······························································ 387
12-2 緑化土質材料の地盤環境がモンゴル乾燥地における薬用植物「カンゾウ」の生存に与える影響の重回帰分析
古川 全太郎・笠間 清伸・安福 規之・大嶺 聖・丸居 篤・Indree Tuvsintogtokh・Bayart Mandakh 395
12-3 上面ひも吸水による節水型潅水方法と塩害・緑化対策への適用
大嶺 聖・杉本 知史・古賀 敬大········································································································ 399
12-4 二次元型植生実験による効率的な六価クロム汚染土壌浄化に関する検討
森元 友紀・古川 全太郎・笠間 清伸・八尋 裕一·············································································· 403
12-5 屋外歩行施設の土系舗装に繁茂する雑草の要因分析
鬼塚 信弘・小川 維・多田 悟士········································································································ 407
12-6 電磁探査と地中レーダー探査による間隙水イオン濃度の広域的測定手法
山本 清仁・小林 晃・原科 幸爾・倉島 栄一・武藤 由子・塚田 泰博··············································· 411
【 13. 特性評価(1)】
13-1 上向流カラム通水試験と散水型カラム浸透試験による自然由来ヒ素を含む堆積物の溶出挙動の評価
乾 徹・Rasyid Pratama Indra・篠原 智志・高井 敦史・勝見 武······················································ 419
13-2 異なるカラム試験条件を利用した土壌からの無機物質等溶出機構の判別
井本 由香利・保高 徹生···················································································································· 425
13-3 津波堆積物を想定した河川及び海底堆積物の拡散溶出特性の評価
眞鍋 磨弥・肴倉 宏史・鈴木 隆央・勝見 武・乾 徹・高井 敦史····················································· 431
13-4 地域特性による模擬津波堆積物を用いたヒ素等重金属類の吸着特性と潜在的危険保有量の推定
谷川 元治・加藤 雅彦························································································································ 439
13-5 大阪平野における沖積粘土の自然由来重金属類の含有状況とその地球化学的特徴
伊藤 浩子・益田 晴恵・大島 昭彦・北田 奈緒子・藤原 照幸··························································· 443
13-6 2016年熊本地震による熊本地下水環境変化
福田 光治··········································································································································· 449
【 14. 特性評価(2)】
14-1 岩石中の重金属等の存在形態に着目した分析事例
橋本 綾佳・佐藤 明・五十嵐 敏文····································································································· 457
14-2 自然由来ヒ素を含む掘削岩・土砂中のヒ素形態とヒ素溶脱量との関係
鈴木 奨士・加藤 雅彦························································································································ 461
14-3 堆積環境が異なる海成泥岩からのヒ素溶出機構の解明
鎌田 明秀・三浦 俊彦・日笠山 徹巳・加藤 雅彦·············································································· 467
14-4 土壌中での重金属類の挙動予測
山田 優子・平山 利晶························································································································ 473
14-5 移流反応拡散系理論に基づいた3次元陥没孔形成シミュレータの開発
川上 凌梧・松原 仁··························································································································· 477
14-6 地盤環境工学分野における溶出試験の活用と課題-判定試験としてのバッチ試験の課題整理-
渡邊 保貴・保高 徹生・井本 由香利・川村 功一・宮口 新治・隅倉 光博・肴倉 宏史・水谷 聡・平田 桂・
地盤環境社会実装委員会試験法ワーキンググループ·········································································· 481
【 15. 地盤改良 】
15-1 セメント処理土を用いた砂防構造物建設に関する基礎的研究
松井 宗廣・福井 健太郎・佐藤 文雄・今井 一之・原田 哲夫・蒋 宇静··········································· 489
15-2 土質安定処理を施した国頭マージの締固め特性および再流出抑制効果の検討
林 泰弘・大坪 雅・藤 龍一・百瀬 裕元・大城 康一・松川 準・山岡 礼三・松尾 雄治·················· 495
15-3 回転式破砕混合工法を用いた低品質な建設発生土の改良手法の検討‐締固めエネルギー及び仮置き期間が解きほぐし締固め土の強度・変形特性に及ぼす影響について‐
近松 周平・中島 典昭・佐藤 研一・藤川 拓朗・古賀 千佳嗣··························································· 501
15-4 セルロースを主成分とする微細粉体による高含水泥土の力学特性変化
澤村 康生・矢野 隆夫・相原 恵一・西浦 正幸・木村 亮·································································· 505
15-5 高圧脱水固化処理した関門粘土の脱水特性および強度特性
豊里 亮喜・笠間 清伸・古川 全太郎・八尋 裕一·············································································· 511
15-6 短繊維を混合し安定処理した火山灰質粘性土の強度改善効果とその評価
工藤 宗治・安福 規之・石藏 良平・大嶺 聖····················································································· 515
【 16. ベントナイト(1)】
16-1 砂層をベントナイト層で挟み込む三層遮水構造における吸水メカニズムおよび吸水量の水分拡散係数を用いた評価
尾﨑 匠・小峯 秀雄・山本 修一・浦田 智仁····················································································· 521
16-2 廃棄物処分施設におけるGCL敷設技術に関する施工的研究
熊谷 浩二・清水 敬三・大塔 泰正・森本 唯之・新井 斉·································································· 525
16-3 JIS規格がない製品ベントナイトに対する相対的な品質評価(モンモリロナイト含有量による絶対的な品質評価から派生するリスク)
水野 克己··········································································································································· 529
16-4 砂・Ca型ベントナイト混合土の製造法の違いによる粒状体形成と締固め性に関する考察
篠崎 由梨・小峯 秀雄・千々松 正和・山田 淳夫·············································································· 537
16-5 地盤の杭引抜孔を対象としたセメントベントナイト系充填材の適用性
橋本 功・桑原 秀一・内田 幸生・江口 忠臣・穂積 真哉·································································· 541
16-6 ベントナイト原鉱石の膨潤特性・透水係数の測定結果に基づく膠結作用による物理特性への影響評価
伊藤 大知・小峯 秀雄・諸留 章二・関口 高志・三浦 玄太······························································ 547
【 17. ベントナイト(2)】
17-1 締固めた堆積軟岩の一次元膨潤変形特性に与える空気間隙率とモンモリロナイト含有率の影響
石塚 光・小峯 秀雄・磯 さち恵········································································································ 553
17-2 水質の違いによるベントナイトの膨潤特性
市川 希・金澤 伸一・林 久資・石山 宏二・飯塚 敦········································································· 557
17-3 塩化鉄水溶液および塩化銅水溶液がベントナイトの膨潤圧特性に与える影響
新納 格・井上 博之・吉田 武・井上 俊・掛水 颯太・福井 克也・平山 政義·································· 561
17-4 地層処分施設内における温度・密度・飽和度を考慮したベントナイト緩衝材の力学特性
武藤 尚樹・金澤 伸一・林 久資・石山 宏二・飯塚 敦····································································· 567
17-5 水分量の変化に伴うベントナイトの工学的特性への影響
西村 友良・佐藤 伸··························································································································· 571
17-6 ベントナイトによる盛土浸透水低減および織布等による水みち解消を組合せたハイブリッド吸着層工法に関する基礎的検討
龍原 毅・溝渕 健一郎・水野 正之・正田 武則················································································· 575