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第七回道路橋床版シンポジウム論文報告集 Experimental Study on Fatigue Resistance of RC Slab with UFC Panel for Wheel Running Fatique Test * ** ** *** **** Kazuhiko Minaku

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㍯Ⲵ㔜㉮⾜⑂ປᐇ㦂࡟ࡼࡿ 8)& ࣃࢿࣝ 5& ᗋ∧ࡢ⪏⑂ປᛶ࡟㛵ࡍࡿᐇ㦂◊✲

Experimental Study on Fatigue Resistance of RC Slab with UFC Panel for Wheel Running Fatique Test Ỉཱྀ࿴ᙪ*㸪㜿㒊ᛅ**㸪ᮌ⏣ဴ㔞**㸪⏣୰ᩄႹ***㸪᪂ᒣ♸ᶞ****

Kazuhiko Minakuchi, Tadashi Abe, Tetsukazu Kida, Satoshi Tanaka and Yuuki Niiyama *༤(ᕤ)㸪᪥ᮏ኱Ꮫຓᩍ㸪⏕⏘ᕤᏛ㒊ᅵᮌᕤᏛ⛉㸦ࠛ275-8575 ༓ⴥ┴⩦ᚿ㔝ᕷἨ⏫ 1-2-1㸧 **ᕤ༤㸪᪥ᮏ኱Ꮫᩍᤵ㸪⏕⏘ᕤᏛ㒊ᅵᮌᕤᏛ⛉㸦ࠛ275-8575 ༓ⴥ┴⩦ᚿ㔝ᕷἨ⏫ 1-2-1㸧

***༤(ᕤ)㸪ኴᖹὒࢭ࣓ࣥࢺ ୰ኸ◊✲ᡤ㸦ࠛ285-8655 ༓ⴥ┴బ಴ᕷ኱స 2-4-2㸧 ****᪥ᮏ኱Ꮫ኱Ꮫ㝔㸪⏕⏘ᕤᏛ◊✲⛉ᅵᮌᕤᏛᑓᨷ㸦ࠛ275-8575 ༓ⴥ┴⩦ᚿ㔝ᕷἨ⏫ 1-2-1㸧

The author conducted constant running load fatigue test using RC slab specimens prepared with an ordinary form and specimens of RC slab with two kind of UFC panel. The results of the constant running load fatigue test indicated that the number of running cycles during which RC slabs with UFC panel failed was about 5.29-58.67 times more than RC slabs. The dimpled surface of the UFC increased the adhesion between the UFC panel and the RC slab, which proved the effects of the composite structure. Therefore, the RC slabs with UFC panel increased the load-carrying capacity and fatigue durability performance and was evaluated as a practical structure.

Key Words: RC slab with UFC panel, Fatigue resistance, Number of equivalent cycles

࣮࣮࢟࣡ࢻ㸸UFC ࣃࢿࣝ RC ᗋ∧㸪⪏⑂ປᛶ㸪➼౯㉮⾜ᅇᩘ 㸯㸬ࡣࡌࡵ࡟   ㏆ᖺ㸪ᘓタ஦ᴗ㈝ࡢ⦰ῶ࡟ࡼࡾ㸪㐨㊰ᶫ࡟࠾࠸࡚ ࡣ᪋ᕤࡢྜ⌮໬࣭┬ຊ໬ࢆᅗࡿࡇ࡜ࡀ㔜せㄢ㢟࡜࡞ ࡗ࡚࠸ࡿ㸬ࡑࡢᑐ⟇ࡢ㸯ࡘ࡜ࡋ࡚㸪㗰᱆ᶫᱱ࡛ࡣከ ᩘ୺᱆ᵓ㐀࠿ࡽᑡᩘ୺᱆ᵓ㐀࡬࡜ᵓ㐀ᙧᘧࡢ⡆␎ ໬ࡀ㐍ࡵࡽࢀ࡚࠾ࡾ㸪ࡇࢀ࡟ᑐᛂࡍࡿࡓࡵࡢ㛗ᨭ 㛫࣭㧗⪏ஂᛶࢆ᭷ࡍࡿᗋ∧ᵓ㐀ࡀồࡵࡽࢀ࡚࠸ࡿ㸬 ࡇࢀࡽࡢࡇ࡜࠿ࡽྛ◊✲ᶵ㛵ࡸ௻ᴗ࡛ࡣ㸪ᗋ∧ࡢ㛗 ᨭ㛫໬࡟ᑐᛂ࡛ࡁࡿ᪂ᗋ∧ࡢ㛤Ⓨࡀ⢭ຊⓗ࡟ᐇ᪋ ࡉࢀ࡚࠸ࡿ㸬 ୍᪉࡛㸪RC 㒊ᮦࡢ᪋ᕤ࡟࠾ࡅࡿሙᡤᡴࡕࢥࣥࢡ ࣮ࣜࢺᆺᯟࡢྲྀࡾእࡋᕤ⛬ࢆ┬␎ࡋ㸪᪋ᕤࡢྜ⌮ ໬࣭┬ຊ໬㸪ࡉࡽ࡟ࡣᆺᯟྜᯈࡢ౑⏝ࢆపῶࡍࡿࡇ ࡜࡟ࡼࡾ᳃ᯘ㈨※ࡢಖㆤࡸ⏘ᴗᗫᲠ≀ࢆῶᑡࡉࡏ ࡿ࡞࡝ࡢ⎔ቃಖ඲ຠᯝࡶᮇᚅ࡛ࡁࡿ㉸㧗ᙉᗘ⧄⥔ ⿵ᙉࢥࣥࢡ࣮ࣜࢺ㸦Ultra High Strength Fiber Reinforced Concrete㸸௨ୗ㸪UFC ࡜⛠ࡍ㸧࡛〇సࡋࡓᇙタᆺᯟ ࡀᥦ᱌ࡉࢀ࡚࠸ࡿ1, 2)㸬UFC ࡣ㸪ࢭ࣓ࣥࢺ⣔ᮦᩱ࡟ 㗰 ⧄ ⥔ ࢆ ΰ ධ ࡋ ࡓ ࡶ ࡢ ࡛ ࠶ ࡾ 㸪 ᅽ ⦰ ᙉ ᗘ ࡀ 200N/mm2ࢆ᭷ࡍࡿ㸬ࡲࡓ㸪㏻ᖖࡢ㧗ᙉᗘࢥࣥࢡࣜ ࣮ࢺ࡟ẚ࡭㸪ࡌࢇᛶ࡟ࡶඃࢀࡓᵓ㐀ᮦᩱ࡛࠶ࡿࡇ࡜ ࠿ࡽ㸪㐨㊰ᶫᗋ∧࡟⏝࠸ࡿࡇ࡜࡛⪏⑂ປᛶࡢྥୖ࡟ ᐤ୚ࡍࡿࡶࡢ࡜⪃࠼ࡽࢀࡿ 3)㸬ࡇࡇ࡛㸪RC ᗋ∧㒊 ࡜ UFC ࣃࢿࣝࢆྜᡂᵓ㐀࡜ࡍࡿሙྜ㸪ࡑࡢྜᡂຠ ᯝࢆ㧗ࡵࡿࡇ࡜ࡀᚲせ࡜࡞ࡿࡇ࡜࠿ࡽ㸪RC ᗋ∧㒊 ࡜ྜᡂࡉࡏࡿ UFC ࣃࢿࣝࡢ⾲㠃㸦௨ୗ㸪ྜᡂ㠃࡜ ⛠ࡍ㸧ࡢᙧ≧ࡀ㔜せ࡜࡞ࡿ㸬 ࡑࡇ࡛ᮏ◊✲࡛ࡣ㸪UFC ࣃࢿࣝࢆ㐨㊰ᶫ RC ᗋ∧ ࡟㐺⏝ࡉࡏࡿࡇ࡜ࢆ┠ⓗ࡜ࡋ࡚㸪RC ᗋ∧ࡢᘬᙇ㕲 ➽࠿ࡪࡾෆ࡟ྜᡂࡉࡏࡓᵓ㐀(௨ୗ㸪UFCࣃࢿࣝ RC ᗋ∧࡜⛠ࡍ)ࢆᥦ᱌ࡋ㸪㏻ᖖࡢᆺᯟࢆ⏝࠸࡚〇సࡋ ࡓ RC ᗋ∧࠾ࡼࡧྜᡂ㠃ࡢᙧ≧ࡢ␗࡞ࡿ 2 ࢱ࢖ࣉࡢ UFCࣃࢿࣝ RC ᗋ∧ࡢ౪ヨయ࡟ᑐࡋ࡚㸪㍯Ⲵ㔜࡟ࡼ ࡿ㉮⾜⑂ປᐇ㦂ࢆ⾜࠸㸪➼౯㉮⾜ᅇᩘ㸪㉮⾜ᅇᩘ࡜ ࡓࢃࡳࡢ㛵ಀ㸪㉮⾜ᅇᩘ࡜㕲➽࣭UFC ࡦࡎࡳࡢ㛵 ಀ㸪◚ቯᙧ≧࠿ࡽ㸪UFC ࣃࢿࣝࡢྜᡂ㠃ᙧ≧ࡢ㐪 ࠸ࡀ⪏⑂ປᛶ࡟ཬࡰࡍᙳ㡪࡟ࡘ࠸᳨࡚ウࡍࡿ㸬ࡉࡽ ࡟㸪UFC ࣃࢿࣝ࡜ RC ᗋ∧㒊࡜ࡢྜᡂ⏺㠃࡟Ỉࡀᾐ ㏱ࡋࡓሙྜࡢᙳ㡪ࢆホ౯ࡍࡿࡓࡵ࡟㸪ᗋ∧ୖ㠃࠿ࡽ Ỉࡢ౵ධᏍࢆタࡅࡓ౪ヨయࢆ〇సࡋ㸪ྜᡂ⏺㠃࡬ࡢ Ỉࡢ౵ධࡀ⪏⑂ປᛶ࡬ཬࡰࡍᙳ㡪࡟ࡘ࠸࡚ࡢ᳨ウ ࡶ⾜࠺㸬  第七回道路橋床版シンポジウム論文報告集

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㸰㸬8)& ࣃࢿࣝࡢ≉ᚩ࠾ࡼࡧ౪ヨయࡢ౑⏝ᮦᩱ   8)& ࣃࢿࣝࡢ≉ᚩ UFC ࣃࢿࣝࡣ㸪20~30mm ⛬ᗘࡢⷧ⫗࡛࠶ࡿࡓࡵ〇 సࡀᐜ࡛᫆࠶ࡿ㸬ࡲࡓ㸪㧗ᙉᗘ࡛ᴟࡵ࡚⦓ᐦ࡞◳໬య ᵓ㐀࡛࠶ࡿࡓࡵ࡟㸪ሷศ࡞࡝ࡢ⭉㣗ᛶᅉᏊ࡟ࡼࡿᾐ㏱ ࢆ㐽᩿ࡋ㸪ࡉࡽ࡟ࡣ⪏⾪ᧁᛶ࡟ඃࢀ㸪෾⤖࡟ࡼࡿ⾲㠃 ࡢຎ໬ࡀ㐍⾜ࡋ࡞࠸࡞࡝ࡢ≉ᚩࡀ࠶ࡿ㸬RC ᗋ∧࡜ࡢ ⏺㠃ࡢᵓ㐀ࡣ㸪UFC ࣃࢿࣝ࡟พฝࢆタࡅࡿࡇ࡜࡟ࡼ ࡾ㸪RC ᗋ∧࡜୍యᛶࡀᅗࡽࢀ㸪ྜᡂᵓ㐀ࡢ᭷ຠ᩿㠃 ࡜ࡋ࡚ᶵ⬟ࡉࡏࡿࡇ࡜ࡀྍ⬟࡛࠶ࡿ㸬   㓄ྜ࠾ࡼࡧ౑⏝ᮦᩱ  5& ᗋ∧ RCᗋ∧ࡢࢥࣥࢡ࣮ࣜࢺ࡟ࡣ㸪ᬑ㏻࣏ࣝࢺࣛࣥࢻ ࢭ࣓ࣥࢺ㸪5mm ௨ୗࡢ○◁࠾ࡼࡧ 5mm~20mm ࡢ○ ▼ࢆ౑⏝ࡍࡿ㸬㕲➽ࡣ SD295A㸪D10 ࢆ౑⏝ࡍࡿ㸬 ࡇࡇ࡛㸪ࢥࣥࢡ࣮ࣜࢺࡢ㓄ྜࢆ⾲1㸪ࢥࣥࢡ࣮ࣜࢺ ࠾ࡼࡧ㕲➽ࡢᮦᩱ≉ᛶ್ࢆ⾲2 ࡟♧ࡍ㸬࡞࠾㸪⾲ 2 ࡟♧ࡋࡓࢥࣥࢡ࣮ࣜࢺࡢᅽ⦰ᙉᗘࡣᐇ㦂᫬࡟ィ  ࡋࡓᖹᆒ್࡛࠶ࡿ㸬  8)& ࣃࢿࣝ UFCࣃࢿࣝࡢ౑⏝ᮦᩱࡣ㸪Ỉ(W)㸪࣏ࣜ࢝ࣝ࣎ࣥ㓟 ⣔ࡢ㧗ᛶ⬟ῶỈ๣(SP)㸪ࣉ࣑ࣞࢵࢡࢫᮦᩱ(DP㸪ᐦᗘ 2.85g/cm3)࠾ࡼࡧ㗰⧄⥔(FM㸪ᐦᗘ 7.85g/cm3)࡜ࡍࡿ㸬 ࣉ࣑ࣞࢵࢡࢫᮦࡣ⌛◁㸪ࢩࣜ࢝ࣇ࣮࣒ࣗ㸪཯ᛂᛶᚤ ⢊ᮎ࡞࡝ࡀ᭱ᐦ඘ሸࡉࢀࡿࡼ࠺࡟㓄ྜࢆ⾜࠺㸬㗰⧄ ⥔ࡣ㛗ࡉ 15mm㸪┤ᚄ 0.2mm ࢆయ✚ẚ࡛ 2.0%ΰ⦎ ࡍࡿ㸬ࡲࡓ㸪⢒㦵ᮦࡣ౑⏝ࡏࡎ࡟᭱኱⢏ᚄ 2mm ࡢ ◡◁ࢆΰྜࡍࡿ㸬ΰ࿴๣౑⏝㔞ࡣ㸪┠ᶆࣇ್࣮ࣟࡣ 240mm࡜ࡋ࡚Ỵᐃࡍࡿ㸬ࡇࡇ࡛㸪UFC ࣃࢿࣝࡢ㓄 ྜࢆ⾲3㸪UFC ࣃࢿࣝࡢᮦᩱ≉ᛶ್ࢆ⾲4 ࡟♧ࡍ㸬   ౪ヨయᑍἲ ᮏ౪ヨయࡣ㐨㊰ᶫ♧᪉᭩࣭ྠゎㄝ4)࡟ᇶ࡙ࡁ㸪RC ᗋ∧ࡢタィᨭ㛫࡜኱ᆺ㌴୧ࡢ୍᪥୍᪉ྥ࠶ࡓࡾࡢ ィ⏬஺㏻㔞 2000 ྎ௨ୖࢆ᝿ᐃࡋ࡚ᗋ∧ཌ㸪㕲➽㔞 ࢆ⟬ฟࡋ㸪ࡑࡢ 1/2 ࣔࢹࣝ࡜ࡍࡿ㸬  5& ᗋ∧౪ヨయᑍἲ࠾ࡼࡧ㕲➽㓄⨨ RCᗋ∧౪ヨయࡢᑍἲࡣ㸪඲㛗1470mm㸪ᨭ㛫1200mm㸪 ཌࡉ 130mm ࡢ➼᪉ᛶ∧࡜ࡋࡓ㸬㕲➽ࡣ」㕲➽㓄⨨࡜ ࡋ㸪୺㕲➽࠾ࡼࡧ㓄ຊ➽ࢆ 100mm 㛫㝸࡟㓄⨨ࡋ㸪ᅽ ⦰ഃ㕲➽ࡣᘬᙇഃ㕲➽ࡢ 1/2 ࡢ㔞ࢆ㓄⨨ࡋࡓ㸬ࡲࡓ㸪 ᭷ຠ㧗ࡉࡣ㸪୺㕲➽ࡀ 105mm㸪㓄ຊ➽ࡣ 95mm ࡜ࡋࡓ㸬 ࢥࣥࢡ࣮ࣜࢺ ᅽ⦰ᙉᗘ 㝆అᙉᗘ ᘬᙇᙉᗘ ࣖࣥࢢಀᩘ N/mm2 N/mm2 N/mm2 kN/mm2 RC 35 368 568 200 U.RC-P 35 385 520 200 U.RC-C 27 385 520 200 U.RC-C-W 27 385 520 200 ౪ヨయ 㕲➽ SD295A,D10 ⾲2 ࢥࣥࢡ࣮ࣜࢺ࠾ࡼࡧ㕲➽ࡢᮦᩱ≉ᛶ್ ࢫࣛࣥࣉ ✵Ẽ㔞 W/C S/a (cm) (%) (%) (%) C W S G Ad RC U.RC-P U.RC-C U.RC-C-W 8.0±2.5 2.0±1.0 56.0 47.2 304 170 848 954 3.04 158 726 1094 4.0 ౪ヨయ 8.0±2.5 2.0±1.0 39.2 40.0 403 ༢఩㔞 (kg/m3) ⾲1 ࢥࣥࢡ࣮ࣜࢺࡢ㓄ྜ Ỉ㸦W㸧 㗰⧄⥔(FM) ῶỈ๣(SP) ࣉ࣑ࣞࢵࢡࢫ(DP) U.RC-P 180 158 29 2250 U.RC-C U.RC-C-W ౪ヨయ 2254 24 157 180 ༢ࠉࠉ఩ࠉࠉయࠉࠉ✚ࠉࠉ㔞䚷䚷䚷䚷 (kg/m3) ⾲3 UFC ࣃࢿࣝࡢ㓄ྜ ᅽ⦰ᙉᗘ ᭤ࡆᙉᗘ ࣖࣥࢢಀᩘ N/mm2 N/mm2 kN/mm2 U.RC-P 219.4 34.9 U.RC-C 213.2 32.0 U.RC-C-W 213.2 32.0 55.0 ౪ヨయ ⾲4 UFC ࣃࢿࣝࡢᮦᩱ≉ᛶ್ ྜᡂ㠃ཌ   UFCཌࡉ ྜᡂ㠃  㕲➽ ᗋ∧ࢥࣥࢡ࣮ࣜࢺ ȭ ȭ ྜᡂ㠃ཌ   UFCཌࡉ ྜᡂ㠃  ᗋ∧ࢥࣥࢡ࣮ࣜࢺ 㕲➽ (1)Pࢱ࢖ࣉ      (2)C ࢱ࢖ࣉ ᅗ2 ྜᡂ㠃ᙧ≧ 㸾㸻     㸾  㸻   '          㹁 㹂 㸿 㹀 CL ᘬᙇഃ ᅽ⦰ഃ 㸾㸻    '      㹁 㹂  㸾  㸻     㸿 㹀  () RCᗋ∧౪ヨయ () UFCࣃࢿࣝRC ᗋ∧౪ヨయ 35  ࡓࢃࡳ ᐃ఩⨨  ㉮⾜⑂ປ ᐇ㦂ࡢ ㉮⾜⠊ᅖ  ᅗ1 ౪ヨయᑍἲ࠾ࡼࡧ㕲➽㓄⨨

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ࡇࡇ࡛㸪౪ヨయᑍἲ࠾ࡼࡧ㕲➽㓄⨨ࢆᅗ1 ࡟♧ࡍ㸬  8)& ࣃࢿࣝ 5& ᗋ∧౪ヨయ  8)& ࣃࢿࣝࡢྜᡂ㠃࠾ࡼࡧᑍἲ  UFC ࣃࢿࣝ࡜ RC ᗋ∧ࡢᗏ㠃ࢥࣥࢡ࣮ࣜࢺ࡜ࡢྜᡂ ຠᯝࢆ㧗ࡵࡿࡓࡵ࡟ࡣ UFC ࣃࢿࣝࡢྜᡂ㠃ࡢᙧ≧ࡀ 㔜せ࡜࡞ࡿ㸬ᮏ◊✲࡛ࡣ㸪2 ࢱ࢖ࣉࡢྜᡂ㠃ࢆ౑⏝ࡍ ࡿ㸬᪤ ◊✲࡟ࡼࡿ࡜㸪ฝᆺ௜ࡁᆺᯟᮦࢆ⏝࠸࡚௜╔ 㠃࡟พ㒊ࢆ୍ᵝ࡟タࡅࡓࢱ࢖ࣉ(௨ୗ㸪Pࢱ࢖ࣉ)ࢆ᥇⏝ ࡋ࡚࠾ࡾ㸪P ࢱ࢖ࣉࡢࢥࣥࢡ࣮ࣜࢺ࡜ࡢᡴ⥅ࡂ㠃ࡢࡏ ࢇ᩿ࡦࡧ๭ࢀᙉᗘࡣ㸪ẕᮦࢥࣥࢡ࣮ࣜࢺ࡜ྠ⛬ᗘࡢ್ ࢆ♧ࡋ࡚࠸ࡿࡇ࡜࠿ࡽ༑ศ࡞௜╔ࡀᚓࡽࢀࡿࡇ࡜ࡀ ☜ㄆࡉࢀ࡚࠸ࡿ5, 6, 7)㸬P ࢱ࢖ࣉࡢพ㒊ࡣ┤ᚄ 9mm㸪ྜ ᡂ㠃ཌ 5mm ࡛࠶ࡾ㸪ྜᡂ㠃࡟࠾ࡅࡿࢥࣥࢡ࣮ࣜࢺ࡜ UFCࡢ㠃✚ẚࡣ 4㸸6 ࡛࠶ࡿ㸬ࡑࡇ࡛ᮏ◊✲࡛ࡣ㸪ࡉ ࡽ࡞ࡿ௜╔ຊࡢྥୖࢆᅗࡿࡓࡵ࡟㸪UFC ࣃࢿࣝ࡟ ᤄධࡉࢀࡿࢥࣥࢡ࣮ࣜࢺ㔞ࢆቑຍࡉࡏ㸪ฝ㒊ࢆ୍ᵝ ࡟タࡅࡓᵓ㐀 ௨ୗ㸪C ࢱ࢖ࣉ ࢆᥦ᱌ࡍࡿ㸬C ࢱ࢖ ࣉࡢྜᡂ㠃࡟࠾ࡅࡿࢥࣥࢡ࣮ࣜࢺ࡜ UFC ࡢ㠃✚ẚࡣ 6㸸4 ࡛࠶ࡿ㸬ࡇࡇ࡛㸪P ࢱ࢖ࣉࡢྜᡂ㠃ᙧ≧࠾ࡼࡧ᩿ 㠃ᙧ≧ࢆᅗ2(1)࡟㸪C ࢱ࢖ࣉࡢྜᡂ㠃ᙧ≧࠾ࡼࡧ᩿㠃 ᙧ≧ࢆᅗ2(2)࡟♧ࡍ㸬  UFC ࣃࢿࣝࡢᑍἲࡣ㸪ᖜ 1470mm㸪᭷ຠཌ 150mm㸪 ྜᡂ㠃ཌࡣ 5mm㸪඲ཌ 20mm ࡜ࡋ㸪RC ᗋ∧ࡢ࠿ࡪࡾ ෆ࡟ᇙタࡍࡿ㸬〇సࡣ㸪2 ࢱ࢖ࣉࡢ UFC ࣃࢿࣝ⏝ࡢᆺ ᯟ࡟ RC ࢆᡴタࡍࡿ㸬㣴⏕ࡣ㸪๓⨨ࡁ᫬㛫ࢆ 24 ᫬㛫࡜ ࡋ㸪⬺ᆺᚋࡢ⵨Ẽ㣴⏕ࡣ᭱㧗 ᗘ 90Υ࡛ 48 ᫬㛫ಖᣢ ࡍࡿ㸬  8)& ࣃࢿࣝ 5& ᗋ∧ࡢ᪋ᕤἲ  UFC ࣃࢿࣝ RC ᗋ∧౪ヨయస〇࡟࠾ࡅࡿ᪋ᕤᡭ㡰ࢆ ෗┿1 ࡟♧ࡍ㸬 UFCࣃࢿࣝ RC ᗋ∧౪ヨయࡢ〇సࡣ㸪ணࡵ〇సࡋࡓ UFC ࣃࢿࣝࢆタ⨨ࡋࡓᚋ࡟ഃ㠃ࡢᆺᯟࢆస〇ࡋ(෗┿ 1㸪1))㸪ணࡵ⤌ࢇ࡛࠾࠸ࡓ㕲➽ࢆ UFC ࣃࢿࣝࡢୖ㒊 ࡟㓄⨨ࡋࡓ(෗┿1㸪2))㸬ࡑࡢᚋ㸪ࢥࣥࢡ࣮ࣜࢺࢆᡴ タࡋ(෗┿1㸪3))㸪UFC ࣃࢿࣝ࡜ RC ᗋ∧ࢆ୍యᵓ㐀 ࡜ࡋࡓ㸬ࢥࣥࢡ࣮ࣜࢺᡴタᚋࡣ㏻ᖖࡢ RC ࡜ྠᵝ࡟ഃ 㠃ࡢᆺᯟࢆ⬺ᆺࡋ㸪㣴⏕ࢆ⾜ࡗࡓ㸬  8)& ࣃࢿࣝ 5& ᗋ∧ᑍἲ࠾ࡼࡧ㕲➽㓄⨨  UFC ࣃࢿࣝ RC ᗋ∧౪ヨయࡢᑍἲ࠾ࡼࡧ㕲➽㓄⨨ࡣ㸪 RCᗋ∧౪ヨయ࡜ྠᵝ࡛࠶ࡿ㸬ࡲࡓ㸪UFC ࣃࢿࣝࡣ RC ᗋ∧㒊ࡢᘬᙇ㕲➽࠿ࡪࡾ࡜ࡋ࡚⪃៖ࡋ࡚࠸ࡿࡇ࡜࠿ࡽ ᗋ∧ཌࡣ 130mm ࡛࠶ࡾ㸪ཌࡉ 20mm ࡢ UFC ࣃࢿࣝࢆ タ⨨ࡋࡓᚋ㸪┤᥋㕲➽ࢆ㓄⨨ࡍࡿ㸬ࡼࡗ࡚㸪᭷ຠ㧗ࡉ ࡣ୺㕲➽ࡀ 105mm㸪㓄ຊ➽ࡀ 95mm ࡛࠶ࡿ㸬ࡇࡇ࡛㸪 UFCࣃࢿࣝ RC ᗋ∧౪ヨయࡢᑍἲ࠾ࡼࡧ㕲➽㓄⨨ࢆᅗ 1 ࡟ేグࡍࡿ㸬  㸱㸬ᐇ㦂᪉ἲ   ㍯Ⲵ㔜㉮⾜⑂ປᐇ㦂᪉ἲ  ᮏ◊✲ࡣ㸪UFC ࣃࢿࣝ࡜ RC ᗋ∧ࢆྜᡂᵓ㐀࡜ࡋࡓ ሙྜࡢᐇ⏝ᛶࢆホ౯ࡍࡿࡇ࡜࠿ࡽ㸪ᐇ㦂࡛ࡣ㍯Ⲵ㔜㉮ ⾜࡟ࡼࡿ⑂ປᐇ㦂(௨ୗ㸪㉮⾜⑂ປᐇ㦂)ࢆ⾜࠸㸪⪏⑂ ປᛶ࡟㛵ࡍࡿ᳨ウࢆ⾜࠺㸬  ㉮⾜⑂ປᐇ㦂࡟࠾ࡅࡿ㉮⾜⠊ᅖࡣ㸪ᗋ∧୰ኸ࠿ࡽ୧ ᨭⅬ᪉ྥ࡟±450mm(඲㛗 900mm)࡜ࡍࡿ㸬ࡇࡢ㉮⾜⠊ ᅖࡣ㸪㍯Ⲵ㔜࡟ࡼࡿᛂຊࡀ 45°࡛ᗋ∧ࡢᗏ㠃᪉ྥ࡟ศ ᕸࡍࡿࡶࡢ࡜௬ᐃࡋ㸪タᐃࡍࡿ㸬㉮⾜⠊ᅖࢆᅗ1 ࡟ే グࡍࡿ㸬㉮⾜⑂ປᐇ㦂ࡢྛ౪ヨయྡ⛠ࡣ㸪㏻ᖖࡢᆺᯟ ࠿ࡽ〇సࡋࡓ RC ᗋ∧౪ヨయࢆ RC㸪ྜᡂ㠃ࢆ P ࢱ࢖ ࣉ࡜ࡋࡓ UFC ࣃࢿࣝ RC ᗋ∧౪ヨయࢆ U.RC-P㸪ྜᡂ 㠃ࢆ C ࢱ࢖ࣉ࡜ࡋࡓ౪ヨయࢆ U.RC-C㸪ྜᡂ㠃ࢆ C ࢱ ࢖ࣉ࡜ࡋ㸪ᗋ∧ୖ㠃࠿ࡽỈࡢ౵ධᏍࢆタࡅỈศࢆὀ ධࡍࡿ౪ヨయࢆ U.RC-C-W ࡜ࡍࡿ㸬ḟ࡟㸪ᗋ∧౪ヨ యࡣάⲴ㔜 100kN ࡛タィࡋ㸪ࡑࡢ 1/2 ࣔࢹࣝ࡜ࡋࡓࡇ ࡜࠿ࡽ㸪άⲴ㔜 100kN ࡢ 1/2 ࡢ 50kN ࡟Ᏻ඲⋡ 1.2 ࢆ⪃ ៖ࡋ࡚ 60kN ࢆᇶ‽Ⲵ㔜࡜ࡍࡿ㸬ྛ౪ヨయࡢⲴ㔜㍕Ⲵ ᪉ἲࡣ㸪RC1,2 ࡣⲴ㔜 80kN ࡛ 2 ୓ᅇࡲ࡛㉮⾜ࡋ㸪ࡑ ࡢᚋⲴ㔜 100kN ࡛㉮⾜ࡍࡿ㸬U.RC-P1,2 ࡣⲴ㔜 60kN ࡛ 2 ୓ᅇࡲ࡛㉮⾜ࡋ㸪ࡑࡢᚋⲴ㔜 80kN ࡛ 2 ୓ᅇ㸪100kN ࡛ 2 ୓ᅇ㸪100kN ௨㝆ࡣ 2 ୓ᅇࡈ࡜࡟ 10kN ࡎࡘቑຍ ࡉࡏࡿ㸬ࡲࡓ㸪౪ヨయ U.RC-C1,2,3 ࠾ࡼࡧ౪ヨయ ෗┿2 ㍯Ⲵ㔜㉮⾜⑂ປᐇ㦂≧ἣ 1)ࣃࢿࣝタ⨨ 2)㕲➽㓄⨨ 3)ࢥࣥࢡ࣮ࣜࢺᡴタ (2)㹁ࢱ࢖ࣉ ෗┿1 UFC ࣃࢿࣝ RC ᗋ∧౪ヨయࡢ᪋ᕤᡭ㡰 1)ࣃࢿࣝタ⨨ 2)㕲➽㓄⨨ 3)ࢥࣥࢡ࣮ࣜࢺᡴタ (1)㹎ࢱ࢖ࣉ

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U.RC-C-WࡣⲴ㔜 80kN ࡛ 2 ୓ᅇࡲ࡛㉮⾜ࡋ㸪ࡑࡢᚋ Ⲵ㔜 100kN ࡛ 2 ୓ᅇ㸪100kN௨㝆ࡣ 2 ୓ᅇࡈ࡜࡟ 10kN ࡎࡘቑຍࡉࡏࡿ㸬ࡇࡇ࡛㸪ᐇ㦂≧ἣࢆ෗┿2 ࡟♧ࡍ㸬  㸲㸬ᐇ㦂⤖ᯝ   ➼౯㉮⾜ᅇᩘ  ᮏᐇ㦂࡛ࡣ㸪2 ୓ᅇ㉮⾜ࡈ࡜࡟Ⲵ㔜ࢆቑຍࡍࡿẁ㝵 Ⲵ㔜㍕Ⲵ᪉ᘧࢆ⏝࠸ࡓࡇ࡜࠿ࡽ➼౯㉮⾜ᅇᩘࢆ⟬ฟ ࡋ࡚⪏⑂ປᛶࢆホ౯ࡍࡿ㸬ࡇࡇ࡛㸪➼౯㉮⾜ᅇᩘࡣ㸪 ࣐࢖ࢼ࣮๎࡟ᚑ࠺࡜௬ᐃࡍࡿ࡜ᘧ(1)࡜ࡋ࡚୚࠼ࡽࢀ ࡿ㸬࡞࠾㸪ᮏ◊✲ࡣ RC ᗋ∧ࡢ⑂ປᑑ࿨࡜ UFC ࣃࢿ ࣝ RC ᗋ∧ࡢ⑂ປᑑ࿨࡜ࢆẚ㍑ࡋ㸪ᐇ⏝ᛶࢆ᳨ドࡍࡿ ࡇ࡜࠿ࡽ㸪RC ᗋ∧ࡢ S-N ᭤⥺ࢆᇶ‽࡜ࡍࡿ㸬ࡋࡓࡀ ࡗ࡚㸪S-N ᭤⥺ࡢഴࡁࡢ㏫ᩘ m ࡟ࡣ㸪RC ᗋ∧࠾ࡼࡧ UFCࣃࢿࣝ RC ᗋ∧࡜ࡶ࡟ᯇ஭ࡽࡀᥦ᱌ࡍࡿ S-N ᭤⥺ ࡢഴࡁࡢ㏫ᩘ 12.7 ࢆ㐺⏝ࡍࡿ8)㸬                     (1)   ࡇࡇ࡛㸪Neq㸸➼౯⧞㏉ࡋᅇᩘ(ᅇ)㸪Pi㸸㍕ⲴⲴ㔜 (kN)㸪P㸸ᇶ‽Ⲵ㔜(=60kN)㸪ni㸸Ⲵ㔜 Piࡢ㉮⾜ᅇᩘ (ᅇ)㸪m㸸S-N ᭤⥺ࡢഴࡁࡢ㏫ᩘ(=12.7)  ᮏᐇ㦂࡟࠾ࡅࡿᘧ(1)ࡼࡾ⟬ฟࡋࡓ RC ᗋ∧࠾ࡼ ࡧ UFC ࣃࢿࣝ RC ᗋ∧ࡢ➼౯㉮⾜ᅇᩘ Neqࢆ⾲5 ࡟♧ࡍ㸬  5& ᗋ∧ ౪ヨయ RC1,2 ࡢ➼౯㉮⾜ᅇᩘࡣࡑࢀࡒࢀ 7,347, 504ᅇ㸪8,529,870 ᅇ࡛㸪ᖹᆒ➼౯㉮⾜ᅇᩘࡣ 7,938, 687 ᅇ࡜࡞ࡗࡓ㸬RC ᗋ∧ࡢᖹᆒ➼౯㉮⾜ᅇᩘࢆᇶ ‽࡜ࡋ࡚ UFC ࣃࢿࣝ RC ᗋ∧ࡢ⪏⑂ປᛶ࡟㛵ࡍࡿ ホ౯ࢆ⾜࠺㸬  8)& ࣃࢿࣝ 5& ᗋ∧ ౪ヨయ U.RC-P1,2 ࡢ➼౯㉮⾜ᅇᩘࡣ㸪ࡑࢀࡒࢀ 35,727,812ᅇ㸪48,276,900 ᅇ࡛㸪ᖹᆒ➼౯㉮⾜ᅇᩘ ࡣ 42,002,356 ᅇ࡜࡞ࡗࡓ㸬RC ᗋ∧ࡢ➼౯㉮⾜ᅇᩘ ࡜ࡢẚ㍑ࢆ⾜࠺࡜㸪ྜᡂ㠃ࢆ P ࢱ࢖ࣉ࡜ࡋࡓሙྜ 5.29ಸࡢ➼౯㉮⾜ᅇᩘ࡜࡞ࡗࡓ㸬 ḟ࡟㸪౪ヨయ U.RC-C1,2,3 ࡢ➼౯㉮⾜ᅇᩘࡣࡑࢀ ࡒࢀ 505,594,259 ᅇ㸪332,737,029 ᅇ㸪558,845,801 ᅇ࡛㸪ᖹᆒ➼౯㉮⾜ᅇᩘࡣ 465,725,696 ᅇ࡜࡞ࡗࡓ㸬 RCᗋ∧࡜ࡢẚ㍑ࢆ⾜࠺࡜㸪ྜᡂ㠃ࢆ C ࢱ࢖ࣉࡓሙ ྜ 58.67 ಸࡢ➼౯㉮⾜ᅇᩘ࡜࡞ࡗࡓ㸬 ௨ୖࡼࡾ㸪UFC ࣃࢿࣝ࡜ RC ᗋ∧ࢆྜᡂᵓ㐀࡜ࡍ ࡿࡇ࡜࡛ RC ᗋ∧࡟ẚࡋ࡚኱ᖜ࡞⪏⑂ປᛶࡢྥୖࡀ ᚓࡽࢀࡿ㸬ࡲࡓ㸪ྜᡂ㠃ᙧ≧ࡢ㐪࠸࡟ࡼࡿẚ㍑࡛ࡣ㸪 ྜᡂ㠃ࢆ C ࢱ࢖ࣉ࡜ࡋࡓሙྜ㸪P ࢱ࢖ࣉ࡟ẚࡋ࡚ 11.09ಸࡢ➼౯㉮⾜ᅇᩘ࡜࡞ࡗ࡚࠸ࡿ㸬ࡇࢀࡣ㸪ྜ ᡂ㠃࡟࠾ࡅࡿࢥࣥࢡ࣮ࣜࢺ࡜ UFC ࡢ㠃✚ẚࢆ 6㸸4 ࡜ࡋࡓࡇ࡜࡛௜╔ຊࡀྥୖࡋ㸪ྜᡂຠᯝࡀྥୖࡋࡓ ࡓࡵ࡜⪃࠼ࡽࢀࡿ㸬ࡉࡽ࡟㸪౪ヨయ U.RC-C-W ࡢ➼ ౯㉮⾜ᅇᩘࡣ 401,542,728 ᅇ࡛㸪㏻ᖖࡢ RC ᗋ∧࡟ ẚࡋ࡚ 50.58 ಸ࡜࡞ࡗ࡚࠾ࡾ㸪Ỉศࢆὀධࡋࡓሙྜ ࡛ࡶ༑ศ࡞⪏⑂ປᛶࢆ᭷ࡍࡿ⤖ᯝ࡜࡞ࡗࡓ㸬ࡋ࠿ࡋ ࡞ࡀࡽ㸪ྠྜᡂ㠃ᙧ≧࡛࠶ࡿ C ࢱ࢖ࣉࡢ౪ヨయ࡜ ẚ㍑ࡍࡿ࡜㸪➼౯㉮⾜ᅇᩘࡣ⣙ 86%࡟పୗࡍࡿ⤖ᯝ ࡜࡞ࡾ㸪Ỉศࡢ౵ධࡀ⪏⑂ປᛶ࡟ᙳ㡪ࢆཬࡰࡍࡇ࡜ ࡀ᫂ࡽ࠿࡜࡞ࡗࡓ㸬   ➼౯㉮⾜ᅇᩘ࡜ࡓࢃࡳࡢ㛵ಀ  ᮏᐇ㦂࡟࠾ࡅࡿ➼౯㉮⾜ᅇᩘ࡜ࡓࢃࡳࡢ㛵ಀࢆ ᅗ3 ࡟♧ࡍ㸬  5& ᗋ∧ ౪ヨయ RC1,2 ࡛ࡣ㸪࡜ࡶ࡟㉮⾜ᅇᩘࡢቑຍ࡟కࡗ ࡚ࡓࢃࡳࡣቑຍࡋ㸪㉮⾜ᅇᩘ 4.05×106ᅇ௜㏆࠿ࡽࡓ ࢃࡳࡢቑຍࡀⴭࡋࡃ࡞ࡾ㸪◚ቯ᫬ࡢࡓࢃࡳࡣࡑࢀࡒ ࢀ 6.9mm㸪7.3mm ࡛࠶ࡗࡓ㸬  8)& ࣃࢿࣝ 5& ᗋ∧ ౪ヨయ U.RC-P1,2 ࡛ࡣ㸪◚ቯ᫬௜㏆ࡲ࡛㉮⾜ᅇᩘ ࡢቑຍ࡟క࠸⦆ࡸ࠿࡟ࡓࢃࡳࡣቑຍࡋ㸪◚ቯ᫬ࡢࡓ ࢃࡳࡣࡑࢀࡒࢀ 6.5mm㸪6.9mm ࡛࠶ࡗࡓ㸬 ḟ࡟㸪౪ヨయ U.RC-C1,2,3 ࡣ㸪㉮⾜ᅇᩘࡢቑຍ࡟ క࠸⦆ࡸ࠿࡟ࡓࢃࡳࡣቑຍࡋ㸪㉮⾜ᅇᩘ 1.47×108 ᅇ௜㏆࠿ࡽࡓࢃࡳࡢቑຍࡣⴭࡋࡃ࡞ࡾ㸪◚ቯ᫬ࡢࡓ ࢃࡳࡣࡑࢀࡒࢀ 7.4mm㸪9.7mm㸪8.9mm ࡛࠶ࡗࡓ㸬 RCᗋ∧࡜ࡢẚ㍑ࢆ⾜࠺࡜㸪UFC ࣃࢿࣝࢆᘬᙇ㕲➽ ࠿ࡪࡾෆ࡟㓄⨨ࡋࡓ౪ヨయࡣ㸪ྛ㉮⾜ᅇᩘ࡜ࡶ࡟ RCᗋ∧ࡢࡓࢃࡳࢆ኱ࡁࡃୗᅇࡗ࡚࠸ࡿ㸬ࡇࢀࡣ㸪

¦

u n i i m i eq P P n N 1 ) / ( ➼౯㉮⾜ᅇᩘ ᖹᆒ➼౯㉮⾜ᅇᩘ ➼౯㉮⾜ᅇᩘẚ ᅇ ᅇ U.RC/RC RC1 7,347,504 RC2 8,529,870 U.RC-P1 35,727,812 U.RC-P2 48,276,900 U.RC-C1 505,594,259 U.RC-C2 332,737,029 U.RC-C3 558,845,801 U.RC-C-W 401,542,728 401,542,728 50.58 䠉 42,002,356 5.29 ౪ヨయ 465,725,696 58.67 7,938,687 ⾲㸫5 ➼౯㉮⾜ᅇᩘ ᅗ㸫3 ➼౯㉮⾜ᅇᩘ࡜ࡓࢃࡳࡢ㛵ಀ 0 1 2 3 4 5 6 7 8 9 10

1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08 1.E+09 1.E+10

ࡓ ࢃ ࡳ mm ㉮⾜ᅇᩘ ᅇ RC1 RC2 U.RC-P1 U.RC-P2 U.RC-C1 U.RC-C2 U.RC-C3 U.RC-C-W

(5)

RCᗋ∧࡟ẚࡋ࡚ UFC ࣃࢿࣝ RC ᗋ∧ࡣ᭤ࡆ๛ᛶࡀ ྥୖࡍࡿࡇ࡜࠿ࡽࡓࢃࡳࡢቑຍࡀᢚไࡉࢀࡓࡓࡵ ࡛࠶ࡿ㸬ࡉࡽ࡟㸪ྜᡂ㠃ࢆ C ࢱ࢖ࣉ࡜ࡋࡓሙྜ㸪P ࢱ࢖ࣉ࡟ẚࡋ࡚ྛ㉮⾜ᅇᩘࡢࡓࢃࡳቑຍࡀࡉࡽ࡟ ᢚไࡉࢀ࡚࠸ࡿ㸬ࡲࡓ㸪౪ヨయ U.RC-C-W ࡛ࡣ㸪㉮ ⾜ᅇᩘࡢቑຍ࡟క࠸⦆ࡸ࠿࡟ࡓࢃࡳࡣቑຍࡋ㸪㉮⾜ ᅇᩘ 1.47×108ᅇ௜㏆࠿ࡽⴭࡋࡃࡓࢃࡳࡣቑຍࡋ㸪◚ ቯ᫬ࡢࡓࢃࡳࡣ 9.6mm ࡛࠶ࡗࡓ㸬ࡇࡇ࡛㸪ྠྜᡂ 㠃࡛࠶ࡿ౪ヨయ U.RC-C ࡜ࡢẚ㍑ࢆ⾜࠺࡜㸪࡯ࡰྠ ᵝࡢࡓࢃࡳኚ໬ࢆ♧ࡋ࡚࠸ࡿࡇ࡜࠿ࡽ㸪ᮏᐇ㦂ࡢ⠊ ᅖ࡟࠾࠸࡚ࡣỈศὀධ࡟ࡼࡿࡓࢃࡳኚ໬ࡢ㐪࠸ࡣ ㄆࡵࡽࢀ࡞࠿ࡗࡓ㸬  ➼౯㉮⾜ᅇᩘ࡜㕲➽ࡦࡎࡳࡢ㛵ಀ ᮏᐇ㦂࡟࠾ࡅࡿ➼౯㉮⾜ᅇᩘ࡜㕲➽ࡦࡎࡳࡢ㛵 ಀࢆᅗ4(1)࡟♧ࡍ㸬  5& ᗋ∧ ౪ヨయ RC1,2 ࡣ࡜ࡶ࡟㉮⾜ᅇᩘࡢቑຍ࡟క࠸㕲 ➽ࡦࡎࡳࡣቑຍࡋ㸪㉮⾜ᅇᩘ 4.1×106 ᅇ௜㏆࠿ࡽࡦ ࡎࡳࡣᛴ⃭࡟ቑຍࡋ㸪◚ቯ᫬ࡢࡦࡎࡳࡣ RC1,2 ࡛ ࡑࢀࡒࢀ 5940×10-6㸪5855×10-6࡛࠶ࡗࡓ㸬  8)& ࣃࢿࣝ 5& ᗋ∧ ౪ヨయ U.RC-P1,2 ࡣ࡜ࡶ࡟㉮⾜ᅇᩘࡢቑຍ࡟క࠸ ࡦࡎࡳࡣ⦆ࡸ࠿࡟ቑຍࡋ㸪◚ቯ┤๓࡛ࡢࡦࡎࡳࡢቑ ຍࡀⴭࡋ࠸㸬◚ቯ᫬ࡢࡦࡎࡳࡣ U.RC-P1,2 ࡛ࡑࢀࡒ ࢀ 2480×10-6㸪2320×10-6࡛࠶ࡗࡓ㸬 ḟ࡟㸪౪ヨయ U.RC- C1,2,3 ࡣ౪ヨయ U.RC-P ࡜ྠ ᵝࡢᣲືࢆ♧ࡋ࡚࠾ࡾ㸪◚ቯ᫬ࡢࡦࡎࡳࡣ U.RC-C1,2,3࡛ࡑࢀࡒࢀ 2090× 10-6㸪2112×10-6㸪2157×10-6 ࡛࠶ࡗࡓ㸬ࡋࡓࡀࡗ࡚㸪RC ᗋ∧࡟ẚࡋ࡚ UFC ࣃࢿ ࣝ RC ᗋ∧ࡣྜᡂᵓ㐀࡜ࡍࡿࡇ࡜࡛㕲➽ࡦࡎࡳࡀᢚ ไࡉࢀࡿࡀ㸪ྜᡂ㠃ࡢ㐪࠸࡟࠾࠸࡚ C ࢱ࢖ࣉ࡜ࡋ ࡓ౪ヨయࡣ P ࢱ࢖ࣉ࡟ẚࡋ࡚㕲➽ࡦࡎࡳࡀࡉࡽ࡟ ᢚไࡉࢀࡿ㸬ࡲࡓ㸪౪ヨయ U.RC-C-W ࡛ࡣ㉮⾜ᅇᩘ ࡢቑຍ࡟క࠸ࡦࡎࡳࡣࢃࡎ࠿࡟ቑຍࡋ㸪◚ቯ┤๓࡛ ࡦ ࡎ ࡳ ࡢ ቑ ຍ ࡀ ⴭ ࡋ ࡃ ࡞ ࡾ 㸪 ◚ ቯ ᫬ ࡢ ࡦ ࡎ ࡳ ࡣ 2196 ×10-6࡛࠶ࡗࡓ㸬ࡇࡇ࡛㸪Ỉศὀධࡢ᭷↓࡟ࡼ ࡿẚ㍑ࢆ⾜࠺࡜㸪ࡦࡎࡳࡢቑຍഴྥ࠾ࡼࡧ⤊ᒁ᫬ࡢ ್࡜ࡶ࡟࡯ࡰྠᵝࡢഴྥࢆ♧ࡋ࡚࠾ࡾ㸪Ỉศࡢᙳ㡪 ࡟ࡼࡿ㢧ⴭ࡞ᕪ␗ࡣ☜ㄆࡉࢀ࡞࠿ࡗࡓ㸬  ➼౯㉮⾜ᅇᩘ࡜ 8)& ࡦࡎࡳࡢ㛵ಀ ᮏᐇ㦂࡟࠾ࡅࡿ➼౯㉮⾜ᅇᩘ࡜ UFC ࡦࡎࡳࡢ㛵 ಀࢆᅗ4(2)࡟♧ࡍ㸬 ౪ヨయ U.RC-P1,2 ࡣ࡜ࡶ࡟㉮⾜ᅇᩘࡢቑຍ࡟క࠸ UFCࡦࡎࡳࡣቑຍࡋ㸪㉮⾜ᅇᩘ 7.9×105ᅇ௜㏆࠿ࡽ ࡢቑຍࡣⴭࡋࡃ࡞ࡾ㸪◚ቯ᫬ࡢࡦࡎࡳࡣ U.RC-P1,2 ࡛ࡑࢀࡒࢀ 3010×10-6㸪2820×10-6࡛࠶ࡗࡓ㸬 ḟ࡟㸪౪ヨయ U.RC-C1,2,3 ࡣ࡜ࡶ࡟㉮⾜ᅇᩘࡢቑ ຍ࡟క࠸ UFC ࡦࡎࡳࡣ⦆ࡸ࠿࡟ቑຍࡋ㸪◚ቯ᫬ࡢ ࡦ ࡎ ࡳ ࡣ U.RC-C1,2,3 ࡛ ࡑ ࢀ ࡒ ࢀ 1715× 10-6㸪 1647×10-6㸪1658×10-6 ࡜࡞ࡗ࡚࠾ࡾ㸪ྜᡂ㠃ࡢ㐪࠸ ࡟ࡼࡿẚ㍑ࢆ⾜࠺࡜㸪ྜᡂ㠃ࢆ C ࢱ࢖ࣉ࡜ࡋࡓሙ ྜ㸪⤊ᒁ᫬ࡢࡦࡎࡳࡀ P ࢱ࢖ࣉ࡟ẚࡋ࡚⣙ 50㸣⛬ ᗘ࡟ᢚไࡉࢀ࡚࠸ࡿࡇ࡜ࡀࢃ࠿ࡿ㸬ࡲࡓ㸪౪ヨయ U.RC-C-W ࡣ㉮⾜ᅇᩘࡢቑຍ࡟క࠸⦆ࡸ࠿࡟ቑຍ ࡋ㸪◚ቯ᫬ࡢࡦࡎࡳࡣ 1772×10-6࡛࠶ࡗࡓ㸬Ỉศὀ ධࡢ᭷↓࡟ࡼࡿẚ㍑࡛ࡣ㸪㕲➽ࡦࡎࡳྠᵝ࡟ྜᡂ⏺ 㠃࡟Ỉࢆὀධࡋࡓ౪ヨయࡢྠྜᡂ㠃ᙧ≧࡛࠶ࡿ C ࢱ࢖ࣉ౪ヨయ࡜࡯ࡰྠᵝ࡞ഴྥࢆ♧ࡋ࡚࠸ࡿ㸬   ◚ቯᙧ≧  ᮏᐇ㦂࡟࠾ࡅࡿ౪ヨయୗ㠃ࡢ◚ቯᙧ≧ࡢ୍౛ࢆ ᅗ5 ࡟♧ࡍ㸬  5& ᗋ∧ ౪ヨయ RC1 ࡣ㸪㍈᪉ྥ࠾ࡼࡧ㍈┤ゅ᪉ྥ࡟ 100㹼 120mm 㛫㝸࡛ࡦࡧ๭ࢀࡀⓎ⏕ࡋ࡚࠸ࡿ㸬ࡇࢀࡣ㸪 ㍈᪉ྥ࠾ࡼࡧ㍈┤ゅ᪉ྥ࡟㓄⨨ࡋࡓ㕲➽ࡢ㛫㝸࡜ ࡯ࡰྠࡌ఩⨨࡛࠶ࡿ㸬ࡲࡓ㸪㍯Ⲵ㔜ࡢ㍕Ⲵ఩⨨࠿ࡽ ⣙ 45°࡛ᢲᢤ࠿ࢀ࡚࠾ࡾ㸪ࢲ࢚࢘ࣝຠᯝࡢᙳ㡪ࡢ⠊ ᅖ࡛ࡣࡃ㞳ࡀ☜ㄆ࡛ࡁࡿ㸬᭱⤊ⓗ࡞◚ቯ࣮ࣔࢻࡣ㸪 ㍯Ⲵ㔜ࡀ㉮⾜୰࡟ᢲᢤࡁࡏࢇ᩿◚ቯ࡟⮳ࡗࡓ㸬  8)& ࣃࢿࣝ 5& ᗋ∧ ౪ヨయ U.RC-P1 ࡣ㸪UFC ࡟㓄ྜࡉࢀ࡚࠸ࡿ㗰⧄ ⥔࡟ࡼࡿᯫᶫຠᯝ࡟ࡼࡾᛂຊࡀศᩓࡉࢀ㸪඲యⓗ࡟ ↓ᩘࡢᚤ⣽࡞ࡦࡧ๭ࢀࡀⓎ⏕ࡋ㸪㍯Ⲵ㔜ࡢ㉮⾜⠊ᅖ ࡟ࡣࡦࡧ๭ࢀࡀᐦ㞟ࡋ࡚࠸ࡿ㸬᭱⤊ⓗ࡞◚ቯ࣮ࣔࢻ (1)➼౯㉮⾜ᅇᩘ࡜㕲➽ࡦࡎࡳࡢ㛵ಀ 0 1000 2000 3000 4000 5000

1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08 1.E+09 1.E+10

㕲 ➽ ࡦ ࡎ ࡳ ȣ ㉮⾜ᅇᩘ ᅇ RC1 RC2 U.RC-P1 U.RC-P2 U.RC-C1 U.RC-C2 U.RC-C3 U.RC-C-W ᅗ㸫4 ➼౯㉮⾜ᅇᩘ࡜ࡦࡎࡳࡢ㛵ಀ (2)➼౯㉮⾜ᅇᩘ࡜ UFC ࡦࡎࡳࡢ㛵ಀ 0 1000 2000 3000 4000 5000

1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08 1.E+09 1.E+10

8 ) & ࡦ ࡎ ࡳ ȣ ㉮⾜ᅇᩘ ᅇ U.RC-P1 U.RC-P2 U.RC-C1 U.RC-C2 U.RC-C3 U.RC-C-W

(6)

ࡣ㸪㍯Ⲵ㔜ࡀ㉮⾜୰࡟ RC ᗋ∧ࡀᢲᢤࡁࡏࢇ᩿◚ቯ ࡜࡞ࡿ࡜ྠ᫬࡟ UFC ࣃࢿࣝࡀࡣࡃ㞳ࡋࡓ㸬 ḟ࡟㸪౪ヨయ U.RC-C1 ࡣ㸪㍯Ⲵ㔜ࡢ㉮⾜⠊ᅖ࠿ ࡽ⣙ 45°ᗏ㠃ࡢෆഃࡣ㸪ᯫᶫຠᯝࡢᙳ㡪࡟ࡼࡾᚤ⣽ ࡞ࡦࡧ๭ࢀࡀⓎ⏕ࡋ㸪⣙ 45°ᗏ㠃ࡢእഃࡣ㸪ᨺᑕ⥺ ≧࡟ࡦࡧ๭ࢀࡀⓎ⏕ࡋ࡚࠸ࡿ㸬ᗋ∧ࡢ୰ኸ㒊ศ࡟ࡣ ᚤ⣽࡞ࡦࡧ๭ࢀࡣぢࡽࢀ࡞࠸㸬᭱⤊ⓗ࡞◚ቯ࣮ࣔࢻ ࡣ㸪㍯Ⲵ㔜ࡀ㉮⾜୰࡟ UFC ࣃࢿࣝࡢ᭤ࡆ◚ቯࢆక ࠺ᢲᢤࡁࡏࢇ᩿◚ቯ࡟⮳ࡾ㸪◚ቯ᫬࡟࠾࠸࡚ࡶ RC ᗋ∧࡜ UFC ࣃࢿࣝ࡜ࡢ⏺㠃ࡢࡣࡃ㞳ࡣぢࡽࢀ࡞࠿ ࡗࡓ㸬ࡇࢀࡣ㸪ྜᡂ㠃ࡢࡏࢇ᩿ᙉᗘࡀ㧗࠸ࡇ࡜࠿ࡽ ◚ቯ᫬࡟᭤ࡆ◚ቯࡀඛ⾜ࡋࡓࡓࡵ࡜⪃࠼ࡽࢀࡿ㸬౪ ヨయ U.RC-C-W ࡣ㸪౪ヨయ U.RC-C1 ࡜࡯ࡰྠᵝ࡞ ◚ቯᙧ≧ࢆ♧ࡋࡓࡀ㸪ᗋ∧ࡢ୰ኸ࡟ࡶࡦࡧ๭ࢀࡣከ ࡃⓎ⏕ࡋࡓ㸬ࡲࡓ㸪ᗋ∧ୖ㠃ࡢ౵ධᏍ࠿ࡽỈࢆὀධ ࡋࡓ⟠ᡤ࡟ᚤ⣽࡞ࡦࡧ๭ࢀࡀⓎ⏕ࡋ࡚࠸ࡿ㸬ࡇࢀ ࡣ㸪Ỉศࢆὀධࡋࡓࡇ࡜࡟ࡼࡿྜᡂ⏺㠃࡛ࡢ௜╔ᙉ ᗘࡢపୗ࡞࡝ᗄࡘ࠿ࡢせᅉࡀ⪃࠼ࡽࢀࡿࡀ㸪ࡇࡢၥ 㢟࡟㛵ࡋ࡚ࡣ㸪௒ᚋὀỈ⟠ᡤࡢ᩿㠃ษ᩿ࢆ⾜࠸ヲ⣽ ࡞᳨ウࢆ⾜࠺ணᐃ࡛࠶ࡿ㸬  㸳ࡲ࡜ࡵ  ձ➼౯㉮⾜ᅇᩘࡼࡾ㸪RC ᗋ∧࡟ẚࡋ࡚ UFC ࣃࢿࣝ ࡜ RC ᗋ∧ࢆྜᡂᵓ㐀࡜ࡍࡿࡇ࡜࡛ྜᡂຠᯝࡀ㧗 ࡲࡾ⪏⑂ປᛶࡀ኱ᖜ࡟ྥୖࡍࡿ㸬ࡲࡓ㸪ྜᡂ㠃ࡢ 㐪࠸࡛ࡣ C ࢱ࢖ࣉ࡜ࡋࡓ UFC ࣃࢿࣝ RC ᗋ∧ࡣ㸪 P ࢱ࢖ࣉ࡟ẚࡋ࡚ 11.09 ಸࡢ㉮⾜ᅇᩘࡀᚓࡽࢀ ࡿ㸬ࡉࡽ࡟㸪ྜᡂ⏺㠃࡟Ỉศࢆὀධࡋࡓሙྜࡣ⪏ ⑂ປᛶࡀ⣙ 14%పୗࡍࡿࡇ࡜ࡀุ᫂ࡋࡓ㸬 ղ➼౯㉮⾜ᅇᩘ࡜ࡓࢃࡳࡢ㛵ಀࡼࡾ㸪RC ᗋ∧࡟ẚ ࡋ࡚ UFC ࣃࢿࣝ RC ᗋ∧ࡣ㸪᭤ࡆ๛ᛶࡀྥୖࡍ ࡿࡇ࡜࠿ࡽࡓࢃࡳࡢቑຍࡀᢚไࡉࢀࡿ㸬ࡲࡓ㸪 UFC ࣃࢿࣝࡢྜᡂ㠃ᙧ≧ࡢ㐪࠸࡟ࡼࡗ࡚ࡓࢃࡳ ࡢᢚไຠᯝࡀ␗࡞ࡿ㸬 ճ➼౯㉮⾜ᅇᩘ࡜ࡦࡎࡳࡢ㛵ಀ࠿ࡽ㸪㕲➽࣭UFC ࡦࡎࡳ࡜ࡶ࡟㸪UFC ࣃࢿࣝ RC ᗋ∧ࡣ RC ᗋ∧࡟ ẚࡋ࡚኱ᖜ࡞ࡦࡎࡳࡢᢚไࡀㄆࡵࡽࢀࡓ㸬 մ➼౯㉮⾜ᅇᩘ࡜ࡓࢃࡳ࣭ࡦࡎࡳࡢ㛵ಀࡼࡾ㸪Ỉศ ࡢᾐ㏱ࡢ᭷↓࡟ࡼࡿẚ㍑࡛ࡣ㸪㢧ⴭ࡞ᕪ␗ࡣㄆࡵ ࡽࢀ࡞࠿ࡗࡓ㸬 յ◚ቯᙧ≧ࡼࡾ㸪඲࡚ࡢ౪ヨయ࡛㍯Ⲵ㔜㉮⾜୰࡟ᢲ ᢤࡁࡏࢇ᩿◚ቯ࡟⮳ࡗࡓ㸬ࡓࡔࡋ㸪ྜᡂ㠃ࢆ C ࢱ࢖ࣉ࡜ࡋࡓሙྜ㸪ྜᡂ㠃ࡢ௜╔ຊࡀ㧗࠸ࡇ࡜࠿ ࡽ㸪UFC ࣃࢿࣝࡢ᭤ࡆ◚ቯࢆక࠺ᢲᢤࡁࡏࢇ᩿ ◚ቯ࡜࡞ࡗࡓ㸬ࡲࡓ㸪ྜᡂ⏺㠃࡟Ỉศࢆὀධࡋࡓ ౪ヨయ࡛ࡣ㸪Ỉࡢὀධ⟠ᡤ࡟ᚤ⣽࡞ࡦࡧ๭ࢀࡀⓎ ⏕ࡋࡓ㸬 նUFC ࣃࢿࣝ RC ᗋ∧ࡣ⪏⑂ປᛶ࡟ඃࢀࡓᵓ㐀࡛ ࠶ࡿࡇ࡜ࡀᐇドࡉࢀࡓ㸬ࡉࡽ࡟㸪ྜᡂ㠃ࢆ C ࢱ ࢖ࣉ࡜ࡋࡓ UFC ࣃࢿࣝ RC ᗋ∧ࡣྜᡂᵓ㐀࡜ࡋ ࡚ࡼࡾ᭷ຠ࡛࠶ࡿ㸬  ཧ⪃ᩥ⊩ 1)∾㶾㍤㸪⏣୰ᩄႹ㸪㜿㒊ᛅ㸪ᮌ⏣ဴ㔞㸸RPC ᇙタ ᆺᯟࢆ⏝࠸ࡓ RC ࡣࡾࡢ㍕Ⲵヨ㦂㸪ࢥࣥࢡ࣮ࣜࢺᕤ Ꮫᖺḟㄽᩥ㞟 Vol.27, No.1, pp.289-294, 2006 2)㈈ᅋἲேᅵᮌ◊✲ࢭࣥࢱ࣮㸸ᘓタᢏ⾡ᑂᰝሗ࿌ ᭩㸪ࢲࢡࢱࣝࣇ࢛࣮࣒㸪2007

3)Y. Shimoyama and M.Uzawa, "Properties and application files of Ductal", Journal of research of the Taiheiyo cement corporation, No. 142, pp.55-62, 2002 4)᪥ᮏ㐨㊰༠఍㸸㐨㊰ᶫ♧᪉᭩࣭ྠゎㄝϨ㺃ϩ㸪2004 5)᪂ぢᙬ㸪㜿㒊ᛅ㸪ᮌ⏣ဴ㔞㸪⃝㔝฼❶㸪∦᱒ㄔ㸸 UFCᇙタᆺᯟ RC ᗋ∧ࡢ⑂ປ⪏ஂᛶ㸪➨භᅇ㐨㊰ᶫ ᗋ∧ࢩ࣏ࣥࢪ࣒࢘ㄽᩥሗ࿌㞟㸪pp.69-74㸪2008 6)ᅬᮌ⪽㸪㜿㒊ᛅ㸪ᮌ⏣ဴ㔞㸪⃝㔝฼❶㸪⏣୰ᩄႹ㸸 UFC ᇙタᆺᯟࡢ௜╔㠃ࡢᨵၿࡀ㟼ⓗᢲᢤࡁࡏࢇ᩿ ⪏Ⲵຊ࡟ཬࡰࡍᙳ㡪㸪➨ 53 ᅇ᪥ᮏᏛ⾡఍㆟ᮦᩱᕤ Ꮫ㐃ྜㅮ₇఍ㅮ₇ㄽᩥ㞟㸪pp.259-260㸪2009  7)㜿㒊ᛅ㸪᪂ぢᙬ㸪ᮌ⏣ဴ㔞㸪⏣୰ᩄႹ㸸㉮⾜᣺ືⲴ㔜 ࡀస⏝ࡍࡿ UFC ᇙタᆺᯟ RC ᗋ∧ࡢ᭱኱⪏Ⲵຊ࠾ࡼࡧ ⪏ஂᛶ࡟㛵ࡍࡿ◊✲㸪ᮦᩱ㸪➨ 58 ᕳ㸪➨ 7 ྕ㸪pp.619-626, 2009 8)ᯇ஭⦾அ㸸㐨㊰ᶫᗋ∧タィ࣭᪋ᕤ࡜⥔ᣢ⟶⌮㸪 ᳃໭ฟ∧ᰴᘧ఍♫㸪2007

(1)౪ヨయ RC1 (2)౪ヨయ U.RC-P1 (3)౪ヨయ U.RC-C1 (4)౪ヨయ U.RC-C-W ᅗ㸫5 ◚ቯᙧ≧ࡢ୍౛

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