传统排水与同层排水降噪性能研究

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1、щ从2012ᒪޞളᔰㆇ㔏≪ᧈ≪ᆜᵥ䇰එщ从䇰ᮽدཥಇ຤ᇑཞಇ຤ইሯႠీჺ৯StudyontheNoiseReductionPerformanceoftheTraditionalDrainageSystemandtheSameFloorDrainageSystem丙㣣ᕐ䎺୶ᯠᔪ੤׺ཷ˄ेӜᔪㆁᐕ〻ᆖ䲒⧟ຳо㜭Ⓚᐕ〻ᆖ䲒ेӜ100044˅HanFangZhanyuShangXinJianWuJunqi(BeijingUniversityofCivilEngineeringandArchitectureSch

2、oolofEnergyandEnvironmentEngineeringBeijing100044)ʌ㎙


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Fx,₴摯嬎਼ቲᧂ≤Ր㔏ᧂ≤ಚ༠仁⦷Keywords:samefloordrainagesystem,traditionaldrainagesystem,noise,frequencyO>ཞಇ຤ݛ๕਼ቲᧂ≤ᱟᤷᧂ≤⁚᭟

10、㇑нࠪᡧⲴа⿽ᧂ≤ᯩ⿱ᇶᙗ㾱≲䎺ᶕ䎺儈DŽՐ㔏Ⲵտᆵᧂ≤ᯩᔿᗇ⿱ᴹ⌅ˈ൘ᡁഭ䟷⭘ॷᶯ઼䱽ᶯ⌅ትཊˈⴞࡽᡁഭ95%ԕտᆵⲴӗᵳᆼᮤᙗ㕪ѿ⭼ᇊˈᧂ≤㇑䚃ク䗷ᾬᶯˈ⮉кⲴছ⭏䰤ӽ൘⭘Ր㔏ᧂ≤㌫㔏[1]DŽ䘁Ӌᒤᶕˈл⑇┿䳀ᛓDŽ㘼਼ቲᧂ≤ਟڊࡠᡧ⭼᰾Რˈᖂ኎࠶⭡Ҿਁ䗮ഭᇦᯠᢰᵟⲴᕅ䘋ǃབྷ䟿ᯠරᔪㆁⲴнᯝ⎼᰾ˈሩ㇑䚃㔤ᣔǃỰ؞઼᭩䙐ਚ䴰൘ᵜቲ޵䘋㹼ˈн⧠઼ᔪㆁ⨶ᘥⲴਈॆˈӪԜሩտᆵⲴ㡂䘲ᙗǃњᙗ઼ᒢᢠлቲDŽᆳӾṩᵜк䀓ߣҶছ⭏䰤Ⲵ䈨ཊ䰞仈ˈਟ̍ฮतኒፋපଅප

//32012ᒪޞളᔰㆇ㔏≪ᧈ≪ᆜᵥ䇰එщ从䇰ᮽщ从ԕ䇔

11、Ѫ൘нѵⲴሶᶕˈ਼ቲᧂ≤ᢰᵟሶᡀѪտᆵ઼ޜPLP>ํᄓݛ݆ޡᔪㆁᧂ≤㇑䚃ᮧ䇮ᯩᔿⲴѫ⍱[2]DŽ਼ቲᧂ≤Ⲵᆹ䟷⭘ᚂᇊ⍱䟿˄⍱䟿㤳ത1.0̚3.0L/s˅⌅᭮㻵ᯩᔿᴹٷ້ᡆ㘵എປቲᔿˈਟԕ䳄⿫ᧂ≤ᰦӗ⭏Ⲵ≤ˈ൘аቲ⍻䟿ᧂ≤㇑䚃Ⲵಚ༠[3ǃ4]ˈ᭮≤⍱䟿࠶ಚ༠ˈ䎧ࡠаᇊⲴ䱽ಚ᭸᷌DŽ࡛ਆѪ˖1.0L/sǃ1.5L/sǃ2.0L/sǃ2.5L/sǃ3.0L/sˈ⍻䟿5њ⍱䟿лⲴᧂ≤ಚ༠A༠㓗DŽ㔉ᧂ≤㇑䐟㌫P>ሯำۨጎዃतݛ݆㔏㿱മ1DŽPLO>ํᄓጎዃ