ジオシンセティックス論文集 第26巻(2011.12)
研究開発論文
ࢪ࢜ࢩࣥࢭࢸࢵࢡࢫࢆ⏝࠸ࡓ
Ỉᇦίࣇ࢙ࣥࢫࡢ㛤Ⓨ
ᱵᓮኵ
1࣭Ἑᮧ 㝯
2࣭す⏣࿃
3࣭▼ᝅ
4࣭ቃ Ꮫ
5 ከᵝ࡞Ỉᇦ࠾ࡅࡿỈ㉁ίᑐ⟇ࡋ࡚㸪ᕤᛶ㐺⏝ᛶࢆ⪃៖ࡋࡓỈᇦίࣇ࢙ࣥࢫࢆ㛤Ⓨࡋ㸪ࡑࡢ≉ᚩ㸪 ຠᯝ࠾ࡼࡧ㐺⏝ࢆ♧ࡋࡓ㸬ᕤᛶ࠾ࡼࡧ᭷ຠᛶࡘ࠸᳨࡚ドࡍࡿࡓࡵ㸪㛗㔝┴ㄶゼᕷࡢ㧗ᓥᇛ࠾ᇼ࠾࠸ ࡚㸪ίࡋ࡚ኳ↛ࢮ࢜ࣛࢺࢆ⏝࠸ࡓヨ㦂ᕤࢆᐇࡋࡓ㸬ࡑࡢ⤖ᯝ㸪▷㛫࡛ᕤྍ⬟࡛࠶ࡾ㸪Ỉᇦί ࣇ࢙ࣥࢫෆእࡢ㐺ᙜ࡞Ỉᚠ⎔ࡢಖᣢ㸪㏱どᗘ⃮ᗘࡢྥୖ㸪ኳ↛ࢮ࢜ࣛࢺࡢ❅⣲ࡢ྾╔ࡀ☜ㄆࡉࢀࡓ㸬 ࣮࣮࢟࣡ࢻ㸸Ỉ㉁ί㸪ࢩࣝࢺࣇ࢙ࣥࢫ㸪㏱Ỉᛶ㸪ኳ↛ࢮ࢜ࣛࢺ 㸯㸬ࡣࡌࡵ †࡞ࡢ㛢㙐ᛶỈᇦ࡛ࡣ㸪ᐩᰤ㣴ࡼࡿỈ㉁ở ⃮ࡸᝏ⮯ࡢⓎ⏕࡞ࡀၥ㢟࡞ࡗ࡚࠸ࡿ㸬ࡲࡓ㸪Ἑᕝࡸ ‴࡞࡛ࡣ㸪Ꮫ≀㉁➼ࡼࡿỈ㉁ởᰁ࡞ࡶᗘࠎ⏕ ࡌ࡚࠸ࡿ㸬 ᱵᓮࡽ 1), 2)ࡣ㸪ᅗ(a)♧ࡍࡼ࠺㸪†࡞ࡢ㛢㙐 ᛶỈᇦࡢἢᓊᇦ࠾ࡅࡿᅖ⧑ሐࡼࡿỈ㉁ίᑐ⟇ࢆᥦ ࡋ࡚࠸ࡿ㸬⏕άࡼࡾᐦ╔ࡋࡓἢᓊᇦᑐ㇟⠊ᅖࢆ༊ ษࡿࡇࡼࡾ㸪ᕤࢥࢫࢺࡸίࡢ⏝㔞ࢆᖜ ๐ῶࡍࡿࡶࡢ࡛࠶ࡿ㸬ㄶゼ†࠾࠸࡚㸪ίࡋ࡚ኳ ↛ࢮ࢜ࣛࢺ 3)㸦ᅗ㸧ࢆሸࡋࡓᆺᅵᄞࡼࡿᅖ⧑ ሐࢆᕤࡋ㸪Ỉ㉁ίᐇドᐇ㦂ࢆᐇࡋࡓ㸦ᅗ(b)㸪 (c)㸧㸬ࡑࡢ⤖ᯝ㸪ሐෆእࡢ༑ศ࡞Ỉᚠ⎔ࢆ☜ಖࡍࡿࡇ ࡼࡾ㸪ኳ↛ࢮ࢜ࣛࢺࡢ྾╔ຠᯝ࠾ࡼࡧᅵᄞ⾲㠃⏕ ᡂࡉࢀࡓ⏕≀⭷ࡢຠᯝࡼࡾỈ୰ࡢ❅⣲࠾ࡼࡧࣜࣥࡀῶ ᑡࡋ㸪ሐෆࡢ࢜ࢥࡢⓎ⏕ࢆ㜵ࡂ㏱どᗘࡀྥୖࡍࡿࡇ ࢆ♧ࡋࡓ㸬 ᮏᩥࡣ㸪ᕤᛶࡀ㧗ࡃከᵝ࡞Ỉᇦ㐺⏝࡛ࡁࡿỈᇦ ίࣇ࢙ࣥࢫࡢ㛤Ⓨࡘ࠸࡚ㄽࡌࡓࡶࡢ࡛࠶ࡿ㸬ࡲࡎ㸪 ࡑࡢ≉ᚩ㸪ຠᯝ࠾ࡼࡧ㐺⏝ࢆ♧ࡍ㸬ḟ㸪㛗㔝┴ㄶゼ ᕷࡢ㧗ᓥᇛ࠾ᇼ࠾࠸࡚㸪ίࡋ࡚ኳ↛ࢮ࢜ࣛࢺ ࢆ⏝࠸ࡓヨ㦂ᕤࢆᐇࡋ㸪ࡑࡢ⤖ᯝᇶ࡙࠸࡚㸪Ỉᇦ ίࣇ࢙ࣥࢫࡢᕤᛶ࠾ࡼࡧ᭷ຠᛶࡘ࠸᳨࡚ドࡍࡿ㸬 㸰㸬᪂ࡓ㛤ⓎࡋࡓỈᇦίࣇ࢙ࣥࢫ ᴫせ≉ᚩ ᅗ(a)㹼(c)Ỉᇦίࣇ࢙ࣥࢫࡢ୍ࢆ♧ࡍ㸬ᅗ(a) ࡣ㸪ࢩࣝࢺࣇ࢙ࣥࢫίࢆሸࡋࡓ⿄ࢆタ⨨ࡋࡓࡶ ࡢ࡛࠶ࡿ㸬Ỉᇦίࣇ࢙ࣥࢫࡣࣇ࣮ࣟࢺࡀタ⨨ࡉࢀ࡚ ࠾ࡾ㸪Ỉ῝ᛂࡌࡓ㛗ࡉࡢࣇ࢙ࣥࢫࢆᶓ᪉ྥ㐃⤖ࡍࡿ (a)†࡞ࡢἢᓊᇦ࠾ࡅࡿỈ㉁ίᑐ⟇ࡢᕤ࣓࣮ࢪ (b) ㄶゼ†࠾ࡅࡿᐇドᐇ㦂ࡢ᩿㠃ᅗ (c)ㄶゼ†࠾ࡅࡿᐇドᐇ㦂タ1), 2) ᅗ †࡞ࡢἢᓊᇦ࠾ࡅࡿᅖ⧑ሐࡼࡿỈ㉁ίᑐ⟇ (a)⇱㸦1㹼3mm㸧 (b)Ỉᾐ (c)㟁Ꮚ㢧ᚤ㙾┿3) ᅗ ኳ↛ࢮ࢜ࣛࢺ 1ṇဨ䠈ಙᕞᏛᕤᏛ㒊㻌 ᅵᮌᕤᏛ⛉䠈ᩍᤵ䠄䛈380-8553 㛗㔝ᕷⱝ㔛4-17-1䠅 2ṇဨ䠈ಙᕞᏛᕤᏛ㒊㻌 ᅵᮌᕤᏛ⛉䠈ຓᩍ䠄䛈380-8553 㛗㔝ᕷⱝ㔛4-17-1䠅 3୍⯡♫ᅋἲே䜾䝸䞊䞁䝕䜱䞊䝹᥎㐍༠䠄䛈133-0051㻌 ᮾி㒔Ụᡞᕝ༊ᑠᒾ5-18-9䠅 4᪫ᡂ䝆䜸䝔䝑䜽ᰴᘧ♫䠄䛈103-0014 ᮾி㒔୰ኸ༊᪥ᮏᶫ⺰Ẇ⏫1-39-5䠅 5୕㔠ᒓ㈨※㛤Ⓨᰴᘧ♫䠄䛈141-0032㻌 ᮾி㒔ရᕝ༊ᓮ1-11-1䠅ࡇࡼࡾ㸪ίᑐ㇟⠊ᅖࢆ⮬⏤タᐃࡍࡿࡇࡀྍ⬟ ࡛࠶ࡿ㸬ࡲࡓ㸪ከᵝ࡞ίࢆሸ࡛ࡁࡿίࣘࢽࢵࢺ 㸦ᅗ(b)㸧ࢆᅗ(c)ࡢࡼ࠺⤖᮰ࣂࣥࢻ࡞ࡼࡗ࡚㐃 ⤖ࡋ࡚⏝࠸ࡿࡇࡶྍ⬟࡛࠶ࡿ㸬Ỉᇦίࣇ࢙ࣥࢫࡢ≉ ᚩࡣ௨ୗࡢ㏻ࡾ࡛࠶ࡿ㸬 1) 㐽Ỉࢩ࣮ࢺ㸪⧊ᕸ㸪⧊ᕸ㸪ࢿࢵࢺ࡞ࡢࡼ࠺㏱ Ỉᛶࡢ␗࡞ࡿࢩ࣮ࢺࢆ⮬⏤タᐃࡍࡿࡇࡼࡾὶ 㔞ࢆㄪᩚࡋ㸪ℐ㐣ᛶ⬟㸪㏱Ỉᛶࢆᑐ㇟⠊ᅖࡢỈ㉁ࡸ ┠ⓗᛂࡌ࡚タᐃࡍࡿࡇࡀྍ⬟࡛࠶ࡿ㸦ᅗ㸧㸬 2) ί㸦ࢮ࢜ࣛࢺ㸪άᛶⅣ㸪Ꮫ≀㉁㸪࢝࢟Ẇ㸪 Ἔ྾╔㸪ᚤ⏕≀ᢸయ࡞㸧ࡢ✀㢮ࢆᑐ㇟⠊ᅖࡢ᭷ ᐖ≀㉁㸦ᨺᑕᛶ≀㉁㸪㔜㔠ᒓ㸪᭷ᶵ⁐㸪Ἔศ㸪ᾋ 㐟≀㉁㸪࢜ࢥᑐ⟇ࡢࡓࡵࡢᰤ㣴ሷ㢮㸦❅⣲㸪ࣜࣥ ࡞㸧㸪㉥₻ࡢື≀ࣉࣛࣥࢡࢺࣥ࡞㸧ᛂࡌ࡚⮬ ⏤タᐃࡍࡿࡇࡀྍ⬟࡛࠶ࡿ㸦ᅗ㸧㸬 3) ίࢆ⿄ሸࡋࡓίࣘࢽࢵࢺࢆ⏝࠸ࢀࡤ㸪ở ⃮ࡸởᰁࡢ≧ἣᛂࡌ࡚ίࡢ⏝㔞ࢆㄪᩚࡍࡿ ࡇࡀྍ⬟࡛࠶ࡾ㸪ίࡢᅇ࣭ྲྀࡾ᭰࠼ࡶᐜ᫆ ࡛࠶ࡿ㸦ᅗ㸧㸬 4) ίࣘࢽࢵࢺ⧊ᕸࡸ⧊ᕸ࡞ࢆ⏝࠸ࡓὶ㔞ㄪᩚ ࣘࢽࢵࢺࢆ⤌ࡳྜࢃࡏࡿࡇࡼࡾ㸪ὶ㏿ࡸỈ㉁ ᛂࡌ࡚⮬⏤࡞ᙧែࢆタᐃࡍࡿࡇࡀ࡛ࡁࡿ㸦ᅗ㸧㸬 5) ᅗ ♧ࡍࡼ࠺㸪Ỉ㠃ࡽỈᗏ㠃ࡲ࡛㖄┤タ⨨ ࡍࡿձ㐽᩿ᆺ㸪Ỉ㠃㏆ࡶࡋࡃࡣỈᗏ㏆㖄┤ タ⨨ࡍࡿղᾋ㐟ᆺ㸦ὸỈࢩ࣮ࢺ㸪῝Ỉࢩ࣮ࢺ㸧㸪Ỉ 㠃㏆ࡶࡋࡃࡣỈᗏỈᖹタ⨨ࡍࡿճሁ✚ᆺ㸦ὸ Ỉࢩ࣮ࢺ㸪Ỉᗏࢩ࣮ࢺ㸧㸪Ἑᕝࡸ㈓Ỉụ࡞ࡢㆤᓊ タ⨨ࡍࡿմㆤᓊᆺ࡞㸪タ⨨ᙧែࢆ⮬⏤タᐃࡍ ࡿࡇࡀྍ⬟࡛࠶ࡿ㸬 ຠᯝ㐺⏝ Ỉᇦίࣇ࢙ࣥࢫࡢຠᯝ㐺⏝ࡘ࠸࡚௨ୗ♧ ࡍ㸬 1) ձ㐽᩿ᆺ࠾ࡼࡧղᾋ㐟ᆺࡼࡗ࡚㸪Ἑᕝ㸪†ࡸᾏ ὒ࡞ࡢከᵝ࡞Ỉᇦࡢ᭷ᐖ≀㉁ࡢℐ㐣㸪ᣑᩓ࣭ὶධ 㜵Ṇ㸪྾╔㝖ཤࢆ⾜࠺㸦ᅗ㸧㸬 (a)Ỉᇦίࣇ࢙ࣥࢫ㸦㐽᩿ᆺ㸧ࡢ୍ (b) ίࣘࢽࢵࢺࡢ୍ (c) ίࣘࢽࢵࢺࢆ㐃⤖ࡋࡓỈᇦίࣇ࢙ࣥࢫࡢ୍ ᅗ Ỉᇦίࣇ࢙ࣥࢫࡢ୍ ᅗ Ỉᇦίࣇ࢙ࣥࢫ㸦㐽᩿ᆺ㸧ࡢᛂ⏝ ℐ㐣 ℐ㐣䝅䞊䝖 㐽Ỉ䝅䞊䝖 䝊䜸䝷䜲䝖 㼛㼞㻌྾╔ ྾╔ ྾╔ ሁ✚ ሁ✚ ྾╔ 㐽Ỉ ྾╔ ᭷ᐖ≀㉁ ℐ㐣䝅䞊䝖 㼛㼞 㐽Ỉ䝅䞊䝖 ྾╔ ྾╔ ྾╔ 䝣䝻䞊䝖 Ỉ୰䝣䝻䞊䝖 䐡ሁ✚ᆺ䠄ὸỈ䝅䞊䝖䠅 䐡ሁ✚ᆺ䠄Ỉᗏ䝅䞊䝖䠅 䐠ᾋ㐟ᆺ䠄ὸỈ䝅䞊䝖䠅 䐠ᾋ㐟ᆺ䠄῝Ỉ䝅䞊䝖䠅 ⁐ฟᢚไ 䐟㐽᩿ᆺ 䠄ℐ㐣䝅䞊䝖䠅 䐟㐽᩿ᆺ 䠄㐽Ỉ䝅䞊䝖䠅 䐢ㆤᓊᆺ ᅗ Ỉᇦίࣇ࢙ࣥࢫࡢタ⨨ᙧែ
2) †࡞ࡢἢᓊᇦࡢ㐺⏝㸦ᅗ(a)㸧࠾࠸࡚㸪ձ㐽 ᩿ᆺࡼࡾ㸪Ỉᚠ⎔ࢆಖᣢࡋ࡞ࡀࡽ㸪ᰤ㣴ሷ㢮࡞ ࡢ᭷ᐖ≀㉁ࡢ྾╔㝖ཤࢆ⾜࠺㸬ࡲࡓ㸪ղሁ✚ᆺ㸦Ỉ ᗏࢩ࣮ࢺ㸧ࡼࡾ㸪ᗏ㉁ࡽࡢᰤ㣴ሷ㢮ࡢ⁐ฟ࠾ࡼ ࡧᗏ㉁ࡢ᭷ᐖ≀㉁ࡢሁ✚ࡸᗏ㉁ࡢᕳࡁୖࡆࢆᢚไ ࡍࡿ㸬 3) Ἑᕝࡢ㐺⏝㸦ᅗ(b)㸧࠾࠸࡚㸪ճሁ✚ᆺ㸦Ỉᗏࢩ ࣮ࢺ㸧ࡼࡾ㸪Ỉ῝ࡀὸ࠸ሙྜ࠾࠸࡚ࡶሖࡁṆࡵ ࡿࡇ࡞ࡃ㸪ἙᕝỈྵࡲࢀࡿᰤ㣴ሷ㢮࡞ࡢ᭷ᐖ ≀㉁ࢆ྾╔㝖ཤࡍࡿ㸬ࡲࡓ㸪մㆤᓊᆺࡼࡾ㸪ὶධ ཱྀࡽࡢ᭷ᐖ≀㉁ࡢἙᕝࡢὶධࢆ㜵Ṇࡋ㸪ࡉࡽ㸪 ἙᕝỈྵࡲࢀࡿ᭷ᐖ≀㉁ࢆྲྀỈ྾╔㝖ཤࡍࡿ㸬 4) ίỈሙࡸࣉࣛࣥࢺㆤᓊࡢ㐺⏝㸦ᅗ(c)㸧࠾࠸࡚㸪 ճሁ✚ᆺ㸦ὸỈࢩ࣮ࢺ㸧ࡼࡾ㸪㝆㞵ྵࡲࢀࡿ୍ ⯡ⓗ࡞᭷ᐖ≀㉁ࡢ㸪ཎⓎᨾక࠺ᨺᑕᛶࢭࢩ ࣒࢘࡞ࢆ྾╔㝖ཤࡍࡿ㸬ࡲࡓ㸪մㆤᓊᆺࡼࡾ㸪 Ỉᇦࡢ᭷ᐖ≀㉁ࡢὶධࡸỈᇦࡽᆅୗỈࡢὶฟ ࢆᢚไࡍࡿ㸬 ኳ↛ࢮ࢜ࣛࢺࢆሸࡋࡓίࣘࢽࢵࢺ㸦ᅗ(b)㸧ࡣ㸪 ⚟ᓥ➨୍ཎⓎࡢㆤᓊタ⨨ࡉࢀ㸪ᨺᑕᛶࢭࢩ࣒࢘ࡢ྾╔ ࡋ࡚ࡍ࡛㐺⏝ࡉࢀ࡚࠸ࡿ㸬 㸱㸬Ỉ㉁ίࡢࡓࡵࡢヨ㦂ᕤ ヨ㦂ᕤࡢᴫせ 㛤ⓎࡋࡓỈᇦίࣇ࢙ࣥࢫࡢᕤᛶ࠾ࡼࡧ᭷ຠᛶ ࡘ࠸᳨࡚ドࡍࡿࡓࡵ㸪2011ᖺ6᭶2᪥㸪3᪥㛗㔝┴ㄶ ゼᕷࡢ㧗ᓥᇛ࠾ᇼ࠾࠸࡚㸪ίࡋ࡚ኳ↛ࢮ࢜ࣛ ࢺ⏝࠸ࡓヨ㦂ᕤࢆᐇࡋࡓ㸬 ᅗ(a)㹼(c)ᕤሙᡤࡢᴫせ࠾ࡼࡧ≧ἣࢆ♧ࡍ㸬㧗ᓥ ᇛ࠾ᇼࡣ㸪ᅗ(a)୰ࡢ(A)ᆅⅬࡽᑡ㔞ࡢỈࡀὶධࡋ㸪 ᅗ(a)୰ࡢ(D)ᆅⅬࡽὶฟࡍࡿ㛢㙐ᛶỈᇦ࡛࠶ࡿ㸬 ᕤ⟠ᡤࡢỈ῝ࡣ1.1㹼1.3m⛬ᗘ࡛࠶ࡿ㸬 ᅗ(b)♧ࡍᕤ⟠ᡤࡢ㏆ഐ࠾࠸࡚㸪࢚ࢡ࣐ࣥࣂ࣮ ࢪ᥇Ἶჾ㸦┿(a)㸧㈏ධᘧࢧࣥࣉ࣮ࣛ㸦┿(c)㸧 ࢆ⏝࠸࡚ᗏἾࡢ᥇ྲྀࢆ⾜ࡗࡓ㸬᥇ྲྀࡋࡓᗏἾࢆࡑࢀࡒࢀ ┿(b)㸪(d)♧ࡍ㸬ᗏἾࡣ60cm௨ୖሁ✚ࡋ࡚࠾ࡾ㸪 ㈏ධᘧࢧࣥࣉ࣮ࣛࡼࡗ࡚45cm⛬ᗘࡀ᥇ྲྀࡉࢀࡓ㸬᥇ Ἶჾࡼࡾ᥇ྲྀࡋࡓᗏἾࡢ≀⌮≉ᛶ࠾ࡼࡧᰤ㣴ሷ㢮ࡢྵ᭷ 㔞࣭⁐ฟ㔞ࡢศᯒ⤖ᯝࢆ⾲㸪⢏ᗘศᕸࢆᅗ♧ࡍ㸬 ヨ㦂ᕤࡣ㸪ᅗ(b)࠾ࡼࡧᅗ(a)㸪(b)♧ࡍࡼ࠺㸪 Ṍ㐨ࡼࡾ1.5m⛬ᗘ㞳ࢀࡓ⨨࠾࠸࡚ᐇࡋࡓ㸬㏱Ỉᛶ ࡢ␗࡞ࡿỈᇦίࣇ࢙ࣥࢫࢆ⏝࠸ࡓ2m2mࡢ2༊⏬ࢆタ (a)†࡞ࡢἢᓊᇦࡢ㐺⏝ (b) Ἑᕝࡢ㐺⏝ (c) ίỈሙࡸࣉࣛࣥࢺㆤᓊࡢ㐺⏝ ᅗ Ỉᇦίࣇ࢙ࣥࢫࡢ㐺⏝ (a)ᕤሙᡤࡢᖹ㠃ᅗ (b) ヲ⣽ᅗ (A) (B) (C) (D) (c)ᕤሙᡤࡢ≧ἣ ᅗ ᕤሙᡤ㸦㧗ᓥᇛ࠾ᇼ㸧ࡢᴫせ
⨨ࡋࡓ㸬 ᅗ(a)㹼(j)⌧ᆅィ ࡸ࠾ᇼࡢỈ࠾ࡼࡧኳ↛ࢮ࢜ࣛ ࢺࡢ᥇ྲྀ࡞⏝࠸ࡿ௬タ㊊ሙỈᇦίࣇ࢙ࣥࢫࡢ ᴫせࢆ♧ࡍ㸬 ⏝ࡋࡓ㈨ᮦࡢㅖ≉ᛶࡣ⾲♧ࡍ࠾ ࡾ࡛࠶ࡿ㸬 㗰〇ᨭᰕࢆ⤌ࡳྜࢃࡏࡓ௬タ㊊ሙࢆ⏝࠸ࡓ㸦ᅗ (a)㸧㸬ᗏ㉁ୖタ⨨ࡋࡓᚋࡢỿୗࢆᢚไࡍࡿࡓࡵ㸪 ୗ➃ࡽ0.5mࡢ⨨ᖹᯈࢆᅛᐃࡋࡓ㸦ᅗ(b)㸧㸬 ὶධ㊰⏝ࢩࣝࢺࣇ࢙ࣥࢫ㸦ᅗ୰ࡢշ㸧ࢆᅗ(c) ♧ࡍ㸬ୖ➃㒊ࣇ࣮ࣟࢺ㸦┤ᚄ㸸D=0.3m㸪㛗ࡉ㸸 L=2m㸧ࡀ㸪ୗ➃㒊ࢳ࢙࣮ࣥࡀタ⨨ࡉࢀ࡚࠸ࡿ㸬୍᪉㸪 ᑐ㇟⠊ᅖࡢഃ㠃ࡣ㸪ࣇ࣮ࣟࢺࢳ࢙࣮ࣥࡢタ⨨ࡉࢀ࡚ ࠸࡞࠸ࢩࣝࢺࣇ࢙ࣥࢫ㸦ձ-1㹼3㸧ࢆ⏝࠸ࡓ㸬 ሁ✚ᆺ㸦Ỉᗏࢩ࣮ࢺ㸧ࡢỈᇦίࣇ࢙ࣥࢫ㸦ղ㸧 ࡣ㸪ᅗ(d)♧ࡍࢿࢵࢺ〇ࡢίࣘࢽࢵࢺ40kgࡢኳ ↛ࢮ࢜ࣛࢺ㸦⢏ᚄ1㹼3mm㸧ࢆሸࡋࡓࡶࡢࢆ⏝ࡋ ࡓ㸬ኳ↛ࢮ࢜ࣛࢺࢆሸࡍࡿ⿄㒊ศࡣᖜ0.14mࡢ3ิ࡛ ࠶ࡾ㸪ኳ↛ࢮ࢜ࣛࢺࡢ᥇ྲྀࡸワࡵ᭰࠼ࡀᐜ᫆࡞ࡼ࠺㸪 ➃㒊ࡣ࣐ࢪࢵࢡࢸ࣮ࣉ࡛㛤㛢࡛ࡁࡿࡼ࠺࡞ࡗ࡚࠸ࡿ㸬 ࢣ࣮ࢫࡢỈᇦίࣇ࢙ࣥࢫ㸦㐽᩿ᆺ㸧㸦ճ-1㸪2㸧ࢆ ᅗ(e)㸪(f)♧ࡍ㸬ࢩࣝࢺࣇ࢙ࣥࢫྠࡌ⣲ᮦࡢ⿄ ኳ↛ࢮ࢜ࣛࢺࢆሸࡋ࡚ࢩࣝࢺࣇ࢙ࣥࢫ⦭〇ࡋ㸪ᖜ ࡢ␗࡞ࡿ2✀㢮ࡢỈᇦίࣇ࢙ࣥࢫࢆ⏝࠸ࡓ㸬ሸ⠊ᅖ ࡣ0.14m@61m㸦ճ-1㸧࠾ࡼࡧ0.14m@31m㸦ճ-2㸧࡛ ࠶ࡾ㸪40kg࠾ࡼࡧ20kgࡢኳ↛ࢮ࢜ࣛࢺ㸦⢏ᚄ5㹼 10mm㸧ࢆࡑࢀࡒࢀሸࡋ࡚⏝ࡋࡓ㸬 ㏱Ỉᛶࢆ㧗ࡃࡋࡓࢣ࣮ࢫࡢỈᇦίࣇ࢙ࣥࢫ㸦㐽᩿ ᆺ㸧㸦մ-1㸪2㸧ࢆᅗ(g)㹼(i)♧ࡍ㸬ኳ↛ࢮ࢜ࣛࢺ ࡢሸ⠊ᅖ㸪⢏ᚄ࠾ࡼࡧሸ㔞ࡣࢣ࣮ࢫ㸦ճ-1㸪2㸧 ྠࡌ࡛࠶ࡿ㸬ᅗ(d)♧ࡍίࣘࢽࢵࢺྠࡌࢿࢵࢺ 〇ࡢ⿄ኳ↛ࢮ࢜ࣛࢺࢆሸࡋ࡚⏝ࡋࡓ㸬ࢿࢵࢺࢆ ⿵ᙉࡍࡿࡓࡵ㸪ᅗ(g)♧ࡍࡼ࠺㸪ࢪ࢜ࢢࣜࢵࢻ ࢆ⏝࠸ࡓ㸬ࢪ࢜ࢢࣜࢵࢻࢆそ࠺ࡼ࠺㸪ίࣘࢽࢵࢺࢆ ⤖᮰ࣂࣥࢻ࡛㐃⤖ࡋࡓ㸦ᅗ(h)㸪(i)㸧㸬 Ỉᇦίࣇ࢙ࣥࢫ㸦ᾋ㐟ᆺ㸧㸦յ㸧ࡣ㸪ࣇ࣮ࣟࢺ ίࣘࢽࢵࢺ3ᯛ㸦ᅗ(b)㸧ࢆ⤖᮰ࣂࣥࢻ࡛㐃⤖ࡋࡓ ࡶࡢࢆ⏝࠸ࡓ㸦ᚋ㏙ࡢ┿(h)㸧㸬⿄ࡣྜィ30kgࡢኳ ↛ࢮ࢜ࣛࢺ㸦⢏ᚄ1㹼3mm㸧ࢆሸࡋࡓ㸬 Ỉᇦίࣇ࢙ࣥࢫ㸦ሁ✚ᆺ㸧㸦ն㸧ࡣ㸪ᾋ㐟ᆺ 㸦յ㸧ࡢ୧➃㠃ࣇ࣮ࣟࢺࢆタ⨨ࡋࡓࡶࡢࢆ⏝ࡋࡓ 㸦ᚋ㏙ࡢ┿(i)㸪(j)㸧㸬 Ỉᇦίࣇ࢙ࣥࢫ㸦ձ-3㸪ղ㸪մ-1㸪2㸧ࡢタ⨨≧ἣࡢ ࣓࣮ࢪࢆᅗ(j)♧ࡍ㸬 Ỉᇦίࣇ࢙ࣥࢫࡢᕤ ┿(a)㹼(p)ᕤ≧ἣ࠾ࡼࡧὶ㏿ࡢィ ≧ἣࢆ♧ࡍ㸬 ⌧ᆅ࡛⤌ࡳ❧࡚ࡓ௬タ㊊ሙࢆࢡ࣮࡛ࣞࣥྞࡾୗࡆᡤᐃࡢ ⨨タ⨨ࡋࡓ㸦┿(a)㸪(b)㸧㸬ࢩࣝࢺࣇ࢙ࣥࢫ3ᯛ 㸦ձ-1㹼3㸧ࡢୖୗ➃ࢆ⤖᮰ࣂࣥࢻࡼࡾ௬タ㊊ሙᅛ ᐃࡋࡓ㸦┿(c)㸪(d)㸧㸬ሁ✚ᆺ㸦Ỉᗏࢩ࣮ࢺ㸧㸦ղ㸧 ࢆࢣ࣮ࢫ㸪ࡢỈᗏࡑࢀࡒࢀ4ᯛタ⨨ࡋࡓ㸦┿ (e)㸧㸬ࢣ࣮ࢫࡢୖὶഃ࠾ࡼࡧୗὶഃ㐽᩿ᆺ㸦ճ-1㸪 2㸧ࢆタ⨨ࡋ㸦┿(f)㸧㸪ࣇ࣮ࣟࢺࢆ௬タ㊊ሙᅛᐃ ࡋࡓ㸬┿(g)ࡣ㸪ࢣ࣮ࢫࡢỈᇦίࣇ࢙ࣥࢫタ⨨ ᚋࡢ≧ἣ࡛࠶ࡿ㸬ᐃᮇⓗኳ↛ࢮ࢜ࣛࢺࢆ᥇ྲྀࡋ࡚ ྾╔㔞ࡢศᯒࢆ⾜࠺ࡓࡵ㸪ίࣘࢽࢵࢺ㸦ᅗ(b)㸧ࢆ 3ᯛ㐃⤖ࡋࡓᾋ㐟ᆺ㸦յ㸧ࢆタ⨨ࡋࡓ㸦┿(h)㸧㸬ࡉ ࡽ㸪ሁ✚ᆺ㸦ὸỈࢩ࣮ࢺ㸧㸦ն㸧ࢆタ⨨ࡋࡓ㸦┿ (i)㸪(j)㸧㸬ྠᵝ㸪ࢣ࣮ࢫ࠾࠸࡚ࡶ㐽᩿ᆺ㸦մ-1㸪 2㸧㸪ᾋ㐟ᆺ㸦յ㸧࠾ࡼࡧሁ✚ᆺ㸦ὸỈࢩ࣮ࢺ㸧 㻜 㻝㻜 㻞㻜 㻟㻜 㻠㻜 (a)࢚ࢡ࣐ࣥࣂ࣮ࢪ᥇Ἶჾ (b) ࢚ࢡ࣐ࣥࣂ࣮ࢪ᥇Ἶჾ ࡼࡗ࡚᥇ྲྀࡋࡓᗏἾ (c)㈏ධᘧࢧࣥࣉ࣮ࣛ ࡼࡿᗏἾࡢ᥇ྲྀ (d) ㈏ධᘧ᥇Ἶჾࡼࡾ᥇ྲྀࡋࡓᗏἾ ┿ ᗏἾ᥇ྲྀ࠾ࡼࡧ᥇ྲྀࡋࡓᗏἾࡢ≧ἣ ⾲ 㧗ᓥᇛ࠾ᇼࡢᗏἾࡢ≉ᛶ ≀⌮≉ᛶ ึᮇྵỈẚ 265.6 % ᅵ⢏Ꮚᐦᗘ 2.450 g/cm3 ᾮᛶ㝈⏺ 104.4 % ረᛶ㝈⏺ 70.6 % ᙉ⇕ῶ㔞 16.4 % ྵ᭷㔞 ࣜࣥͤ1 170 mg/kg ❅⣲ͤ2 1100 mg/kg ࣥࣔࢽែ❅⣲ͤ3 59 mg/kg ◪㓟ែ❅⣲ͤ3 5 mg/kgᮍ‶ ள◪㓟ែ❅⣲ͤ3 5 mg/kgᮍ‶ ⁐ฟ㔞㸦ᖹᡂ15ᖺ⎔ቃ┬࿌♧➨ 18ྕ‽ᣐ㸧 ࣜࣥ 0.13 mg/L ❅⣲ 2.1 mg/L ࣥࣔࢽែ❅⣲ 1.8 mg/L ◪㓟ែ❅⣲ 0.1 mg/Lᮍ‶ ள◪㓟ែ❅⣲ 0.1 mg/Lᮍ‶ ͤ1㸸◪㓟࠾ࡼࡧ㐣ሷ⣲㓟ศゎᚋ྾ගගᗘἲ㸪 ͤ2㸸ࢣࣝࢲ࣮ࣝศゎᚋᐃἲ࠾ࡼࡧ࢜ࣥࢡࣟ ࣐ࢺࢢࣛࣇἲ㸪ͤ3㸸࢜ࣥࢡ࣐ࣟࢺࢢࣛࣇἲ 0.0010 0.01 0.1 1 10 20 40 60 80 100 ⢏ᚄࠉ(mm) ㏻ 㐣 ㉁ 㔞 ⓒ ศ ⋡ ࠉ (% ) 㧗ᓥᇛ࠾ᇼᗏἾ 㸦2011/6/3᥇ྲྀ㸧 ᅗ ⢏ᗘศᕸ
㻜㻚㻡㼙 㻝㻚㻡㼙 㻝㻚㻝䡚㻝㻚㻟㼙 Ṍ㐨 ᰙ 㐽᩿ᆺ 䠄ኳ↛䝊䜸䝷䜲䝖䠄㻡䡚㻝㻜㼙㼙䠅䠅 㐽᩿ᆺ䠄㏱Ỉᛶ䠅 䠄ኳ↛䝊䜸䝷䜲䝖䠄㻡䡚㻝㻜㼙㼙䠅䠅 ௬タ㊊ሙ 㻞㼙 㻞㼙 䝅䝹䝖䝣䜵䞁䝇 䠄䐟㻙㻝䠅 䝣䝻䞊䝖 䝅䝹䝖䝣䜵䞁䝇 䠄䐟㻙㻞䠅 䝅䝹䝖䝣䜵䞁䝇䠄䐟㻙㻟䠅 䐡㻙㻝 䐡㻙㻞 䐢㻙㻞 䐢㻙㻝 ሁ✚ᆺ䠄Ỉᗏ䝅䞊䝖䠅䠄䐠䠅 䠄ኳ↛䝊䜸䝷䜲䝖䠄㻝䡚㻟㼙㼙䠅䠅 㻜㻚㻢㼙௨ୖ ᗏ㉁ᅵ䠄䝦䝗䝻䠅 䝅䝹䝖䝣䜵䞁䝇 䝛䝑䝖 䜿䞊䝇㻞 䜿䞊䝇䠍 䝅䝹䝖䝣䜵䞁䝇 (a)᩿㠃ᅗ (b)ᖹ㠃ᅗ ᅗ ヨ㦂ᕤタࡢᴫせ (a)௬タ㊊ሙ (b) ỿୗ㜵Ṇ⏝ࡢᖹᯈ (c) ࣇ࣮ࣟࢺࡁࢩࣝࢺࣇ࢙ࣥࢫ㸦ձ㸪շ㸧 (d) ίࣘࢽࢵࢺ㸦ղ㸪յ㸧 (e) Ỉᇦίࣇ࢙ࣥࢫ㐽᩿ᆺ㸦ճ-1㸧 (f) Ỉᇦίࣇ࢙ࣥࢫ㐽᩿ᆺ㸦ճ-2㸧 ᅗ ௬タ㊊ሙ࠾ࡼࡧỈᇦίࣇ࢙ࣥࢫࡢᴫせ㸦ࡑࡢ㸯㸧
㸦ն㸧ࢆタ⨨ࡋࡓ㸦┿(k)㸪(l)㸧㸬᭱ᚋ㸪ὶධ㊰⏝ ࢩࣝࢺࣇ࢙ࣥࢫ㸦շ㸧ࢆୖὶഃタ⨨ࡋ࡚㸦┿ (m)㸧ᕤࢆࡋࡓ㸦┿(n)㸧㸬ᕤᮇ㛫ࡣ㸪2011 ᖺ6᭶2᪥ࡽ6᭶3᪥ࡲ࡛ࡢ⣙1᪥࡛࠶ࡾ㸪▷㛫࡛ᕤ ࡛ࡁࡿࡇࡀ☜ㄆࡉࢀࡓ㸬ᐇົ࠾࠸࡚ࡣ㸪௬タ㊊ሙࡣ せ࡛࠶ࡾ㸪ࡍ࡚ࣇ࣮ࣟࢺࡁỈᇦίࣇ࢙ࣥࢫࢆ ⏝࠸ࡿࡇࡼࡾ㸪ࡉࡽ▷࠸㛫࡛ᕤࡍࡿࡇࡶྍ ⬟࡛࠶ࡿ㸬 ⌧ᆅィ Ỉ㉁࠾ࡼࡧኳ↛ࢮ࢜ࣛࢺࡢศᯒ㡯┠ ᕤ14᪥ᚋ㸦2011ᖺ6᭶17᪥㸧㸪⌧ᆅィ ࠾ࡼ 䝛䝑䝖 ⤖᮰䝞䞁䝗 䛷㐃⤖ ί䝴䝙䝑䝖䠄ኳ↛ 䝊䜸䝷䜲䝖ሸ䠅 (g) Ỉᇦίࣇ࢙ࣥࢫ㐽᩿ᆺ 㸦մ-1㸧㸦ίࣘࢽࢵࢺ㐃⤖๓㸧 (h) Ỉᇦίࣇ࢙ࣥࢫ 㐽᩿ᆺ㸦մ-1㸧㸦㐃⤖ᚋ㸧 (i)Ỉᇦίࣇ࢙ࣥࢫ㐽᩿ᆺ 㸦մ-2㸧 (j)Ỉᇦίࣇ࢙ࣥࢫࡢ タ⨨≧ἣ㸦࣓࣮ࢪ㸧 ᅗ ௬タ㊊ሙ࠾ࡼࡧỈᇦίࣇ࢙ࣥࢫࡢᴫせ㸦ࡑࡢ㸰㸧 ⾲ ᮦᩱࡢㅖ≉ᛶ 㒊ᮦ ⣲ᮦ ㅖඖ ࣇ࣮ࣟࢺ Ⓨ◙࣏ࣜࢫࢳࣞࣥ ༙ရ㸪ࢱ࣮࣏ࣜࣥຍᕤ㸪ẚ㔜㸸0.013 ᾋຊ㸸20kg㸦D=0.3m㸪L=0.55m㸧㸪40kg㸦D=0.3m㸪L=1m㸧 ࢩࣝࢺࣇ࢙ࣥࢫ ࣏࢚ࣜࢫࢸࣝ ㉁㔞㸸310g/m2㸪ཌࡉ㸸0.5mm㸪ᘬᙇࡾᙉࡉ㸸3.1 kN/3cm㸪 ㏱Ỉಀᩘ㸸5.010-2cm/sec ࢿࢵࢺ ࣏࢚ࣜࢫࢸࣝ㸪࣏ࣜሷࣅࢽࣝᶞ⬡⿕そ ㉁㔞㸸470g/m2㸪ᘬᙇࡾᙉࡉ㸸2.2 kN/3cm㸪㛤Ꮝ⋡ͤ1㸸0.1 ࢪ࢜ࢢࣜࢵࢻ ࣏࢚ࣜࢫࢸࣝ㸪ሷࣅࢽࣝᶞ⬡⿕そ ᘬᙇࡾᙉࡉ㸸880N㸭ᮏ㸪┠ྜ࠸㸦ࢭࣥࢱ࣮㛤㸧㸸20s2mm ͤ1 㛤Ꮝ⋡=㸦┠ྜ࠸ࡢ㠃✚㸧㸭㸦ࢿࢵࢺ㠃✚㸧 (a)㊊ሙࡢྞࡾୖࡆ (b) ㊊ሙࡢタ⨨ (c) ࢩࣝࢺࣇ࢙ࣥࢫ㸦ձ-1㸧ࡢタ⨨ (d) ࢩࣝࢺࣇ࢙ࣥࢫ㸦ձ-2㸧ࡢᅛᐃ (e)ሁ✚ᆺ㸦ղ㸧ࡢタ⨨ (f) 㐽᩿ᆺ㸦ճ-1㸧ࡢタ⨨ (g) 㐽᩿ᆺ㸦ճ-1㸪2㸧ࡢタ⨨ (h) ᾋ㐟ᆺ㸦յ㸧ࡢタ⨨ (i)ሁ✚ᆺ㸦ն㸧ࡢタ⨨ (j) ሁ✚ᆺ㸦ն㸧 (k) 㐽᩿ᆺ㸦մ-1㸧ࡢタ⨨ (l) Ỉᇦίࣇ࢙ࣥࢫࡢタ⨨ (m) ὶධ㊰⏝ࢩࣝࢺࣇ࢙ࣥࢫշࡢタ⨨ (n) ᕤ (o) ὶ㏿ィ (p) ὶ㏿ࡢィ ┿ ᕤ࠾ࡼࡧィ ≧ἣ㸦2011ᖺ 6᭶ 2᪥㸪3᪥㸧㸦ࡑࡢ㸰㸧
ࡧ࠾ᇼࡢỈኳ↛ࢮ࢜ࣛࢺࡢ᥇ྲྀࢆᐇࡋࡓ㸬⌧ᆅィ ࡛ࡣ㸪ᅗ♧ࡋࡓί༊ᇦእࡢ ⅬNo. 0㸪ࢣ࣮ࢫ ࡢNo. 1࠾ࡼࡧ㏱Ỉᛶࢆ㧗ࡃࡋࡓࢣ࣮ࢫࡢNo. 2୧ࢣ࣮ ࢫࡢୖὶ࠾ࡼࡧୗὶഃࡢNo. 1U㸪2U࠾ࡼࡧ1L㸪2LࡢỈ῝ 10㸪50㸪100cmࡢ3࢝ᡤ࠾࠸࡚㸪ὶ㏿㸪Ỉ 㸪㏱どᗘ࠾ ࡼࡧ⃮ᗘࢆィ ࡋࡓ㸬᥇Ỉࡣ㸪No. 0㹼2ࡢ3ⅬࡢỈ㠃㏆ ࡼࡾ⾜࠸㸪ᾋ㐟≀㉁㔞SS㸪ࣥࣔࢽែ❅⣲㸦ศᯒ᪉ ἲ㸸JIS K 0101 36.5㸧㸪❅⣲㸦JIS K 0101 45.2㸧࠾ࡼࡧ ࣜࣥ㸦JIS K 0101 46.3㸧ࡢྵ᭷㔞ࢆᐊෆศᯒࡼࡾồࡵࡓ㸬 ኳ↛ࢮ࢜ࣛࢺࡢ᥇ྲྀࡣ㸪ࢣ࣮ࢫ㸪ࡢỈᇦίࣇ࢙ࣥ ࢫ㸦ᾋ㐟ᆺ㸧ࡢୖ୰ୗẁࡢྛ3࢝ᡤࡼࡾ⾜࠸㸪❅⣲ 㸦ࣥࣔࢽែ❅⣲㸪ள◪㓟ែ❅⣲㸪◪㓟ែ❅⣲㸪᭷ᶵ ែ❅⣲ࡢಶูศᯒ㸧࠾ࡼࡧࣜࣥ㸦◪㓟࠾ࡼࡧ㐣ሷ⣲㓟 ศゎᚋ྾ගගᗘἲ㸧ࡢ྾╔㔞ࢆᐊෆศᯒࡼࡾồࡵࡓ㸬 ⤖ᯝ࠾ࡼࡧ⪃ᐹ ᅗ(a-1)㹼(h)㸪⌧ᆅィ ࡼࡿᖹᆒὶ㏿㸪Ỉ 㸪 Ẽ 㸪㏱どᗘ㸪⃮ᗘỈ㉁ศᯒࡼࡿSSࣥࣔࢽែ ❅⣲㸪❅⣲㸪ࣜࣥࡢྵ᭷㔞ࡢ⤖ᯝࢆ♧ࡍ㸬ᖹᆒὶ㏿ ࡣ㸪 ᐃ್ࡢ್᭱᭱ᑠ್ࡢᖹᆒ࡛࠶ࡾ㸪᭱㧗㸪᭱ప Ẽ ࡣㄶゼ≉ูᆅᇦẼ㇟ほ ᡤࡢィ ࢹ࣮ࢱ࡛࠶ࡿ㸬ᅗ (a-1)㸪(a-2)♧ࡍࡼ࠺㸪ᖹᆒὶ㏿ࡣ㸪㏱Ỉᛶࡢ㧗࠸ ࢣ࣮ࢫ㸦No. 2U, 2, 2L㸧ࡢ᪉ࡀࢣ࣮ࢫ㸦No. 1U, 1, 1L㸧ࡼ ࡾࡶⱝᖸ㏿ࡃ㸪Ỉ῝ࡀ῝ࡃ࡞ࡿ㐜ࡃ࡞ࡿഴྥ࠶ࡿ
ࡀ㸪࠸ࡎࢀࡶỈᇦίࣇ࢙ࣥࢫෆእ࡛᭷ព࡞ᕪࡣぢࡽࢀ ࡞࠸㸬ࡲࡓ㸪ᅗ(b)♧ࡍࡼ࠺㸪Ỉ ࡶࢣ࣮ࢫ 㸦No. 1㸧ࢣ࣮ࢫ㸦No. 2㸧ࡢ༊ᇦෆࡑࡢእഃ㸦No. 0㸧࠾࠸࡚᭷ព࡞ᕪࡀぢࡽࢀ࡞࠸ࡇࡽ㸪༑ศ࡞Ỉ ᚠ⎔ࡀಖᣢࡉࢀ࡚࠸ࡿࡇࡀ☜ㄆࡉࢀࡿ㸬ᅗ(c)㸪(d) ♧ࡍࡼ࠺㸪2㐌㛫ᚋ࠾࠸࡚㸪Ỉᇦίࣇ࢙ࣥࢫෆ ࡢ㏱どᗘ⃮ᗘࡣ㸪ࡑࡢእഃࡼࡾࡶᨵၿࡉࢀ࡚࠸ࡿ㸬ࡓ ࡔࡋ㸪ᅗ(e)♧ࡍࡼ࠺㸪SSࡣᕪࡀぢࡽࢀ࡞࠸㸬 ᅗ(f)♧ࡍࡼ࠺㸪Ỉ୰ࡢࣥࣔࢽែ❅⣲ࡣ༊ᇦ ෆࡢ᪉ࡀ10%ῶᑡࡋ࡚࠸ࡿࡀ㸪ᅗ(g)㸪(h)♧ࡍ ࡼ࠺㸪❅⣲㸪ࣜࣥࡣ᭷ព࡞ᕪࡣㄆࡵࡽࢀ࡞࠸㸬 ᅗ(a-1)㹼(h)ࡢ⤖ᯝࡼࡾ㸪ࢣ࣮ࢫ㸪࠾࠸࡚Ỉᇦί ࣇ࢙ࣥࢫࡢ㏱Ỉᛶࡢᙳ㡪ࡣࢇㄆࡵࡽࢀ࡞࠸㸬 ኳ↛ࢮ࢜ࣛࢺࡢ❅⣲࠾ࡼࡧࣜࣥࡢ྾╔㔞ࢆᅗ (a)㸪(b)♧ࡍ㸬❅⣲ࡢ྾╔㔞ࡣึᮇ್ᑐࡋ࡚3㹼6 ಸ࡛࠶ࡾ㸪❅⣲ࡢ྾╔ຠᯝࡣࡁ࠸㸬Ỉ῝ࡼࡗ࡚྾ ╔㔞ࡀ␗࡞ࡗ࡚࠸ࡿࡀ㸪Ỉ῝ࡢ୍⩏ⓗ࡞㛵ಀࡣㄆࡵࡽ ࢀ࡞࠸㸬୍᪉㸪ࣜࣥࡢ྾╔ຠᯝࡣㄆࡵࡽࢀ࡞࠸㸬 ᮏヨ㦂ᕤ࡛ࡣ㸪ୖୗὶഃࡢỈᇦίࣇ࢙ࣥࢫࡢኳ ↛ࢮ࢜ࣛࢺࡢタ⨨㠃✚ࡣ㸪㠃✚ࡢ30%⛬ᗘ࡛࠶ࡿ㸬 Ỉᇦίࣇ࢙ࣥࢫࡢ㏱Ỉ㔞ኳ↛ࢮ࢜ࣛࢺࡢᩜタ㠃✚ ࢆㄪᩚࡍࢀࡤ㸪ࡉࡽίຠᯝࡀྥୖࡍࡿ⪃࠼ࡽࢀࡿ㸬 0 0.005 0.01 0.015 0.02 ୖ ୰ ୗ ୖ ୰ ୗ ୖ ୰ ୗ ᖹ ᆒ ὶ ㏿ 㻔㼙 㻛 㼟㻕 6᭶17᪥(14᪥ᚋ) 䜿䞊䝇1 㻺㼛㻚㻌㻝㼁 㻺㼛㻚㻌㻝 㻺㼛㻚㻌㻝㻸 ୖ䠖Ỉ῝10cm ୰䠖Ỉ῝50cm ୗ䠖Ỉ῝100cm 0 0.005 0.01 0.015 0.02 ୖ ୰ ୗ ୖ ୰ ୗ ୖ ୰ ୗ ᖹ ᆒ ὶ ㏿ 㻔㼙㻛 㼟㻕 6᭶17᪥(14᪥ᚋ) 䜿䞊䝇2 㻺㼛㻚㻌㻞㼁 㻺㼛㻚㻌㻞 㻺㼛㻚㻌㻞㻸 ୖ䠖Ỉ῝10cm ୰䠖Ỉ῝50cm ୗ䠖Ỉ῝100cm 15 20 25 30 ୖ ୰ ୗ ୖ ୰ ୗ ୖ ୰ ୗ Ỉ 䞉 Ẽ (Υ ) 㻺㼛㻚㻌㻜㻌㻌㻌㻌㻌㻌㻌 㻺㼛㻚㻌㻝㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻺㼛㻚㻌㻞 6᭶17᪥(14᪥) ᭱㧗Ẽ ᭱పẼ ୖ䠖Ỉ῝10cm ୰䠖Ỉ῝50cm ୗ䠖Ỉ῝100cm
(a-1) ᖹᆒὶ㏿㸦No. 1U㸪1㸪1L㸧 (a-2)ᖹᆒὶ㏿㸦No. 2U㸪2㸪2L㸧 (b) Ỉ ࣭Ẽ
20 30 40 50 60 70 ୖ ୰ ୗ ୖ ୰ ୗ ୖ ୰ ୗ ㏱どᗘ (c m ) 㻺㼛㻚㻌㻜㻌㻌㻌㻌㻌㻌㻌 㻺㼛㻚㻌㻝㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻺㼛㻚㻞 6᭶17᪥(14᪥ᚋ) ᖹᆒ್ ୖ䠖Ỉ῝10cm ୰䠖Ỉ῝50cm ୗ䠖Ỉ῝100cm 0 5 10 15 ୖ ୰ ୗ ୖ ୰ ୗ ୖ ୰ ୗ ⃮ᗘ (ᗘ ) 㻺㼛㻚㻌㻜㻌㻌㻌㻌㻌㻌㻌 㻺㼛㻚㻌㻝㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻺㼛㻚㻞 ୖ䠖Ỉ῝10cm ୰䠖Ỉ῝50cm ୗ䠖Ỉ῝100cm 6᭶17᪥(14᪥ᚋ) 0 2 4 6 8 10 12 14
No.0 No.1 No.2
㻿 㻿 㻌㻔 㼙 㼓㻛 㻸 㻕 㻢᭶㻝㻣᪥㻔㻝㻠᪥ᚋ㻕 (c)㏱どᗘ (d) ⃮ᗘ (e)SS 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2
No.0 No.1 No.2
䜰 䞁 䝰 䝙 䜰 ែ ❅ ⣲ 㻔㼙 㼓㻛 㻸 㻕 6᭶17᪥(14᪥ᚋ) 0 0.2 0.4 0.6 0.8 1 1.2
No.0 No.1 No.2
❅ ⣲ 㻔㼙 㼓㻛 㻸 㻕 6᭶17᪥(14᪥ᚋ) 0 0.02 0.04 0.06 0.08 0.1
No.0 No.1 No.2
䝸 䞁 㻔㼙 㼓㻛 㻸 㻕 6᭶17᪥(14᪥ᚋ) (f) Ỉ୰ࡢࣥࣔࢽែ❅⣲ࡢྵ᭷㔞 (g) Ỉ୰ࡢ❅⣲ࡢྵ᭷㔞 (h) Ỉ୰ࡢࣜࣥࡢྵ᭷㔞 ᅗ ᕤ2㐌㛫ᚋ㸦2011ᖺ 6᭶ 17᪥㸧࠾ࡅࡿ⌧ᆅィ ࠾ࡼࡧỈ㉁ศᯒࡢ⤖ᯝ
㸲㸬ࡲࡵ †㸪Ἑᕝࡸᾏὒ࡞ࡢከᵝ࡞Ỉᇦ࠾ࡅࡿỈ㉁ί ᑐ⟇ࡋ࡚㸪ࢪ࢜ࢩࣥࢭࢸࢵࢡࢫࢆ⏝࠸ࡓỈᇦί ࣇ࢙ࣥࢫࢆ㛤Ⓨࡋ㸪ࡑࡢ≉ᚩ࣭ຠᯝ࠾ࡼࡧ㐺⏝ࢆ♧ࡋ ࡓ㸬ᕤᛶ࠾ࡼࡧ᭷ຠᛶࡘ࠸᳨࡚ドࡍࡿࡓࡵ㸪㛗㔝 ┴ㄶゼᕷࡢ㧗ᓥᇛ࠾ᇼ࠾࠸࡚㸪ίࡋ࡚ኳ↛ࢮ࢜ ࣛࢺࢆ⏝࠸ࡓヨ㦂ᕤࢆᐇࡋࡓ㸬ᚓࡽࢀࡓ࡞▱ぢ ࡣ௨ୗࡢ㏻ࡾ࡛࠶ࡿ㸬 1) Ỉ῝1.2m⛬ᗘ㸪ᑐ㇟⠊ᅖ2m2m㸦2༊⏬㸧࠾࠸࡚㸪 ▷㛫࡛ᐜ᫆ᕤ࡛ࡁࡿࡇࡀᐇドࡉࢀࡓ㸬 2) ኳ↛ࢮ࢜ࣛࢺࢆタ⨨ࡋࡓỈᇦίࣇ࢙ࣥࢫෆእࡢὶ ㏿࠾ࡼࡧỈ ࡢᕪࡣᑠࡉࡃ㸪㐺ᙜ࡞Ỉᚠ⎔ࡀಖᣢࡉࢀ ࡚࠸ࡿࡇࡀ☜ㄆࡉࢀࡓ㸬 3) 2㐌㛫ᚋ࠾࠸࡚㸪Ỉᇦίࣇ࢙ࣥࢫෆࡢ㏱どᗘ࠾ࡼ ࡧ⃮ᗘࡣ㸪ࡑࡢእഃࡼࡾࡶᨵၿࡉࢀ࡚࠸ࡿࡇࡀ☜ㄆ ࡉࢀࡓ㸬 4) Ỉᇦίࣇ࢙ࣥࢫෆࡢỈ୰ࡢࣥࣔࢽែ❅⣲ࡢྵ᭷ 㔞ࡣእഃࡼࡾࡶῶᑡࡋ࡚࠸ࡿࡀ㸪❅⣲࣭ࣜࣥࡣ ᭷ព࡞ᕪࡣㄆࡵࡽࢀ࡞ࡗࡓ㸬 5) Ỉᇦίࣇ࢙ࣥࢫ㸦ᾋ㐟ᆺ㸧タ⨨ࡉࢀࡓኳ↛ࢮ࢜ࣛ ࢺࡣ❅⣲ࡢ᭷ព࡞྾╔ࡀ☜ㄆࡉࢀࡓ㸬୍᪉㸪 ࣜࣥࡘ࠸࡚ࡣ㸪᭷ព࡞྾╔ࡣㄆࡵࡽࢀ࡞ࡗࡓ㸬 6) ίຠᯝࢆྥୖࡉࡏࡿࡓࡵࡣ㸪Ỉᇦίࣇ࢙ࣥࢫࡢ ㏱Ỉ㔞ኳ↛ࢮ࢜ࣛࢺࡢᩜタ㠃✚ࢆㄪᩚࡍࡿࡇࡀ 㔜せ࡛࠶ࡿ㸬 ㅰ㎡㸸ヨ㦂ᕤ࠾࠸࡚ࡣ㸪ㄶゼᕷᘓタ㒊㒔ᕷィ⏬ㄢ࠾ ࡼࡧᕷẸ㒊⏕ά⎔ቃㄢ㸪㸦ᰴ㸧୰㒊 ᆅ◊✲ᡤ㸪ᗏ㉁ ࡢࢧࣥࣉࣜࣥࢢ࠾࠸࡚ࡣ㸪ࢯࣝࣥࢻࣟࢵࢡ࢚ࣥࢪ ࢽࣜࣥࢢ㸦ᰴ㸧ࡈ༠ຊࢆ࠸ࡓࡔ࠸ࡓ㸬グࡋ࡚㸪ឤ ㅰࡢពࢆ⾲ࢃࡋࡲࡍ㸬 ཧ⪃ᩥ⊩ 1) ᱵᓮኵ㸪Ἑᮧ 㝯㸪Ἑ㔝๛ᚿ㸪Ἑᓮ ᙲ㸪㔝ᮧᛅ᫂㸪 ᑎṇᚿ㸪⸨᳃ᚨ㞝㸪⣽㔝Ṋஂ㸪す ῟㸪ቃ Ꮫ㸪ᯇỌ ᩧ㸪ᒸᮧᙪ㸪㏆⸨ㄔ㸸ࢪ࢜ࢸ࢟ࢫࢱࣝኳ↛ࢮ࢜ࣛ ࢺࢆ⏝࠸ࡓேᕤ࡞ࡂࡉࡢỈ㉁ίᐇ㦂㸪ࢪ࢜ࢩࣥࢭࢸ ࢵࢡࢫㄽᩥ㞟㸪➨23ᕳ㸪pp.119-126㸪2008㸬 2) ᱵᓮኵ㸪Ἑᮧ 㝯㸪ቃ Ꮫ㸪ᯇỌ ᩧ㸸ㄶゼ†࠾ࡅ ࡿኳ↛ࢮ࢜ࣛࢺ࡞ࡂࡉࡢᐇドᐇ㦂㸦ࡑࡢ㸱㸧㸪⎔ቃ⛉Ꮫ ᖺሗ ➨32ྕ㸪pp.36-45㸪2010㸬
3) MINDECO IWAMI PROFILE ࣑࣡ࣛࢺ㸪୕㔠ᒓ㈨※㛤 Ⓨᰴᘧ♫㸪2006㸬
DEVELOPMENT OF A FENCE FOR WATER QUALITY PURIFICATION USING
GEOSYNTHETICS
Takeo UMEZAKI, Takashi KAWAMURA, Kengo NISHIDA, Daigo Ishii
and Daigaku SAKAI
For the countermeasure against water quality purification in various water areas, a fence for water quality purification with high workability and applicability was newly developed, and the outlines, effect, and the example of application were shown. In order to verify the workability and effectiveness, a test construction using natural zeolite for a depurative was carried out in the moat of the Takashima Castle in Suwa City. The result confirmed that the construction of the fence can be carried out in a short time. The suitable circulation of water is maintained in the inside and outside of the fence. Improvement of transparency and turbidity of water, and adsorption of the total nitrogen of natural zeolite were confirmed.
KEYWORDS: Water quality purification, Silt fence, Permeability, Natural zeolite
0 5 10 15 20 25 30 35 40 ୖ ୰ ୗ ୖ ୰ ୗ ❅ ⣲ 㻔㼙 㼓㻛 㼗㼓 㻕 6᭶17᪥(14᪥ᚋ) 㻺㼛㻚㻌㻝 㻺㼛㻚㻌㻞 ึᮇ್ ୖ䠖Ỉ῝10䡚60cm ୰䠖Ỉ῝60䡚110cm ୗ䠖Ỉ῝110䡚120cm ᖹᆒ್ 0 5 10 15 20 25 30 35 40 ୖ ୰ ୗ ୖ ୰ ୗ 䝸 䞁 㻔㼙 㼓㻛 㼗㼓 㻕 6᭶17᪥(14᪥ᚋ) 㻺㼛㻚㻌㻝 㻺㼛㻚㻌㻞 ึᮇ್ ᖹᆒ್ ୖ䠖Ỉ῝10䡚60cm ୰䠖Ỉ῝60䡚110cm ୗ䠖Ỉ῝110䡚120cm (d) ኳ↛ࢮ࢜ࣛࢺࡢ❅⣲ࡢ྾╔㔞 (e) ኳ↛ࢮ࢜ࣛࢺࡢࣜࣥࡢ྾╔㔞 ᅗ ᕤ2 㐌㛫ᚋ㸦2011 ᖺ 6 ᭶ 17 ᪥㸧࠾ࡅࡿỈ㉁࠾ࡼࡧኳ↛ࢮ࢜ࣛࢺࡢ྾╔㔞