䠍䠊䛿䛨䜑䛻
Japan Institute of Wastewater Engineering and Technology䝇䝖䝑䜽䝬䝛䝆䝯䞁䝖䜈䛾⾪ᧁᙎᛶἼ᳨ᰝἲ䛾ά⏝ᘔએ࢐ࣱඬ౨௹ඥỉ෇ဇểሥែỉἋἚἕἁἰ἟ἊἳὅἚᴾᴾ䠄䠍䠅஦ᨾ䛾ண㜵ಖ඲䛾ᚭᗏ䠄䠎䠅䝁䝇䝖⦰ῶ䠄බ㈈䠅᪥ᮏୗỈ㐨᪂ᢏ⾡ᶵᵓ◊✲➨஧㒊㛗㻌 ୗᮧᖖ㞝䠄䠏䠅㛗ᮇⓗ䛺ᨵ⠏ィ⏬⟇ᐃπႩႩᝠ‫ׇ‬ඥʴᴾଐஜɦ൦ᢊૼ২ᘐೞನᴾ

1Japan Institute of Wastewater Engineering and Technology䠎䠊䝇䝖䝑䜽䝬䝛䝆䝯䞁䝖৖ࡽẨίకὸሊ‫ܭ‬ỉႸႎᴾJapan Institute of Wastewater Engineering and Technology

Japan Institute of Wastewater Engineering and Technologyz⪁ᮙ໬䛩䜛ୗỈ㐨䝇䝖䝑䜽䜢䚸ᑗ᮶䛻䜟䛯䛳䛶㐺ษ䛻⥔ᣢ⟶⌮䞉ᨵ⠏䞉ಟ⧋䛧䛶䛔䛟䛯䜑䚸ୗỈ㐨⟶⌮⪅䛜䝇䝖䝑䜽䝬䝛䝆䝯䞁䝖䜢ᑟධ䞉ᐇ㊶䛧䚸䛣䜜䜢㋃䜎䛘䛺䛜䜙䚸㛗ᑑ࿨໬ᨭ᥼ไᗘ䛻ᐃ䜑䜛㛗ᑑ࿨໬ィ⏬䜢⟇ᐃ䛧䚸ᐇ᪋䛩䜛䛣䛸䜢┠ⓗ䛸䛩䜛䚹䚽ୗỈ㐨䛾ᬑཬĺ⟶㊰ᘏ㛗䛿䠐6୓䟜䚽⪁ᮙ໬䛾㐍⾜ĺ㝗ἐ஦ᨾ䚽⥔ᣢ⟶⌮㈝䛾ῶᑡᛢ᫆ᴾ⭾኱䛺䝇䝖䝑䜽䛿䚸᪥䚻ຎ໬䛧䚸⥔ᣢ⟶⌮䜔ᨵ⠏䞉ಟ⧋䛾䝁䝇䝖ቑຍ䜢ᣍ䛟䛸䛸䜒䛻䚸᭱ᝏ䛾ሙྜ䚸ᶵ⬟୙඲䛻㝗䜛䝸䝇䜽䜒䛿䜙䜣䛷䛔䜛䚹᪋タ䛾⟶⌮䛻⇍⦎䛧䛯ᢏ⾡⫋ဨ䛜኱㔞䛻㏥⫋᫬ᮇ䜢㏄䛘䚸㐺ษ䛺ᢏ⾡⥅ᢎ䛜䛷䛝䛪䚸⤖ᯝ䛸䛧䛶᪋タ䛾㐺ṇ䛺⟶⌮䛜ᅔ㞴䛻䛺䜛䛣䛸䛜ᠱᛕ䛥䜜䜛䚹♫఍㈨ᮏ䛻ồ䜑䜙䜜䜛ᙺ๭䛿ከᵝ໬䛧䛶䛚䜚䚸ேཱྀῶᑡ䜔䝷䜲䝣䝇䝍䜲䝹䛾ኚ໬䜒㋃䜎䛘䛶䚸㐺ษ䛻ᶵ⬟䜢Ⓨ᥹䛷䛝䜛䜘䛖䛻䛧䛶䛚䛟ᚲせ䛜䛒䜛䚹䚽ண㜵ಖ඲䚽ຠ⋡ⓗ䛺⥔ᣢ⟶⌮䞉ᨵ⠏䚽ண⟬䛾ᖹ‽໬ἋἚἕἁἰ἟ἊἳὅἚỉ‫ݰ‬λὉܱោᴾ‫ࣖݣ‬ᴾ䝇䝖䝑䜽䝬䝛䝆䝯䞁䝖䜢ᑟධ䛧䚸ୗỈ㐨᪋タ඲య䜢ಠ▔䛧䛶䚸ᑗ᮶䛻䜟䛯䜛ᨵ⠏㟂せ䜢຺᱌䛧䛴䛴䚸⥔ᣢ⟶⌮䞉ᨵ⠏䞉ಟ⧋䛾୍యⓗ䛺᭱㐺໬䜢ᅗ䜚䚸ィ⏬ⓗ䛻ᨵ⠏䠄᭦᪂䞉㛗ᑑ࿨໬ᑐ⟇䠅䜢ᐇ᪋䚹৖ࡽẨίకὸỉɼễᚡ᠍ʙ᪮ᴾ

䚽䝇䝖䝑䜽䝬䝛䝆䝯䞁䝖䛾ᑟධᐇ㊶2ୗỈ㐨஦ᴗ䛻䛚䛡䜛䝇䝖䝑䜽䝬䝛䝆䝯䞁䝖䛾୍ᒙ䛾ᬑཬಁ㐍䜢ᅗ䜛䛯䜑䚸୺䛻௨ୗ䛾஦㡯䜢グ㍕䚹
䐟䝇䝖䝑䜽䝬䝛䝆䝯䞁䝖䛻ᇶ䛵䛟᪋タ⟶⌮䠄≉䛻Ⅼ᳨䞉ㄪᰝཬ䜃ᨵ⠏䞉ಟ⧋䠅䛾ᇶᮏⓗ䛺⪃䛘᪉䐠䝇䝖䝑䜽䝬䝛䝆䝯䞁䝖䜢㋃䜎䛘䛯㛗ᑑ࿨໬ィ⏬䛾⟇ᐃᡭἲ

3䠏䠊⾪ᧁᙎᛶἼ᳨ᰝἲ䛸䛿㻌ἋἚἕἁἰ἟ἊἳὅἚỉܱ଀ἧἿὊᴾJapan Institute of Wastewater Engineering and TechnologyJapan Institute of Wastewater Engineering and Technology䠄⟶䛻䠅㍍䛔⾪ᧁ䜢୚䛘䜛䛣䛸䛻䜘䜚Ⓨ⏕䛩䜛᣺ື䜢ຍ㏿ᗘ䝉䞁䝃➼䛻䜘䜚ィ䛔䚸ᚓ䜙䜜䛯Ἴᙧ䜔࿘Ἴᩘ≉ᛶ➼䛛䜙ᑐ㇟≀䛾≧ែ䜢ホ౯㻌৙એᢿӖ̮ᢿίΎ Ῠ῝ᢿὸ䜢⾜ἙὊἑᚡ᥵/ᚐௌ䛀⡆༢䛺ཎ⌮䛾ㄝ᫂䛁㻌ᑐ㇟≀䛻㍍䛔⾪ᧁ䜢୚䛘䛶ෆ㒊䛾ᵝᏊ䜢᥈䜛䠄デ䜛䠅᪉ἲ㻌ᧈ‫ݤ‬ԡ҄ᚘဒᴾ䛩䛔䛛䛯䛯䛝

4䝖䞁䝛䝹䛾Ⅼ᳨䠄䛒䜛⛬ᗘ䛾୙☜ᐇ䛥䛿ྵ䜐䜒䛾䛾䠅㻌᣺ື䜔㡢䜢㐺ษ䛻ィ ホ౯䛷䛝䜜䜀ᵓ㐀≀䛾≧ែ䜢㐺ษ䛻ᢕᥱྍ⬟㻌

5⾪ᧁᙎᛶἼ᳨ᰝ䝻䝪䝑䝖䛾ືస㻌䠏䠊⾪ᧁᙎᛶἼ᳨ᰝἲ䛸䛿㻌Japan Institute of Wastewater Engineering and Technology

Japan Institute of Wastewater Engineering and Technology

ᵆᵏᵇᛦ௹‫ݣ‬ᝋᴾ ԠỎࢲᵐᵎᵎ῍ᵕᵎᵎỉᤧሂἅὅἁἼὊἚሥᴾᵆᵐᵇᛦ௹ೞ֥ᴾ ᘔએ࢐ࣱඬ౨௹ἿἮἕἚᴾ࠙ཷಙࣘࢽࢵࢺࠚӖ̮ᢿᲢьᡮࡇǻȳǵᲣӖ̮ᢿᲽᲽᲾǫȡȩ࠙ᡴᧁࣘࢽࢵࢺࠚࡨᧈ৙એᢿᲢǤȳȑȫǹȏȳȞᲣȦȋȃȈ ৙એᢿᲽᲽᲾǫȡȩᡲኽᢿ᳎᳐ǫȡȩࡨᧈȭȜȃȈȦȋȃȈ   EOEOᙎᛶἼ䛾᳨ᰝ䝻䝪䝑䝖䛿䚸⮬㉮䛷䛝䛺䛔䛯䜑䚸ᚑ᮶䛾TV䜹䝯䝷䝻䝪䝑䝖䛷≌ᘬ䛩䜛䚹䃥㻞㻜㻜䡚䃥㻟㻡㻜㼙㼙ᐃ⏝䝻䝪䝑䝖㻌 䠄䠤䠬⟶䛾㛗䛥䠖㻞㻚㻜㻜㼙䠅㻌ཷಙ㒊㻌䃥㻠㻜㻜䡚䃥㻣㻜㻜㼙㼙ᐃ㛗㻝㻠㻡㻜㼙㼙㻌ᡴᧁ㒊㻌ᐃ⏝䝻䝪䝑䝖㻌 䠄㻴㻼⟶䛾㛗䛥䠖㻞㻚㻠㻟㼙䠅㻌ཷಙ㒊㻌ᐃ㛗㻞㻞㻜㻜㼙㼙㻌ᡴᧁ㒊㻌

67䝠䝳䞊䝮⟶䠄೺඲⟶䠅䛾ㄪᰝ≧ἣ㻌䝠䝳䞊䝮⟶䠄㍈᪉ྥ䜽䝷䝑䜽⟶䠅䛾ㄪᰝ≧ἣ㻌

Japan Institute of Wastewater Engineering and Technology

Japan Institute of Wastewater Engineering and Technology

98㻔㻟㻕㻌 ᳨ᰝཬ䜃䝕䞊䝍ฎ⌮᪉ἲ㻌㻔㻠㻕㻌 ㄪᰝ᪉ἲ㻌Japan Institute of Wastewater Engineering and Technology㧗࿘Ἴᡂศẚ䠄䠂䠅ཷಙἼᙧཷಙἼᙧసᴗᡭ㡰䛿䠈䠰䠲䜹䝯䝷ㄪᰝ㻌䛸ྠ୍㻌㻢㧗࿘Ἴᡂศ㔞䠙 ඲࿘Ἴᡂศ㔞᣺ᖜࠝVࠞຎ໬⟶䛾䝇䝨䜽䝖䝹Japan Institute of Wastewater Engineering and Technologyㄪᰝసᴗ䛾䜲䝯䞊䝆ཷಙᙎᛶἼࡢఏ᧛ධຊ㻠㻞㻜㻙㻞㻜㻡㻜㻜㻜㻝㻜㻜㻜㻜㻝㻡㻜㻜㻜㻞㻜㻜㻜㻜㻙㻠ຎ໬⟶ࣆ࣮ࢡ ೺඲⟶ ࿘ἼᩘN+] ࣆ࣮ࢡFFT㸦㧗㏿ࣇ࣮࢚ࣜኚ᥮㸧㸯ᅇ┠㻜㻚㻡㻌㻟㻚㻡㻌㻜㻞ཷಙ䡺䢙䡷㻠㻢㻤㸰ᅇ┠㸱ᅇ┠㸲ᅇ┠㸳ᅇ┠Ћᡴᧁ཯ຊ㻝㻜࿘ἼᩘࠝkHzࠞ࿘ἼᩘࠝkHzࠞ⟶䛻୚䛘䛯⾪ᧁ䛻䜘䜚⏕䛨䜛✀䚻䛾ᅛ᭷᣺ື䛜」㞧䛻ྜᡂ䛥䜜䛯᣺ື⌧㇟㻌ᡴᧁ䠬䠟⏬㠃 䝕䞊䝍ฎ⌮䛿䚸సᴗ㌴୧ෆ䛾䝟䝋䝁䞁䛷⮬ືⓗ䛻⾜䜟䜜䜛㡿ᇦ⾪ᧁᙎᛶἼ᳨ᰝἲ䛷ᚓ䜙䜜䜛Ἴᙧ㻌䡮䢙䢆䢛䢕䡹䢆䢙䢋᫬㛫ࠝȝVHFࠞ࿘Ἴᩘศᕸ࿘Ἴᩘศᕸᅗ㧗࿘Ἴᡂศࢫ࣌ࢡࢺࣝᙉᗘࢫ࣌ࢡࢺ ࣝᙉᗘ೺඲⟶ࡢࢫ࣌ࢡࢺࣝᙎᛶἼࡢఏ᧛඲࿘Ἴᡂศ㡿ᇦຎ໬⟶ࡢࢫ࣌ࢡࢺࣝ㻙㻢Ќ᣺ᖜἼᙧ䛾≉ᛶ䋻⟶䛾๛ᛶ㻱㻵䛾ኚ໬䛻ᛂ⟅㻌ᣲືͤ᫬㛫ホ౯ᣦᶆ࡜ࡢ㛵ಀ2>Წ≧㒊ᮦ@I/㸸ࡣࡾ㒊ᮦࡢඹ᣺࿘ἼᩘfL
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KR2㸦෇⎔㸧᭗ᡮȕȸȪǨ((6 ‫٭‬੭EIUAEIԗඬૠЎࠋ‫׋‬I&㸸෇⎔᩿㠃ࡢඹ᣺࿘Ἴᩘ.㸸᣺ືḟᩘ࠿ࡽồࡲࡿᐃᩘUA (,㸸᭤ࡆ๛ᛶ 5㸸⟶ཌ୰ᚰ༙ᚄȨ$㸸༢఩㛗ࡉ㉁㔞๛ᛶ>(,@పୗЍඹ᣺࿘Ἴᩘ>I&@పୗӖ̮ඬ࢟10࿘Ἴᩘ᭗ԗඬ঺Ўൔ  ͤୖグࡢ᣺ືࡢᶍᘧᅗࡣ㸪᣺ືḟᩘࡀ  ḟࡢሙྜࢆ౛♧ࡋ࡚࠸ࡿࠋᐇ㝿࡟⟶య࡟⏕ࡌࡿ᣺ືࡣ㸪⟶㍈᪉ྥ㸪⟶᩿㠃᪉ྥ࡜ࡶ࡟㸪」ᩘࡢḟᩘࡢ᣺ືࡀ」㞧࡟㔜࡞ࡾྜࡗ࡚࠸ࡿࠋ

10ɶ‫͌ځ‬Ǜ੔ဇ11䠏䠊⾪ᧁᙎᛶἼ᳨ᰝἲ䛾ゎᯒ᪉ἲ㻌௬᝿◚ቯⲴ㔜䛾⟬ฟ䛻䛴䛔䛶㻌Japan Institute of Wastewater Engineering and Technology౪ヨ⟶䛾䜲䝯䞊䝆䠄㻝䠅௬᝿⟶ཌ䛸௬᝿◚ቯⲴ㔜㻌

Japan Institute of Wastewater Engineering and Technology㻌 ⾪ᧁᙎᛶἼ᳨ᰝἲ䛾ㄪᰝ䛷ᚓ䜙䜜䛯㧗࿘Ἴᡂศẚ䛛䜙௬᝿◚ቯⲴ㔜䜢⟬ฟ䛧䠈ゎᯒ䛻౑⏝䛩䜛ᇶ♏ᩘ್䛸䛩䜛䚹௬᝿⟶ཌ䛸䛿㕲➽⭉㣗ᒙ䜎䛯䛿㍈᪉ྥ䜽䝷䝑䜽䈜≀⌮ⓗ䛺ཌ䜏䛿᭷䛧䛶䛔䜛䛜䠈ᙉᗘపୗ䜔䜽䝷䝑䜽➼䛻䜘䜚䠈᭷ຠ䛺㒊ᮦཌ䛸䛧䛶ぢ㎸䜑䛺䛔㒊ศ௬᝿◚ቯⲴ㔜䚷䠷䠯䠹䚷㻔㼗㻺㻛㼙㻕㧗࿘Ἴᡂศẚ䠢䠄%䠅௬᝿⟶ཌ̞ૠᵿᵊᶀᵊᶁᵊᶂỊύᴾ௬᝿◚ቯⲴ㔜䠯䠄kN/m䠅ؕᄽ᬴ܱỆợụᴾൿ‫ܭ‬ẰủẺ‫ܭ‬ૠᴾᾢᾌᾲὉᾕὺᾳᴾ௬᝿⟶ཌ䠰䠄mm䠅ᾣᾌᾰὉᾕὺᾱᴾ᭗ԗඬ঺Ўൔểሥҽểỉ᧙̞ᴾ䃥㻟㻜㻜㼙㼙㻌⟶䛾ཌ䜏䛊㼙㼙䛋㻟㻜೺඲⟶䠄つ᱁⟶ཌ䠅㻞㻡⟶ཌపῶ䠄ῶ⫗䠅⟶㻞㻜㻝㻡㼥㻌㻩㻌㻡㻟㻚㻤㻤㻠㻌㼤㻌㻙 㻝㻝㻚㻥㻣㻞㻌㻾㼽㻌㻩㻌㻜㻚㻤㻤㻟㻌㻝㻜㻟㻜㻑㻠㻜㻑㻡㻜㻑 㻢㻜㻑 㻣㻜㻑㧗࿘Ἴᡂศẚ㻤㻜㻑㻥㻜㻑◚ቯⲴ㔜䛊㼗㻺㻛㼙䛋㻟㻡᭗ԗඬ঺Ўൔểᄊْᒵ᣻ểỉ᧙̞ᴾ㻠㻡㻠㻜㻟㻡㻟㻜㻞㻡㻞㻜㻝㻡㻝㻜㻡㻜೺඲⟶䠄つ᱁⟶ཌ䠅䃥㻟㻜㻜㼙㼙㻌䌛つ᱁್㻌⟶ཌపῶ䠄ῶ⫗䠅⟶䠄㻝䠅ᘧ䛻䛚䛡䜛ಀᩘ୍ぴ㻌ㄗᕪ⠊ᅖ䌛◚ቯⲴ㔜つ᱁್䠄㻶㻿㼃㻭㻿㻌㻭㻙㻝䠅ィ⟬್ㄪᰝ䝕䞊䝍㼥㻌㻩㻌㻝㻟㻥㻚㻠㻢㻞㻌㼤㻌㻙 㻢㻤㻚㻠㻞㻢㻌㻾㼽㻌㻩㻌㻜㻚㻥㻠㻜㻌㻠㻜㻑㻡㻜㻑㻢㻜㻑㻣㻜㻑㻤㻜㻑㧗࿘Ἴᡂศẚ䠄ᇙタ⟶䠅䠯䠙䠿䞉䠢䠇䡀ᘧ䠄䠏䞉䠎䠅䠄1䠅ᘧ㧗࿘Ἴᡂศẚ䚷䠷䠢䠹䚷㻔䠂㻕࿧ࡧᚄ䐠⟶䛻స⏝䛩䜛Ⲵ㔜䠭

5㸻 5㸻 5㸻 5㸻 5㸻 5㸻 5㸻 5㸻 

Japan Institute of Wastewater Engineering and Technology

8070◚ቯⲴ㔜್䠄kN/m䠅䠅䐟⟶䛾⪏ⲴຊQB䠄kN/m2䠅䖃⟶䛾◚ቯಖド䝰䞊䝯䞁䝖ᵫᵠ䠄ᶉᵬ䞉ᶋᵍᶋ䠅ᴾ㻌 ᵫᵠ䠙ᵎᵌᵐᵓᵮᵠ䞉ᶐ䠇ᵎᵌᵏᵔᵓᵵ䞉䡎ᴾ㻌 䛣䛣䛻䚸ᵫᵠ䠗◚ቯಖド䝰䞊䝯䞁䝖䠄ᶉᵬ䞉ᶋ䠅ᴾ㻌 㻌 㻌 㻌 㻌 㻌 ᵮᵠ䠗⟶䛾◚ቯⲴ㔜䠄ᶉᵬᵍᶋᵐ䠅㻌 㻌 ᴾ
㻌 㻌 㻌 㻌 㻌 㻌 ᶐ䠗⟶ཌ୰ᚰ༙ᚄ䠄ᶋ䠅䚸ᵵ䠗⟶䛾⮬㔜䠄ᶉᵬᵍᶋ䠅ᴾ䖃⟶䛻Ⓨ⏕䛩䜛᭱኱᭤䛢䝰䞊䝯䞁䝖ᵫᶋᵿᶖ䠄ᶉᵬ䞉ᶋᵍᶋ䠅ᴾ㻌 㻌 ᵫᶋᵿᶖ䠙ᶉ䞉ᶏ䞉ᶐᵐ䚸ᴾ䛣䛣䛻䚸ᶉ䠗ᨭᢎ᮲௳䛻䜘䜛ಀᩘᴾ㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 ᴾᶏ䠗⟶䛻ಀ䜛Ⲵ㔜䠄ᶉᵬᵍᶋᵐ䠅ᴾ䖃◚ቯⲴ㔜ᵮᵠ䛾⟶䛜⪏䛘䜛䛣䛸䛾䛷䛝䜛➼ศᕸⲴ㔜ᴾᴾᴾ䠄䠙⪏Ⲵຊ䠅ᵯᵠ䠄ᶉᵬᵍᶋᵐ䠅䛿䚸ᵫᶋᵿᶖ䠙ᵫᵠ䜢‶㊊䛩䜛ሙྜᴾᴾ䛾ᶏ䛷䛒䜛䛣䛸䛛䜙䚸ᴾ㻌 ᶉ䞉ᶏ䞉䡎ᵐ䠙ᴾᵎᵌᵐᵓᵮᵠ䞉ᶐ䠇ᵎᵌᵏᵔᵓᵵ䞉ᶐ䜘䜚䚸ᴾ㻌 ᴾᴾᴾᴾᴾᶏ䠙䡗ᵎᵌᵐᵓᵮᵠ䞉ᶐ䠇ᵎᵌᵏᵔᵓᵵ䞉ᶐ䡙ᵍᶉ䞉ᶐᵐᵛᵯᵠᴾᐇ㻌㻌㻌㻌㻌䝕䞊䝍䛿䚸⾪ᧁᙎᛶἼἲ䛻㻌㻌㻌㻌㻌㻌䜘䜛⤖ᯝ᥎ィ್䠅䜢ධຊ㻌5㸻 ᐇ◚ቯⲴ㔜䛸௬᝿◚ቯⲴ㔜䛸䛾㛵ಀ㻌㻌 ⾪ᧁᙎᛶἼ᳨ᰝἲ䛷ᚓ䜙䜜䛯䛂௬᝿⟶ཌ䛃䠈䛂௬᝿◚ቯⲴ㔜䛃㻌㻌 䜢⏝䛔䛶ᇙタ᫬䛾⟶䛾Ᏻ඲ᗘ䜢ィ⟬䛩䜛䚹㻌䈜䠬㻮䠖⟶䛾◚ቯⲴ㔜䛊㼗㻺㻛㼙䛋➼䛾㻌ഛ ⪃ 
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㻥㻜㻑 12⾪ᧁᙎᛶἼ᳨ᰝἲ䛻䜘䜛⟶䛾Ᏻ඲ᗘᴾ

0.25 PB r  0.165Wr
kr 2ಀ ᩘ㹡


60504030ᐇ㦂್20㛤๐⟶10᥎ᐃ=ᐇ0

ᵯᴾ ᾌᴾ ᾦί؈৏Ẳ‫ם‬ỆợỦᤲႺᒵ᣻ὸὺᴾ ᾿ί෇ᒵ᣻ὸ

0

10

20

30
4050
௬᝿◚ቯⲴ㔜್䠄kN/m䠅
䠅60

7080䐡⟶䛾Ᏻ඲ᗘ䠢B
ᾕᵠᾌᾠᵠ὾ᾠ㻌䛣䛣䛻䚸㻌 䠢B䠖⟶䛾◚ቯ䛻ᑐ䛩䜛Ᏻ඲ᗘ㻌 㻌 㻌 㻌 㻌 㻌 䠭B䠖⟶䛾◚ቯ䛻ᑐ䛩䜛⪏Ⲵຊ䠄kN/m2䠅㻌 㻌 㻌 㻌 㻌 㻌 䠭䠖⟶䛻䛛䛛䜛Ⲵ㔜䠄kN/m2䠅 㻌 㻌 㻌 㻌14᥎ᐃ್䛸ᐇ ್䛿Ⰻ䛟୍⮴䛩䜛䛣䛸䜢☜ㄆ

15䠄㻟䠅䝇䝟䞁඲య䛾ホ౯㻌䠄㻞䠅⟶䠍ᮏ䛤䛸䛾ホ౯㻌Japan Institute of Wastewater Engineering and Technology䛆⟶䠍ᮏ䛤䛸䛾ホ౯ᇶ‽䛾౛䛇ㄝ᫂㻌䝷䞁䜽㻌 ⾪ᧁᙎᛶἼ᳨ᰝἲ
䛻䜘䜛⟶䛾೺඲ᗘ㻌䠝㻌䠞㻌䠟㻌㻜䡚㻢㻜䠂௨ୗ㻌㻢㻜䠂䜢㉸䛘䛶㻤㻜䠂௨ୗ㻌㻤㻜䠂䜢㉸䛘䛶㻝㻜㻜䠂ᮍ‶㻌䛺䛧㻌㻝㻜㻜䠂㻌Japan Institute of Wastewater Engineering and Technology䝇䝟䞁䛷䛾⟶䛾Ᏻ඲ᗘ㻲㻮䛾ᖹᆒ್䜢⟬ฟ䛩䜛䛣䛸䛷䠈⥭ᛴᗘุᐃ䛜ྍ⬟㻌ẔἋἣὅμ˳ỉዬ࣯ࡇỉЙ‫ؕܭ‬แ̊䛇ᴾᐃ⩏㻌⾪ᧁᙎᛶἼ᳨ᰝἲ䛻䜘䜛㻌⟶䛾Ᏻ඲ᗘ䠷䠢䠞䠹㻌ㄝ᫂㻌㏿䜔䛛䛻ᥐ⨨䛾ᚲせ䛺ሙྜ㻌㻝㻚㻞㻡䠚䠢䠞䛾ᖹᆒ್㻌䜎䛯䛿㻌㻝㻚㻞㻡䠚䠢䠞䛸䛺䜛⟶䛾㻌ᮏᩘ䛜㻞㻜䠂௨ୖ㻌⟶䛾᭷䛩䜛◚ቯ⪏Ⲵຊ䛜䠈⟶䛻స⏝䛩䜛Ⲵ㔜䜢ୗᅇ䜚䠈⟶䛾Ᏻ඲ᛶ䛜ᦆ䛺䜟䜜䛶䛔䜛≧ែ㻌⥭ᛴᗘ㻌ᶆ‽ⓗ䛺ᇙタ᮲௳ୗ䛻䛚䛔䛶䠈⟶䛾᭷䛩⟶䛾᭷䛩 䜛◚ቯ⪏Ⲵຊ䛜䠈⟶䛻స⏝䛩䜛Ⲵ㔜䜢ୗ䜛◚ቯ⪏ ᅇ䜚䠈⟶䛾Ᏻ඲ᛶ䛜ᦆ䛺䜟䜜䛶䛔䜛≧ែ㻌Ⲵຊ䛜つ᱁್䜢ୗᅇ䜚䠈⟶㻌䛾⪏Ⲵᛶ⬟䛻ᙳ㡪䛩䜛ຎ໬஦㇟䛜䛒䜛≧ែ䚹㻌ᶆ‽ⓗ䛺ᇙタ᮲௳ୗ䛻䛚䛔䛶䠈⟶䛾᭷䛩䜛◚ቯ⪏Ⲵຊ䛜䠈⟶䛻స⏝䛩䜛Ⲵ㔜䜢ୖᅇ䜛䜒䛾䛾䠈୍⯡ⓗ䛺Ᏻ඲⋡䜢‶㊊䛷䛝䛶䛔䛺䛔≧ែ㻌ᶆ‽ⓗ䛺ᇙタ᮲௳ୗ䛻䛚䛔䛶䠈⟶䛾◚ቯ⪏Ⲵຊ䛜స⏝Ⲵ㔜䜢ୖᅇ䜚䠈䛛䛴୍⯡ⓗ䛺Ᏻ඲⋡䜢‶㊊䛷䛝䜛䛜䠈⤊ᒁ㝈⏺≧ែ䛻ᑐ䛩䜛༑ศ䛺Ᏻ඲ಀᩘ䜢☜ಖ䛷䛝䛺䛔≧ែ㻌⟶䛾᭷䛩䜛◚ቯ⪏Ⲵຊ䛜つ᱁್䛸ྠ➼௨ୖ㻌䛷䛒䜚䠈ᵓ㐀ⓗ䛻೺඲䛺≧ែ䚹㻌z 䝇䝟䞁඲య䛾೺඲ᗘ䛜㧗䛟䛶䜒䚸䛭䛾䛖䛱䛾⟶䠍ᮏ䛾ຎ໬䛷䜒㝗ἐ䝸䝇䜽䛿䛒䜛䚹z ⟶䠍ᮏ䛤䛸䛾ᐃ㔞ⓗ䛺೺඲ᗘ䛾ᢕᥱ䞉⵳✚䛜᭷ຠ16䠄㻠䠅䠰䠲䜹䝯䝷ㄪᰝ䛸䛾ẚ㍑㻌

䊠㻌䊡㻌䊢㻌䛺䛧㻌⟶䛾᭷䛩䜛◚ቯ⪏Ⲵຊ䛜䠈⟶䛻స⏝䛩⡆᫆䛺ᑐᛂ䛻䜘䜚ᚲ㻝㻚㻢䠚䠢䠞䛾ᖹᆒ್䜛Ⲵ㔜䜢ୖᅇ䜛䜒䛾䛾䠈୍⯡ⓗ䛺Ᏻ඲⋡せ䛺ᥐ⨨䜢䠑ᖺᮍ‶䜢‶㊊䛷䛝䛶䛔䛺䛔≧ែ㻌䍻㻝㻚㻞㻡㻌䜎䛷ᘏ㛗䛷䛝䜛ሙྜ㻌⟶䛾◚ቯ⪏Ⲵຊ䛜స⏝Ⲵ㔜䜢ୖᅇ䜚䠈⡆᫆䛺ᑐᛂ䛻䜘䜚ᚲせ䛺ᥐ⨨䜢䠑ᖺ௨ୖ 㻞㻚㻜䠚䠢 䛾ᖹᆒ್䍻㻝㻚㻢㻌 䛛䛴୍⯡ⓗ䛺Ᏻ඲⋡䜢‶㊊䛷䛝䜛䛜䠈⤊䠞ᒁ㝈⏺≧ែ䛻ᑐ䛩䜛༑ศ䛺Ᏻ඲ಀᩘ䜢䛻ᘏ㛗䛷䛝䜛ሙྜ㻌⾪ᧁᙎᛶἼ᳨ᰝἲ䛻䛚䛔䛶␗ᖖ䛜ㄆ䜑䜙䜜䛺䛔䜒䛾㻌䠢䠞䛾ᖹᆒ್䍻㻞㻚㻜㻌䝇䝟䞁඲య䛷䛾⥭ᛴᗘ䊠௨እ䛷䛒䛳䛶䜒䠈䝇䝟䞁ෆ䛾⥭ᛴᗘ䊠䛻┦ᙜ䛩䜛⟶䠄䠍䠊䠎䠑䠚䠢䠞䠅䛻䛴䛔䛶䛿䠈ಶู䛻ุ᩿㻌ῶ⫗ຎ໬఩⨨ෆ㠃እ㠃◚ᦆ17䠄ᵓ䠅⾪ᧁᙎᛶἼ᳨ᰝἲ䛻䜘䜛⟶䛾デ᩿ᣦᶆᴾJapan Institute of Wastewater Engineering and Technology㡯┠⭉㣗☜ಖ䛷䛝䛺䛔≧ែ㻌⟶䛾◚ቯ⪏Ⲵຊ䛜స⏝Ⲵ㔜䜢ୖᅇ䜚䠈䛛䛴⤊ᒁ㝈⏺≧ែ䛻ᑐ䛩䜛༑ศ䛺Ᏻ඲ಀᩘ䜢☜ಖ䛷䛝䜛≧ែ㻌⾪ᧁᙎᛶἼ᳨ᰝἲ 䠰䠲䜹䝯䝷ㄪᰝ䕿䠄ᐃ㔞䠅䕿䠄ᐃᛶ䠅䠆ᒁᡤⓗ䛺ຎ໬䕧 䠆ᒁᡤⓗ䛺ຎ໬䕿䕿䠄ᐃ㔞䠅㽢䠄どㄆ୙ྍ䠅䠆ᒁᡤⓗ䛺ຎ໬䕧㍈᪉ྥ ෆ㠃 ᚤᑠ䡴䢓䡫䡴䕿䠄ᐃ㔞䠅䜽䝷䝑䜽ୖグ௨እ䕿䠄ᐃ㔞䠅እ㠃䠄ഃ㠃䠅䕿䠄ᐃ㔞䠅ͤ㻌 䕧(⟶㡬䛾䜏)Ḟⴠ䠉⟶䛾࿘᪉ྥ䜽䝷䝑䜽䕧ୖୗ᪉ྥ䛾䛯䜛䜏㽢ᾐධỈ㽢ྲྀ௜䛡⟶䛾✺ฟ䛧㽢Ἔ⬡䛾௜╔㽢ᶞᮌ᰿౵ධ㽢䝰䝹䝍䝹௜╔㽢㽢䠄どㄆ୙ྍ䠅䕿䠄ᐃᛶ䠅㽢䠄どㄆ୙ྍ䠅䕿䠄ᐃᛶ䠅䕿䕿䕿䕿䕿䕿䕿
18Japan Institute of Wastewater Engineering and Technology⾪ᧁᙎᛶἼ᳨ᰝἲ䛻䜘䜛䐟⟶䛾೺඲ᗘ䞉䞉䞉እᅽᙉᗘ䛻╔┠䛧䛯⟶䛾ゎᯒ⏝ᩘ್㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 〇ရ䛸䛧䛶䛾೺඲ᛶ௬᝿⟶ཌ䠷䠰䠹䠄㼙㼙䠅௬᝿◚ቯⲴ㔜䠷䠯䠹䠄㼗㻺㻛㼙䠅䐠⟶䛾Ᏻ඲ᗘ䞉䞉䞉ᇙタ≧ែ䛻䛚䛡䜛⟶䛾䠰䠙䠽䞉䠢䠇䠾䛸䛧䛶⟬ฟ䠯䠙㼏䞉䠢䠇㼐䛸䛧䛶⟬ฟ㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 ◚ቯ䛻ᑐ䛩䜛Ᏻ඲⋡䠆㼍㻘㼎䛿䚸ᇶ♏ᐇ㦂䜘䜚䠆㼏㻘㼐䛿䚸ᇶ♏ᐇ㦂䜘䜚㧗࿘Ἴᡂศẚ䠷䠢䠹䠄䠂䠅䚷ཱྀᚄู䛻Ỵᐃ䛥䜜䛯ಀᩘ⟶䛾ᇙタ᮲௳䠄ᅵ⿕䜚䠅䚷ཱྀᚄู䛻Ỵᐃ䛥䜜䛯ಀᩘᇙタ⟶䛾◚ቯ⪏Ⲵຊ䠷䠭䠞䠹䚷䠄㼗㻺㻛㼙㻞䠅ᇙタ⟶䜈䛾స⏝Ⲵ㔜䠷䠭䠹䚷䠄㼗㻺㻛㼙㻞䠅䠭䠞䠙䡗㻜㻚㻞㻡䠬䠞䞉䡎䠇㻜㻚㻝㻢㻡䠳䞉䡎䡙㻛䡇䞉䡎䠎እᅽᙉᗘ䠄◚ቯⲴ㔜䠅䛾つ᱁್䠷䠯つ᱁್䠹䠄㼗㻺㻛㼙䠅䠆㻶㻵㻿୪䜃䛻㻶㻿㼃㻭㻿㻌㻭㻙㻝䛻䜘䜛䖃᪂⟶䛾እᅽᙉᗘ䠄◚ቯⲴ㔜䠅䛿୍⯡䛻つ᱁್䜢ୖᅇ䜛್㻌㻌䖃ຎ໬஦㇟䛻䜘䜚ṧᏑᙉᗘ䛜పୗ䛧䛶䜒䠈◚ቯⲴ㔜್䛜つ᱁್䛸ྠ➼௨ୖ䛷䛒䜜䜀䠈⟶䛾೺඲ᗘ䛿㻝㻜㻜㻑㻌䠭䠙䡓䠄㖄┤ᅵᅽ䠅䠇䡌䠄άⲴ㔜䠅䠬䠞䠖⟶䛾◚ቯⲴ㔜䠄䠙䠯䛸䛩䜛䠅䠳䠖⟶䛾⮬㔜䚸䡎䠖⟶ཌ୰ᚰ༙ᚄ䡇䠖⟶䛾ᨭᢎゅ䜘䛳䛶ኚ䜟䜛ಀᩘ䠆㼃䚸䡎䛿䚸௬᝿⟶ཌ䜢⏝䛔䛶ィ⟬⟶䛾デ᩿ᣦᶆ⟶䛾೺඲ᗘ⟶䛾Ᏻ඲ᗘ䠷⟶䛾೺඲ᗘ䠹䠙䠯䠋䠯つ᱁್㽢䠍䠌䠌䚷䠄䠂䠅䛯䛰䛧䚸ୖ㝈್䜢䠍䠌䠌䠂䛸䛩䜛䚹䠷⟶䛾Ᏻ඲ᗘ䠹䠙䠭䠞䠋䠭䝇䝟䞁ෆ䛾ᖹᆒ್䠈᭱ప್⟬ฟ⟶䠍ᮏ䛤䛸䛾ホ౯䜈䝇䝟䞁඲య䛾ホ౯䜈19䠐㻚⾪ᧁᙎᛶἼ᳨ᰝἲ䛾ά⏝ἲ㻌⾪ᧁᙎᛶἼ᳨ᰝἲ䜢฼⏝䛧䛯」ྜ⟶䛾᳨ウ㻌Japan Institute of Wastewater Engineering and Technology䐟஦ᨾ䛾ᮍ↛㜵Ṇ㻌㻌 㻌 㻌䠰䠲䜹䝯䝷ㄪᰝ䛜᳨▱䛷䛝䛺䛔ຎ໬䜢⾪ᧁᙎᛶἼ᳨ᰝἲ䛻䜘䜚Ⓨぢ㻌㻌 㻌 㻌䛩䜛䛣䛸䛷୍ᒙ䛾஦ᨾ䛾ᮍ↛㜵Ṇ䛜ᮇᚅ䛷䛝䜛䚹㻌㻌㻌䐠ᨵ⠏ᕤἲ㑅ᐃ䛾㐺ṇ໬䛻䜘䜛䝁䝇䝖⦰ῶ㻌䐢⪏⏝ᖺᩘタᐃ䛻䜘䜛㛗ᮇⓗ㻌㻌 㻌 䠰䠲䜹䝯䝷ㄪᰝ䛿ホ౯䛷䛝䛺䛔⟶䛾㻌㻌 䛺ᨵ⠏ィ⏬䛾⟇ᐃ㻌㻌 㻌 ⪏Ⲵ⬟ຊ䜢ᢕᥱ䛩䜛䛣䛸䛷䠈ప䝁䝇䝖㻌⾪ᧁᙎᛶἼ䛻䜘䜚೺඲ᗘ᭤㻌 㻌㻌 㻌 ỉોሰ߻ඥ䛾㑅ᐃ䛜ᮇᚅ䛷䛝䜛䚹㻌⥺䜢సᡂ䛧䚸⟶䛝䜗䛾⪏⏝ᖺᩘ㻌䜢タᐃ䛩䜛䚹⪏⏝ᖺᩘ䜢ᇶ䛻㻌䝇䝖䝑䜽䝬䝛䝆䝯䞁䝖䜢㋃䜎䛘䛯㛗ᮇⓗ䛺᭦᪂ィ⏬䜢⟇ᐃ䛩䜛䚹㻌䐡೺඲᪋タ䛾⥅⥆฼⏝䛻䜘䜛䝁䝇䝖⦰ῶ㻌㻌 㻌 ⾪ᧁᙎᛶἼ᳨ᰝἲ䛻䜘䜚䠈⪏⏝ᖺᩘ㻌㻌 㻌 ௨ୖ䛾⟶䛷䛒䛳䛶䜒䠈⟶䛾ṧᏑయຊ㻌㻌 㻌 䜢ホ౯䛩䜛䛣䛸䛷䚸㒊ศಟ⧋䛷⥅⥆㻌20㻌 㻌 ฼⏝䛜ᮇᚅ䛷䛝䜛䚹㻌ィ⟬䝰䝕䝹䛸ィ⟬⤖ᯝ౛㻌

Japan Institute of Wastewater Engineering and Technology௬᝿⟶ཌ㸦t㸧௬᝿⟶ࡢ๛ᛶ EI ࡢ⟬ฟ           ௬᝿⟶ࡢ᩿㠃 2 ḟ࣮࣓ࣔࣥࢺ              ࡵ=࣊૟૝{ࡰ૝ െ (ࡰ െ ૛࢚)૝ }࣭࣭࣭ᘧ 2           ᐇ⟶ࡢ᩿㠃 2 ḟ࣮࣓ࣔࣥࢺ              ࡵƍ =࣊૟૝{ࡰ૝ െ (ࡰ െ ૛࢚ƍ)૝ }࣭࣭࣭ᘧ 3⟶ࡢ๛ᛶ EI ࡀ➼౯࡜࡞ࡿᙎᛶ⋡ E’ࡢ⟬ฟ              ࡱƍ =ࡱࡵࡵƍ࣭࣭࣭ᘧ 4ࡇࡇ࡟㸪EI㸸௬᝿⟶ࡢ๛ᛶ    I’㸸ᐇ⟶ࡢ᩿㠃 2 ḟ࣮࣓ࣔࣥࢺ

➼౯ᙎᛶ⋡ E’࠿ࡽࢥࣥࢡ࣮ࣜࢺᙉᗘࡢ⟬ฟࢥࣥࢡ࣮ࣜࢺᶆ‽♧᪉᭩㸦ᅵᮌᏛ఍㸧࡟ᚑ࠸㸪ᙎᛶಀᩘ࡜ᅽ⦰ᙉᗘࡢ㛵ಀᘧ࠿ࡽィ⟬ࡍࡿࠋᚓࡽࢀࡓᅽ⦰ᙉᗘ࠿ࡽᘬᙇᙉᗘࢆィ⟬ࡍࡿࠋ

21Japan Institute of Wastewater Engineering and Technology120%

᪤タ⟶
⿬㎸䜑ᮦ

100%

᪋ᕤ㈝⏝๭ྜእᚄ䠖526mm

ࡇࡇ࡟㸪D㸸⟶ࡢእᚄ    t’㸸ᐇ⟶ཌ᭦⏕ᕤἲ䛾㑅ᐃ䛻䜘䜛᪋ᕤ䝁䝇䝖䛾ẚ㍑౛㻌䝥䝻䝣䜯䜲䝹

ෆᚄ䠖410mm

᪤タ⟶ᚄ䠖ĳĺ᭦⏕⟶ᚄ410䛾䜿䞊䝇

80%㈝⏝㍍ῶຠᯝ

60%

ㄪᰝ㈝⏝᭦⏕⟶᪋ᕤ㈝⏝40%20%ィ⟬⤖ᯝ䕿ࡇࡇ࡟㸪D㸸⟶ࡢእᚄ    t㸸௬᝿⟶ཌ࡞࠾㸪E=33,000N/mm2ᐇ⟶ࡢ᩿㠃 2 ḟ࣮࣓ࣔࣥࢺ I’ࡢ⟬ฟJapan Institute of Wastewater Engineering and Technology⮬❧⟶ࡇࡇ࡟㸪t㸸௬᝿⟶ཌ    F㸸㧗࿘Ἴᡂศẚ    a㸪b㸸ಀᩘ           ௬᝿⟶ཌ              ࢚ = ࢇࡲ + ࢈࣭࣭࣭ᘧ 10%౑⏝㝈⏺≧ែ」ྜ⟶⤊ᒁ㝈⏺≧ែ㐺⏝㻝㻚㻤㻜䠚㻝㻚㻜㻜㻟㻚㻝㻡䠚㻞㻚㻡䕿㻞㻚㻣㻜䠚㻝㻚㻜㻜㻠㻚㻠㻤䠚㻞㻚㻡䕿㻝㻚㻠㻜䠚㻝㻚㻜㻜㻞㻚㻟㻤䠘㻞㻚㻡㽢㻝㻚㻤㻜䠚㻝㻚㻜㻜㻟㻚㻠㻣䠚㻞㻚㻡䕿

TV䜹䝯䝷ㄪᰝ+⮬❧⟶᪋ᕤ㈝⏝4䝇䝟䞁䛾䛖䛱3䝇䝟䞁䛻䛴䛔䛶」ྜ⟶䛾㐺⏝䛜ྍ⬟䛸ุ᩿䛥䜜䛯䚹ͤ౑⏝㝈⏺≧ែ䛻䛚䛡䜛Ᏻ඲⋡䠄1.0䠅䛚䜘䜃⤊ᒁ㝈⏺≧ែ䛻䛚䛡䜛Ᏻ඲⋡䠄2.5䠅䛿䚸䛂⟶䛝䜗᭦⏕ᕤἲ䛻䛚䛡䜛タィ䞉᪋ᕤ䜺䜲䝗䝷䜲䞁䠄᱌䠅䛃䠄᪥ᮏୗỈ㐨༠఍䠅䛻グ㍕䛥䜜䛯್䜢⏝䛔䛯䚹

22TV䜹䝯䝷ㄪᰝ+⾪ᧁᙎᛶἼ᳨ᰝ+」ྜ⟶᪋ᕤ㈝⏝4䝇䝟䞁୰3䝇䝟䞁䛻䛴䛔䛶」ྜ⟶䛜㑅ᐃ䛷䛝䜛ሙྜ䚸⾪ᧁᙎᛶἼ᳨ᰝ䛾᪋ᕤ㈝⏝䜢ධ䜜䛯䛸䛧䛶䜒䚸」ྜ⟶䜢㑅ᐃ䛩䜛䜿䞊䝇䛿⮬❧⟶䜢㑅ᐃ䛩䜛ሙྜ䛻ẚ䜉䛶⣙16%䛾᪋ᕤ㈝⏝䛜పῶ䛥䜜䜛⤖ᯝ䛸䛺䛳䛯23⟶䛾೺඲ᗘ䛻䛴䛔䛶㻌㒊ศᨵ⠏䛻䜘䜚᪤タ⟶䛾ᘏ࿨໬㻌
Japan Institute of Wastewater Engineering and Technology160%ᶆ‽⪏⏝ᖺᩘ௨ୖ೺඲⋡100%௨ୖ䠄᪂⟶ྠ➼䠅

140%

䚽60ᖺ௨ୖ䛾⤒㐣⟶䜒ከ䛟䛿ṧᏑᙉᗘ䛜䛒䜛䚽⥭ᛴᗘϨorϩ䛷䜒㒊ศⓗ䛺ຎ໬䛾ሙྜ䜒䛒䜛

120%
100%

⟶೺඲ᗘ

Japan Institute of Wastewater Engineering and Technology

80%60%40%

䚽༶䚸䝇䝟䞁᭦⏕䛷䛺䛟
䚽LCCẚ㍑䛷䝇䝟䞁඲య䛛㒊ศⓗ䛺ᨵ⠏䛛Ỵᐃ

20%0%01020

30

4050
⤒㐣ᖺ

60

70

8090

⟶೺඲ᗘ䠄እᅽᙉᗘ್䠅䛸⤒㐣ᖺᩘ䛾㛵ಀ䜢ồ䜑䜛䛣䛸䛷䚸⟶Ὼ䛾⪏⏝ᖺᩘ䜢タᐃ䛷䛝䜛ᶆ‽⪏⏝ᖺᩘ௨ୖ䛷䜒೺඲ᗘ䛜㧗䛔䜿䞊䝇䛜Ꮡᅾ䛩䜛

100ᨵ⠏஦ᴗ㈝䛾పῶ24㻸㻯㻯䛾᳨ウ㻌デ᩿䠈ᑐ⟇⠊ᅖ䛾᳨ウ㻌Japan Institute of Wastewater Engineering and Technology䠰䠲䜹䝯䝷ㄪᰝ㻺㼛㻚 ⟶ᚄ⥭ᛴᗘ≀⌮ⓗ㻭㻡䃥㻠㻜㻜䊠Ḟⴠ㻢䃥㻠㻜㻜䊠Ḟⴠ㻝㻞 䃥㻡㻜㻜䊡㻝㻟 䃥㻠㻡㻜䊢㻮㻯⿵ಟ㊧䠈䜽䝷䝑䜽䜽䝷䝑䜽㕲➽㟢ฟ⾪ᧁᙎᛶἼ᳨ᰝἲ⟶䛾Ᏻ඲ᗘ⥭ᛴᗘ 䠄⟶䛾௬᝿◚ቯ⪏Ⲵຊ䠋స⏝Ⲵ㔜䠅ᶵ⬟ⓗ⿵ಟ㊧㻭㻮㻯25㼇ᖹᆒ್㼉 㻨㻝㻚㻞㻡ẚ 㼇᭱ᑠ್㼉⥲ྜุᐃ⟶䛾೺඲ᗘ⥭ᛴᗘᑐ⟇䠄⟶䛾௬᝿◚ቯⲴ㔜䠋◚ቯⲴ㔜䛾つ᱁್㽢㻝㻜㻜䠅㼇ᖹᆒ್㼉೺඲⟶ẚ⋡ 㻭䢓䢙䡴⟶ẚ⋡ 㼀㼂ㄪᰝ㻙⥲ྜྲྀ௜✺ฟ䛺䛧㻞㻚㻜㻜㻜㻜㻚㻜㻑㻞㻚㻜㻜㻜㻝㻜㻜㻑㻝 㻜㻜㻑㻜㻑䊠␗ᖖ⟠ᡤ䛾ಟ⧋ྲྀ௜✺ฟ䊢㻝㻚㻥㻥㻝㻜㻚㻜㻑㻝㻚㻤㻤㻡㻥㻥㻑㻥㻞㻑㻜㻑䊠␗ᖖ⟠ᡤ䛾ಟ⧋䝰䝹䝍䝹䊢㻝㻚㻥㻠㻥㻜㻚㻜㻑㻝㻚㻢㻞㻟㻥㻢㻑㻣㻞㻑㻜㻑䊡ᨵ⠏ྲྀ௜✺ฟ䛺䛧㻞㻚㻜㻜㻜㻜㻚㻜㻑㻞㻚㻜㻜㻜㻝㻜㻜㻑㻝㻜㻜㻑㻜㻑䊢

⡆᫆ᑐฎᑐ⟇䛾౛
No.5䠈No.6䠖㒊ศᨵ⠏
No.12䠖䝇䝟䞁᭦⏕
No.13䠖⡆⡆᫆ᑐฎ
26

Japan Institute of Wastewater Engineering and Technology䕿᳨ウ䜿䞊䝇䠖㻌 䜿䞊䝇1㻌 ᕸタ᭰䛘䛻䜘䜚᭦᪂㻌 䜿䞊䝇2㻌 ᭦⏕ᕤἲ䛻䜘䜚㛗ᑑ࿨໬ᑐ⟇䜢ᐇ᪋㻌 䜿䞊䝇3㻌 ␗ᖖ㒊ศ䛾䜏㒊ศᨵ⠏ᕤἲ䜢ᐇ᪋䛧⪏⏝ᖺᩘ䛻⮳䛳䛯ᚋ䛻㛗ᑑ࿨໬ᑐ⟇㻌 㻌 㻌 㻌 㻌 㻌 㻌 䜢ᐇ᪋䕿㈝⏝ẚ㍑᮲௳䠖㻌 䖃1䝇䝟䞁ᘏ㛗㻌 40.00m
㻌 䖃⤒㐣ᖺᩘ㻌 ᕸタᚋ50ᖺ䛸タᐃ㻌 䖃␗ᖖ䛾ᩘ㻌 5⟠ᡤ㻌 䖃ᮇᚅ䛥䜜䜛౑⏝ᖺᩘ䠄ᶆ‽⪏⏝ᖺᩘ䠅㻌 㒊ศᨵ⠏ᕤἲ㻌 20ᖺᕸタ᭰䛘ᕤἲ㻌 50ᖺ᭦⏕ᕤἲ㻌 㻌 㻌 50ᖺ㻌 䖃ᑐ⟇ᕤἲ䛾ᩚഛ༢౯㻌 㻌 㒊ศᨵ⠏ᕤἲ㻌 73༓෇/⟠ᡤ䠄䝯䞊䜹䞊ᐇ⦼䠅㻌 㻌 ᕸタ᭰䛘ᕤἲ㻌 120༓෇/m䠈4800༓෇/䝇䝟䞁ͤ㻌 㻌 ᭦⏕ᕤἲ㻌 㻌 㻌 100༓෇/m䠈4000༓෇/䝇䝟䞁ͤ㻌 䖃⥔ᣢ⟶⌮㈝
㻌 㻌 300෇/m/ᖺ䜘䜚䠈12༓෇/ᖺͤ㻌 ͤ䝇䝖䝑䜽䝬䝛䝆䝯䞁䝖ᡭἲ䜢㋃䜎䛘䛯ୗỈ㐨㛗ᑑ࿨໬ィ⏬⟇ᐃ䛻㛵䛩䜛ᡭᘬ䛝䠄᱌䠅㻌 㻌 㻌 䜘䜚ᘬ⏝27

㻸㻯㻯䛾᳨ウ㻌㻸㻯㻯䛾᳨ウ㻌Japan Institute of Wastewater Engineering and Technology᭦᪂᭦᪂ᕸタ᭰䛘⥔ᣢ⟶⌮䕦ホ౯㛤ጞ᫬Ⅼ䠄ホ౯᫬Ⅼ䠅

Japan Institute of Wastewater Engineering and Technologyホ౯⤖ᯝ䜿䞊䝇䐟䕧ホ౯⤊஢᫬Ⅼ㡯┠ホ౯ᮇ㛫⣼✚㈝⏝ࢣ࣮ࢫձ ༓෇ᖺᖹᆒ㈝⏝ ༓෇ᖺ㸫ࢣ࣮ࢫղ ༓෇ ༓෇ᖺ㸫ࢣ࣮ࢫճ ༓෇ ༓෇ᖺ‫ۑ‬ホ౯䜿䞊䝇䐠㛗ᑑ࿨໬ᑐ⟇ホ౯ᮇ㛫䠖㻡㻜ᖺ᭦⏕ᕤἲ᭦᪂㛗ᑑ࿨໬ᑐ⟇䕿䝷䜲䝣䝃䜲䜽䝹䝁䝇䝖ᨵၿ㢠䠖㻌 䖃ẖᖺᨵၿ㢠㻌 㻌 108㻌 䠉㻌 88㻌 䠙㻌 20䠄༓෇/ᖺ䠅㻌 䖃♫఍ⓗ๭ᘬ⋡䠐䠂䛷๭䜚ᡠ䛧䛯䝷䜲䝣䝃䜲䜽䝹䝁䝇䝖ᨵၿ㢠㻌 㻌 20+20/䠄1.04䠅1+䞉䞉䞉䞉+20/䠄1.04䠅119Ҹ515༓෇

ᕸタ᭰
䛘⥔ᣢ⟶⌮

䕦ホ౯㛤ጞ᫬Ⅼ䠄ホ౯᫬Ⅼ䠅䕧ホ౯⤊஢᫬Ⅼ䕿ୗỈ㐨㛗ᑑ࿨໬ᨭ᥼ไᗘ䛾せ௳䜈䛾ྜ⮴䛻䛴䛔䛶䠖㻌 䖃㛗ᑑ࿨໬ᑐ⟇ᐇ᪋᫬Ⅼ䛻䛚䛡䜛⟶䛝䜗䛾౑⏝ᖺᩘ50ᖺӍฎศไ㝈ᮇ㛫20ᖺ㻌 OK㻌 䖃㛗ᑑ࿨໬ᑐ⟇ᐇ᪋ᚋ䛾⟶䛝䜗䛾౑⏝ᖺᩘ70ᖺӍฎศไ㝈ᮇ㛫20ᖺ㻌 OK㻌 䖃タ⨨䛛䜙᭦᪂䜎䛷䛾⟶䛝䜗䛾౑⏝ᖺᩘ120ᖺӍᶆ‽⪏⏝ᖺᩘ50ᖺ㻌 OK䜿䞊䝇䐡ホ౯ᮇ㛫䠖㻝㻜㻜ᖺ㛗ᑑ࿨໬ᑐ⟇䠄㒊ศ䠅㛗ᑑ࿨໬ᑐ⟇᭦᪂㒊ศᨵ⠏᭦⏕ᕤἲᕸタ᭰䛘䕦ホ౯㛤ጞ᫬Ⅼ䠄ホ౯᫬Ⅼ䠅㒊ศᨵ⠏⪏⏝ᖺᩘ᭦᪂⥔ᣢ⟶⌮䕦䕧ホ౯⤊஢᫬Ⅼ㻞㻜ᖺ

2829ホ౯ᮇ㛫䠖㻝㻞㻜ᖺ㛗ᮇⓗᨵ⠏ィ⏬䛾⟇ᐃ㻌೺඲⋡ணᘧ䛸䛿㻌Japan Institute of Wastewater Engineering and TechnologyẋẐ৖ࡽẨẑỉᧈ஖ႎોሰὉ̲ጣᚘဒỉᎋảᴾોሰவˑƷᚨ‫ܭ‬ᲢᲫᲣોሰ଺஖
ᲢᲬᲣોሰᝲဇ

Japan Institute of Wastewater Engineering and Technology䞉೺඲⋡э೺඲䛺⟶䛝䜗䠋඲⟶䛝䜗䞉೺඲⋡ண ᘧэ೺඲⋡䛸⤒㐣ᖺᩘ䛾㛵ಀᘧ䞉ᨵ⠏᫬ᮇ䛾タᐃ䛜ྍ⬟䛻䛺䜛೺඲⋡ண ᘧ┠ᶆ⪏⏝ᖺᩘ100䠂೺඲⋡⥭ᛴᗘ䛜㧗䛔⟶䛝䜗䛾๭ྜᨵ⠏䝅䝘䝸䜸䛾タᐃ⥭ᛴᗘ䛜ప䛔⟶䛝䜗䛾๭ྜ㛗ᮇⓗᨵ⠏䞉ಟ⧋ィ⏬䛾⟇ᐃ⤒㐣ᖺᩘ30೺඲⋡᭤⥺31೺඲⋡ணᘧ䛾஦౛㻌㛗ᮇⓗᨵ⠏ィ⏬⟇ᐃ䛾ὶ䜜㻌Japan Institute of Wastewater Engineering and Technology

Japan Institute of Wastewater Engineering and Technology㻝㻜㻜㻑䛆᮲௳䛇೺඲⋡ண㻤㻜㻑೺ 㻢㻜㻑඲⋡ 㻠㻜㻑• ஦ᴗู䠖බඹ䠋ὶᇦ• ⟶✀ู䠖඲⟶✀䠋㝡⟶䠋䝠䝳䞊䝮⟶• ᥎ᐃᘧ䠖䝽䜲䝤䝹ศᕸ᭤⥺䠵䠙䡁䡔䡌䠄䠉䠄䠴㻛䠽䠅䠺䠾䠅㻌䠽䠙㻢㻝㻚㻡䠈䠾䠙㻝㻚㻥㻠㻞㻜㻑┠ᶆ⪏⏝ᖺᩘ䛾タᐃ㻜㻑㻜䛂ୗỈ㐨᪋タ䛾䝇䝖䝑䜽䝬䝛䝆䝯䞁䝖ᡭἲ䛻㛵䛩䜛᳨ウጤဨ఍䛃㈨ᩱ䜘䜚㻝㻜㻜㻑ᘧ㻞㻜㻠㻜⤒㐣ᖺᩘ䛆ᅜ⥲◊∧㻌 ೺඲⋡ண㻢㻜㻤㻜ᘧ䛾౛䠄඲⟶✀䠅䛇㻝㻜㻜㻑㻤㻜㻑ᨵ⠏㈝䚸ಟ⧋㈝䛾⟬ฟ㻤㻜㻑೺ 㻢㻜㻑඲⋡ 㻠㻜㻑೺ 㻢㻜㻑඲⋡ 㻠㻜㻑䠵䠙䡁䡔䡌䠄䠉䠄䠴㻛䠽䠅䠺䠾䠅䠽䠙㻡㻝㻚㻤䠈䠾䠙㻝㻚㻤㻜㻞㻜㻑䠵䠙䡁䡔䡌䠄䠉䠄䠴㻛䠽䠅䠺䠾䠅㻌䠽䠙㻣㻝㻚㻣䠈䠾䠙㻝㻚㻞㻣஦ᴗ㈝䛾ᖹ‽໬㻞㻜㻑㻜㻑㻜㻞㻜㻠㻜⤒㐣ᖺᩘ䛆ᅜ⥲◊∧㻌 ೺඲⋡ண㻢㻜ᘧ䛾౛䠄㝡⟶䠅䛇㻤㻜䝤䝻䝑䜽༢఩䛾ඃඛᗘタᐃ㻜㻑㻜㻞㻜㻠㻜⤒㐣ᖺᩘ㻢㻜㻤㻜䛆ᅜ⥲◊∧㻌 ೺඲⋡ண ᘧ䛾౛䠄䝠䝳䞊䝮⟶䠅䛇㻌䠄ཧ⪃䠅⟶䛝䜗ຎ໬䝕䞊䝍䝧䞊䝇䠄ᅜᅵᢏ⾡ᨻ⟇⥲ྜ◊✲ᡤ䝩䞊䝮䝨䞊䝆䠅㻌 㻌 㻌 㻌 㻌 http://www.nilim.go.jp/lab/ebg/rekka-db.html

㛗ᮇⓗ䛺ᨵ⠏ィ⏬

32㛗ᮇⓗᨵ⠏䞉ಟ⧋ィ⏬䜢䛯䛶䜛ᇶᮏ㻌33㐺ษ䛺ᨵ⠏᫬ᮇ䛾タᐃ㻌Japan Institute of Wastewater Engineering and TechnologyĬȪǹǯ˯ถ㻌ĭʙಅᝲ˯ถ㻌Japan Institute of Wastewater Engineering and Technology┠ᶆ⪏⏝ᖺᩘэᨵ⠏䝃䜲䜽䝹㻌 䠘㔜せ䠚ĬᢘЏƳોሰ଺஖㻌ĭᢘЏƳોሰƷΟέ㻌 ᪯ˮ㻌

䠄䠍䠅㏻ᖖ䛾⪏⏝ᖺᩘ䛿⟶㊰䠑䠌ᖺ㻌 㻌 㻌 㻌 㻌 ㈈ᨻⓗ䛻ᐇ᪋ᅔ㞴ᲤଔƢƗǔ䊻৲᝻ƕᐔ‫ٻ‬㻌Ფ᡿ƢƗǔ䊻ࢸ࠰ࡇ᝟ਃƕ‫ٻف‬㻌

34䠄䠎䠅㛗ᮇⓗ᭦᪂ィ⏬䜢Ỵ䜑䛶䛔䜛஦౛㻌 㻌 㻌 ᮾி㒔㻌 䠔䠌ᖺ㻌 㻌 㻌 ⤒῭ⓗ⪏⏝ᖺᩘ㻌 㻌 㻌 䠯ᕷ㻌 㻌 䠕䠌ᖺ㻌 㻌 㻌 㐣ཤ䛾ㄪᰝ⤖ᯝ㻌 㻌 㻌 䠆ᨵ⠏䜎䛷䛿ಟ⧋䛷ᑐᛂ35㐺ษ䛺ᨵ⠏᫬ᮇ䛾タᐃ㻌⟶䛾ᙉᗘ䛻䜘䜛೺඲⋡ண ᘧ㻌
Japan Institute of Wastewater Engineering and Technology

Japan Institute of Wastewater Engineering and Technologyຎ໬≧ែ䛾ᢕᥱ䛻⟶䛾ṧᏑᙉᗘ㻌 э⾪ᧁᙎᛶἼ᳨ᰝἲ䛾ά⏝䠘ᡭᘬ䛝䠚㻌 㻌 㻌 㻌 㻌 㻌 㻌䠄䠍䠅೺඲⋡ண ᘧ䛻䜘䜛㻌 䐟䝬䝹䝁䝣᥎⛣☜⋡䝰䝕䝹㻌 㻌 㻌 㻌㻌 䐠䝽䜲䝤䝹ศᕸ㏆ఝᘧ㻌 㻌 㻌㻌 䐡⟶Ὼຎ໬䝕䞊䝍䝧䞊䝇ά⏝䚸⊂⮬䛾ண䠄䠎䠅㐣ཤ䛾ᨵ⠏ᐇ⦼䛻ᇶ䛵䛟㻌 䐢⪏⏝ᖺᩘ䜢タᐃ㻌 㻌 㻌 㻌ᥦ᱌Ĭǹȑȳμ˳Ʒዬ࣯ࡇ䊠Ŵ䊡Ʒлӳƕ㻡㻜㻑㻌㻌ĭǹȑȳƷͤμࡇ࠯‫͌ר‬ƕ㻤㻜Ჟˌɦ㻌ᘧ36⥭ᛴᗘ䛻䜘䜛೺඲⋡ண ᘧ䠄௚㒔ᕷ஦౛䠅㻌37೺඲ᗘ䛻䜘䜛೺඲⋡ண ᘧ䠄௚㒔ᕷ஦౛䠅㻌

100%

୍⯡⎔ቃ

90%

⭉㣗⎔ቃ

80%

ᑐᩘ (୍⯡⎔ቃ)70%⣼஌ (⭉㣗⎔ቃ)Japan Institute of Wastewater Engineering and Technology

160%

120%

60%
50%
40%
30%y = 0.0090550 x1.1387330
R² = 0.7745807

20%

01020

33

30

40100%
೺඲ᗘC80%೺඲ᗘB60%

೺඲ᗘA

40%

10%0%

䐠

140%

y = 0.8182ln(x) - 3.0155
R² = 0.6288

⟶೺඲ᗘ

⥭ᛴᗘ๭ྜ

Japan Institute of Wastewater Engineering and Technology

5060

7073

80

90

100

䐡

0%

⤒㐣ᖺ

⥭ᛴᗘ๭ྜ50%䛸䛺䜛ᖺᩘ䜢ィ⟬䛩䜛䛸䚸䞉୍⯡⎔ቃ䠖73ᖺ䞉⭉㣗⎔ቃ䠖33ᖺ䛸タᐃ䛥䜜䜛䚹

Fᕷ䠄6ᆅ༊䠅⭉㣗⎔ቃ
᪂⟶

20%

䐟

010

20

30

40

5060⤒㐣ᖺᩘ

708090100⾪ᧁᙎᛶἼ᳨ᰝ䝷䞁䜽೺඲ᗘ᭤⥺38㻯㻮㻭㻝㻜㻜㻑㻪೺඲ᗘ䍻㻤㻜㻑㻤㻜㻑㻪೺඲ᗘ䍻㻢㻜㻑㻢㻜㻑㻪೺඲ᗘ䐟 ᪩ᮇ䛻ຎ໬䛜㢧ᅾ໬䛩䜛ሙྜ㻞㻟ᖺ㻠㻝ᖺ㻡㻤ᖺ䐠 ⦆䜔䛛䛻ᛶ⬟పୗ䛩䜛ሙྜ㻣㻜ᖺ㻤㻣ᖺ㻝㻜㻝ᖺ䐡 ⭉㣗⎔ቃ㻝㻝ᖺ㻝㻥ᖺ㻞㻢ᖺ39஦ᴗ䛾ᖹ‽໬㻌஦ᴗ䛾ᖹ‽໬䜈䛾ά⏝䜲䝯䞊䝆㻌Japan Institute of Wastewater Engineering and Technology

Japan Institute of Wastewater Engineering and TechnologyⓎ⏕☜⋡䖃⟶䛾᪋ᕤᖺᗘ

஦ᴗ㈝䛾ᖹ‽໬䖃⟶䛾ᇙタ῝䛥䖃ⱞ᝟䛾᝟ሗ䛾᭷↓➼⿕ᐖつᶍ䖃㔜せ᪋タ䛾᭷↓䖃㔜せ㐨㊰䖃䝤䝻䝑䜽༢఩䛾ᩚഛඃඛᗘ䜢タᐃ䛧䚸䛣䛾ඃඛᗘ䜢䝧䞊䝇䛻஦ᴗ㈝䛾ᖹ‽໬
40䜢⾜䛖䚹ấỪụᴾπႩ
Ⴉᝠ‫ׇ‬ඥʴᴾଐஜɦ൦ᢊૼ২ᘐೞನᴾ
42

Japan Institute of Wastewater Engineering and Technology41