➨5❶㻌 䜾䝷䜴䞁䝗䜰䞁䜹䞊䛻䜘䜛㔜ຊᘧᓊቨ䛾⪏㟈⿵ᙉຠᯝ䛻㛵䛩䜛ືྎᐇ㦂㻌
➨5❶㻌 䜾䝷䜴䞁䝗䜰䞁䜹䞊䛻䜘䜛㔜ຊᘧᓊቨ䛾⪏㟈⿵ᙉຠᯝ䛻㛵䛩䜛ືྎᐇ㦂㻌
5.4 䜰䞁䜹䞊䛻䜘䜛⪏㟈⿵ᙉຠᯝ䛻㛵䛩䜛ືྎᐇ㦂⤖ᯝ㻌
ᮏ⠇࡛ࡣ㸪ືྎᐇ㦂⤖ᯝࡘ࠸࡚㸪࣮ࣥ࢝࡞ࡋࡢሙྜ࣮ࣥ࢝࠶ࡾࡢሙྜࢆẚ
㍑ࡋ㸪࣮ࣥ࢝ࡼࡿ⪏㟈⿵ᙉຠᯝࡘ࠸࡚⪃ᐹࡍࡿ㸬
5.4.1 ᓊቨ䛾ຍ㏿ᗘ≉ᛶ㻌
ᇶ♏ᤞ▼ᒙཌ200 mmࡢሙྜ(CASE-1, 2)ࡢሙྜࡢᓊቨࡢຍ㏿ᗘ้Ṕࢆᅗ-5. 11♧
ࡍ㸬ࢣ࣮ࢯࣥኳ➃ࡢຍ㏿ᗘ(AH7)ࡣ㸪ධຊຍ㏿ᗘᖜ⣙240 Galᑐࡋ࡚๓㠃ഃࡢຍ㏿
ᗘࡀቑຍࡍࡿഴྥࢆ♧ࡍ㸬≉࣮ࣥ࢝࠶ࡾࡢࢣ࣮ࢫ࡛ࡣ㸪ຍࡢ㐍⾜ᛂࡌ࡚๓㠃ഃ
ࡢຍ㏿ᗘࡀⴭࡋࡃቑຍࡋ࡚࠸ࡿ㸬
ࢣ࣮ࢯࣥ┤⫼ᚋࡢᆅ⾲㠃ຍ㏿ᗘ(AH12)ࡣ㸪ຍࡀ㐍ࡴࡋࡓࡀࡗ࡚㸪๓㠃ഃࡢຍ㏿
ᗘࡀⴭࡋࡃቑຍࡍࡿഴྥࢆ♧ࡋ࡚࠸ࡿ㸬ࡋࡋ㸪┤ୗ(AH11)ࡢຍ㏿ᗘࡣ㸪ᆅ⾲㠃ࡢ⣙༙
ศ࡛࠶ࡿࡇࡽ㸪ຍ㏿ᗘࡢⴭࡋ࠸ቑຍࡣᆅ⾲㠃㝈ᐃࡉࢀ࡚࠸ࡿ⪃࠼ࡽࢀࡿ㸬
⫼㠃ഃࡢᆅ⾲㠃ຍ㏿ᗘ(AH18)ࡣ㸪࣮ࣥ࢝࡞ࡋࡢሙྜ㸪1 ⛊ࢆ㐣ࡂ࡚ࡽῶᑡࡋࡣࡌ
ࡵ㸪2⛊௨㝆ࡣᖜࡀ㠀ᖖᑠࡉࡃ࡞ࡗ࡚࠸ࡿࡇࡀࢃࡿ㸬ࡇࢀࡣ㸪1⛊௨㝆ᇙᅵࡢ
๛ᛶࡀⴭࡋࡃపୗࡋࡓࡇࢆ♧၀ࡋ࡚࠸ࡿ㸬୍᪉㸪࣮ࣥ࢝࠶ࡾࡢሙྜࡣ㸪ຍ㏿ᗘᖜ ࡢῶᑡࡀࡳࡽࢀ࡞࠸ࡇࡽ㸪ᇙᅵࡢ๛ᛶࡣࡑࢀపୗࡋ࡞ࡗࡓ⪃࠼ࡽࢀࡿ㸬
ᅗ-5. 12ࡣ㸪ࢣ࣮ࢯࣥኳ➃ࡢຍ㏿ᗘ้Ṕࡘ࠸࡚㛫㍈ࢆᣑࡋ㸪࣮ࣥ࢝ࡢ᭷↓ࡢ 㐪࠸ࢆẚ㍑ࡋࡓࡶࡢ࡛࠶ࡿࡀ㸪ࢣ࣮ࢯࣥኳ➃࡛ࡣ࣮ࣥ࢝࠶ࡾࡢࢣ࣮ࢫ࠾࠸࡚๓㠃ഃ
ࡢຍ㏿ᗘࡀࢫࣃࢡ≧ࡢἼᙧࢆ♧ࡍࡶ್᭱ࡀࡁࡃ࡞ࡗ࡚࠾ࡾ㸪࣮ࣥ࢝
ࡼࡗ࡚ࢣ࣮ࢯࣥࡁ࡞⾪ᧁⓗ࡞Ⲵ㔜ࡀస⏝ࡍࡿࡇࢆ♧ࡋ࡚࠸ࡿ㸬
ࢣ࣮ࢯࣥࡢືࡘ࠸᳨࡚ウࡍࡿࡓࡵ㸪ᇶ♏ᤞ▼ኳ➃(AH4)ࢣ࣮ࢯࣥୗ➃(AH5)ࡢຍ
㏿ᗘᒚṔࢆᅗ-5. 13♧ࡍ㸬ྠᅗࡼࡿ㸪࣮ࣥ࢝ࡢ᭷↓౫ࡽࡎ㸪ຍ㏿ᗘᒚṔࡣࢃࡎ
࣮ࣝࣉࢆᥥ࠸࡚࠸ࡿࡶࡢࡢ㸪యⓗ࡞ഴྥࡋ࡚㸪ࢣ࣮ࢯࣥୗ➃ᇶ♏ᤞ▼ࡢຍ㏿
ᗘࡣᖜ࣭┦ࡶࡰྠࡌ࡛࠶ࡾ㸪ࢣ࣮ࢯࣥࡀᇶ♏ᤞ▼ୖࢆືࡍࡿࡼ࠺࡞ᣲືࡣ☜
ㄆࡉࢀ࡞ࡗࡓ㸬
๓㠃ഃࡢ᭱ຍ㏿ᗘศᕸࢆᅗ-5. 14♧ࡍ㸬ྠᅗࡼࡿ㸪ࢣ࣮ࢯࣥኳ➃ຍ㏿ᗘ(AH7) ࡣ㸪ධຊຍ㏿ᗘᖜ200 Galᑐࡋ࡚ቑຍࡋ࡚࠾ࡾ㸪≉࣮ࣥ࢝࠶ࡾࡢ770 Galࡣ㸪
࣮ࣥ࢝࡞ࡋࡢ370 Galࡢ⣙2ಸ࡞ࡗ࡚࠸ࡿ㸬ࢣ࣮ࢯࣥ┤⫼ᚋᆅ┙╔┠ࡍࡿ㸪ධ ຊࡉࢀࡓຍ㏿ᗘࡀᆅ┙ୖ㒊ఏ㐩ࡍࡿࡋࡓࡀࡗ࡚ᖜࡀቑຍࡋ࡚࠸ࡿ㸬ࡇࡢഴྥࡘ
࠸࡚㸪࣮ࣥ࢝ࡢ᭷↓ࡢ㐪࠸ࡣࢇㄆࡵࡽࢀ࡞࠸㸬
ᇶ♏ᤞ▼ᒙཌ400 mmࡢሙྜ(CASE-3, 4)ࡢሙྜࡢᓊቨࡢຍ㏿ᗘ≉ᛶࡣ㸪ᇶ♏ᤞ▼ᒙཌ 200 mmࡢሙྜ(CASE-1, 2)ྠᵝ࡛࠶ࡿ㸬
➨5❶㻌 䜾䝷䜴䞁䝗䜰䞁䜹䞊䛻䜘䜛㔜ຊᘧᓊቨ䛾⪏㟈⿵ᙉຠᯝ䛻㛵䛩䜛ືྎᐇ㦂㻌
AH18 Max= 536, Min= -270 AH18 Max= 928, Min= -811
AH12 Max= 944, Min= -408 AH12 Max= 1,150, Min= -679
AH11 Max= 539, Min= -227 AH11 Max= 459, Min= -267
AH7 Max= 370, Min= -315 AH7 Max= 770, Min= -342
AH1 Max= 240, Min= -244 AH1 Max= 232, Min= -244
-1000 -500 0 500 1000
0 1 2 3 4 5 6 7 t (s)
Acc. (Gal)
-1000 -500 0 500 1000
0 1 2 3 4 5 6 7 t (s)
Acc. (Gal)
-1000 -500 0 500 1000
0 1 2 3 4 5 6 7 t (s)
Acc. (Gal)
-1000 -500 0 500 1000
0 1 2 3 4 5 6 7 t (s)
Acc. (Gal)
-1000 -500 0 500 1000
0 1 2 3 4 5 6 7 t (s)
Acc. (Gal)
-1000 -500 0 500 1000
0 1 2 3 4 5 6 7 t (s)
Acc. (Gal)
-1000 -500 0 500 1000
0 1 2 3 4 5 6 7 t (s)
Acc. (Gal)
-1000 -500 0 500 1000
0 1 2 3 4 5 6 7 t (s)
Acc. (Gal)
-1000 -500 0 500 1000
0 1 2 3 4 5 6 7 t (s)
Acc. (Gal)
-1000 -500 0 500 1000
0 1 2 3 4 5 6 7 t (s)
Acc. (Gal)
(a) ࣮ࣥ࢝࡞ࡋ(CASE-1) (b) ࣮ࣥ࢝࠶ࡾ(CASE-2) ᅗ-5. 11 ຍ㏿ᗘ้Ṕ (ᇶ♏ᤞ▼ᒙཌ200 mm)
័ᛶຍ㏿ᗘ - +
AH11
AH1
AH18
AH7 AH12
๓㠃ഃ ⫼㠃ഃ
➨5❶㻌 䜾䝷䜴䞁䝗䜰䞁䜹䞊䛻䜘䜛㔜ຊᘧᓊቨ䛾⪏㟈⿵ᙉຠᯝ䛻㛵䛩䜛ືྎᐇ㦂㻌
-1000 -500 0 500 1000
0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 t (s)
Acc. (Gal)
䜰䞁䜹䞊䛺䛧 䜰䞁䜹䞊䛒䜚
ᅗ-5. 12 ࢣ࣮ࢯࣥኳ➃ຍ㏿ᗘ(AH7)ࡢẚ㍑
(a) ࣮ࣥ࢝࡞ࡋ -600
0 600
-600 0 600
ᇶ♏ᤞ▼ኳ➃䛆AH4䛇 (Gal) 䜿䞊䝋䞁ୗ➃䛆AH5䛇 (Gal)
(b) ࣮ࣥ࢝࠶ࡾ
-600 0 600
-600 0 600
ᇶ♏ᤞ▼ኳ➃䛆AH4䛇 (Gal) 䜿䞊䝋䞁ୗ➃䛆AH5䛇 (Gal)
ᅗ-5. 13 ᇶ♏ᤞ▼ኳ➃ࢣ࣮ࢯࣥୗ➃ࡢຍ㏿ᗘᒚṔ (ᇶ♏ᤞ▼ᒙཌ200 mm)
0 500 1000 1500
0 500 1000
Acc. (Gal)
ᅵᵴᗏ㠃䛛䜙䛾㧗䛥 (mm)
䜰䞁䜹䞊䛺䛧 䜰䞁䜹䞊䛒䜚 AH7
AH5 AH3
AH1 AH4
AH5
0 500 1000 1500
0 500 1000
Acc. (Gal) ᅵᵴᗏ㠃䛛䜙䛾㧗䛥 (mm)
䜰䞁䜹䞊䛺䛧 䜰䞁䜹䞊䛒䜚
AH12
AH10 AH9 AH11
AH1
(a) ࢣ࣮ࢯࣥࡑࡢ┤ୗᆅ┙ (b) ࢣ࣮ࢯࣥ┤⫼ᚋᆅ┙
ᅗ-5. 14 ๓㠃ഃࡢ᭱ຍ㏿ᗘศᕸ (ᇶ♏ᤞ▼ᒙཌ200 mm)
➨5❶㻌 䜾䝷䜴䞁䝗䜰䞁䜹䞊䛻䜘䜛㔜ຊᘧᓊቨ䛾⪏㟈⿵ᙉຠᯝ䛻㛵䛩䜛ືྎᐇ㦂㻌
࣮ࣥ࢝࠶ࡾࡢሙྜࢣ࣮ࢯࣥኳ➃ຍ㏿ᗘࡀቑຍࡋࡓཎᅉࡋ࡚㸪࣮࡛ࣥ࢝⿵ᙉࡋ ࡓࡇࡼࡾࢣ࣮ࢯࣥࡢᅛ᭷࿘Ἴᩘࡀᆅ㟈ືࡢᅛ᭷࿘Ἴᩘ㏆࡙࠸ࡓࡇࡀ⪃࠼ࡽࢀࡿ㸬 ࡑࡇ࡛㸪5.3⠇࡛㏙ࡓࣃࣝࢫἼຍ⤖ᯝࢆ⏝࠸࡚㸪ࢣ࣮ࢯࣥࡢᅛ᭷࿘Ἴᩘࢆồࡵࡓ㸬ල యⓗࡣ㸪ࢣ࣮ࢯࣥኳ➃ຍ㏿ᗘ(AH7)ࡢຍ㏿ᗘࣇ࣮࢚ࣜࢫ࣌ࢡࢺࣝࢆᅵᵴᗏ∧ຍ㏿ᗘ
(AH1)ࡢຍ㏿ᗘࣇ࣮࢚ࣜࢫ࣌ࢡࢺ࡛ࣝ㝖ࡍࡇ࡛ຍ㏿ᗘᛂ⟅ಸ⋡ࢆồࡵ㸪1ḟࡢᅛ᭷࿘Ἴ
ᩘࢆㄞࡳྲྀࡗࡓ㸬ຍ㏿ᗘᛂ⟅ಸ⋡ࢆᅗ-5. 15㸪1ḟࡢᅛ᭷࿘Ἴᩘࢆ⾲-5. 7♧ࡍ㸬
ྠᅗ⾲ࡼࡿ㸪࣮ࣥ࢝ࡢ᭷↓ࢃࡽࡎ㸪ࢣ࣮ࢯࣥࡢ1ḟࡢᅛ᭷࿘Ἴᩘࡣ20 Hz
࡛࠶ࡿ㸬ࡇࡢࡇࡽ㸪࣮࡛ࣥ࢝⿵ᙉࡋࡓࡇࡼࡾࢣ࣮ࢯࣥࡢᅛ᭷࿘Ἴᩘࡀᆅ㟈ື
ࡢᅛ᭷࿘Ἴᩘ(10 Hz)㏆࡙࠸ࡓࡇࡀ㸪ࢣ࣮ࢯࣥኳ➃ຍ㏿ᗘࡢቑຍཎᅉࡣㄆࡵࡽࢀ࡞
࠸㸬ࢣ࣮ࢯࣥࡢືࡁࡀ࣮࡛ࣥ࢝ᛴᢚไࡉࢀࡿᣲືኚࡋࡓࡓࡵ㸪࣮ࣥ࢝⾪ᧁ
ⓗ࡞ຊࡀຍࢃࡾ㸪ຍ㏿ᗘࡀࡁࡃ࡞ࡗࡓ⪃࠼ࡽࢀࡿ㸬
4000
478 1972
1550
䜰䞁䜹䞊
812
930 200
㻠㻡㼻
93020070300
ຍ㏿ᗘィ
ᇶ♏ᤞ▼
䜿䞊䝋䞁
㎸▼
AH7
ཎᆅ┙㻔ᅛฎ⌮㻕
ᇙᅵ㻔Ẽ୰㻕
ᇙᅵ㻔Ỉ୰㻕
AH1
0 2 4 6 8
0 20 40 60 80 100
ຍ㏿ᗘᛂ⟅ಸ⋡
࿘Ἴᩘ(Hz)
ຍ1ᅇ┠
ຍ2ᅇ┠
ຍ3ᅇ┠
0 2 4 6 8
0 20 40 60 80 100
ຍ㏿ᗘᛂ⟅ಸ⋡
࿘Ἴᩘ(Hz)
ຍ1ᅇ┠
ຍ2ᅇ┠
ຍ3ᅇ┠
(a) CASE-1㸸࣮ࣥ࢝࡞ࡋ (b) CASE-2㸸࣮ࣥ࢝࠶ࡾ
ᅗ-5. 15 ࢣ࣮ࢯࣥኳ➃(AH1)ࡢᅵᵴᗏ∧(AH1)ᑐࡍࡿຍ㏿ᗘᛂ⟅ಸ⋡
(ᇶ♏ᤞ▼ᒙཌ200 mm)
⾲-5. 7 ࢣ࣮ࢯࣥࡢ1ḟᅛ᭷࿘Ἴᩘ
CASE-1 CASE-2 ຍ1ᅇ┠ 20 20 ຍ2ᅇ┠ 20 20 ຍ3ᅇ┠ 20 20
ᖹᆒ 20 20
䝟䝹䝇Ἴ ຍᅇᩘ
1ḟᅛ᭷ືᩘ (Hz)
➨5❶㻌 䜾䝷䜴䞁䝗䜰䞁䜹䞊䛻䜘䜛㔜ຊᘧᓊቨ䛾⪏㟈⿵ᙉຠᯝ䛻㛵䛩䜛ືྎᐇ㦂㻌
5.4.2 ᓊቨ䛾㐣㛫㝽Ỉᅽ≉ᛶ㻌
ᇶ♏ᤞ▼ᒙཌ200 mmࡢሙྜ(CASE-1, 2)ࡢ㐣㛫㝽Ỉᅽ้Ṕࢆᅗ-5. 16♧ࡍ㸬ᇙ ᅵࡢ㐣㛫㝽Ỉᅽ(W5,6)ࡼࡿ㸪ධຊຍ㏿ᗘࡀࣆ࣮ࢡ㐩ࡍࡿ1⛊㏆ࡽỈᅽࡀୖ᪼ࡋ ጞࡵ㸪ຍ୰ࣆ࣮ࢡ㐩ࡋࡓ㸬࣮ࣥ࢝࡞ࡋ(CASE-1)࡛ࡣ್᭱ࡀ᭷ຠୖ㍕ᅽ㐩ࡋ࡚࠾
ࡾ㸪ຍ⤊ྠỈᅽࡀῶᑡࡋࡣࡌࡵ㸪⣙1⛊ᚋỈᅽࡀᾘᩓࡋࡓ㸬࣮ࣥ࢝࡞
ࡋ(CASE-2)࡛ࡢᾮ≧ᒙୖ㒊(W6)ࡢ㐣㛫㝽Ỉᅽࡣ᭷ຠୖ㍕ᅽ㏆ࡃࡲ࡛ቑຍࡋ࡚࠸ࡿࡀ㸪ୗ
㒊(W5)࡛ࡣ᭷ຠୖ㍕ᅽࡢ3⛬ᗘࡲ࡛ࡋ㐩ࡋ࡚࠸࡞࠸㸬Ỉᅽࡣຍ⤊๓ῶᑡࡋࡣࡌ
ࡵ㸪ࡉࡽຍ⤊ࡁࡃῶᑡࡋ࡚࠸ࡿ㸬
W5, 6 W5:Max= 7.7 , W6:Max= 3.3 W5, 6 W5:Max= 7.7 , W6:Max= 3.3
W1, 2 W1:Max= 2.2 , W2:Max= 1.5 W1, 2 W1:Max= 2.2 , W2:Max= 1.5
-5 0 5 10
0 5 10 15 20
t (s)
E.P.W.P. (kPa)
W1 W2
᭷ຠୖ㍕ᅽ ຍ
-5 0 5 10
0 5 10 15 20
t (s)
E.P.W.P. (kPa)
W5 W6
᭷ຠୖ㍕ᅽ ຍ
-5 0 5 10
0 5 10 15 20
t (s)
E.P.W.P. (kPa)
W1 W2
᭷ຠୖ㍕ᅽ ຍ
-5 0 5 10
0 5 10 15 20
t (s)
E.P.W.P. (kPa)
W5 W6
᭷ຠୖ㍕ᅽ ຍ
(a) ࣮ࣥ࢝࡞ࡋ(CASE-1) (b) ࣮ࣥ࢝࠶ࡾ(CASE-2)
ᅗ-5. 16 㐣㛫㝽Ỉᅽ้Ṕ (ᇶ♏ᤞ▼ᒙཌ200 mm) W1
W2 W6
W5
➨5❶㻌 䜾䝷䜴䞁䝗䜰䞁䜹䞊䛻䜘䜛㔜ຊᘧᓊቨ䛾⪏㟈⿵ᙉຠᯝ䛻㛵䛩䜛ືྎᐇ㦂㻌
ᇶ♏ᤞ▼ᒙཌ400 mmࡢሙྜ(CASE-3, 4)ࡢ㐣㛫㝽Ỉᅽ้Ṕࢆᅗ-5. 17♧ࡍ㸬ᇙ ᅵࡢ㐣㛫㝽Ỉᅽ้ṔἼᙧ(W5,6)ࡼࡿ㸪࣮ࣥ࢝࠶ࡾࡢCASE-4࡛ࡣධຊຍ㏿ᗘࡀࣆ
࣮ࢡ㐩ࡍࡿ1⛊㏆ࡽỈᅽࡀୖ᪼ࡋጞࡵ㸪ຍ୰ࣆ࣮ࢡ㐩ࡋࡓ㸬㐣㛫㝽Ỉᅽẚࡣ 1㐩ࡋ࡚࠾ࡾ㸪ᇙᅵࡣᾮ≧ࡋࡓุ᩿ࡉࢀࡿ㸬
ᅗ-5. 17ࡼࡿ㸪࣮ࣥ࢝࡞ࡋࡢCASE-3࡛ࡣ㸪ᇙᅵࡢ㐣㛫㝽Ỉᅽ(W6)ࡢୖ᪼㏿ᗘࡀ 㐜ࡃ࡞ࡗ࡚࠸ࡿ㸬బ⸨13)ࡣࢣ࣮ࢯࣥࡢᛴ⃭࡞ᾏഃࡢỈᖹ⛣ືࡼࡗ࡚⫼ᚋᆅ┙ࡢ㐣㛫㝽 Ỉᅽࡀ㈇࡞ࡿഴྥࡀ࠶ࡿࡇࢆᣦࡋ࡚࠾ࡾ㸪CASE-3࡛ࡣࢣ࣮ࢯࣥࡀ๓㠃ഃⴭࡋࡃኚ
ࡋࡓࡓࡵ⫼ᚋᆅ┙ࡢ㐣㛫㝽Ỉᅽࡀୖࡀࡾࡃࡗࡓྍ⬟ᛶࡀ࠶ࡿ㸬
W5, 6 W5:Max= 3.9 , W6:Max= 2.5 W5, 6 W5:Max= 3.9 , W6:Max= 2.5
W1, 2 W1:Max= 0.7 , W2:Max= 0.6 W1, 2 W1:Max= 0.7 , W2:Max= 0.6
-5 0 5 10
0 5 10 15 20
t (s)
E.P.W.P. (kPa)
W2 W3
᭷ຠୖ㍕ᅽ ຍ
-5 0 5 10
0 5 10 15 20
t (s)
E.P.W.P. (kPa)
W5 W6
᭷ຠୖ㍕ᅽ ຍ
-5 0 5 10
0 5 10 15 20
t (s)
E.P.W.P. (kPa)
W2 W3
᭷ຠୖ㍕ᅽ ຍ
-5 0 5 10
0 5 10 15 20
t (s)
E.P.W.P. (kPa)
W5 W6
᭷ຠୖ㍕ᅽ ຍ
(a) ࣮ࣥ࢝࡞ࡋ(CASE-3) (b) ࣮ࣥ࢝࠶ࡾ(CASE-4)
ᅗ-5. 17 㐣㛫㝽Ỉᅽ้Ṕ (ᇶ♏ᤞ▼ᒙཌ400 mm)
W2 W6
W5 W1
➨5❶㻌 䜾䝷䜴䞁䝗䜰䞁䜹䞊䛻䜘䜛㔜ຊᘧᓊቨ䛾⪏㟈⿵ᙉຠᯝ䛻㛵䛩䜛ືྎᐇ㦂㻌 㐣㛫㝽Ỉᅽẚࡢ್᭱ศᕸࢆᅗ-5. 18㸪ᅗ-5. 19♧ࡍ㸬㐣㛫㝽Ỉᅽẚࡣ㸪㐣㛫 㝽Ỉᅽࢆ᭷ຠୖ㍕ᅽ࡛㝖ࡋࡓ್ࡋࡓ㸬ࡉࡽ㸪ືỈᅽᡂศࢆ㝖እࡍࡿࡓࡵ㸪1Hz ࡢࣟ
࣮ࣃࢫࣇࣝࢱࡼࡾ㧗࿘Ἴᡂศࢆ㝖ཤࡋࡓ㸬
ᇙᅵ(W5,6)╔┠ࡍࡿ㸪CASE-1㸪4ࡢ㐣㛫㝽Ỉᅽẚࡣ1㐩ࡋ࡚࠾ࡾ㸪ᾮ
≧ࡋࡓุ᩿ࡉࢀࡿ㸬CASE-2࠾ࡼࡧCASE-3ࡢ㐣㛫㝽Ỉᅽẚࡢ್᭱ࡣ㸪ୖᒙ(W6)
࡛ࡑࢀࡒࢀ⣙0.8 ࠾ࡼࡧ⣙0.9 ࡛࠶ࡾ㸪᭷ຠᣊ᮰ᅽࡢῶᑡࡼࡾ๛ᛶࡀⴭࡋࡃపୗࡋࡓ
ุ᩿ࡉࢀࡿ㸬CASE-2࡛㐣㛫㝽Ỉᅽࡢ್᭱ࡀᑠࡉࡃ࡞ࡗࡓࡢࡣ㸪ࡢࢣ࣮ࢫẚ࡚ࢣ
࣮ࢯࣥࡢኚࡀ᭱ࡶᑠࡉࡗࡓࡓࡵ㸪⫼ᚋᆅ┙ࡢࡏࢇ᩿ኚᙧࡀᢚ࠼ࡽࢀࡓࡇࡀ୍ࡘࡢཎᅉ
ࡋ࡚⪃࠼ࡽࢀࡿ㸬
㎸▼ࡢ㐣㛫㝽Ỉᅽẚ(W1㸪2)ࡣ㸪࡛᭱ࡶ⣙ 0.2 ࡲ࡛ࡋ㐩ࡋ࡚࠾ࡽࡎ㸪᭷ຠᣊ᮰ᅽ ࡢῶᑡࡼࡿ๛ᛶపୗࡣㄆࡵࡽࢀ࡞࠸㸬
0 500 1000 1500
0.0 0.5 1.0 1.5
ᅵᵴᗏ㠃ࡽࡢ㧗ࡉ(mm)
㐣㛫㝽Ỉᅽẚ
࣮ࣥ࢝࡞ࡋ(CASE-1)
࣮ࣥ࢝࠶ࡾ(CASE-2)
W1 W2
0 500 1000 1500
0.0 0.5 1.0 1.5
ᅵᵴᗏ㠃ࡽࡢ㧗ࡉ(mm)
㐣㛫㝽Ỉᅽẚ
࣮ࣥ࢝࡞ࡋ(CASE-1)
࣮ࣥ࢝࠶ࡾ(CASE-2)
W5 W6
(a) ㎸▼ (b) ᇙᅵ
ᅗ-5. 18 㐣㛫㝽Ỉᅽẚࡢ್᭱ศᕸ (ᇶ♏ᤞ▼ᒙཌ200 mm)
0 500 1000 1500
0.0 0.5 1.0 1.5
ᅵᵴᗏ㠃ࡽࡢ㧗ࡉ(mm)
㐣㛫㝽Ỉᅽẚ
࣮ࣥ࢝࡞ࡋ(CASE-3)
࣮ࣥ࢝࠶ࡾ(CASE-4)
W1 W2
0 500 1000 1500
0.0 0.5 1.0 1.5
ᅵᵴᗏ㠃ࡽࡢ㧗ࡉ(mm)
㐣㛫㝽Ỉᅽẚ
࣮ࣥ࢝࡞ࡋ(CASE-3)
࣮ࣥ࢝࠶ࡾ(CASE-4)
W5 W6
(a) ㎸▼ (b) ᇙᅵ ᅗ-5. 19 㐣㛫㝽Ỉᅽẚศᕸ (ᇶ♏ᤞ▼ᒙཌ400 mm)
➨5❶㻌 䜾䝷䜴䞁䝗䜰䞁䜹䞊䛻䜘䜛㔜ຊᘧᓊቨ䛾⪏㟈⿵ᙉຠᯝ䛻㛵䛩䜛ືྎᐇ㦂㻌
5.4.3 ᓊቨ䛾ኚᙧ≉ᛶ㻌
ᇶ♏ᤞ▼ᒙཌ200 mmࡢሙྜ(CASE-1, 2)ࡢᓊቨࡢኚ้Ṕࢆᅗ-5. 20♧ࡍ㸬
D1:Max= 35 , D2:Max= 20 D1:Max= 16 , D2:Max= 10
D3:Max= 8 , D4:Min= -3 D3:Max= 8 , D4:Max= 6
Max= 2.5 Max= 1.0
D5:Max= 30 , D8:Max= 19 D5:Max= 26 , D8:Max= 11
ᆅ⾲㠃ỿୗ㔞 ᆅ⾲㠃ỿୗ㔞
䡵䡬䡻䢙Ỉᖹኚ 䡵䡬䡻䢙Ỉᖹኚ
䡵䡬䡻䢙ỿୗ㔞 䡵䡬䡻䢙ỿୗ㔞
䡵䡬䡻䢙ഴᩳゅ 䡵䡬䡻䢙ഴᩳゅ
0 20 40 60
0 2 4 6 8 10
t (s)
Disp. (mm) D1䠖䜿䞊䝋䞁(ୖ)
D2䠖䜿䞊䝋䞁(ୗ) ຍ
-10 0 10 20 30
0 2 4 6 8 10
t (s)
Disp. (mm)
D3䠖䜿䞊䝋䞁(๓㠃ഃ) D4䠖䜿䞊䝋䞁(⫼㠃ഃ)
ຍ
0 20 40 60
0 2 4 6 8 10
t (s)
Disp. (mm) D1䠖䜿䞊䝋䞁(ୖ)
D2䠖䜿䞊䝋䞁(ୗ) ຍ
-10 0 10 20 30
0 2 4 6 8 10
t (s)
Disp. (mm)
D3䠖䜿䞊䝋䞁(๓㠃ഃ) D4䠖䜿䞊䝋䞁(⫼㠃ഃ)
ຍ
0 20 40 60
0 2 4 6 8 10
t (s)
Disp. (mm)
D5䠖ᆅ⾲㠃(๓㠃ഃ) D8䠖ᆅ⾲㠃(⫼㠃ഃ)
ຍ
0 20 40 60
0 2 4 6 8 10
t (s)
Disp. (mm)
D5䠖ᆅ⾲㠃(๓㠃ഃ) D8䠖ᆅ⾲㠃(⫼㠃ഃ) ຍ
0 2 4 6
0 2 4 6 8 10
t (s)
Angle (%)
ຍ
0 2 4 6
0 2 4 6 8 10
t (s)
Angle (%)
ຍ
(a) ࣮ࣥ࢝࡞ࡋ(CASE-1) (b) ࣮ࣥ࢝࠶ࡾ(CASE-2) ᅗ-5. 20 ᓊቨࡢኚ้Ṕ (ᇶ♏ᤞ▼ᒙཌ200 mm)
D8 D5
D4 D3 D1 D2
๓㠃ഃ ⫼㠃ഃ
ኚ
+ +
➨5❶㻌 䜾䝷䜴䞁䝗䜰䞁䜹䞊䛻䜘䜛㔜ຊᘧᓊቨ䛾⪏㟈⿵ᙉຠᯝ䛻㛵䛩䜛ືྎᐇ㦂㻌 ࢣ࣮ࢯࣥࡢഴᩳゅࡣᘧ(5.1)ࡼࡾ⟬ฟࡋࡓ㸬
2 100 1
L D
D (5.1)
ࡇࡇ࡛㸪 㸸ࢣ࣮ࢯࣥഴᩳゅ (%)㸪D1, D2㸸ኚィD1, D2ࡼࡿỈᖹኚ (mm) L㸸ኚィD1D2ࡢ㊥㞳 (600 mm)
ᅗ-5. 20ࡼࡿ㸪ࢣ࣮ࢯࣥࡢഴᩳゅࡣຍ୰ቑῶࢆ⧞ࡾ㏉ࡋ࡚࠾ࡾ㸪ࢣ࣮ࢯࣥࡀࣟࢵ
࢟ࣥࢢࡋ࡚࠸ࡓࡇࢆ♧ࡋ࡚࠸ࡿ㸬ࢣ࣮ࢯࣥୖ㒊ࡢỈᖹኚ(D1)ࡼࡿ㸪࣮ࣥ࢝࡞ࡋࡢ CASE-1࡛ࡣ㸪ࢣ࣮ࢯࣥࡣ㛫ẚࡋ࡚┤⥺ⓗ๓㠃ഃኚࡍࡿഴྥࢆ♧ࡋ࡚࠾ࡾ㸪
࣮ࣥ࢝࠶ࡾࡢCASE-2ẚ࡚㸪ኚࡢቑຍࢫࣆ࣮ࢻ࠾ࡼࡧṧ␃ኚࡀ⣙2ಸ࡞ࡗ࡚࠸ࡿ㸬
୍᪉㸪࣮ࣥ࢝࠶ࡾࡢCASE-2࡛ࡣ㸪1.5⛊㏆࡛ࢣ࣮ࢯࣥࡢኚቑຍࢫࣆ࣮ࢻࡀⴭࡋࡃపୗ
ࡋ࡚࠸ࡿ㸬
ࢣ࣮ࢯࣥࡢ㖄┤ኚ(D3,4)ࡣ㸪Ỉᖹኚ␗࡞ࡿἼᙧࢆ♧ࡋ࡚࠸ࡿ㸬≉㸪࣮ࣥ࢝࡞ࡋ ࡢሙྜࡣ㸪ࢣ࣮ࢯࣥ⫼㠃ഃࡢ㖄┤ኚ(D4)ࡀ㈇ࡢ್ࢆ♧ࡋ࡚࠾ࡾ㸪ࢣ࣮ࢯࣥࡢഴᩳࡼࡗ࡚
㖄┤ୖྥࡁኚࡍࡿᣲືࢆ♧ࡋ࡚࠸ࡿ㸬ࡋࡋ㸪࣮ࣥ࢝࠶ࡾࡢሙྜࡣ㸪ࢣ࣮ࢯࣥࡢỈᖹ ኚࡀᴫࡡ᮰ࡋࡓᚋࡶ⫼㠃ഃࡢỿୗࡀቑຍࡋ࡚࠸ࡿ㸬ࡇࡢࡇࡣ㸪࣮ࣥ࢝ᙇຊࡢ㖄┤ᡂ ศࡼࡗ࡚ࢣ࣮ࢯࣥࡢỿୗ㔞ࡀࡁࡃ࡞ࡿࡇࢆ♧၀ࡋ࡚࠸ࡿ㸬
ᆅ⾲㠃タ⨨ࡋࡓࢱ࣮ࢤࢵࢺࡼࡿᆅ⾲㠃ṧ␃ᙧ≧ࢆᅗ-5. 21♧ࡍ㸬ྠᅗࡣኚィD1㸪
D2㸪D3 ࡼࡿィ ኚࡽồࡵࡓࢣ࣮ࢯࣥᙧ≧ࢆేࡏ࡚♧ࡍ㸬ࢣ࣮ࢯࣥࡣ๓㠃ഃഴᩳࡋ
࡞ࡀࡽኚࡋ㸪๓㊑ࡀᇶ♏ᤞ▼㈏ධࡋ࡞ࡀࡽỿୗࡍࡿኚ࣮ࣔࢻࢆ♧ࡋ࡚࠸ࡿ㸬ࢣ࣮ࢯࣥ
ࡢኚ࠾ࡼࡧഴᩳࡣ㸪࣮࡛ࣥ࢝⿵ᙉࡉࢀࡓCASE-2ࡢ᪉ࡀᑠࡉ࠸㸬ࢣ࣮ࢯࣥ⫼ᚋᆅ⾲㠃ࡣ㸪
యⓗỿୗࡋ㸪๓㠃ഃỈᖹኚࡋ࡚࠸ࡿ㸬ࡇࢀࡣ㸪ᾮ≧ࡼࡿᇙᅵࡢయ✚ᅽ⦰㸪࠾ࡼ
ࡧࢣ࣮ࢯࣥࡢኚࡶ࡞࠺⫼ᚋᆅ┙ࡢാᔂቯ㉳ᅉࡍࡿ⪃࠼ࡽࢀࡿ㸬ᇶ♏ᤞ▼ࡣ㸪ἲ 㠃ࡀỈᖹ᪉ྥኚࡋ࡚࠸ࡿ㸬ࡇࢀࡣ㸪ࢣ࣮ࢯࣥࡀᇶ♏ᤞ▼㈏ධࡍࡿࡁ㸪ᇶ♏ᤞ▼ࡀ ኚᙧࡋ๓㠃ഃᢲࡋฟࡉࢀࡓ⤖ᯝ⪃࠼ࡽࢀࡿ㸬
0 300 600 900 1200 1500
-2500 -2000
-1500 -1000
-500 0
500 1000
1500
Y (mm)
X (mm) ຍ๓
࣮ࣥ࢝࡞ࡋ(CASE-1)
࣮ࣥ࢝࠶ࡾ(CASE-2)
ᅗ-5. 21 ᓊቨࡢኚᙧᙧ≧ (ᇶ♏ᤞ▼ᒙཌ200 mm)
๓㠃ഃ ⫼㠃ഃ
ኚಸ⋡3ಸ
๓㊑ ᚋ㊑
➨5❶㻌 䜾䝷䜴䞁䝗䜰䞁䜹䞊䛻䜘䜛㔜ຊᘧᓊቨ䛾⪏㟈⿵ᙉຠᯝ䛻㛵䛩䜛ືྎᐇ㦂㻌 ࢣ࣮ࢯࣥࡢỈᖹኚ(D1)㸪㖄┤ኚ(D3)࠾ࡼࡧഴᩳゅࡢṧ␃್ࢆᅗ-5. 22♧ࡍ㸬ྠᅗࡼ
ࡿ㸪࣮ࣥ࢝࠶ࡾࡢCASE-2࠾ࡅࡿࢣ࣮ࢯࣥࡢỈᖹኚ㸪㖄┤ኚ࠾ࡼࡧഴᩳゅࡢṧ␃
್ࡣ㸪࣮ࣥ࢝࡞ࡋࡢCASE-1ẚ㍑ࡋ࡚㸪Ỉᖹኚࡀ57 %㸪㖄┤ኚࡀ2 %㸪ഴᩳゅࡀ66 % పῶࡋࡓ㸬ࡇࡢ⤖ᯝࡽ㸪ᇶ♏ᆅ┙ࡀሀᅛ࡞ሙྜ㸪࣮ࣥ࢝ࡼࡿ⪏㟈⿵ᙉࡀ᭷ຠ࡛࠶ࡾ㸪
≉ࢣ࣮ࢯࣥࡢỈᖹኚഴᩳゅࢆᢚไࡍࡿຠᯝࡀ㧗࠸ࡇࡀࢃࡿ㸬
0 20 40 60 80 100 120
䜰䞁䜹䞊䛺䛧 (CASE-1)
䜰䞁䜹䞊䛒䜚 (CASE-2)
ኚ (mm)
0 2 4 6
ഴᩳゅ (%)
Ỉᖹኚ(D1) 㖄┤ኚ(D3) ഴᩳゅ
ᅗ-5. 22 ࢣ࣮ࢯࣥࡢṧ␃ኚ࠾ࡼࡧഴᩳゅ (ᇶ♏ᤞ▼ᒙཌ200 mm)
ࢣ࣮ࢯࣥࡢỈᖹኚ(D1)ഴᩳゅࡢ⣔ิࢹ࣮ࢱࡢ㛵ಀࢆᅗ-5. 23♧ࡍ㸬ྠᅗࡼࡿ㸪 ୧⪅ࡢ㛵ಀࡣᴫࡡ⥺ᙧ㛵ಀࢆ♧ࡍࡇࡽ㸪ࢣ࣮ࢯࣥࡢኚࡣഴᩳࡼࡗ࡚⏕ࡌࡿỈᖹኚ
ࡀᨭ㓄ⓗ࡛࠶ࡿุ᩿ࡉࢀࡿ㸬
0 20 40 60 80
0 1 2 3 4 5 6
ࢣ࣮ࢯࣥୖ㒊Ỉᖹኚ (D1) (mm)
ࢣ࣮ࢯࣥഴᩳゅ(%)
࣮ࣥ࢝࡞ࡋ(CASE-1)
࣮ࣥ࢝࠶ࡾ(CASE-2)
ᅗ-5. 23 ࢣ࣮ࢯࣥࡢỈᖹኚഴᩳゅࡢ㛵ಀ (ᇶ♏ᤞ▼ᒙཌ200 mm)
ᇶ♏ᤞ▼ᒙཌ400 mmࡢሙྜ(CASE-3, 4)ࡢᓊቨࡢኚᙧ≉ᛶࡣ㸪CASE-3࡛ࢣ࣮ࢯࣥࡢ ኚࡀ㢧ⴭ࡛࠶ࡿࡶࡢࡢ㸪ኚࡢ้ṔἼᙧࡢᙧ≧㸪ᓊቨࡢኚᙧ࣮ࣔࢻ㸪࣮ࣥ࢝ࡼ
ࡗ࡚ᓊቨࡢኚࡀᢚไࡉࢀࡿᵝᏊࡘ࠸࡚㸪ᇶ♏ᤞ▼ᒙཌ200 mm ࡢሙྜ(CASE-1, 2)
ྠᵝ࡛࠶ࡿ㸬
➨5❶㻌 䜾䝷䜴䞁䝗䜰䞁䜹䞊䛻䜘䜛㔜ຊᘧᓊቨ䛾⪏㟈⿵ᙉຠᯝ䛻㛵䛩䜛ືྎᐇ㦂㻌