DLFJ99-1991火力发电厂主厂房钢-混凝土组合结构设计暂行规定.pdf 45页

'☿࡯থ⬉ॖЏॖ᠓义ⷕˈ1/45☿࡯থ⬉ॖЏॖ᠓䩶-⏋ޱೳ㒘ড়㒧ᵘ䆒䅵᱖㸠㾘ᅮDLFJ99-91SpecificationsfordesignofcompositestructureofsteelandconcreteinthermalpowerplantmainbuildingЏ㓪ऩԡ˖㛑⑤ढ࣫⬉࡯䆒䅵䰶ᡍޚ䚼䮼˖㛑⑤䚼⬉࡯㾘ߦ䆒䅵ㅵ⧚ሔ㛑⑤䚼⬉࡯㾘ߦ䆒䅵ㅵ⧚ሔ݇Ѣ乕থlj☿࡯থ⬉ॖЏॖ᠓䩶-⏋ޱೳ㒘ড়㒧ᵘ䆒䅵᱖㸠㾘ᅮNJⱘ䗮ⶹ⬉㾘ᡔ(1992)2োЎᣛᇐ☿࡯থ⬉ॖЏॖ᠓䩶-⏋ޱೳ㒘ড়㒧ᵘⱘ䆒䅵ˈ៥ሔ㒘㒛ढ࣫ǃቅ㽓ǃ咥啭∳⬉࡯䆒䅵䰶੠⬉࡯ᓎ䆒ⷨお᠔ˈ೼ᘏ㒧Ꮉ⿟ᅲ䏉㒣偠੠໻䞣⾥ⷨ䆩偠៤ᵰⱘ෎⸔Ϟˈ㓪ࠊњlj☿࡯থ⬉ॖЏॖ᠓䩶-⏋ޱೳ㒘ড়㒧ᵘ䆒䅵᱖㸠㾘ᅮNJDLGJ99ü91ˈ⦄ќ乕থDŽᴀ㾘ᅮ⬅ढ࣫⬉࡯䆒䅵䰶ᡓᢙ᮹ᐌㅵ⧚Ꮉ԰ˈᏠ৘ऩԡ೼䆩㸠䖛⿟Ёˈ⊼ᛣ⿃㌃䌘᭭ˈঞᯊᘏ㒧㒣偠DŽབথ⦄ϡཹ੠䳔㽕㸹ܙП໘ˈ䇋䱣ᯊߑਞढ࣫⬉࡯䆒䅵䰶ᑊᡘ䗕៥ሔDŽϔббѠᑈϔ᳜ܿ᮹1ᘏ߭1.0.1ᴀ㾘ᅮЏ㽕䗖⫼Ѣ☿࡯থ⬉ॖЏॖ᠓㒧ᵘDŽ☿࡯থ⬉ॖ݊Ҫᓎㄥ੠ϔ㠀ᎹϮϢ⇥⫼ᓎㄥৃখ✻ᠻ㸠DŽ1.0.2䩶-⏋ޱೳ㒘ড়㒧ᵘ䆒䅵ˈᖙ乏䌃ᕏ೑ᆊᡔᴃ㒣⌢ᬓㄪˈܙߚ㗗㰥Ꮉ⿟ᚙމǃᴤ᭭կᑨǃᵘӊ䖤䕧ǃᅝ㺙੠ᮑᎹⱘ݋ԧᴵӊˈড়⧚䗝⫼㒧ᵘᮍḜˈخࠄᅝܼǃ㒣⌢੠䗖⫼DŽᦤ催㓐ড়ᬜⲞˈৠᯊᑨヺড়䰆☿㽕∖ˈ⊼ᛣ㒧ᵘⱘᡫ㜤㱔ᗻ㛑DŽ1.0.3䰸ᴀ㾘ᅮ໪ˈᇮᑨ䙉ᅜ⦄㸠೑ᆊᷛޚljᓎㄥ㒧ᵘ䆒䅵㒳ϔᷛޚNJGBJ68ü84ǃlj䩶㒧ᵘ䆒䅵㾘㣗NJGBJ17ü88ǃlj⏋ޱೳ㒧ᵘ䆒䅵㾘㣗NJGBJ10ü89ǃljᓎㄥᡫ䳛䆒䅵㾘㣗NJGBJ11ü89ⱘ᳝݇㾘ᅮDŽ1.0.4ᴀ㾘ᅮՓ⫼ⱘヺোǃ䅵䞣ऩԡ੠෎ᴀᴃ䇁ᰃᣝ✻೑ᆊ⦄㸠ᷛޚljᓎㄥ㒧ᵘ䆒䅵䗮⫼ヺোǃ䅵䞣ऩԡ੠෎ᴀᴃ䇁NJGBJ83ü85ⱘ㾘ᅮ䞛⫼ⱘDŽ1.0.5ᣝᴀ㾘ᅮ䆒䅵ᯊˈ㥋䕑ᑨᣝ⦄㸠೑ᆊᷛޚljᓎㄥ㒧ᵘ㥋䕑㾘㣗NJGBJ9ü87੠lj☿࡯থ⬉ॖೳᓎ㒧ᵘ䆒䅵ᡔᴃ㾘ᅮNJDL5022ü93ⱘ㾘ᅮᠻ㸠ˈᴤ᭭੠ᮑᎹ䋼䞣ᑨヺড়⦄㸠೑ᆊᷛޚlj䩶㒧ᵘᎹ⿟ᮑᎹঞ偠ᬊ㾘㣗NJGBJ205ü83ǃlj⏋ޱೳ㒧ᵘᎹ⿟ᮑᎹঞ偠ᬊ㾘㣗NJGB50204ü92੠lj⬉࡯ᓎ䆒ᮑᎹঞ偠ᬊᡔᴃ㾘㣗(ᓎㄥᎹ⿟㆛)NJSDJ69ü87ⱘ㽕∖ˈ⏋ޱೳᔎᑺⱘẔ偠䆘ᅮᑨヺড়⦄㸠೑ᆊᷛޚlj⏋ޱೳᔎᑺẔ偠䆘ᅮᷛޚNJGBJ107ü87ঞ᳝݇೑ᆊᷛޚⱘ㽕∖DŽ᳝݇䩶㒧ᵘ䚼ߚⱘ䆒䅵ᇮᑨ⊼ᯢ᠔㽕∖ⱘ⛞㓱䋼䞣㑻߿ঞᇍ䩶ᴤ᠔㽕∖ⱘᴎẄᗻ㛑੠࣪ᄺ៤ߚⱘ䰘ࡴ䆕乍ⳂDŽ2Џ㽕ᴃ䇁ǃヺোǃҷো2.0.1ϔ㠀ᴃ䇁file://C:dlhb2002WJ18.htm2003-06-12 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☿࡯থ⬉ॖЏॖ᠓义ⷕˈ3/453.1෎ᴀ㾘ᅮ3.1.1ᴀ㾘ᅮা䰤⫼Ѣ೚䩶ㅵݙ฿⏋ޱೳⱘ䩶ㅵ⏋ޱೳ㒧ᵘDŽ䩶ㅵ⏋ޱೳᴚӊ޴ԩ⡍ᕕ㾕䰘ᔩADŽ3.1.2䩶ㅵ໪ᕘϡᅰᇣѢ100mmˈຕ८ϡᅰᇣѢ4mmDŽ䩶ㅵ໪ᕘϢຕ८П↨ˈᅰ೼20˘D/t˘100㣗ೈݙ䗝⫼ˈेᐌ⫼৿䩶⥛¿=A/A=0.04̚0.20ˈA੠Aߚ߿ᰃ䩶ㅵ੠ㅵЁ⏋ޱೳⱘ䴶⿃DŽ䞛⫼ぎ䩶ㅵⱘᴚӊscscᑨヺড়lj䩶㒧ᵘ䆒䅵㾘㣗NJGBJ17ü88ⱘ᳝݇㾘ᅮDŽ3.1.3䩶ㅵ⏋ޱೳ㒧ᵘᅰ⫼԰䕈य़៪ᇣأᖗফय़ᵘӊDŽᔧأᖗ䕗໻䞛⫼ऩḍᵘӊϡ໳㒣⌢ড়⧚ᯊˈᅰ䞛⫼Ḑᵘᓣ㒘ড়ᵘӊDŽ3.1.4ॖ᠓᷅੠ᶊᵘ᷅ⱘ៾䴶ᔶᓣ᳝ऩ㙶ǃঠ㙶ǃϝ㙶੠ಯ㙶4⾡ˈᑨḍ᥂ॖ᠓㾘῵ǃ㒧ᵘᔶᓣǃ㥋䕑ᚙމ੠Փ⫼㽕∖⹂ᅮDŽЏॖ᠓ⱘḚ(ᥦ)ᶊ᷅ˈᅰ䞛⫼Ḑᵘᓣ㒘ড়᷅DŽ3.1.5೼ᡫ䳛䆒䅵ᯊˈᇍ䞛⫼䩶ㄟ⏋ޱೳ῾ṕⱘḚᶊˈ݊㒧ᵘᡫ䳛ㄝ㑻ৃᣝ✻䩶ㄟ⏋ޱೳ㒧ᵘⱘㄝ㑻ߦߚDŽ೼᮴ᯢ⹂㾘ᅮᯊˈ䩶ㅵ⏋ޱೳⱘᡫ䳛䅵ㅫখ᭄ˈৃᣝ䩶ㄟ⏋ޱೳপؐDŽ3.2ᴤ᭭3.2.1䩶ᴤৃ䞛⫼3ো䩶ǃ16Mn៪16Mnq䩶ঞ15MnV៪15MnVq䩶ˈ݊䋼䞣ᑨߚ߿ヺড়⦄㸠೑ᆊᷛޚDŽ⫼Ѣㅵ᷅ⱘ䩶ᴤᇮᑨ݋᳝ދᔃ䆩偠ⱘড়Ḑ䆕DŽ3.2.2䩶ㅵᅰ䞛⫼㶎ᮟ⛞᥹ㅵ៪Ⳉ㓱⛞᥹ㅵDŽ⛞㓱ᖙ乏䞛⫼ᇍ᥹⛞㓱ˈᑊヺড়Ѡ㑻䋼䞣Ẕ偠ᷛޚDŽ3.2.3⏋ޱೳϔ㠀䞛⫼᱂䗮⏋ޱೳˈ∈♄↨ᑨ᥻ࠊ೼0.45ҹϟDŽ⏋ޱೳࡴޣ∈ࠖৢˈഡ㨑ᑺᅰᣕ೼160mmᎺেDŽ3.2.4⏋ޱೳⱘᔎᑺㄝ㑻ϡᅰԢѢC30㑻ˈгϡᅰ催ѢC50㑻ˈᑊৃখ✻ϟ߫㾘ᅮ䖯㸠ᴤ᭭㒘ড়˖3ো䩶੠16Mn䩶䜡C30៪C40⏋ޱೳ˗15MnV䩶䜡C40៪C50⏋ޱೳDŽ3.2.5䩶ㅵ⏋ޱೳ䕈ᖗফय़㒘ড়ᔎᑺ䆒䅵ؐf⬅㸼3.2.5ᶹ⫼DŽsc㸼3.2.5䩶ㅵ⏋ޱೳ䕈ᖗফय़㒘ড়ᔎᑺ䆒䅵ؐf(N/mm2)sc䩶ᴤ⏋ޱೳwww.bzfxw.com¿=0.040.050.060.070.080.090.100.11C3027.730.032.334.636.839.041.143.33ো䩶C4033.135.437.739.942.144.346.448.5C5037.840.242.544.746.949.051.153.2C3032.936.439.943.346.750.053.256.316MnC4038.341.845.248.551.855.058.261.2C5043.146.650.053.356.559.662.765.8C3034.638.542.446.149.853.457.060.415MnVC4040.043.847.651.354.958.461.965.2C5044.848.652.355.959.563.066.469.7¿䩶ᴤ⏋ޱೳ0.130.140.150.160.170.180.190.20=0.12C3045.447.549.551.553.555.557.459.361.23ো䩶C4050.552.554.556.558.460.362.264.065.8C5055.257.259.161.062.964.866.668.470.1C3059.462.465.468.371.274.076.779.482.016MnC4064.267.170.072.875.578.180.683.185.5C5068.971.674.377.079.682.184.687.089.3file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ4/45C3063.867.170.473.676.779.782.685.588.315MnVC4068.571.674.777.780.783.586.388.991.5C5072.975.978.981.884.787.490.192.695.1⊼˖Ё䯈ؐৃ䞛⫼ᦦܹ⊩∖ᕫDŽ䩶ㅵ⏋ޱೳফ࠾㒘ড়ᔎᑺ䆒䅵ؐfVᣝϟᓣ䅵ㅫ˖scǂ(3.2.5)3.2.6䩶ㅵ⏋ޱೳফय़ᵘӊᡓফ∌Й㥋䕑ᓩ䍋ⱘ䕈ᖗ࡯ऴܼ䚼䕈ᖗ࡯30%ঞҹϞᯊˈᑨᇚ㒘ড়ᔎᑺ䆒䅵ؐЬҹ⏋ޱೳᕤবᕅડ㋏᭄KˈKؐᣝ㸼3.2.6䞛⫼DŽcc∌Й㥋䕑ᓩ䍋ⱘ䕈ᖗ࡯ऴܼ䚼䕈ᖗ࡯30%ҹϟᯊˈKপ1.0DŽcᇍѢأᖗ⥛e/r˚0.3ⱘأᖗফय़ᵘӊˈৃϡ㗗㰥ᕤবⱘᕅડ˗أᖗ⥛e/rİ0.3ᯊˈᑨ䅵ܹᕤবᕅccડˈKؐᣝ㸼3.2.6䞛⫼DŽc3.2.7䩶ㅵ⏋ޱೳ䕈ᖗফय़㒘ড়ᔍᗻ῵䞣Eؐৃ⬅㸼3.2.7䗝⫼DŽsc㸼3.2.6ᕤবᡬޣ㋏᭄Kؐc∌Й㥋䕑᠔ऴ↨՟(%)䭓㒚↨¬30507050˘¬İ700.900.850.8070˘¬İ1200.850.800.75⊼˖㸼ݙЁ䯈ؐৃ䞛⫼ᦦܹ⊩∖ᕫDŽ䭓㒚↨ǂ¬=4L/DˈᓣЁLüᵘӊ䅵ㅫ䭓ᑺ˗Dü䩶ㅵ໪ⳈᕘDŽǂ㸼3.2.7㒘ড়ᔍᗻ῵䞣E(N/mm2)sc⏋ޱ¿䩶ᴤwww.bzfxw.com0.050.060.070.080.090.100.110.12ೳ=0.04C303068532930351353731039445415454361545645476353ো䩶C40377703999542185443304644048510505405253054480C50448704708549260513905348555530575405950561425C3027660303103290035435379054032042670449704720516MnC40330953572038275407654319045550478405007052235C50385554115543695461604855550880531405532557445C3027260300853283535520381354067543150455554788515MnVC40322853507537790404204298045460478605018552430C50373364010542795453954792850360527205499557190䩶ᴤ⏋ޱೳ¿=0.130.140.150.160.170.180.190.20C3049595515205340555260570755885560600623103ো䩶C405639058260600906188563635653506702568660C506331065150669506870570420720957372575315C30493805149553555555555749559375611956295716MnC405433056360583256022562060638306553567170C505949561475633856522566995687097033071895标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ5/45C30501505234054465565155850060410622556402515MnVC405460056690587006063562495642756597567600C505930061330632806514566925686257024571780⊼˖Ё䯈ؐৃ䞛⫼ᦦܹ⊩∖ᕫDŽ䩶ㅵ⏋ޱೳ㒘ড়࠾ব῵䞣ᣝϟᓣ䅵ㅫ˖ǂ(3.2.7)3.3ᵘӊᡓ䕑࡯䅵ㅫ3.3.1ऩḍ䩶ㅵ⏋ޱೳ䕈ᖗফ࡯ᵘӊⱘᡓ䕑࡯ᣝϟᓣ䅵ㅫDŽ3.3.1.1ᔧ䕈ᖗফय़ᯊ˖ǂǂ(3.3.1-1)ᓣЁ¶üü䕈ᖗফय़〇ᅮ㋏᭄ˈ⬅㸼3.3.1ᶹ⫼˗A=±r2üü䩶ㅵ⏋ޱೳᵘӊ៾䴶⿃˗scrüü䩶ㅵ໪ञᕘDŽ3.3.1.2ᔧ䕈ᖗফᢝᯊ˖ǂǂ(3.3.1-2)ᓣЁAüü䩶ㅵ៾䴶⿃˗sfüü䩶ㅵ䩶ᴤᡫᢝᔎᑺ䆒䅵ؐDŽ㸼3.3.1䕈ᖗফय़ᵘӊ〇ᅮ㋏᭄¶¬10203040503ো䩶1.0000.9900.9780.9600.902䩶ᴤ16Mnwww.bzfxw.com1.0000.9900.9760.9560.89715MnV1.0000.9900.9760.9570.898¬607080901003ো䩶0.8490.8010.7610.7270.696䩶ᴤ16Mn0.8410.7910.7480.7100.63115MnV0.8420.7930.7500.7130.596¬1101201301401503ো䩶0.6660.6090.5190.4470.390䩶ᴤ16Mn0.5380.4690.4000.3450.30015MnV0.5080.4430.3770.3250.283⊼˖Ё䯈ؐ䞛⫼ᦦܹ⊩∖ᕫDŽ3.3.2Ḑᵘᓣ䩶ㅵ⏋ޱೳ䕈ᖗফय़ᵘӊᡓ䕑࡯ҡᣝ݀ᓣ(3.3.1-1)䅵ㅫˈԚᑨḍ᥂ᵘӊⱘᤶㅫ䭓㒚↨ᶹ〇ᅮ㋏᭄¶ؐDŽᵘӊⱘᤶㅫ䭓㒚↨㾕㸼3.3.2DŽᔧಯ㙶᷅ݙ໪᷅㙶៾䴶ϡⳌৠᯊˈᣝϟϸᓣ䅵ㅫᤶㅫ䭓㒚↨˖ǂ(3.3.2-1)㸼3.3.2Ḑᵘᓣᵘӊⱘᤶㅫ䭓㒚↨file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ6/45乍៾䴶ൟᓣ㝍ᴚ㉏߿䅵ㅫ݀ᓣヺোᛣНⳂঠᑇ㝍ᴚ¬Y੠¬Xᰃ1㙶᭰㝍ᴚᭈϾᵘӊᇍY-᷅Y䕈੠X-X䕈ⱘ䭓㒚↨˗¬ᰃऩ㙶ϔ1ϝϾ㡖䯈ⱘ䭓㒚2㙶᭰㝍ᴚ↨˗᷅Aᰃϔḍ᷅s㙶ⱘ䩶ㅵ䴶⿃˗ಯA1ᰃϔḍ㝍3㙶᭰㝍ᴚᴚぎ䩶ㅵⱘ䴶᷅⿃⊼˖㸼Ёঠ㙶ᑇ㝍ᴚ᷅ⱘᵘ䗴㽕∖㾕㄀3.4.8ᴵDŽwww.bzfxw.com(3.3.2-2)ᔧϝ㙶᷅ݙ໪㙶៾䴶ϡⳌৠᯊˈ߭ᣝϟᓣ䅵ㅫ˖ǂǂ(3.3.2-3)ᓣЁüüಯḍ៪ϝḍ᷅㙶ⱘ៾䴶ᤶㅫ߮ᑺП੠˗EAüüϔḍ㝍ᴚぎ䩶ㅵⱘ៾䴶߮ᑺ˗s1Aüü৘᷅㙶䩶ㅵ䴶⿃DŽSIᵘӊ䭓㒚↨˖ऩ㙶䭓㒚↨˖ᓣЁA=±r2üüϔḍ᷅㙶ⱘ៾䴶䴶⿃˗scI=±r4/4üüϔḍ᷅㙶ⱘ៾䴶ᛃᗻⶽ˗sc标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 www.bzfxw.com ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ8/45ǂ(3.3.6)ᓣЁǂ¶üüᣝᤶㅫ䭓㒚↨ᶹᕫⱘ偠ㅫᑇ䴶ݙⱘ䕈ᖗফय़ᵘӊ〇ᅮ㋏᭄ˈ⬅㸼3.3.1ᶹ⫼˗݊ҪヺোᛣНৠࠡDŽḐᵘᓣ᷅ᑇ䴶໪ⱘᭈԧ〇ᅮᗻϡᖙ偠ㅫˈԚᑨ偠ㅫ᳔໻ফय़㙶ⱘ〇ᅮᗻDŽᇍ᭰㝍ᴚḐᵘᓣ᷅ⱘऩ㙶ˈৃᣝḕᶊⱘᓺᴚ䅵ㅫDŽᇍᑇ㝍ᴚḐᵘᓣ᷅ⱘऩ㙶ˈᇮᑨ㗗㰥⬅࠾࡯ᓩ䍋ⱘሔ䚼ᔃⶽᕅડˈᣝأᖗফय़ᵘӊ䅵ㅫDŽ㝍ᴚ᠔ফ࠾࡯পᅲ䰙࠾࡯੠ᣝ݀ᓣ(3.3.4)䅵ㅫ࠾࡯Ёⱘ䕗໻ؐDŽ3.4㒧ᵘ੠ᵘ䗴3.4.1Џॖ᠓Ḛ(ᥦ)ᶊ㒧ᵘⱘ䅵ㅫㅔ೒ǃ԰⫼ᬜᑨߚᵤǃ㒘ড়ঞ෎ᴀ䅵ㅫ㾘ᅮˈᣝ✻lj☿࡯থ⬉ॖೳᓎ㒧ᵘ䆒䅵ᡔᴃ㾘ᅮNJDL/T5032ü94ⱘ᳝݇ᴵ᭛ᠻ㸠DŽᮑᎹᯊˈབ䞛⫼ܜᅝ㺙ぎ䩶ㅵ᷅ǃ῾ṕ੠㒉ṕ㒘៤Ḛᶊˈৢ⌛☠ㅵݙ⏋ޱೳⱘᮍ⊩ᯊˈᑨᣝᮑᎹ䰊↉ⱘ㥋䕑偠ㅫぎ䩶ㅵḚ(ᥦ)ᶊⱘᔎᑺ੠〇ᅮᗻDŽㅵ᷅᥻ࠊ៾䴶ⱘ᳔໻ᑨ࡯ؐˈϡᅰ䍙䖛݊ᔎᑺ䆒䅵ؐⱘ50%DŽ3.4.2Џॖ᠓Ḛᶊ᷅੠ᥦᶊ䰊ᔶ᷅ⱘ䅵ㅫ䭓ᑺߚ߿ᣝ✻lj䩶㒧ᵘ䆒䅵㾘㣗NJGBJ17ü88㄀5.3.3ᴵ੠㄀5.3.4ᴵ⹂ᅮDŽ3.4.3䩶ㅵ⏋ޱೳ㒧ᵘЁᵘӊⱘ䭓㒚↨ϡᅰ䍙䖛㸼3.4.3ⱘ᭄ؐDŽ㸼3.4.3䩶ㅵ⏋ޱೳ㒧ᵘЁᵘӊⱘᆍ䆌䭓㒚↨۰¬ّᆍ䆌䭓㒚↨ᆍ䆌䭓㒚↨ᑣোᵘӊৡ⿄ᑣোᵘӊৡ⿄۰¬ّ۰¬ّ1ॖ᠓᷅ǃ♝ᶊ᷅www.bzfxw.com804㒘ড়᷅ⱘফय़㝍ᴚǃ᷅1502ᑇৄ᷅ǃᷜḹ᷅1005䯈ᬃᩥফᢝᵘӊ2003ḕᶊय़ᴚ1203.4.4Џॖ᠓Ḛᶊ೼亢㥋䕑԰⫼ϟⱘ乊⚍∈ᑇԡ⿏੠ሖ䯈Ⳍᇍԡ⿏ⱘ䰤ؐ㽕∖ˈৠlj䩶㒧ᵘ䆒䅵㾘㣗NJGBJ17ü88㄀3.3.3ᴵDŽ೼ഄ䳛԰⫼ϟˈḚ(ᥦ)ᶊ㒧ᵘⱘᡫ䳛বᔶ偠ㅫˈᑨᣝ✻ljᓎㄥᡫ䳛䆒䅵㾘㣗NJGBJ11ü89੠lj⬉࡯䆒ᮑᡫ䳛䆒䅵㾘㣗NJⱘ᳝݇㽕∖䖯㸠DŽ3.4.5ᇍḚ(ᥦ)ᶊ㒧ᵘ԰⫼ᬜᑨߚᵤᯊˈৃᣝϟᓣ䅵ㅫ᷅ⱘᡫջ⿏߮ᑺ˖ǂǂB=¬EI(3.4.5)scscᓣЁEüü᷅ⱘ㒘ড়ᔍᗻ῵䞣ˈᣝ㄀3.2.7ᴵ⹂ᅮ˗scIüüᭈϾ᷅៾䴶ᛃᗻⶽ˗sc¬üü᷅߮ᑺᡬޣ㋏᭄DŽᔧЎऩ㙶᷅ᯊˈ¬=1˗ᔧЎḐᵘᓣ㒘ড়᷅ᯊˈ¬ؐߚ߿ᣝ㄀3.4.6ᴵ੠㄀3.4.7ᴵ䅵ㅫDŽ3.4.6᭰㝍ᴚḐᵘᓣ㒘ড়᷅⫼ѢḚ(ᥦ)ᶊ᷅ᯊˈ݊߮ᑺᡬޣ㋏᭄ৃᣝϟᓣ䅵ㅫ˖标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 www.bzfxw.com ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ10/45೒3.4.7ᑇ㝍ᴚḐᵘᓣ᷅3.4.7ᑇ㝍ᴚḐᵘᓣ㒘ড়᷅⫼ѢḚ(ᥦ)ᶊ᷅ᯊˈᅰᇚ㒘ড়᷅㾚Ў໮ሖḚᶊ(㾕೒3.4.7)ˈϢᭈϾ㒧ᵘ䖯㸠㘨㾷DŽЎㅔ࣪䅵ㅫˈ㒘ড়᷅ⱘ߮ᑺᡬޣ㋏᭄ৃᣝϟᓣ䅵ㅫ˖ǂǂ(3.4.7)ᓣЁlüü᷅㙶Ёᖗ䎱˗feüü᷅㙶ޔ䯈䎱˗fIüüϔḍ㝍ᴚ៾䴶ᛃᗻⶽ˗fIüϔḍ㙶ᴚ៾䴶ᛃᗻⶽ˗scAüüϔḍ㙶ᴚ៾䴶䴶⿃˗sc݊ҪヺোᛣНৠ㄀3.4.6ᴵDŽ3.4.8ᡓফأᖗय़࡯ⱘḐᵘᓣ㒘ড়᷅ᅰ䞛⫼᭰㝍ᴚᓣˈ᭰㝍ᴚϢ᷅㙶䕈㒓䯈།㾦ᑨ೼35É̚55É㣗ೈݙˈᑊሑ䞣Փᴚӊ䕈㒓೼㡖⚍໘ѸѢϔ⚍ˈ㗠Ϩ㝍ᴚޔ䎱ϡᇣѢ50mm(㾕೒3.4.8)DŽབϞ䗄㽕∖ϡ㛑⒵䎇ᯊˈ᭰㝍ᴚ䕈㒓Ѹ⚍Ϣ᷅㙶䕈㒓䎱⾏гϡᕫ໻ѢD/4(DЎ᷅㙶Ⳉᕘ)ˈ৺߭ᑨ㗗㰥݊أᖗᕅડDŽབᵰ᷅㙶䯈䎱⾏䕗䖥៪᳝Փ⫼㽕∖ᯊˈৃ䞛⫼ᑇ㝍ᴚᓣ㒘ড়᷅DŽԚᑨ⒵䎇ҹϟᴵӊ˖ᑇ㝍ᴚЁᖗ䎱⾏ϡ໻Ѣ᷅㙶Ёᖗ䎱⾏ⱘ4סDŽᑇ㝍ᴚぎ䩶ㅵ䴶⿃ϡᇣѢϔϾ᷅㙶䩶ㅵ䴶⿃ⱘ1/4ˈᑇ㝍ᴚⱘ䭓㒚↨ϡ໻ѢऩϾ᷅㙶䭓㒚↨ⱘ0.5סDŽ㝍ᴚ੠᷅㙶ᑨⳈ᥹⛞᥹ˈ᷅㙶ϞϡᕫᓔᄨDŽ᷅㙶Ϣ㝍ᴚ䖲᥹ⱘ݊Ҫᵘ䗴㽕∖ˈ⛞㓱䅵ㅫঞ᷅㙶೼䖲᥹໘ⱘফᢝᡓ䕑࡯䅵ㅫwww.bzfxw.com(ফय़ᡓ䕑࡯ৃϡ䅵ㅫ)ഛᣝ✻lj䩶㒧ᵘ䆒䅵㾘㣗NJGBJ17ü88㄀कゴ䖯㸠DŽǂ㝍ᴚϔ㠀䞛⫼ぎ䩶ㅵDŽ3.4.9ᇍϝ㙶੠ಯ㙶Ḑᵘᓣ㒘ড়᷅ˈᑨ䆒㕂῾䱨DŽ῾䱨䯈䎱ϡᑨ໻Ѣ᷅៾䴶䭓䖍ⱘ9ס៪8mDŽ೼ফ᳝䕗໻∈ᑇ࡯໘੠䖤䕧ऩܗⱘッ䚼ᑨ䆒㕂῾䱨ˈϨ↣Ͼ䖤䕧ऩܗϡᇥѢ2ϾDŽ῾䱨ᵘ䗴བ೒3.4.9DŽ೒3.4.8᭰㝍ᴚ㡖⚍标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ11/45೒3.4.9῾䱨ᵘ䗴3.4.10ऩ㙶Ḛᶊ᷅ⱘ乊ሖ᷅ঞᥦᶊ䰊ᔶ᷅ⱘϞ᷅гৃ䞛⫼Ϣ䩶ᵓ⛞᥹ⱘ㒘ড়ᮁ䴶ᔶᓣˈབ೒3.4.10DŽ೒3.4.10㒘ড়ᮁ䴶ᔶᓣ3.4.11೼ḕᶊЁˈফय़ᓺᴚᅰ䗝⫼䩶ㅵ⏋ޱೳᴚӊˈ݊Ҫᴚӊৃ䞛⫼ぎ䩶ㅵDŽᴚӊП䯈ৃⳈ᥹⛞᥹៪⫼㡖⚍ᵓ䖲᥹DŽ3.4.12೼ㅵЁ⏋ޱೳⱘᔎᑺ䖒ࠄ70%ҹৢˈܕ䆌೼ㅵຕϞࡴ⛞ᬃ৞ᶊǃⷪ๭ᢝ㒧ㄟㄝˈԚᑨሑ䞣䙓ܡ໻䞣䲚Ёᮑ⛞៪೼ৠϔᵘӊϞ໮⚍ৠᯊᮑ⛞ˈᑊᑨ䞛⫼䕗ᇣⱘ⛞᥹⬉⌕DŽᇍᬃᡓ䞡䞣䕗໻ⱘᬃ৞ᶊˈᅰ䞛⫼ࡴᔎ⦃ᔶᓣˈᑊሑ䞣೼ㅵЁ⏋ޱೳ⌛☠ࠡ⛞དˈᣝᓣwww.bzfxw.com(3.5.7)偠ㅫㅵຕᔎᑺDŽ3.5㡖⚍੠䖲᥹3.5.1䩶ㅵ⏋ޱೳ㒧ᵘ䖲᥹㡖⚍ⱘ䆒䅵ˈᑨ⒵䎇ᔎᑺǃ߮ᑺ੠〇ᅮᗻⱘ㽕∖ˈ䆕࡯ⱘӴ䗦ˈՓ䩶ㅵ੠ㅵЁ⏋ޱೳ㛑݅ৠᎹ԰ˈᑊѢࠊ԰ǃᅝ㺙੠ㅵЁ⏋ޱೳⱘ⌛☠ᮑᎹDŽᇍഄ䳛ऎ㒧ᵘⱘ㡖⚍ˈ䖬ᑨҢᵘ䗴Ϟ䆕݊ᡫ䳛㽕∖DŽ೒3.5.2-1䩶ṕ㡖⚍3.5.2ॖ᠓Ḛᶊ੠䫙♝♝ᶊⱘṕ᷅߮ᗻ㡖⚍ˈᑨৃ䴴Ӵ䗦ᔃⶽǃ࠾࡯੠䕈࡯ˈᅰ䞛⫼ࡴᔎ⦃㡖⚍ᔶᓣDŽ3.5.2.1ᔧ῾ṕЎᎹᄫᔶ៾䴶䩶ṕᯊˈ㡖⚍ᔶᓣབ೒3.5.2-1DŽfile://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ12/45ࡴᔎ⦃ᵓᑨ㛑ᡓফṕッᔃⶽঞ䕈৥࡯ᓩ䍋ⱘᢝ࡯ˈṕ㝍ᵓϢ᷅㙶⛞㓱ᑨ㛑ᡓফṕッ࠾࡯ˈгৃ䞛⫼ᯢ⠯㝓ᡓ࠾DŽṕッݙ࡯䕗໻ᯊˈṕৃࡴ㜟DŽ3.5.2.2ᔧ῾ṕЎ乘ࠊ(៪⦄⌛)䩶ㄟ⏋ޱೳṕᯊˈ㡖⚍ᔶᓣབ೒3.5.2-2੠೒3.5.2-3DŽ೒3.5.2-2ᯢ⠯㝓㡖⚍www.bzfxw.com೒3.5.2-3ᱫ⠯㝓㡖⚍೒3.5.2-4ঠ㙶᷅㡖⚍ࡴᔎ⦃ᵓᑨ㛑ᡓফṕッᔃⶽঞ䕈৥࡯ᓩ䍋ⱘᢝ࡯ˈᑊ䆕Ϣ⏋ޱೳṕ䖲᥹ⱘㄝᔎ䖛⏵DŽ䩶⠯㝓(៪㝍ᵓ)ᑨ㛑ᡓফṕッ࠾࡯DŽ⠯㝓ᬃᡓ䭓ᑺLİh/2ˈԚϡᇣѢ150mmDŽ标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ13/45བṕЎ乘ࠊˈࡴᔎ⦃ᵓϢṕッඟᵓ⛞᥹DŽབṕЎ⦄⌛ˈṕݙЏㄟৃⳈ᥹⛞೼⦃ᵓϞDŽ3.5.2.3ᇍḐᵘᓣ㒘ড়᷅ⱘ߮ᗻ㡖⚍ˈᖙ乏䞛⫼᳝ᬜ᥾ᮑ䆕㡖⚍ⱘᭈԧ߮ᑺDŽঠ㙶᷅㡖⚍໘ˈᑨѢϸջࡴ⛞䌈ᵓᇕ䯁ˈབ᷅㙶Ⳍ䎱䕗໻៪ṕ䕗催ᯊˈᅰ䆒Ё䯈ࡴࢆ㙟ˈབ೒3.5.2-4DŽ3.5.3ॖ᠓ᥦᶊṕ᷅ⱘ䫄᥹㡖⚍ˈᑨ㛑Ӵ䗦࠾࡯੠䕈࡯DŽ䫄᥹㡖⚍ৃ䞛⫼ᯢ⠯㝓ᔶᓣ(བ೒3.5.3-1)ˈ៪䞛⫼㡖⚍ᵓᔶᓣ(བ೒3.5.3-2)DŽᯢ⠯㝓㡖⚍ৃ⫼Ѣᥦᶊ㒉ṕ䖲᥹˗ᵓᓣ㡖⚍ᐌ⫼Ѣ᷅䯈ᬃᩥ䖲᥹DŽ㡖⚍䅵ㅫৠ䩶㒧ᵘ䅵ㅫˈᑊᑨ⒵䎇㄀3.5.7ᴵ㽕∖ˈབϡ⒵䎇ৃ䆒ࡴࢆᵓDŽ᷅䯈ᬃᩥѺৃ䞛⫼Ϣ᷅Ⳉ᥹⛞᥹ⱘ䩶ㅵˈ݊ᵘ䗴੠䅵ㅫ㽕∖খ✻㄀3.4.8ᴵDŽ೒3.5.3-1ᯢ⠯㝓䫄㡖⚍www.bzfxw.com೒3.5.3-2ᵓᓣ䫄㡖⚍3.5.4ॖ᠓䰊ᔶ᷅ব៾䴶໘ⱘᵘ䗴བ೒3.5.4-1᠔⼎DŽfile://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ14/45೒3.5.4-1㒘ড়᷅ব៾䴶໘㡖⚍೒3.5.4-2৞䔺㙶䅵ㅫㅔ೒೒⼎৞䔺㙶ᣝ㙽ṕこ䖛䩶ㅵᵘ䗴DŽ㙽ṕᦦܹ᷅㙶Ϟ䚼ῑݙˈϢ䩶ㅵҹ㾦⛞㓱䖲᥹ˈ݊乊䴶߼ᑇϢᑇৄᵓ乊㋻ˈ䴴ッ䴶ᡓय़Ӵ࡯(བ೒3.5.4-2)DŽ㙽ṕᡓফⱘ৞䔺ṕᬃᑻय़࡯ᣝᓣ(3.5.4)䅵ㅫDŽ(3.5.4)ᓣЁhfüü㾦⛞㓱催ᑺ˗www.bzfxw.comLüü㾦⛞㓱ᘏ䅵ㅫ䭓ᑺ˗ftüü㙽ṕᵓ८˗bmüü৞䔺㙶㙶᭄ˈঠ㙶᷅m=1,ϝ㙶੠ಯ㙶m=2˗fWüü㾦⛞㓱ᡫ࠾ᔎᑺ䆒䅵ؐ˗ffüüㅵЁ⏋ޱೳ䕈ᖗফय़ᔎᑺ䆒䅵ؐDŽc3.5.5ᇍ⬅᷅乊ᡓ䕑ⱘ䩶ㅵ⏋ޱೳ᷅(བᬃᡓሟᶊ᷅ǃ䫙♝♝ᶊ᷅)ˈЎ⹂᷅乊ⱘ߮ᑺ੠Ӵ࡯ৃ䴴ˈ䰸᷅乊ᵓᑨ䗖ᔧࡴ८ᑊ๲䆒㙽ṕᵓ੠ࡴࢆ㙟໪ˈᇮᑨ೼⏋ޱೳ⌛☠ᮑᎹЁˈঞᯊ⛞ᇕ乊ᵓᑊ䞛⫼य़⌚᥾ᮑˈҹᳳ䩶ㅵ੠⏋ޱೳ݅ৠফ࡯DŽ೒3.5.5-1⼎㒘ড়᷅᷅༈ᵘ䗴ˈ㽕∖Ϟ䚼㒧ᵘⱘ㥋䕑ሑৃ㛑԰⫼Ѣ៾䴶ᔶᖗ໘DŽ೒3.5.5-2⼎ऩ㙶᷅᷅༈ᵘ䗴DŽ೒3.5.5-1㒘ড়᷅᷅༈标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 www.bzfxw.com ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ16/45೒3.5.6-1ࡴᔎ⦃ᵓⱘ㉏ൟ3.5.6.2ࡴᔎ⦃ᵓ᥻ࠊ៾䴶ᆑᑺCⱘ䅵ㅫDŽ(1)Ęൟǃęൟࡴᔎ⦃ᵓˈᣝϟᓣ䅵ㅫ˖(3.5.6-3)www.bzfxw.com೒3.5.6-2Tൟᮁ䴶ᓣЁ¿üüᢝ࡯N԰⫼ᮍ৥Ϣ䅵ㅫ៾䴶ⱘ།㾦ˈ(É)˗büü᷅㙶ㅵຕখࡴࡴᔎ⦃ᵓᎹ԰ⱘ᳝ᬜᆑᑺ(㾕೒3.5.6-2)˗etüü᷅ㅵຕ८˗füü᷅䩶ㅵ䩶ᴤᔎᑺ䆒䅵ؐ˗݊ԭヺোৠࠡDŽ(2)ċൟ੠ěൟࡴᔎ⦃ᵓˈᣝϟᓣ䅵ㅫ˖(3.5.6-4)ᓣЁ¡üüࡴᔎ⦃ৠᯊফൖⳈঠ৥ᢝ࡯ⱘ↨ؐˈᔧࡴᔎ⦃Ўऩ৥ফᢝᯊˈ¡=0˗标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ17/45Nüüxᮍ৥⬅᳔ϡ߽ᬜᑨ㒘ড়ѻ⫳ⱘ᳔໻ᢝ࡯˗xÖmaxNüüyᮍ৥ϢNৠᯊ԰⫼ⱘᢝ࡯DŽyxÖmax3.5.6.3ࡴᔎ⦃ᵓ䅵ㅫ݀ᓣⱘ䗖⫼㣗ೈDŽ(1)᷅↉ⱘ䕈य़↨˖N/fAİ0.8scscᓣЁNüü᷅㒘ড়ⱘ䕈य़࡯䆒䅵ؐDŽ(2)⦃ᵓᆑᑺB˖0.25İB/Dİ0.75˗(3)⦃ᵓ᥻ࠊ៾䴶ᆑᑺC˖0.1İC/Dİ0.35ˈC/tİ10˗1(4)㡖⚍䚼ߚ᷅↉ⱘㅵຕ८t˖25İD/tİ50ˈ᷅↉䭓ᑺЎ⬅Ϟϟࡴᔎ⦃ᵓㅫ䍋৘ϡᇣѢ᷅㙶ⱘⳈᕘDŽᓣЁヺোৠࠡDŽ3.5.7೼ṕ᷅㡖⚍Ёˈ䩶ṕ㝍ᵓ៪䩶⠯㝓㙟ᵓ໘ⱘㅵຕ࠾ᑨ࡯(㾕೒3.5.7)ˈᑨᣝϟᓣ䖯㸠ᔎᑺ偠ㅫ˖www.bzfxw.com೒3.5.7ㅵຕᑨ࡯䅵ㅫㅔ೒(3.5.7)ᓣЁVüüṕッ㝍ᵓ៪ϔϾ⠯㝓㙟ᵓᡓফⱘ᳔໻࠾࡯˗maxhüü㝍ᵓ៪㙟ᵓ催ᑺ˗1tüü䩶ㅵຕ८ᑺ˗lgüüᇍ᭄ヺো˗rüü䩶ㅵݙञᕘ˗cfüüㅵຕ䩶ᴤᡫ࠾ᔎᑺ䆒䅵ؐ˗Vbüü㾦⛞㓱᠔ܹࣙⱘᆑᑺ˗ǂǂb=t+2hǂǂǂWftüü㝍(㙟)ᵓ८ᑺ˗whüü㾦⛞㓱催ᑺDŽf3.5.8೼㡖⚍ࡴᔎ⦃԰⫼ϟˈऩḍ᷅㙶ᡓ࠾ᔎᑺᣝϟᓣ偠ㅫ˖ǂǂ(3.5.8)ᓣЁfVüü䩶ㅵ⏋ޱೳফ࠾㒘ড়ᔎᑺ䆒䅵ؐDŽscᔧЎঠ㙶᷅䞛⫼ৠϔࡴᔎ⦃ऩջফ࠾ᯊˈᣝ䴴䖥ṕッⱘ᷅㙶ᡓফ80%ⱘ࠾࡯ˈ঺ϔ㙶ᡓফ50%࠾࡯㗗㰥DŽ3.5.9䩶⠯㝓੠ ᣥṕⱘᵘ䗴੠䅵ㅫখ㾕㄀3.5.6ᴵǃ㄀3.5.7ᴵ੠lj䩶㒧ᵘ䆒䅵㾘㣗NJGBJ17ü88ⱘ᳝݇file://C:dlhb2002WJ18.htm2003-06-12 www.bzfxw.com标准分享网www.bzfxw.com免费下载 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ19/45(2)ḍ᥂㒧ᵘᚙމˈгৃ䞛⫼䩶ᵓ៪䩶䵈䫮೎ᓣ᷅㛮ˈ݊ᵘ䗴䆒䅵Ϣ䅵ㅫৠ䩶㒧ᵘDŽᇍඟܹೳЁ䚼ߚⱘ᷅㙶ˈᑨҹ⏋ޱೳࣙ㽚ˈ८ᑺϡᇣѢ50mmˈᑊ催ߎഄ䴶200mmᎺেDŽǂ3.5.12⬅Ѣ䆒䅵ǃࠊ԰ǃ䖤䕧੠ᅝ㺙ⱘ䳔㽕ˈ᷅㙶䩶ㅵ䳔⊓䭓ᑺᮍ৥ᇍ᥹᥹䭓ˈ݊ᐌ⫼ᇍ᥹ᔶᓣབ೒3.5.12DŽ೒3.5.12ᐌ⫼ⱘ޴⾡ᇍ᥹ᔶᓣ4໪ࣙ䩶⏋ޱೳ㒧ᵘwww.bzfxw.com4.1෎ᴀ㾘ᅮ4.1.1ᴀ㾘ᅮЏ㽕䗖⫼Ѣ⬅㒉৥㾦䩶ঞㅡㄟ㒘៤ⱘ໪ࣙ䩶⏋ޱೳ㒧ᵘDŽᖙ㽕ᯊৃ๲䆒䰘ࡴ㒉৥䩶ㄟDŽ4.1.2ḍ᥂ᓎㄥ⠽ⱘ㒧ᵘ⡍⚍੠ᮑᎹᮍ⊩ˈৃ䞛⫼ᅲ㝍ᓣṕ᷅៪ぎ㝍ᓣṕ᷅(ḕᶊṕǃঠ㙶᷅)ϸ⾡㒧ᵘᔶᓣDŽЁᇣൟ⬉ॖЏॖ᠓ⱘḚᶊৃ䞛⫼ᅲ㝍ᓣṕ᷅ˈ໪ջ᷅ৃ䞛⫼ぎ㝍ᓣ᷅DŽ໻ൟ⬉ॖЏॖ᠓Ḛᶊঞ䫙♝♝ᶊৃ䞛⫼ぎ㝍ᓣṕ᷅DŽ4.1.3ᡫ䳛䆒䰆⚜ᑺЎ8ᑺঞҹϞഄ䳛ऎˈ䞛⫼ᅲ㝍ᓣṕ᷅ᯊˈᅰ䗝ᢽ⦄⌛៪㺙䜡ᭈԧᓣ㒧ᵘDŽᑊৃ߽⫼໪ࣙ㾦䩶偼ᶊݐ԰ᮑᎹᡓ䞡偼ᶊˈⳈ᥹ ᣖ῵ᵓˈᡓফᮑᎹ㥋䕑DŽབ䞛⫼ぎ㝍ᓣṕ᷅ˈᅰ䗝ᢽᭈԧ乘ࠊ㒧ᵘˈޣᇥᴚӊⱘᣐ㺙᥹༈DŽ4.1.4໪ࣙ㾦䩶ৃ䞛⫼16Mnǃ16Mnq៪3ো䩶ˈㅡㄟৃ䞛⫼Ę㑻䩶DŽᵘӊⱘ⏋ޱೳᔎᑺㄝ㑻ˈᇍᅲ㝍ᓣṕ᷅ϡᅰԢѢC30˗ᇍぎ㝍ᓣṕ᷅ϡᅰԢѢC40DŽǂ4.2䅵ㅫॳ߭4.2.1໪ࣙ䩶⏋ޱೳᅲ㝍ᓣṕ᷅ⱘ䅵ㅫॳ߭Ϣ䩶ㄟ⏋ޱೳ㒧ᵘ෎ᴀⳌৠˈৃᣝlj⏋ޱೳ㒧ᵘ䆒䅵㾘㣗NJGBJ10ü89ⱘ᳝݇㾘ᅮ䅵ㅫDŽ4.2.2໪ࣙ䩶⏋ޱೳぎ㝍ᓣṕ᷅ⱘ㒧ᵘ䅵ㅫˈৃㅔ࣪៤㒉৥ǃ῾৥ᑇ䴶㒧ᵘԧ㋏DŽ㒉৥㒧ᵘⱘ䅵ㅫϢᅲ㝍ᓣṕ᷅෎ᴀⳌৠˈ῾৥㒧ᵘ䅵ㅫㅔ೒(೒4.2.2)ⱘ෎ᴀ؛ᅮབϟ˖file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ20/45೒4.2.2῾৥㒧ᵘ䅵ㅫㅔ೒4.2.2.1ঠ㙶᷅ⱘ᷅㙶Ϣ㝍ᴚ䞛⫼ᷛޚӊᯊˈৃᣝऩ䎼໮ሖḚᶊ䅵ㅫDŽ4.2.2.2ḕᶊṕᑨ㗗㰥㡖⚍ⱘ㑺ᴳˈᣝḚᶊ䅵ㅫDŽ4.2.2.3ঠ㙶᷅৞䔺ṕҹϞ䚼ߚⱘ䰘ࡴ䩶᭰ᩥˈৃϡ䅵㝍ᴚⱘ԰⫼ˈㅔ࣪៤ϝ㾦ᔶᢝय़ᴚDŽ4.2.2.4Ⳉ᥹ᡓফ৞䔺㥋䕑ⱘ䕙ࡽᴚӊˈৃḍ᥂ঠ㙶᷅ⱘᅲ䰙䖲᥹ᵘ䗴ᣝ䫄᥹៪߮᥹䅵ㅫDŽ4.2.3ぎ㝍ᓣṕ᷅ৃ䞛⫼ㅔᬃ䖲᥹DŽЎњޣᇥഄ䳛԰⫼ϟ㒧ᵘѻ⫳ⱘ∈ᑇԡ⿏ˈৃ⊓ḕᶊᬃᑻ໘๲ࡴ᭰ᴚˈབ೒4.2.3DŽ4.2.4ぎ㝍ᓣṕ᷅ᑨ݋᳝䎇໳ⱘᡫջ⿏߮ᑺˈҹ䆕㒧ᵘⱘᅝܼ੠ℷᐌՓ⫼DŽ೼亢㥋䕑԰⫼ϟ᷅乊ッⳌᇍԡ⿏(´/H)ϡᅰ໻Ѣ1/500˗ሖ䯈Ⳍᇍԡ⿏(√/h)ϡᅰ໻Ѣ1/400DŽℸ໘´/HЎ᷅乊⚍ԡ⿏Ϣ᷅催ᑺ(Ң෎⸔乊䴶㟇᷅乊⚍)П↨˗√/hЎሖ䯈ԡ⿏Ϣሖ䯈催ᑺП↨DŽ೼ഄ䳛԰⫼ϟˈᑨᣝljᓎㄥᡫ䳛䆒䅵㾘㣗NJGBJ11ü89ǃlj⬉࡯䆒ᮑᡫ䳛䆒䅵㾘㣗NJ੠lj⏋ޱೳ㒧ᵘ䆒䅵㾘㣗NJGBJ10www.bzfxw.comü89ⱘ᳝݇㾘ᅮ䖯㸠ᡫ䳛বᔶ偠ㅫDŽ4.2.5ぎ㝍ᓣṕ᷅῾৥㒧ᵘᣝ㄀4.2.2ᴵ㾘ᅮⱘ䅵ㅫㅔ೒䅵ㅫᯊˈᇮᑨ䞛⫼ҹϟ䅵ㅫ؛ᅮ˖4.2.5.1㗗㰥ᴚӊ䕈৥বᔶᇍ㒧ᵘⱘᕅડDŽ4.2.5.2ঠ㙶᷅ᑨ㗗㰥㡖⚍߮ᗻඳⱘᕅડDŽ݊߮ᗻඳ䭓ᑺ(བ೒4.2.5)ৃᣝϟᓣ⹂ᅮ˖೒4.2.3῾৥㒧ᵘ䖲᥹ᔶᓣ标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ21/45೒4.2.5ঠ㙶᷅߮ᗻඳ䭓ᑺᇍѢ᷅㙶ˈd=h/2-h/4(4.2.5-1)cbcᇍѢ㝍ᴚˈd=h/2-h/4(4.2.5-2)bcbᣐ㺙ᓣ㡖⚍ᯊˈd=h/2(4.2.5-3)bcϞϝᓣЁhǃhüüߚ߿㸼⼎᷅㙶ঞ㝍ᴚⱘ៾䴶催ᑺDŽcb4.2.5.3䅵ㅫՓ⫼䰊↉ᵘӊⱘফᔃ߮ᑺᑨ㗗㰥ᴤ᭭ⱘ䴲ᔍᗻǃ㡖⚍ᵒࡼ੠ᵘӊᓔ㺖ㄝ಴㋴ˈৃᣝϟᓣ⹂ᅮ˖ǂǂB=¬EI(4.2.5-4)c0ᓣЁ¬üü߮ᑺᡬޣ㋏᭄ˈᔧᵘӊЎ⦄⌛៪ᭈԧ乘ࠊᯊপ0.85ˈᔧᵘӊЎ乘ࠊᣐ㺙ᯊপ0.80˗Eüü⏋ޱೳᔍᗻ῵䞣˗cIüüᵘӊᤶㅫ៾䴶ⱘᛃᗻⶽDŽ04.3ᡓ䕑࡯䅵ㅫ4.3.1໪ࣙ䩶⏋⏋ೳফᔃǃ䕈य़ǃأय़ᵘӊⱘℷ៾䴶ঞ᭰៾䴶ᡓ䕑࡯ৃᣝlj⏋ޱೳ㒧ᵘ䆒䅵㾘㣗NJGBJ10ü89ⱘ᳝݇㾘ᅮ䖯㸠䅵ㅫDŽ䅵ㅫЁ䩶ㄟড়࡯ⱘԡ㕂প㾦䩶䞡ᖗԡ㕂(೒4.3.1)DŽwww.bzfxw.com೒4.3.1៾䴶䅵ㅫㅔ೒4.3.2ᅲ㝍ᓣ⦄⌛ṕ᷅ⱘ㾦䩶偼ᶊ೼ᮑᎹ䖛⿟Ⳉ᥹ᡓফ῵ᵓǃ㞾䞡ঞᮑᎹ㥋䕑ㄝˈᑨḍ᥂lj䩶㒧ᵘ䆒䅵㾘㣗NJGBJ17ü88偠ㅫᮑᎹ䰊↉㒧ᵘⱘᡓ䕑࡯DŽ4.3.3໪ࣙ䩶⏋ޱೳぎ㝍ᓣṕ᷅ᴚӊⱘ䅵ㅫ䭓ᑺ˖4.3.3.1ঠ㙶᷅ⱘ᷅㙶䅵ㅫ䭓ᑺLৃḍ᥂ὐሖᅲ䰙ⱘᬃᡓᚙމᣝ㸼4.3.3ᶹ⫼DŽ04.3.3.2ḕᶊṕফय़ᴚӊⱘ䅵ㅫ䭓ᑺ(L)ৃᣝϟ߫㾘ᅮ䞛⫼DŽ0㸼4.3.3ঠ㙶᷅㙶ᴚ䅵ㅫ䭓ᑺL0file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ22/45ᑩሖ0.7h1.60h1.40h1.27h1.20h1.16h1.13h݊Ҫ1.0h2.20h1.80h1.53h1.40h1.32h1.27hሖ⊼˖₧EǃEü㝍ᴚঞ㙶ᴚ⏋ޱೳⱘᔍᗻ῵䞣˗cbcc←IǃIü㝍ᴚঞ㙶ᴚ៾䴶ᛃᗻⶽDŽbcϞᓺᴚ˖ḕᶊᑇ䴶ݙL=L0ḕᶊᑇ䴶໪ৃপᑇ䴶໪ᅲ䰙ᬃᩥ⚍П䯈ⱘ䎱⾏DŽ㝍ᴚ˖ḕᶊᑇ䴶ݙL=0.8L0ḕᶊᑇ䴶໪L=L0ᓣЁLüüᣝᴚӊ䕈㒓Ѹ⚍П䯈䎱⾏প⫼ⱘϞᓺ៪㝍ᴚ䭓ᑺDŽ4.3.4໪ࣙ䩶⏋ޱೳṕッ㾦䩶ⱘ䫮೎䞛⫼߮ᗻ䫮೎ӊ(೒4.3.4)ˈৃᣝϟᓣ䅵ㅫ˖(4.3.4)ᓣЁbǃhüü䫮ӊ1ⱘᆑᑺ੠催ᑺˈ䫮ӊ2ⱘ䖍䭓পbǃhⱘ䕗໻ؐ˗bbwww.bzfxw.combbfüü⏋ޱೳᡫय़ᔎᑺ䆒䅵ؐ˗cVüü䫮೎ӊᡓফⱘ࠾࡯䆒䅵ؐˈेṕ໪ࣙ㾦䩶ᡓফⱘᢝ࡯ˈǂ݊Ё¬üü䍙ᔎ㋏᭄ˈᡫ䳛䆒䰆⚜ᑺЎ8ᑺঞҹϞᯊপ¬=1.25ˈ7ᑺঞҹϟᯊপ¬=1.10˗Aǃfüüṕッ㾦䩶ⱘ៾䴶⿃੠ᔎᑺ䆒䅵ؐDŽsy䫮೎ӊⱘ८ᑺঞ䖲᥹⛞㓱ᑨ䆕ṕッ㾦䩶㛑ܙߚথ᣹԰⫼DŽ೒4.3.4߮ᗻ䫮೎4.3.5໪ࣙ䩶⏋ޱೳṕⱘϟ䚼㾦䩶ᡓফ䲚Ё৞䞡ᯊˈ䰘ࡴㅡㄟⱘᘏ䴶⿃ৃᣝϟᓣ䅵ㅫ˖ǂ(4.3.5-1)䰘ࡴㅡㄟ(A)ߚᏗⱘ䭓ᑺ㣗ೈS(೒4.3.5)ৃᣝϟᓣ⹂ᅮ˖svh标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ23/45(4.3.5-2)ᓣЁFüüṕϟ䚼ⱘ৞䞡䆒䅵ؐ˗fǂǃfüüߚ߿Ў䰘ࡴㅡㄟঞ㾦䩶ⱘᡫᢝᔎᑺ䆒䅵ؐ˗syayAüüϔϾ៾䴶Ϟ䰘ࡴㅡㄟⱘ៾䴶䴶⿃˗svWüüϔϾ៾䴶Ϟϟ䚼㾦䩶ⱘ៾䴶ลᗻᢉᡫⶽˈপϟ䚼㾦䩶៾䴶∈ᑇ䕈㒓ⱘ᳔ᇣᔍᗻᢉᡫⶽⱘs1.5סDŽ೒4.3.5ṕⱘ䰘ࡴㅡㄟ4.3.6໪ࣙ䩶⏋ޱೳঠ㙶᷅㡖⚍Ḍᖗऎⱘ៾䴶ᡫ䳛偠ㅫϢ䩶ㄟ⏋ޱೳḚᶊ䖍㡖⚍෎ᴀⳌৠˈৃᣝ᳝݇㾘ᅮ䆒䅵DŽᔧঠ㙶᷅ⱘ㝍ᴚϢ᷅㙶䞛⫼ᣐ㺙ᓣ᥹༈ᯊˈ䖲᥹ᵓⱘᔎᑺৃᣝϟᓣ䅵ㅫ˖ǂ(4.3.6)ᓣЁ³üü䖲᥹ᵓⱘᡬㅫᑨ࡯˗y³ǃ´üü䖲᥹ᵓ೼䆒䅵㥋䕑԰⫼ϟⱘ⊩৥ᑨ࡯੠࠾ᑨ࡯˗xfüü䖲᥹ᵓⱘᔎᑺ䆒䅵ؐDŽyǂwww.bzfxw.com4.4ᵘ䗴㽕∖4.4.1໪ࣙ䩶⏋ޱೳॖ᠓㒧ᵘⱘԌ㓽㓱䯈䎱ৃᣝ䩶ㄟ⏋ޱೳ㒧ᵘⱘ᳝݇㾘ᅮ䞛⫼DŽ4.4.2໪ࣙ䩶⏋ޱೳᵘӊⱘ៾䴶ሎᇌᅰᷛޚ࣪ˈぎ㝍ᓣṕ᷅ᷛޚᴚӊⱘ៾䴶ሎᇌৃ䞛⫼400mmÜ400mmǃ400mmÜ600mmǃ600mmÜ600mmϝ⾡㾘ḐˈҹѢᎹॖ࣪⫳ѻDŽ4.4.3ᵘӊ㾦䩶ⱘ໪㸼䴶ৃϢ⏋ޱೳ㸼䴶পᑇˈㅡㄟⱘ⏋ޱೳᡸሖ८ᑺϡᅰᇣѢ12mm(೒4.4.3)DŽ೒4.4.3ᴚӊᵘ䗴4.4.4ㅡㄟⳈᕘϡᅰᇣѢ10mmˈᇍѢ⃵ṕˈ݊ⳈᕘϡᅰᇣѢ8mmDŽぎ㝍ᓣṕ᷅ᴚӊⱘㅡㄟ䯈䎱ϡᅰ໻Ѣ150mmˈᡫ䳛䆒䰆ᯊϡᅰ໻Ѣ100mmDŽᅲ㝍ᓣṕ᷅ⱘㅡㄟ䯈䎱ϡᅰ໻Ѣ200mmˈ݊ᵘ䗴㽕∖ৃখ✻lj⏋ޱೳ㒧ᵘ䆒䅵㾘㣗NJGBJ10ü89ⱘ᳝݇㾘ᅮDŽ4.4.5㒉৥㾦䩶ⱘ८ᑺϡᅰᇣѢ8mmDŽᅲ㝍ᓣṕ᷅㒉৥䜡ㄟⱘᵘ䗴㽕∖ৃখ✻lj⏋ޱೳ㒧ᵘ䆒䅵㾘㣗NJGBJ10ü89ⱘ᳝݇㾘ᅮDŽ4.4.6ㅡㄟϢ㾦䩶ৃ䞛⫼ϧ⫼⛞ᴎ⛞᥹ˈᔧ䞛⫼᠟Ꮉ⛞᥹ᯊᑨ䞛⫼ᨁ᥹ঠ䴶⛞ˈ⛞᥹䭓ᑺϡᇣѢϝסㅡfile://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ24/45ㄟⳈᕘDŽ೒4.4.7䩶⠯㝓䖲᥹ᔧ㾦䩶㙶८ᇣѢ12mmᯊˈㅡㄟϢ㾦䩶ⱘᨁ᥹⛞ৃ䞛⫼䩶ㄟ๽༈ǃൿ⛞ㄝ᥾ᮑˈҹ⒵䎇ㅡㄟ᳔ᇣᡸሖ८ᑺⱘ㽕∖DŽ4.4.7೼໪ࣙ䩶ᵘӊϞ⛞᥹䩶⠯㝓៪ᬃᶊᯊˈᑨ೼ջ䴶ⱘ㾦䩶Ϟࡴ䆒䖲᥹䩶ᵓˈ݊ᆑᑺϡᅰᇣѢ80mmˈ८ᑺϡᅰᇣѢ6mmˈ䖲᥹⛞㓱ᑨϢ䖲᥹䩶ᵓㄝᔎᑺ(೒4.4.7)DŽ4.4.8໪ࣙ䩶⏋ޱೳᅲ㝍ṕ᷅ⱘᡫ䳛ᵘ䗴㽕∖Ϣ䩶ㄟ⏋ޱೳ㒧ᵘ෎ᴀⳌৠˈᣝ✻lj⏋ޱೳ㒧ᵘ䆒䅵㾘㣗NJGBJ10ü89ⱘ᳝݇㾘ᅮ䆒䅵ˈ݊Ёṕ᷅᥹༈ⱘᡫ䳛᥾ᮑབϟ˖4.4.8.1Ḛᶊ῾ṕᅰ䆒㕂೼᷅㾦䩶П䯈ˈ᷅㾦䩶ݙջ䎱῾ṕ䖥䖍ϡᅰᇣѢ20mm(೒4.4.8)DŽ4.4.8.2ᔧḚᶊ䞛⫼㺙䜡ᭈԧᓣᮍḜᯊˈ乘ࠊ῾ṕϞ䚼ᑨ䆒঴⌛ሖˈ䆕῾ṕǃὐᵓϢ᷅ⱘᭈԧᗻDŽ4.4.8.3ᔧᡫ䳛䆒䰆⚜ᑺЎ8ᑺঞҹϞᯊˈṕ᷅㡖⚍䰸ṕッᣝ㄀4.3.4ᴵ䆒㕂߮ᗻ䫮೎ӊ໪ˈᇮᑨ⊓᷅䖍ṕᑩ䆒䰘ࡴ䫮೎ӊˈᑊ䗮䖛ᢝㄟ៪ᢝᵓᇚ∈ᑇ࡯Ӵ䗦㒭᷅ϸջⱘ㾦䩶ˈབ೒4.4.8DŽwww.bzfxw.com೒4.4.8ṕ᷅㡖⚍ᵘ䗴4.4.9㗗㰥ഄ䳛԰⫼㒘ড়ᯊˈঠ㙶᷅ⱘ᷅㙶䕈य़↨䰤ؐৃᣝlj⏋ޱೳ㒧ᵘ䆒䅵㾘㣗NJGBJ10ü89ЁḚᶊ᷅ⱘ䕈य़↨䰤ؐ๲ࡴ0.05(े㾘㣗ؐ+0.05)ˈԚϡᕫ໻Ѣ0.90DŽ᷅㙶Ёܼ䚼㾦䩶ⱘ᳔ᇣ䜡ㄟⱒߚ⥛ϡᅰᇣѢ1.5%ǂDŽ4.4.10໪ࣙ䩶⏋ޱೳঠ㙶᷅ⱘ᷅㙶Ϣ㝍ᴚ䞛⫼ᣐ㺙᥹༈(㾕೒4.4.10)ᯊˈᡫ䳛ᵘ䗴㽕∖བϟ˖标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ25/45೒4.4.10ᣐ㺙ᓣ᥹༈ᵘ䗴4.4.10.1䖲᥹ᵓⱘ䆒䅵ᑨ⒵䎇ᡫ䳛ࡴᔎ㋏᭄ⱘ㽕∖ˈ݊ᡫ䳛ࡴᔎ㋏᭄nৃᣝϟᓣ䅵ㅫ˖(4.4.10)ᓣЁküü㝍ᴚᡫᔃᔎᑺ᥻ࠊ៾䴶ⱘᵕ䰤ᔃⶽϢ໪㥋䕑ѻ⫳ⱘᔃⶽП↨˗1küü䖲᥹ᵓ䱭㓱ԡ㕂ᵕ䰤ᔃⶽϢ໪㥋䕑ѻ⫳ⱘᔃⶽП↨DŽ2ᔧᡫ䳛䆒䰆⚜ᑺЎ7ᑺঞҹϟᯊˈপn=1.1˗ᔧᡫ䳛䆒䰆⚜ᑺЎ8ᑺঞҹϞᯊˈপn=1.25DŽ4.4.10.2䖲᥹ᵓᑨࡴᎹ߼ܝˈ䙓ܡሔ䚼㔎䱋ঞᤳӸDŽ5㒘ড়ṕ㒧ᵘ5.1෎ᴀ㾘ᅮ5.1.1ᴀ㾘ᅮা䗖⫼ѢϡⳈ᥹ᡓফࡼ࡯㥋䕑੠ԡѢᅸݙǃ⬅⏋ޱೳ㗐ᵓϢ䩶ṕ䗮䖛䖲᥹ӊ㒘៤ⱘ㒘ড়ṕDŽ5.1.2㒘ড়ṕ⏋ޱೳ㗐ᵓ᳝ᬜᆑᑺb(೒5.1.2)ᣝϟᓣ䅵ㅫ˖eb=b+b+b(5.1.2)e012ᓣЁbüüᵓᠬ乊䚼ᆑᑺˈᔧᵓᠬؒ㾦¿˘45Éᯊˈᣝ¿=45É䅵ㅫᵓᠬ乊䚼ᆑᑺˈᔧ᮴ᵓᠬᯊˈ߭0প䩶ṕϞ㗐㓬ⱘᆑᑺ˗bǃbüüṕ໪ջ੠ݙջⱘ㗐ᵓ䅵ㅫᆑᑺˈ৘পṕ䎼ᑺlⱘ1/6੠㗐ᵓ८ᑺhⱘ6סЁⱘ䕗ᇣؐDŽℸ໪ˈ12c1bᇮϡᑨ䍙ߎ㗐ᵓᅲ䰙໪ԌᆑᑺS,bϡᑨ䍙䖛Ⳍ䚏ṕᵓᠬ䯈ޔ䎱Sⱘ1/2DŽ1120ᔧ䞛⫼य़ൟ䩶ᵓ԰⏋ޱೳᑩ῵ᯊˈ㗐ᵓ८ᑺhㄝѢᵓⱘᘏ८ᑺޣএय़ൟ䩶ᵓⱘ㙟催DŽc1www.bzfxw.com೒5.1.2⏋ޱೳ㗐ᵓⱘ᳝ᬜᆑᑺ5.1.3㒘ড়ṕⱘ԰⫼ᬜᑨߚᵤᑨᣝᔍᗻ⧚䆎䖯㸠DŽℸᯊˈ䖲㓁㒘ড়ṕЎব៾䴶ᴚӊˈ݊߮ᑺ⹂ᅮⱘॳ߭ᰃ˖(1)೼䎱Ё䯈ᬃᑻ0.15l(lЎṕ↉ⱘ䎼ᑺ)ⱘ㣗ೈݙˈϡ䅵಴ফᢝᓔ㺖ⱘ⏋ޱೳ㗐ᵓᇍ߮ᑺⱘᕅડˈԚᑨ䅵ܹ㗐ᵓ᳝ᬜᆑᑺbݙ䜡㕂ⱘ䋳ᔃⶽ䩶ㄟ˗e(2)೼݊ԭⱘ䎼Ёऎ↉ˈᑨᇚফय़⏋ޱೳ㗐ᵓ᳝ᬜᆑᑺbᤶㅫ៤Ϣ䩶ᴤㄝᬜⱘᤶㅫ៾䴶DŽeϞ䗄ϸ㉏⫼ҹ䅵ㅫ߮ᑺⱘᤶㅫ៾䴶㾕೒5.1.3DŽ೒5.1.3ᤶㅫ៾䴶file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ26/45(a)⏋ޱೳ㗐ᵓᓔ㺖ऎⱘᤶㅫ៾䴶˗(b)ℷᔃⶽऎ↉ⱘᤶㅫ៾䴶೒5.1.3ЁbЎᤶㅫ៾䴶ᆑᑺˈᣝҹϟ݀ᓣ䅵ㅫˈ䅵ㅫᯊϡ䅵ᵓᠬⱘᕅડ˖eqৃব㥋䕑԰⫼ᯊˈbÖs=b/¿(5.1.3-1)eqeE∌Й㥋䕑԰⫼ᯊˈbÖl=b/2¿(5.1.3-2)eqeEᓣЁbüüϡ㗗㰥⏋ޱೳᕤবⱘᤶㅫ៾䴶ᆑᑺ˗eq.sbüü㗗㰥⏋ޱೳᕤবⱘᤶㅫ៾䴶ᆑᑺ˗eq.1¿üü䩶ṕ䩶ᴤⱘᔍᗻ῵䞣EϢ⏋ޱೳⱘᔍᗻ῵䞣Eⱘ↨ؐˈ¿=E/EDŽEscEsc5.1.4ᣝᡓ䕑࡯ᵕ䰤⢊ᗕ䅵ㅫ㒘ড়ṕ៾䴶ᯊˈᅰᣝ㗗㰥ܼ៾䴶ลᗻথሩⱘㅔ࣪ลᗻ⧚䆎䖯㸠DŽℸᯊˈᑨ⒵䎇ҹϟϸϾᴵӊПϔ˖(1)ลᗻЁ੠䕈೼⏋ޱೳ㗐ᵓݙ˗(2)䩶ṕ៾䴶Ўヺড়㸼5.1.4㽕∖ⱘᆚᅲ៾䴶DŽ㸼5.1.4ᆚᅲ៾䴶ᵓӊⱘᆑ८↨៾䴶ൟᓣ㗐㓬㝍ᵓwww.bzfxw.com⊼˖₧Aü䋳ᔃⶽ៾䴶Ё㒉৥ফᢝ䩶ㄟ៾䴶䴶⿃˗r←fü䩶ㄟᡫᢝᔎᑺ䆒䅵ؐˈ㾕㄀5.1.5ᴵ㾘ᅮ˗r↑Aü䩶ṕ៾䴶䴶⿃˗ĺfü䩶ṕ䩶ᴤⱘᡫᢝǃᡫय़ᔎᑺ䆒䅵ؐˈ㾕㄀5.1.5ᴵ㾘ᅮ˗Ļfü䩶ṕ䩶ᴤⱘሜ᳡ᔎᑺDŽy5.1.5ᣝ㗗㰥ܼ៾䴶ลᗻথሩ䖯㸠㒘ড়ṕ៾䴶ᡓ䕑࡯䅵ㅫᯊˈ䩶ṕঞ䖲㓁ṕ᠔䜡䋳ᔃⶽ䩶ㄟⱘ䩶ᴤᔎᑺ䆒䅵ؐˈᣝ⦄㸠lj䩶㒧ᵘ䆒䅵㾘㣗NJGBJ17ü88ঞlj⏋ޱೳ㒧ᵘ䆒䅵㾘㣗NJGBJ10ü89ЁⳌᑨ䩶ᴤᔎᑺ䆒䅵ؐЬҹᡬޣ㋏᭄0.9প⫼DŽ5.1.6㒘ড়ṕᣝℷᐌՓ⫼ᵕ䰤⢊ᗕ偠ㅫᯊˈᑨᣝᔍᗻ⧚䆎䖯㸠DŽᇍѢ䖲㓁㒘ড়ṕ䰸偠ㅫṕⱘᣴᑺ໪ˈᇮᑨ偠ㅫ䋳ᔃⶽऎ↉⏋ޱೳ᳔໻㺖㓱ᆑᑺWDŽmax䅵ㅫᣴᑺᯊˈᑨߚ߿ᣝⷁᳳᬜᑨ㒘ড়ঞ䭓ᳳᬜᑨ㒘ড়䅵ㅫˈҹ݊Ё䕗໻ؐ԰ЎẔ偠ձ᥂DŽࠡ㗙݊㗐ᵓⱘᤶㅫᆑᑺᣝ݀ᓣ(5.1.3-1)䅵ㅫˈৢ㗙ᣝ݀ᓣ(5.1.3-2)䅵ㅫDŽ䅵ㅫ⏋ޱೳ᳔໻㺖㓱ᆑᑺᯊˈᣝⷁᳳᬜᑨ㒘ড়䖯㸠DŽㅫᕫⱘᣴᑺؐঞ᳔໻㺖㓱ᆑᑺˈߚ߿ϡᕫ໻Ѣ⦄㸠lj䩶㒧ᵘ䆒䅵㾘㣗NJǂGBJ17ü88ঞlj⏋ޱೳ㒧ᵘ䆒䅵㾘㣗NJGBJ10ü89᠔㾘ᅮⱘ䰤ؐDŽऩ䎼ব៾䴶ṕবԡ䅵ㅫ݀ᓣ㾕䰘ᔩBDŽ5.1.7೼㒘ড়ṕᮑᎹ䰊↉ˈ㢹䩶ṕϟ᮴ЈᯊᮑᎹᬃᩥˈὐሖ㞾䞡ঞᮑᎹ㥋䕑⬅䩶ṕऩ⣀ᡓফˈ߭ᣝ⦄㸠lj䩶㒧ᵘ䆒䅵㾘㣗NJGBJ17ü88䅵ㅫ䩶ṕⱘᑨ࡯ǃᣴᑺঞ〇ᅮᗻDŽᮑᎹ䰊↉ᅠ៤ৢˈ㓁ࡴⱘ㥋䕑԰⫼⬅标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ27/45㒘ড়៾䴶ᡓফˈ⬅ℸѻ⫳ⱘᣴᑺᑨϢᮑᎹ䰊↉䩶ṕᣴᑺ঴ࡴDŽ5.1.8㒘ড়ṕℷᔃⶽऎ↉ҹঞ⫼Ꮉᄫൟ䩶៪ヺড়㸼5.1.4㾘ᅮ⫼䩶ᵓᵘ៤ᆚᅲᗻ៾䴶㒘ড়ṕⱘ䋳ᔃⶽऎ↉ˈৃϡ㗗㰥ᘏԧ〇ᅮᬜᑨDŽ䩶ṕⱘሔ䚼〇ᅮᑨ⒵䎇⦄㸠lj䩶㒧ᵘ䆒䅵㾘㣗NJGBJ17ü88ⱘ㽕∖DŽ5.1.9㒘ড়ṕ៾䴶催ᑺhϢ䎼ᑺlП↨ϡᇣѢ1/16ᯊˈϔ㠀ৃϡ䖯㸠বᔶ偠ㅫDŽ5.2ᴤ᭭5.2.1㒘ড়ṕЁ䩶ṕঞ࠾࡯䖲᥹ӊᐌ⫼ⱘ䩶ᴤЎ3ো䩶ǃ16Mn䩶ঞ16Mnq䩶DŽ5.2.2㒘ড়ṕЁᐌ⫼ⱘ䩶ㄟЎĘ㑻䩶੠ę㑻䩶˗ᐌ⫼ⱘ⏋ޱೳᔎᑺㄝ㑻ЎC20ǃC25ǃC30ǂDŽ5.3㒘ড়ṕⱘ䅵ㅫ5.3.1㒘ড়ṕⱘᡫᔃᡓ䕑࡯䅵ㅫˈᣝϟ߫݀ᓣ䖯㸠DŽ5.3.1.1ℷᔃⶽ԰⫼ᯊˈ᳝ϟ߫ϸ⾡ᚙމDŽ(1)ลᗻЁ੠䕈೼⏋ޱೳ㗐ᵓݙ(೒5.3.1-1)ˈेAfİbhfᯊ˖ec1cm೒5.3.1-1ลᗻЁ੠䕈೼⏋ޱೳ㗐ᵓݙᯊⱘ㒘ড়ṕ៾䴶ঞᑨ࡯೒ᔶ(5.3.1-1)(5.3.1-2)ᓣЁMüüܼ䚼㥋䕑ѻ⫳ⱘᔃⶽ㒘ড়ؐ˗xüü㒘ড়ṕ៾䴶ลᗻЁ੠䕈㟇⏋ޱೳ㗐ᵓ乊䴶ⱘ䎱⾏˗www.bzfxw.comfüü⏋ޱೳᔃ᳆ᡫय़ᔎᑺ䆒䅵ؐ˗cmyüü䩶ṕ៾䴶ᑨ࡯ড়࡯㟇⏋ޱೳফय़ऎ៾䴶ᑨ࡯ড়࡯䯈ⱘ䎱⾏˗Aüü䩶ṕ៾䴶䴶⿃˗füüลᗻ䆒䅵᠔䞛⫼ⱘ䩶ᴤᔎᑺ䆒䅵ؐˈᣝ㄀5.1.5ᴵপ⫼DŽ(2)ลᗻЁ੠䕈೼䩶ṕ៾䴶ݙ(೒5.3.1-2)ˈेAf˚bhfᯊ˖ec1cm೒5.3.1-2ลᗻЁ੠䕈೼䩶ṕ៾䴶ݙᯊⱘ㒘ড়ṕ៾䴶ঞᑨ࡯೒ᔶ(5.3.1-3)(5.3.1-4)ᓣЁAüü䩶ṕফय़ऎ៾䴶䴶⿃˗cyüü䩶ṕফᢝऎ៾䴶ᑨ࡯ড়࡯㟇⏋ޱೳ㗐ᵓ៾䴶ᑨ࡯ড়࡯䯈ⱘ䎱⾏˗1yüü䩶ṕফᢝऎ៾䴶ᑨ࡯ড়࡯㟇䩶ṕফय़ऎ៾䴶ᑨ࡯ড়࡯䯈ⱘ䎱⾏DŽ25.3.1.2䋳ᔃⶽ԰⫼ᯊ(೒5.3.1-3)ˈfile://C:dlhb2002WJ18.htm2003-06-12 www.bzfxw.com标准分享网www.bzfxw.com免费下载 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ29/45(5.3.4-3)ᓣЁxüü⏋ޱೳ㗐ᵓফय़ऎ催ᑺ˗nüü೼᠔䅵ㅫ៾䴶ᎺǃেϸϾ࠾䎼ऎݙˈ᭄䞣䕗ᇥⱘ䖲᥹ӊⱘϾ᭄˗rNcüü↣Ͼ࠾࡯䖲᥹ӊⱘ㒉৥ফ࠾ᡓ䕑࡯ˈᣝ㄀5.4.1ᴵঞ㄀5.4.2ᴵ䅵ㅫ˗VMüü䚼ߚᡫ࠾䖲᥹ᯊ៾䴶ᡫᔃᡓ䕑࡯˗u.rAüü䩶ṕফय़ऎ䴶⿃˗cyüü䩶ṕফय़ऎ䞡ᖗ㟇䩶ṕফᢝऎ䞡ᖗⱘ䯈䎱˗1yüü⏋ޱೳ㗐ᵓফय़ऎ䞡ᖗ㟇䩶ṕফᢝऎ䞡ᖗⱘ䯈䎱DŽ2䚼ߚᡫ࠾䖲᥹㒘ড়ṕ䖲᥹ӊⱘᅲ䜡Ͼ᭄nϡᕫᇥѢᅠܼᡫ࠾䖲᥹ⱘ䖲᥹ӊ᭄䞣nⱘ50%ˈϨᅰ⫼Ѣrf䎼ᑺϡ䍙䖛20mⱘㄝ៾䴶㒘ড়ṕDŽ5.3.5䖲㓁㒘ড়ṕ䋳ᔃⶽऎ↉ݙ᳔໻㺖㓱ᆑᑺᣝϟ߫݀ᓣ䅵ㅫ˖(5.3.5-1)ǂ(5.3.5-2)ᓣЁvüüϢ㒉৥ফᢝ䩶ㄟ㸼䴶⡍ᕕ᳝݇ⱘ㋏᭄ˈবᔶ䩶ㄟv=0.7ˈܝ䴶䩶ㄟv=1.0˗¸üü㺖㓱䯈㒉৥ফᢝ䩶ㄟᑨবϡഛࣔ㋏᭄ˈᣝᓣ(5.3.5-2)䅵ㅫDŽᔧ¸˘0.3ᯊˈপ¸=0.3ˈᔧ¸˚1.0ᯊˈপ¸=1.0˗cüü㒉৥䩶ㄟᡸሖ८ᑺ(mm)ˈᔧc˘20ᯊপc=20ˈᔧc˚50ᯊপc=50˗düü㒉৥䩶ㄟⳈᕘ(mm);ǂᔧ⫼ϡৠⳈᕘⱘ䩶ㄟᯊd=4A/Sˈ݊ЁSЎ䩶ㄟ៾䴶ⱘᘏ਼䭓˗r²üüᣝ᳝ᬜ⏋ޱೳ䴶⿃䅵ㅫⱘ㒉৥䩶ㄟ䜡ㄟ⥛ˈे²=A/Aˈ݊ЁA=bhˈᔧ²İ0.008ᯊˈereeec1eপ²=0.008˗www.bzfxw.comefüü⏋ޱೳᡫᢝᔎᑺᷛޚؐ˗tk³üüᷛޚ㥋䕑԰⫼ϟᣝ㥋䕑ⷁᳳᬜᑨ㒘ড়䅵ㅫⱘ䋳ᔃⶽ䩶ㄟ⊩৥ᑨ࡯ˈ⬅ᓣ(5.3.5-3)䅵ㅫ(೒r5.3.5)˗೒5.3.5⬅䋳ᔃⶽѻ⫳ⱘ㒉ㄟᢝᑨ࡯(5.3.5-3)ᓣЁMüüᷛޚ㥋䕑ѻ⫳ⱘ៾䴶䋳ᔃⶽ㒘ড়˗kyüü䩶ㄟ៾䴶䞡ᖗ㟇䩶៾䴶Ё੠䕈ⱘ䎱⾏˗rIüü⬅㒉৥䩶ㄟϢ䩶ṕᔶ៤ⱘ䩶៾䴶ⱘᛃᗻⶽDŽ5.3.6䚼ߚᡫ࠾䖲᥹ㅔᬃ㒘ড়ṕⱘᣴᑺˈৃḍ᥂㄀5.1.6ᴵ㾘ᅮˈᣝϟ߫݀ᓣ䅵ㅫ˖file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ30/45(5.3.6)ᓣЁ√üüᅠܼᡫ࠾䖲᥹㒘ড়ṕⱘᣴᑺ˗f√üü䩶ṕⱘᣴᑺ˗srüü㾕㄀5.3.4ᴵ˗nüüᅠܼᡫ࠾䖲᥹ӊϾ᭄ˈᣝ㄀5.4.3ᴵ∖ᕫDŽf5.4ᡫ࠾䖲᥹ӊⱘ䅵ㅫ5.4.1㒘ড়ṕⱘᡫ࠾䖲᥹ӊᅰ䞛⫼ᷧ䩝ˈгৃ䞛⫼ῑ䩶ǃᔃㄟ៪᳝ৃ䴴䆎䆕ⱘ݊Ҫ㉏ൟ䖲᥹ӊDŽᷧ䩝ǃῑ䩶ǃᔃㄟ䖲᥹ӊⱘ䆒㕂ᮍ৥㾕೒5.4.1˗݊ᡫ࠾䆒䅵ᡓ䕑࡯⬅ϟ߫݀ᓣ⹂ᅮ˖೒5.4.1䖲᥹ӊⱘ໪ᔶঞ䆒㕂ᮍ৥(a)ᷧ䩝䖲᥹ӊ˗(b)ῑ䩶䖲᥹ӊ˗(c)ᔃㄟ䖲᥹ӊ(1)䩝䭓Ϣ䩝ᴚⳈᕘП↨໻ѢㄝѢ4ⱘᷧ䩝䖲᥹ӊ˖(5.4.1-1)ᓣЁEüü⏋ޱೳⱘᔍᗻ῵䞣˗cfüü⏋ޱೳᡫय़ᔎᑺ䆒䅵ؐ˗cAüüᷧ䩝ᴚ䑿៾䴶䴶⿃˗swww.bzfxw.comfrüüᷧ䩝ⱘᡫᢝᔎᑺ䆒䅵ؐDŽt(2)ῑ䩶䖲᥹ӊ(5.4.1-2)ᓣЁtüüῑ䩶㗐㓬ⱘᑇഛ८ᑺ˗tüüῑ䩶㝍ᵓⱘ८ᑺ˗wlüüῑ䩶ⱘ䭓ᑺDŽcῑ䩶䖲᥹ӊ䗮䖛㙶ᇪঞ㙶㚠ϸᴵ䗮䭓㾦⛞㓱Ϣ䩶ṕ䖲᥹DŽᡓফ䆹䖲᥹ӊⱘᡫ࠾ᡓ䕑࡯ЎNcDŽᣝ⦄V㸠lj䩶㒧ᵘ䆒䅵㾘㣗NJGBJ17ü88䖯㸠⛞㓱ᡫ࠾ᡓ䕑࡯偠ㅫDŽ(3)ᔃㄟ䖲᥹ӊ(5.4.1-3)ᓣЁAüüᔃㄟⱘ៾䴶䴶⿃˗byfüü䩶ㄟⱘᡫᢝᔎᑺ䆒䅵ؐDŽyᔧ䖲᥹ӊԡѢ 㞖㒘ড়ṕ៪䖲㓁㒘ড়ṕ䋳ᔃⶽऎ↉ݙˈ݊ᡫ࠾ᡓ䕑࡯ᑨЬҹᡬޣ㋏᭄¡ৢপ⫼DŽ 㞖ṕঞ䖲㓁ṕ¡ؐߚ߿ㄝѢ0.8ঞ0.93DŽ5.4.2ᇍѢ⫼य़ൟ䩶ᵓ԰⏋ޱೳ㗐ᵓᑩ῵ⱘ㒘ড়ṕˈ݊ᷧ䩝䖲᥹ӊⱘᡫ࠾ᡓ䕑࡯ᑨߚ߿ᣝҹϟϸ⾡ᚙމќҹ䰡Ԣ˖(1)ᔧय़ൟ䩶ᵓ㙟ᑇ㸠Ѣ䩶ṕᏗ㕂(೒5.4.2ˈa)ϨW/e˘1.5ᯊˈᣝ݀ᓣ(5.4.1-1)ㅫᕫⱘNcˈᑨЬҹᡬvޣ㋏᭄¡ৢপ⫼DŽ¡ؐᣝϟᓣ䅵ㅫ˖标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ31/45(5.4.2-1)ᓣЁWüü⏋ޱೳߌ㙟ⱘᑇഛᆑᑺˈᔧ㙟ⱘϞ䚼ᆑᑺᇣѢϟ䚼ᆑᑺᯊ(೒5.4.2ˈc)ˈᑇഛᆑᑺᣝϞ䚼ᆑᑺ䅵˗eüü⏋ޱೳߌ㙟催ᑺ˗hüüᷧ䩝催ᑺDŽd೒5.4.2⫼य़ൟ䩶ᵓ԰㗐ᵓᑩ῵ⱘ㒘ড়ṕ(a)㙟Ϣ䩶ṕᑇ㸠ᯊⱘ㒘ড়ṕ៾䴶˗(b)㙟Ϣ䩶ṕൖⳈᯊⱘ㒘ড়ṕ៾䴶˗(c)य़ൟ䩶ᵓ԰ᑩ῵ⱘὐᵓࠪ䴶(2)ᔧय़ൟ䩶ᵓ㙟ൖⳈѢ䩶ṕᏗ㕂ᯊ(೒5.4.2ˈb)ˈᷧ䩝ᡫ࠾䖲᥹ӊᡓ䕑࡯ⱘᡬޣ㋏᭄ᣝϟᓣ䅵ㅫ˖(5.4.2-2)ᓣЁnüü೼ṕᶤ៾䴶໘ϔϾ㙟ЁᏗ㕂ⱘᷧ䩝᭄ˈᔧᷧ䩝໮Ѣ3Ͼᯊˈҡᣝ3Ͼ䅵ㅫDŽ05.4.3䖲᥹ӊⱘᡫ࠾ᔎᑺ䅵ㅫˈᑨҹᬃᑻ⚍ǃᔃⶽ㒱ᇍ᳔ؐ໻⚍ঞᔃⶽ䳊⚍Ў⬠䰤ˈབ೒5.4.3ߦߚЎ㢹ᑆϾ࠾䎼ऎˈ䗤↉䖯㸠DŽ↣Ͼ࠾䎼ऎݙ⏋ޱೳ㗐ᵓϢ䩶ṕ঴ড়䴶Ϟⱘ㒉৥࠾࡯Tᣝϟ߫݀ᓣ⹂ᅮ˖5.4.3.1ᇍԡѢℷᔃⶽऎ↉ⱘ࠾䎼Ў(1)ᔧลᗻЁ੠䕈ԡѢ⏋ޱೳ㗐ᵓݙᯊপT=Af(5.4.3-1)(2)ᔧลᗻЁ੠䕈ԡѢ䩶ṕݙᯊপǂT=bhf(5.4.3-2)eclcm5.4.3.2ᇍԡѢ䋳ᔃⶽऎ↉ⱘ࠾䎼পǂǂT=Af(5.4.3-3)rr↣Ͼ࠾䎼↉ݙⱘ䖲᥹ӊᘏ᭄nˈᣝϟᓣ䅵ㅫ˖f(5.4.3-4)ᓣЁNcüü↣Ͼ䖲᥹ӊফ࠾ᡓ䕑࡯䆒䅵ؐˈᣝ㄀5.4.1ᴵঞ㄀5.4.2ᴵ䅵ㅫDŽV5.4.4ᣝ݀ᓣ(5.4.3-4)ㅫᕫⱘnϾ䖲᥹ӊˈৃ೼ᇍᑨⱘ࠾䎼↉ݙഛࣔᏗ㕂DŽᔧ೼ℸ࠾䎼↉ݙ᳝䕗໻䲚Ё㥋f䕑԰⫼ᯊˈᑨᇚ䖲᥹ӊϾ᭄nᣝ࠾࡯೒䴶⿃П↨䖯㸠ߚ䜡ˈݡ৘㞾ഛࣔᏗ㕂ˈབ೒5.4.4᠔⼎DŽf೒5.4.3࠾䎼ऎߦߚ೒file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ32/45೒5.4.4࠾䎼↉ݙ᳝䕗໻䲚Ё࡯԰⫼ᯊ䖲᥹ӊⱘߚ䜡5.5ᵓᠬঞ㗐ᵓ䅵ㅫ5.5.1㒘ড়ṕᵓᠬঞ㗐ᵓ⬠䴶ᡫ࠾ᡓ䕑࡯偠ㅫˈᑨߚ߿偠ㅫ㗐ᵓ㒉৥オ⬠䴶(೒5.5.1Ёa-a⬠䴶)ঞࣙ㒰䖲᥹ӊⱘ㒉৥ࣙ㒰⬠䴶(೒5.5.1Ёb-bǃc-c⬠䴶)DŽ೒5.5.1ᵓᠬঞ㗐ᵓⱘ㒉৥ফ࠾⬠䴶ঞ῾৥䜡ㄟ(a)᮴ᵓᠬ˗(b)᳝ᵓᠬ5.5.2㒘ড়ṕᵓᠬঞ㗐ᵓ㒉৥⬠䴶ফ࠾ᵕ䰤⢊ᗕৃ㸼䖒Ў˖(5.5.2)ᓣЁVüü㥋䕑԰⫼ᓩ䍋ⱘऩԡ䭓ᑺ⬠䴶Ϟⱘ㒉৥⬠䴶࠾࡯˗l.1Vüüऩԡ䭓ᑺ⬠䴶Ϟⱘ⬠䴶ফ࠾ᡓ䕑࡯DŽul..15.5.3㥋䕑԰⫼ᓩ䍋ⱘऩԡ⬠䴶䭓ᑺϞⱘ⬠䴶࠾࡯Vᣝϟ߫㾘ᅮ䅵ㅫ˖l.1(1)ᇍѢࣙ㒰䖲᥹ӊⱘ㒉৥ࣙ㒰⬠䴶Ўǂ(5.5.3-1)ᓣЁlüü࠾䎼䭓ᑺˈ㾕೒5.4.3˗VTüü࠾䎼䭓ᑺݙⱘᘏⱘ㒉৥࠾࡯ˈ⬅݀ᓣ(5.4.3-1)㟇݀ᓣ(5.4.3-3)⹂ᅮDŽབ㒘ড়ṕⱘ䖲᥹ӊᰃ⒵ᑨ࡯Ꮉ԰ⱘˈгৃ⫼ϟᓣ䅵ㅫVˈेl.1(5.5.3-2)ᓣЁnüüϔϾ῾៾䴶Ϟϔᥦ䖲᥹ӊⱘϾ᭄˗1Ncüü↣Ͼ䖲᥹ӊⱘফ࠾䆒䅵ᡓ䕑࡯˗Vuüü䖲᥹ӊⱘ㒉৥䯈䎱DŽ1(2)ᇍѢ⏋ޱೳ㗐ᵓⱘ㒉৥オ⬠䴶Ўǂ(5.5.3-3)ঞ标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ34/45(2)䖲᥹ӊⱘ᳔໻䯈䎱ϡ໻Ѣ⏋ޱೳ㗐ᵓ(ࣙᣀᵓᠬ)८ᑺⱘ4סˈϨϡ໻Ѣ600mmDŽ(3)䖲᥹ӊⱘ໪ջ䖍㓬Ϣ䩶ṕ㗐㓬䖍㓬П䯈ⱘ䎱⾏ϡᇣѢ20mmDŽ(4)䖲᥹ӊⱘ໪ջ䖍㓬㟇⏋ޱೳ㗐ᵓ䖍㓬П䯈ⱘ䎱⾏ϡᇣѢ100mmǂDŽ(5)䖲᥹ӊ乊䴶ⱘ⏋ޱೳᡸሖ८ᑺϡᇣѢ15mmDŽ5.6.5ᷧ䩝䖲᥹ӊ䰸ᑨ⒵䎇㄀5.6.4ᴵ㽕∖໪ˈᇮᑨヺড়ϟ߫㾘ᅮDŽ(1)ᔧᷧ䩝ԡ㕂ℷᇍ䩶ṕ㝍ᵓˈབ䩶ṕ㗐㓬ᡓফᢝ࡯ˈ߭ᷧ䩝ᷧᴚⳈᕘϡ໻Ѣ䩶ṕϞ㗐㓬८ᑺⱘ1.5ס5.2ⱘᑺ८㓬㗐Ϟṕ䩶Ѣ໻ϡᑨᕘⳈᴚᷧ䩝ᷧ߭ˈ࡯ᢝফᡓϡ㓬㗐Ϟṕ䩶བ˗סDŽ(2)ᷧ䩝⊓ṕ䕈㒓ᮍ৥ⱘ䯈䎱ϡᇣѢᷧᴚⳈᕘⱘ5סDŽ(3)ᷧ䩝ൖⳈѢṕ䕈ᮍ৥ⱘ䯈䎱ϡᇣѢᷧᴚⳈᕘⱘ4סDŽ(4)ᇍѢ⫼य़ൟ䩶ᵓ԰⏋ޱೳ㗐ᵓᑩ῵ⱘ㒘ড়ṕ(೒5.4.2)ˈᷧ䩝ᷧᴚⳈᕘϡ໻Ѣ19mmˈ⏋ޱೳߌ㙟ᆑᑺϡᇣѢᷧ䩝ᷧᴚⳈᕘⱘ2.5ס˗ᷧ䩝催ᑺhᑨヺড়˖d(e+30)İhİ(e+75)mmǂd(5)ᷧ䩝ⱘᴤ䋼ǃ໪ᔶሎᇌঞ⛞᥹䋼䞣Ẕ偠㽕∖㾕䰘ᔩCDŽ5.6.6ᔃㄟ䖲᥹ӊ䰸ᑨヺড়㄀5.6.4ᴵ㽕∖໪ˈᇮᑨヺড়ϟ߫㾘ᅮ˖(1)ᔃㄟ䖲᥹ӊᅰ೼䩶ṕϞ៤ᇍ䆒㕂ˈ⊓ṕ䕈ᮍ৥ⱘ䯈䎱ϡᇣѢ⏋ޱೳ㗐ᵓ(ࣙᣀᵓᠬ)८ᑺⱘ0.7סDŽ(2)ᔃㄟ䖲᥹ӊⱘ䭓ᑺϡᇣѢ݊Ⳉᕘⱘ30סˈҢᔃ䍋⚍ㅫ䍋ⱘ䭓ᑺϡᇣѢ݊Ⳉᕘⱘ25סˈ݊Ё∈ᑇ↉䭓ᑺϡᇣѢ݊Ⳉᕘⱘ10ס(ܝ䴶䩶ㄟ঺ࡴᔃ䩽)DŽ೒5.6.7ᵓᠬⱘᵘ䗴(3)ᔃㄟ䖲᥹ӊᔃ䍋㾦ᅰЎ45É˗ᔃᡬᮍ৥㾕೒5.4.1(c)˗೼ṕ䎼Ё㒉৥∈ᑇ࠾࡯ᮍ৥ব࣪ऎ↉ˈᑨ䆒㕂೒5.6.7᠔⼎ᔃㄟDŽ5.6.7㒘ড়ṕⱘᵓᠬˈ݊໪ᔶሎᇌঞᵘ䗴ᑨヺড়ϟ߫㾘ᅮ(೒5.6.7)˖(1)ᵓᠬ䖍䎱䖲᥹ӊ໪ջ䎱⾏ϡᇣѢ40mm˗ᵓᠬ䕂ᒧ㒓೼㞾䖲᥹ӊḍ䚼ㅫ䍋ⱘ45Éӄ㾦㒓П໪DŽ(2)ᵓᠬݙᑨ䜡㕂῾৥䩶ㄟˈ݊ϟ䚼∈ᑇ↉ᑨ䆒㕂೼䎱䩶ṕϞ㗐㓬50mmⱘ㣗ೈҹݙ˗῾৥䩶ㄟⱘ䯈䎱ᑨϡ໻Ѣ4eˈϨϡ໻Ѣ600mmDŽeЎ䖲᥹ӊᡫᥔ䍋ッᑩ䴶㟇῾৥ㄟ∈ᑇ↉乊䴶ⱘ䎱⾏DŽ005.6.8㒘ড়ṕὐሖⱘЏǃ⃵ṕ䖲᥹ᮍᓣˈৃ䞛⫼ᑇ᥹៪঴᥹(೒5.6.8)DŽ标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ35/45೒5.6.8㒘ড়ṕЏǃ⃵ṕ䖲᥹ᮍᓣㅔ೒(a)ᑇ᥹˗(b)ᑇ᥹˗(c)঴᥹(b)䰘ᔩA䩶ㅵ⏋ޱೳᴚӊ޴ԩ⡍ᕕሎᇌ៾䴶䴶⿃↣㉇䋼䞣៾䴶⡍ᕕ৿䩶⥛(mm)(×102mm2)(kg/m)W݊ЁIscsc䩶ㅵ䋼ᴚӊ䋼DtAscǂ(׿AA(×104mm4)䞣䞣sc103mm3)1024.081.712.369.4531.3104.29.727.00.1771084.091.613.178.5667.9123.710.329.90.1671144.0102.013.888.2829.0145.410.932.90.1561214.0115.014.7100.31052.3173.911.536.60.1461274.0126.715.5111.21277.0201.112.139.90.1391274.5126.717.3109.41277.0201.113.640.90.1581275.0126.719.2107.51277.0201.115.041.90.1781334.0139.016.2122.81535.9231.012.743.40.1341334.5139.018.2120.81535.9231.014.344.50.1501335.0139.020.1118.91535.9231.015.845.50.1691404.0153.917.1136.81885.8269.413.447.60.1251404.5153.919.1134.81885.8269.415.048.70.1421405.0153.921.2132.71885.8299.416.649.80.1601464.0167.417.8149.62230.4305.514.051.40.1191464.5167.420.0147.42230.4305.515.752.60.1361465.0167.422.1145.32230.4305.517.453.70.1521504.0176.718.3158.42485.0331.314.454.00.1151504.5176.720.6156.12485.0331.316.155.20.1321505.0176.722.8153.92485.0331.317.956.40.1481505.5176.725.0151.72485.0331.319.657.50.1651506.0176.727.1149.62485.0331.321.358.70.1811524.0181.518.6162.92620.3344.814.655.30.114file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ36/451524.5181.520.9160.62620.3344.816.456.50.1301525.0181.523.1158.42620.3344.818.157.70.1461525.5181.525.3156.22620.3344.819.958.90.1621526.0181.527.5154.02620.3344.821.260.10.1781594.0198.619.5179.13137.3394.715.360.10.1091594.5198.621.8176.83137.3394.717.161.30.1231595.0198.624.2174.43137.3394.719.062.60.1391595.5198.626.5172.13137.3394.720.863.80.1541596.0198.628.8169.83137.3394.722.665.10.1701684.0221.720.6201.13910.3465.516.266.40.1021684.5221.723.1198.63910.3465.518.167.80.1161685.0221.725.6196.13910.3465.520.169.10.1301685.5221.728.1193.63910.3465.522.070.40.1451686.0221.730.5191.23910.3465.524.071.80.1601804.0254.422.0232.45153.0572.517.475.40.0951804.5254.424.8229.65153.0572.519.576.90.1081805.0254.427.4227.05153.0572.521.678.30.1211805.5254.430.2224.25153.0572.523.779.70.1351806.0254.432.8221.65153.0572.525.781.20.1481806.5254.435.4219.05153.0572.527.882.60.1621807.0254.438.0216.45153.0572.529.984.00.1761944.0295.623.9271.76953.1716.818.786.70.0881944.5295.626.8268.86953.1716.821.088.20.1001945.0295.629.7265.96953.1716.823.389.80.1121945.5295.632.6263.06953.1716.825.691.30.1241946.0295.635.4260.26953.1716.827.892.90.1361946.5295.638.3257.36953.1716.830.164.40.1491947.0295.641.1254.56953.1716.832.395.90.1612194.0376.727.0349.711291.41031.221.2108.60.0772194.5376.730.3346.411291.41031.223.8110.40.0872195.0376.733.6343.111291.41031.226.4112.20.0982195.5376.736.9339.811291.41031.229.0113.90.1082196.0376.740.1336.511291.41031.231.5115.70.1192196.5376.743.4333.311291.41031.234.1117.40.1302197.0376.746.6330.111291.41031.236.6119.10.141标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ37/452198.0376.753.0323.711291.41031.241.6122.50.1642454.0471.430.3441.117686.21443.823.8134.10.0692454.5471.434.0437.417686.21443.826.7136.00.0782455.0471.437.7433.717686.21443.829.6138.00.0872455.5471.441.4430.017686.21443.832.5140.00.0962456.0471.445.0426.417686.21443.835.4142.00.1052456.5471.448.7422.717686.21443.838.2143.90.1152457.0471.452.3419.117686.21443.841.1145.90.1252458.0471.459.5411.917686.21443.846.8149.70.1442734.0585.333.8551.527265.91997.526.5164.40.0612734.5585.338.0547.327265.91997.529.8166.60.0692735.0585.342.1543.227265.91997.533.0168.90.0772735.5585.346.2539.127265.91997.536.3171.10.0862736.0585.350.3535.027265.91997.539.5173.30.0942736.5585.354.4530.927265.91997.542.7175.50.1022737.0585.358.5526.827265.91997.545.9177.60.1112738.0585.366.6518.727265.91997.552.3182.00.1282739.0585.374.6510.727265.91997.558.6196.30.1462994.0702.237.1665.139233.22624.429.1195.40.0562994.5702.241.6660.639233.22624.432.7197.80.0632995.0702.246.2656.039233.22624.436.3200.20.0702995.5702.250.7651.539233.22624.439.8202.70.0782996.0702.255.2647.039233.22624.443.4205.10.0852996.5702.259.7642.539233.22624.446.9207.50.0932997.0702.264.2638.039233.22624.450.4209.90.1012998.0702.273.2629.039233.22624.457.4214.70.1162999.0702.282.0620.239233.22624.464.4219.40.1323254.0829.540.3789.254765.03370.031.7229.00.0513254.5829.545.2784.354765.03370.035.6231.60.0583255.0829.550.2779.354765.03370.039.5234.30.0643255.5829.555.1774.454765.03370.043.3236.90.0713256.0829.560.1769.454765.03370.047.2239.60.0783256.5829.565.0764.554765.03370.051.1242.20.0853257.0829.569.9759.654765.03370.054.9244.80.0923258.0829.579.7749.954765.03370.062.5250.00.106file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ38/453259.0829.589.3740.254765.03370.070.1255.20.1213514.0967.643.6924.074507.24245.434.2265.20.0473514.5967.649.0918.674507.24245.438.5268.10.0533515.0967.654.3913.374507.24245.442.7271.00.0593515.5967.659.7907.974507.24245.446.9273.80.0663516.0967.665.0902.674507.24245.451.0276.70.0723516.5967.670.3897.374507.24245.455.2279.50.0783517.0967.675.6892.074507.24245.459.4282.40.0853518.0967.686.2881.474507.24245.467.7288.00.0983519.0967.696.7870.974507.24245.475.9293.60.11135110.0967.6107.1860.574507.24245.484.1299.20.1243774.01116.346.91069.499159.75260.536.8304.10.0443774.51116.352.71063.699159.75260.541.3307.20.0503775.01116.358.41057.999159.75260.545.9310.30.0553775.51116.364.21052.199159.75260.550.4313.40.0613776.01116.369.91046.499159.75260.554.9316.50.0673777.51116.375.71040.699159.75260.559.4319.50.0733777.01116.381.41034.999159.75260.563.9322.60.0793778.01116.392.71023.699159.75260.572.8328.70.0913779.01116.3104.01012.399159.75260.581.7334.70.10337710.01116.3115.31001.099159.75260.590.5340.80.1154004.01256.749.81206.9125663.76283.239.1340.80.0414004.51256.755.91200.8125663.76283.243.9344.10.0474005.01256.762.01194.7125663.76283.248.7347.40.0524005.51256.768.21188.5125663.76283.253.5350.60.0574006.01256.774.31182.4125663.76283.258.3353.90.0634006.51256.780.41176.3125663.76283.263.1357.10.0684007.01256.786.41170.3125663.76283.267.3360.40.0744008.01256.798.51158.2125663.76283.277.3366.90.0854009.01256.7110.61146.1125663.76283.286.8373.30.09740010.01256.7122.51134.2125663.76283.296.2379.70.10840012.01256.7146.31110.4125663.76283.2114.8392.40.1324265.01425.366.11359.2161662.17589.851.9391.70.0494265.51425.372.71352.6161662.17589.857.0395.20.0544266.01425.379.21346.1161662.17589.862.1398.70.059标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ39/454266.51425.385.71339.6161662.17589.867.2402.20.0644267.01425.392.11333.2161662.17589.872.3405.60.0694268.01425.3105.11320.3161662.17589.882.5412.50.0804269.01425.3117.91307.4161662.17589.892.6419.40.09042610.01425.3130.71294.6161662.17589.8102.6426.20.10042612.01425.3156.11269.2161662.17589.8122.5439.70.1234505.01590.469.91520.5201288.98946.254.9435.00.0464505.51590.476.81513.6201288.98946.260.3438.70.0514506.01590.483.71506.7201288.98946.265.7442.40.0564506.51590.490.61499.8201288.98946.271.1446.10.0604507.01590.497.41493.0201288.98946.276.5449.70.0654508.01590.4111.11479.3201288.98946.287.2457.00.0754509.01590.4124.71465.7201288.98946.297.9464.30.08545010.01590.4138.21452.2201288.98946.2108.5471.60.09545012.01590.4165.11425.3201288.98946.2129.6485.90.11645014.01590.4191.81398.7201288.98946.2150.5500.20.1374785.01794.574.31720.2256260.410722.258.3488.40.0434785.51794.581.61712.9256260.410722.264.1492.30.0484786.01794.589.01605.5256260.410722.269.8496.20.0554786.51794.596.31698.2256260.410722.275.6500.10.0574787.01794.5103.61690.9256260.410722.281.3504.00.0614788.01794.5118.11676.4256260.410722.292.7511.80.0704789.01794.5132.61661.9256260.410722.2104.1519.60.08047810.01794.5147.01647.5256260.410722.2115.4527.30.08947812.01794.5175.71618.8256260.410722.2137.9542.60.10947814.01794.5204.11990.4256260.410722.2160.2557.30.1285005.01963.577.81885.7306796.112271.861.0532.50.0415005.51963.585.41878.1306796.112271.867.1536.60.0455006.01963.593.11870.4306796.112271.873.1540.70.0505006.51963.5100.81862.7306796.112271.879.1544.80.0545007.01963.5108.41855.1306796.112271.885.1548.90.0585008.01963.5123.71839.8306796.112271.897.1557.00.0675009.01963.5138.81824.7306796.112271.8109.0565.10.07650010.01963.5153.91809.6306796.112271.8120.8573.80.08550012.01963.5184.01779.5306796.112271.8144.4589.30.10350014.01963.5213.81749.7306796.112271.8167.8605.20.122file://C:dlhb2002WJ18.htm2003-06-12 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☿࡯থ⬉ॖЏॖ᠓义ⷕˈ43/4585024.05674.5622.85051.72562392.260291.6488.91751.80.12385026.05674.5673.15001.42562392.260291.6528.31778.70.13485028.05674.5723.14951.42562392.260291.6567.61805.50.14685030.05674.5772.84901.72562392.260291.6606.71832.10.15885032.05674.5822.34852.22562392.260291.6645.51858.60.16990010.06361.7279.66082.13220623.371569.4219.51740.00.04690012.06361.7334.76027.03220623.371569.4262.81769.50.05590014.06361.7389.35972.43220623.371569.4305.91798.90.06590016.06361.7444.35917.43220623.371569.4348.81828.20.07590018.06361.7498.75863.03220623.371569.4391.51857.30.08590020.06361.7552.95808.83220623.371569.4434.01886.20.09590022.06361.7606.85754.93220623.371569.4476.41915.10.10590024.06361.7660.55701.23220623.371569.4518.51943.80.11590026.06361.7713.95647.83220623.371569.4560.41972.40.12690028.06361.7767.05594.73220623.371569.4602.12000.80.13790030.06361.7820.05541.73220623.371569.4643.72029.10.14790032.06361.7872.65489.13220623.371569.4685.02057.30.15990034.06361.7925.05436.73220623.371569.4726.12085.30.17095010.07088.2295.36792.93998198.284172.6231.81930.00.04495012.07088.2353.66734.63998198.284172.6277.61961.20.05395014.07088.2411.76676.53998198.284172.6323.21992.30.06295016.07088.2469.56618.73998198.284172.6363.52023.20.07195018.07088.2527.06561.23998198.284172.6413.72054.00.08095020.07088.2584.36503.93998198.284172.6458.72084.70.09095022.07088.2641.46446.83998198.284172.6503.52115.20.10095024.07088.2698.26390.03998198.284172.6548.12145.60.10995026.07088.2754.76333.53998198.284172.6592.52175.80.11995028.07088.2811.06277.23998198.284172.6636.72206.00.12995030.07088.2867.16221.13998198.284172.6680.72235.90.13995032.07088.2922.96165.33998198.284172.6724.52265.80.15095034.07088.2978.46109.83998198.284172.6768.12295.50.160100012.07854.0372.57481.54908738.598174.8292.42162.80.049100014.07854.0433.77420.34908738.598174.8340.42195.50.058100016.07854.0494.67359.44908738.598174.8388.32228.10.067100018.07854.0555.37298.74908738.598174.8435.92260.60.076100020.07854.0615.87238.24908738.598174.8483.42292.90.085file://C:dlhb2002WJ18.htm2003-06-12 ☿࡯থ⬉ॖЏॖ᠓义ⷕˈ44/45100022.07854.0675.97178.14908738.598174.8530.62325.10.094100024.07854.0735.97118.14908738.598174.8577.72357.20.103100026.07854.0795.67058.44908738.598174.8624.52389.10.112100028.07854.0855.06999.04908738.598174.8671.22420.90.122100030.07854.0914.26939.84908738.598174.8717.62452.60.131100032.07854.0973.16880.94908738.598174.8763.92484.10.141100034.07854.01031.86822.24908738.598174.8810.02515.50.151100036.07854.01090.36763.74908738.598174.8855.92546.30.161䰘ᔩBऩ䎼ব៾䴶ṕবԡ䅵ㅫ݀ᓣ㸼⊼˖ᴀ㸼⫼Ѣᣝᔍᗻ⧚䆎ߚᵤ䖲㓁㒘ড়ṕⱘݙ࡯DŽ䰘ᔩCᷧ䩝䖲᥹ӊᴤ᭭䋼䞣ǃ໪ᔶሎᇌঞ⛞᥹䋼䞣Ẕ偠㽕∖C.0.1ᷧ䩝ᴤ᭭䋼䞣ᷧ䩝ᅰ䞛⫼䬛䴭䩶ࠊ԰DŽ݊ᴎẄᗻ㛑ঞ࣪ᄺ៤ߚᑨヺড়㸼C.0.1ⱘ㽕∖DŽ㸼C.0.1ᷧ䩝ᴤ䋼㽕∖ᴎẄᗻ㛑࣪ᄺ៤ߚ(%)ሜ᳡⚍ᡫᢝᔎᑺԌ䭓CMnPS(N/mm2)(N/mm2)(%)24ҹϞ41̚5220ҹϞ0.20ҹϟ0.30̚0.900.01ҹϟ0.04ҹϟ标准分享网www.bzfxw.com免费下载file://C:dlhb2002WJ18.htm2003-06-12 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