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CECS 214:2006 自承式给水钢管跨越结构设计规程

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'CECS214:2006m᪗ᓄ ᪗᪀designspecificationforself-sustaininglongitudinallyover-crossingstructureofsteelpipeofwatersupplyᑜ᱐ ᪗ᓄ ᪗ ᪀designspecificationforself-sustaininglongitudinallyover-crossingstructureofsteelpipeofwatersupplyCECS214:2006!ᓫ#:%&"(Ẇ*▾ᢇᓫ#:᪗ᓄ -./0:200744ᨴ1/8ᑜ᱐2007ᓅ ᪗ᓄ ᪗ ᪀CECS214:2006☆%&"(Ẇ*▾!ᑜ᱐᱐(ᙢᙬ:ᓅ<"=>?ᩈAᙢᓅBᵬ11DEᜧGCH4I)(K(!ṹ:100038ᵯN:6390643363906381)OPQRᓅ...................................................(17)6.2ᢚ..........*........................................(21)6.3@...................................................(27)7Í®Ì.........................................(31)7.1Ì´ᑣ.............................................(31)7.2>...................................................(33)3ᢚ 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1&ᑣ1.0.1½Vᙠ᪀,WX᡻.ḄᢈZ([,ᑮᢈᐜ_、Zᔠᳮ、`ᐰ〉ᵨ、bc&d,ᑴi。1.0.2〉ᵨu>╋ᵨ-ÄfÄḄ>gG(hi>)、ᢚG(hiᢚ)、ᙊFG(hi@)᪀。j-Ḅ᣸¬l᯿᡻.。1.0.3©᪷lª.᪗《«᪀¬☠®hd᪗》GB50068《᪀¬☠®hd᪗》GB50153iḄ´ᑣ_.ᑴi,¢%ᔠª.᪗《᣸⍝᪀》GB50332Ḅᨵᐵi。1.0.4ᢥo,pud9ឋ₹:Ḅbi、᪀q:☢ÌᙢẠs,tᢥutḄ᪗Ḅi᡻.。puᐶᙠᙢ◫?、w◍ឋy+ᡈz{+sᙢ?,ᨵᱯ}⌕ᱯi¦§vḄ᪀,~t%ᔠª.ᨵᐵ᪗Ḅi。1.0.5⍝-o,~t⍳ª.᪗《᣸⍝-Óᦈ》50268Ḅi。 2⌕%D.1ÊᵨÊᵨᦔtFc——ᜫÎË;Fdw——Ë᪗0;F,—Ë᪗0;Fv——⍝ᑁË;Fw——⍝ᑁḄÊᑁË;Fwd——⍝ᑁḄᑁË;q—₹:Êᵨ0ᡈIᔣᑖå₹:0—₹:Êᵨ᪗0;M——Ì☢ᜐḄ;V——Ì☢ᜐḄË;N——Ì☢ᜐḄᔣË;H^HᓝÌ☢ᜐḄ>xË;R—Ì☢ᜐḄIᔣË;P— ᱥpÐÑ¢£Ë᪗0;T—¤;At—M¥᪗0;A——¦§ᔣtË;~dd"¦ᔣtË;T----¦tË;^——¦ᨬᜧáᔠᢚÌtËᡈ¦§ᔣ¬tË;々—ᑁË®Ḅ§ᔣ¬tË;^——Ðᜐ§ᔣ¯tË;/1ᩞᢙ¬、ᢙᢙÍ®0; /t——²³Ḅ²´ᢙÍ®0;VEX——IᔣÊᵨvḄᢰ®;S—ëᵨᦔtáᔠ0。0.2¶·lᦪD,᜜g、᜜P(mm);D.r——ᑁg、ᑁP(mm);t—¦Ì»®(mm);I—>ᡈᢚ®(mm);L----@®(mm);s—ᢚ½¾½¿(mm);U—ᢚ½¾>ᢗÁ¿®(mm);h—ᢚ>¾¿®(mm);Sr----@F¿(mm);6—ᢚ½¾ÂÃ(°);I—☢Åឋ(mm4);W——☢Çᢙ(mm3);A——¦Ì☢È(mm2);n——☢ÊËP(mm);—ᢚ>¾¿®Ã½¾¿®ÿÌ;lo—ᢚ¾ḄᢚÌ¿®(mm);A——ᢚ¾Ḅ¿ÍÌ;/----@ḄÎÏ(mm);II—@ÎÌf/Ucp—@PᙊÐÃ(F®);So——@ÒdÌ¿®(mm);R—@ᙊFP(mm)。0.3Ìlᦪ、©ᦪKw——ᢚ>ÊᵨoḄÌlᦪ;Kt——ᢚM®ÊᵨoᑁËÌlᦪ(N•mm) ^、Ḅ—ᑖÕ½ᢚᐰ、ᓫN½¾ᙠIᔣÊᵨvḄᑁËÌlᦪ;"3—ᢚᙠPIᔣÊᵨoᑁËÌlᦪ;fM—ᢚᙠ>ÊᵨoᑁËÌlᦪ;A«s、pb----ᢚÌ¿®©ᦪ;cp—ᢚÐØÎi©ᦪ;a----ᢚ⁚äᜐᔣËÌ0;at—⍝Ḅz{©ᦪ(1/°C);Kc—ÐÑᢙÛ`ᐰ©ᦪ;K2—ÐÑᢙÂ`ᐰ©ᦪ;7o——⍝ḄQ⌕ឋ©ᦪ;CG—12ÊᵨḄÊᵨᦔt©ᦪ;CQ——¬3ÊᵨḄÊᵨᦔt©ᦪ;7g——12Êᵨᑖ⚗©ᦪ;/Q——¬3Êᵨᑖ⚗©ᦪ;Vp——ᩞḄà᫃Ì;cpc—¬3ÊᵨḄÊᵨáᔠ©ᦪ;cp,—¬3ÊᵨḄ120©ᦪ;cpm—@ÐØᔣᢰ¯©ᦪ。 3ᩞᧇ3.1ᩞC᪗23.1.1ÓᐸÐḄᩞÍ®sãätåuQ235,ᐸ&dt%ᔠª.᪗《æç᪀》GB/T700Ḅ⌕。3.1.2᪀Ḅè³ᩞᧇt%ᔠvᑡ⌕:1ê²³ᵨḄ²ᩩt%ᔠª.᪗《æ²ᩩ》GB/T5117Ḅ⌕,⌱ᵨḄ²ᩩìDtÃÓᐸÐḄᩞᱥᳮឋ;u〉t。²ᩩìDí¶ᵨE4300〜E4313;2ï²³ᡈPï²³t¶ᵨÃᩞᱥᳮឋ;u〉tḄ²ð²ᑺ。²ðt%ᔠª.᪗《ᰚᓄ²ᵨð》GB/T14957Ḅ⌕;3ó|ôᑴõ᪝、÷᪝t%ᔠª.᪗《æç᪀》GB/T700Ḅ⌕。3.2Dᢣ᪗3.2.1ᩞ²´ḄÍ®0,t᪷lª.᪗《᪀》GB50017Ḅi¶ᵨ。3.2.2ᩞḄᱥᳮឋ;ᢣ᪗tᢥ⊤3.2.2Ḅi¶ᵨ。⊤3.2.2ᩞḄᱥᳮឋKᢣ᪗øឋùdE3ùdGz{©ᦪ&dü®"àýÌvP(N/mm2)(N/mm2)(¸ú°〇)(kN/m3)2.06X1057.9X10412X10-678.50.33.2.3ó|õ᪝、÷᪝è³ḄÍ®0,t᪷lª.᪗《᪀》GB50017Ḅi(⊤3.2.3)¶ᵨ。 ⊤3.2.3ó|ôᑴõ᪝è³ḄÍ®0(N/mm2)õ᪝、÷᪝ḄᩞþDᢙ¬/!>ᢙAᢙ¬/?ó|õ᪝Q235170140—÷᪝Q235——1403.3(3.3.1()*+᪀Ḅ(í¶ᵨHPB235(Q235)ã、HRB335(20MnSi)ã(。*3.3.2(ḄÍ®᪗0tᐹᨵäu95%Ḅc᳛。(ḄÍ®᪗0©᪷lÍ®bi,(ḄÍ®᪗0/yktᢥ⊤3.3.2Ḅi¶ᵨ。⊤3.3.2LMN᪗2O(N/inm2)-%DdCmm)/ykHPB235CQ235)08〜20235(HRB335(20MnSi)06〜50335:(gd©ᢣig。3.3.3(Ḅᢙ¬Í®0fyÓᢙÍ®0/ytᢥ⊤3.3.3Ḅi¶ᵨ。Ò᪀qᨵäj-Ḅ(o,ú(t¶ᵨᔜḄÍ®0。⊤3.3.3LMNO(N/mm2)-%DfyfyHPB235CQ235)ᙳ(Måud5°CḄᙢ?,᜜☄Ḅ()*+ÐÑḄ)*+tcᐹᨵ*+Ḅᢙឋ;,ᐸᢙsãtᢥª.᪗《᣸᪀«ᱥ᪀》GB50069Ḅi¶ᵨ。 4᪀%ḄÊᵨ4.1VᵨᑖYZVᵨ[⊤O4.1.1᪀%ḄÊᵨ,ᢥᐸឋ&¬ᑖ½12Êᵨ、¬3ÊᵨᏔᯠÊᵨ,-。112Êᵨtᒹ.⍝᪀Q、⍝ᑁ᜜■ῖᩞᧇQ、⍝cMIQ、⍝▬0-Q、⍝ᑁQ、ÐÑQÓ+Ë(IᔣNᔣ)s。2¬3Êᵨtᒹ.ËᑁḄ☟Ë(ÊᑁËᡈᑁË)、Ë、₹:、₹:、M®Êᵨ、-`2₹:ᡈ3ú₹:,Ë、Ës。3ᏔᯠÊᵨᢣ¢£Ë。4.1.2᪀o,päjḄÊᵨt¶ᵨäjḄÊᵨ.⊤0。1p12Êᵨ,t¶ᵨ᪗0ʽ.⊤0。2p¬3Êᵨ,t᪷l⌕¶ᵨ᪗0、áᔠ0ᡈ120ʽ.⊤0。4.1.3Òß᪀Ø4ᡈ4¸%¬3Êᵨo,:;Ë᩽▲¿᝱ᡈ<=ëᵨ᩽▲¿᝱tᢥ50ᦔtáᔠ,¬3Êᵨt¶ᵨáᔠ0ʽ.⊤0。4.1.4Ò<=ëᵨ᩽▲¿᝱ᢥ¿0ᦔtáᔠo,¬3Êᵨt¶ᵨ120ʽ.⊤0。4.2]Vᵨ᪗2O4.2.1᪀%12ឋ-ḄÊᵨ,¬ᢥ᪀q▭67Ãutᩞᧇᓫ#8ÈQ,Ìbi。 4.2.2ÊᵨᙠÐÑḄ+Ë,¬ᢥª.᪗《᣸᪀«ᱥ᪀》GB50069ḄiÌ。4.2.3ᑁQ᪗0,¬ᢥḄQËü®½lOkN/rn3Ì。4.3^_Vᵨ᪗2O、2]Oaᦪ4.3.1¬3Êᵨ,₹:₹:Êᵨ᪗0Óᐸ120©ᦪ,tᢥª.᪗《«᪀₹:》GB50009Ḅᨵᐵi¶ᵨ。4.3.2ËᑁḄ☟Ë᪗0tᢥᑁËFwdÌ,ᐸ᪗0tᢥÊᑁËFw"0.5MPa,9äu0.9MPa¶ᵨ,ut120©ᦪ¬0.7。4.3.3Ëᙠ:.;,¬;ªḄË(FA),ᐸ᪗0¬0.05MPa,utḄ120©ᦪ¬0。4.3.4M®3ᓄ<=>?ḄM®tËÊᵨ,ᐸ@ᔠM¥᪗0¬ᢥvÌ:A^=(T2-T)-(T2~Tl)(4.3.4)—M¥᪗0(°C);T——-@ᔠoḄ(M(°C);T,^■:.oᨴ>ᙳᨬÏᡈᨬåM(°C);T2——:.oᨴ>ᙳᨬÏᡈᨬå(M(°C)。ÒB(Mᧇo,¬ᢥvᑡ4ᙢ?(Mᩩq¶ᵨ:pᨬ&ᨴ>ᙳ(MÏud5°Cᙢ?,¬¶ᵨC25°C;pᨬ&ᨴ>ᙳ(Måud5°Cᙢ?,¬¶ᵨ±30°Cj4.3.5¶ᵨ²³、F³ᡈᰚ³è³Ḅ,ᐸ@ᔠM¥utḄ120©ᦪ¬0.5Ì。4.3.6Êᵨᙠ%-`2₹:Ó3ú₹:᪗0,¬ᢥ⊤4.3.6¶ᵨ,ᐸ120©ᦪ¬0.2。 ⊤4.3.6-`2₹:3ú₹:᪗0(mm)<200200〜500>500Êᵨ᪗0(kN/m)0.71.02.04.3.7ÊᵨᙠÐÑ%ḄË᪗0,¬ᢥvÌ:Fdw=Kfrw(4.3.7)Fdw——Ë᪗0(kN);Vw——Ḅ>ᙳG®(m/s);K{—ÐÑḄË©ᦪ,¬ᢥ⊤4.3.7¶ᵨ;rw——H⍝ḄQËü®(kN/m3),¬ᢥ10kN/m3¶ᵨ;g----QË"G®(m/s2);F—ÐÑḄI☢È(m2),tÌJᨬåKᑵᜐ。⊤4.3.7deḄfgaᦪ(Kf)ÐÑ8ìÁGGᙊG¿ᙊGLMGK{1.471.280.780.590.694.3.8pËḄ120©ᦪ,Òᨬå#o,utḄ120©ᦪ¬1.0;ÒᨬÏ#o,utḄ120©ᦪ¬>ᙳ#ÃᨬÏ#ḄÌ0。4.3.9H⍝ᑁÊᵨᙠÐÑᜐḄË,ᐸ᪗0¬ᢥvᑡibi:1ÊᵨᙠᐹᨵIgNOÐÑ%ḄË᪗0¬ᢥvÌ:Fl=mhflbtl(4.3.9-1)2Êᵨᙠᐹᨵ½ẚQḄÐÑ%ḄË᪗0¬ᢥvÌ:Fjy=fiwbti(4.3.9-2)Fm=itg0(4.3.9-3)•10• R—IgNOÐÑ%ḄË᪗0(kN);mh—ÐÑR☢Ḅ8ì©ᦪ,ÁG1.0,ᙊG0.9,LMG¬ᢥ⊤4.3.9¶ᵨ;/i——Ḅ᩽▲ᢙÍ®(kN/m2),ÒS#o¬ᢥ750kN/m2¶ᵨ;h—»(m),tᢥ▭¦§bi;FIV——IᔣË᪗0(kN);Fih—>ᔣË᪗0(kN);b—ÐÑᙠ#ᜐḄV®(m);/iw——Ḅ¯ᢙ᩽▲Í®(kN/m2),¬ᢥ0.7/¶ᵨ;0ẚQp>ḄÂÃ(°)。⊤4.3.9hijdeklaᦪ(mh)@ABCDE45°60。75。90。120F☢ḄIJmh0.600.650.690.730.814.3.10ËḄ120©ᦪ,pXᓅᙢ?OᶢᓅZᙢ?¬0.5;pᐸ#ᙢ?¬0。4.4ᏔᯠVᵨ᪗2O、2]Oaᦪ4.4.1 ᱥpÐÑḄ¢£Ë᪗0,¬ᢥvÌ:gtP—— ᱥpÐÑ¢£Ë᪗0(kN);Vw——G®(m/s);t—¢£o[(s),B▭ᧇo,d9Is;g——QË"G®9.81(m/s2)W—— ᱥQË(N),t᪷lH ᱥ¦§ᢥ▭bi。4.4.2 ᱥpÐÑ¢£ËḄ120©ᦪ¬0。11• 5i5.1opq5.1.1¶ᵨ¸ᭆ᳛ᳮ¼½ẠḄ᩽▲¿᝱ÁÂ,¸¬☠ᢣ᪗⇎d᪀᪀qḄ¬☠®;ᢥ:;Ë᩽▲¿᝱Ìo,◀p⍝᪀᦮8ÎiÌ᜜,ᙳ¶ᵨ¸ᑖ⚗©ᦪḄ⊤w_.。5.1.2ÓÐÑ᪀,tÌvᑡ4᩽▲¿᝱:1:;Ë᩽▲¿᝱:ptu⍝ÓᐸÐÑ᪀wᑮᨬᜧ:;Ë,ᡈwᑮä〉u_`:Ḅ3G᩽▲¿᝱;ᩞᡈè³᪀qaᐸᑁËb;ᩞᧇÍ®¨ẚc;⍝᪀a;d3G¨ä;〉t_`:ᡈdᜫÎiḄÌ。2<=ëᵨ᩽▲¿᝱:ptu⍝ÓᐸÐÑ᪀%ᔠ<=ëᵨᡈὊ2ឋ;Ḅf⚗i▲0;Ág<=ëᵨḄ3Gd▲0;ÁgὊ2ឋ;ḄhᑴijᡈkZj´V®▲0s。5.1.3᪀ᑁËᑖ᪆,ᙳtᢥøឋ8©Ì,äὃ⇋ᵫoøឋ3Gᡠ®ḄᛛឋᑁËQᑖå。5.1.4᪀o,᪷lª.᪗《᪀¬☠®hd᪗》GB50153Ḅi,᪀qÓᐸÐḄ`ᐰsãíqã。pᨵᱯ}⌕Ḅ,ᐸ`ᐰsã¬ᢥᐹ8¦§r¸sÏᡈtå,¢tuᨵᐵZvᢇ。5.1.5᪀Óᐸè³q,ᢥ:;Ë᩽▲¿᝱_.Í®、kZÎiឋÌo,᪀%Ḅᔜ⚗Êᵨt¶ᵨÊᵨ0(Êᵨ.⊤0w¸Êᵨᑖ⚗©ᦪ᪀Óᐸè³qᢥ<=ëᵨ᩽▲¿᝱Ì3Go,᪀%Ḅᔜ⚗Êᵨt¶ᵨÊᵨ.⊤0。5.1.6Êᵨ.⊤0、Êᵨᑖ⚗©ᦪ、Êᵨáᔠ©ᦪᢥ᪀`ᐰsãbiḄQ⌕ឋ©ᦪ,◀ᱯ}i᜜,ᙳtᢥª.᪗•12• 《«᪀₹:》GB50009Ḅi¶ᵨ。5.1.7ÐÑs()*+᪀qḄj´V®Ì,d9äb;0.2mm;Ò§᛻ᡈ+ᨵῖ⇨ឋot0.1mm,¢t¶┐pឋḄ■ῖ{-。5.1.8ÐÑ)*+ḄÍ®sãätåuC25,ᢙ᪗DätåuF200o5.1.9>、ᢚØᢰ®ätb;vᑡi,ᙊFG@¬äÌᐸᢰ®。>Z/250;ᢚØIᔣÊᵨoZ2/250U2½>¾¿®);ᢚØ>ᔣÊᵨoZ/250U½ᢚ®)。5.1.10᪀᪀qḄ☢:Ë、3GÌ,tᢥª.᪗《᪀》GB50017、《)*+᪀》GB50010《ẘ8᪀》GB50003Ḅi᡻.。5.1.11ÐÑẠḄᙢ:Ë、3GÎiឋsÌ,tᢥª.᪗《«ᙢẠ》GB50007Ḅi᡻.。5.2sKg᩽▲v᝱D5.2.1᪀ᢥ:;Ë᩽▲¿᝱_.Í®ÓÎiឋÌo,tv⌕:y0S^R(5.2.1)7。—⍝ḄQ⌕ឋ©ᦪ。pᓫ⍝1.1,⍝、⍝1.0;p⍝1.0;p⍝0.9;S—ÊᵨᦔtáᔠḄ0;R—⍝᪀ᢙË0,tᢥc3.2⁚Ḅibi。5.2.2ÊᵨᦔtḄáᔠ0,tᢥvbi:mS=27GiCGzG;k+yQ1CQiQlk+9?cfyq/CoyG(5.2.2、i=li=2•13• Gik—ci12Êᵨ᪗0;CGi——ciÚ12ÊᵨḄÊᵨᦔt©ᦪ;7Gi——ciÚ12ÊᵨḄᑖ⚗©ᦪ;Qik—c1Ú¬3Êᵨ᪗0;Qjk—cjÚ¬3ÊᵨḄ᪗0;7qi.7q;—ᑖÕ½c1ÚcjÚ¬3ÊᵨḄᑖ⚗©ᦪ;CQ1.Cq,——ᑖÕ½c1ÚcjÚ¬3ÊᵨḄÊᵨᦔt©ᦪ;cpc—¬3ÊᵨḄáᔠ©ᦪ。5.2.312ÊᵨḄᑖ⚗©ᦪ,tᢥvᑡi¶ᵨ:1ÒÊᵨᦔtp᪀äᑭo,᪀Ó▬0-Qt1.20᜜,ᐸ#12Êᵨt1.27;2ÒÊᵨᦔtp᪀ᨵᑭo,t1.0。5.2.4¬3ÊᵨḄᑖ⚗©ᦪ,tᢥvᑡi¶ᵨ:1⍝᪀ØḄ¬3Êᵨ,Ët¸ᑁËÊᵨʽcd¬3Êᵨ;p、t¸M®Êᵨʽcd¬3Êᵨ,ᐸᑖ⚗©ᦪt1.40;2p¬3ÊᵨḄË、M®Êᵨ、Ë、Ë、₹:、₹:、-`2₹:ᡈ3ú₹:,ᐸᑖ⚗©ᦪt1.40。5.2.5¬3ÊᵨḄáᔠ©ᦪ(%),¬0.90。5.2.6ÐÑᙠáᔠÊᵨvḄÎiឋᢙÛ©ᦪ,tᢥ⊤5.2.6i¶ᵨ。Ìo,ÇᢙËt12Êᵨ,p¬3ÊᵨNᔣ᥅IËätᐭ。ÇᢙË、ÛïËÂ⌚Ët¶ᵨ᪗0。⊤5.2.6deḄxqឋᢙzaᦪ({)ᜫÎᱯÎiឋᢙÛ©ᦪ(Ks)ᡈᜋ☢èjᜋ[+8Ûï1.30ᙢᑁIÛï(ᙊF☢Ûï)1.20Â⌚1.50"5.2.7:;Ë᩽▲¿᝱ÌḄÊᵨáᔠ§,tᢥ⊤5.2.7Ḅ•14• i¶ᵨ。⊤5.2.7ᢥsKg᩽▲v᝱DḄVᵨ~ᔠTUVᵨXYVᵨᑁoRpqO1ᑁ᜜■⍝cd⍝▬fᑁjkdJuvhR[ᑁ[l₹n₹nᡈst⚗QS[ῖᩞᧇ[ᩞᧇ[ᜓ[hihiVᵨiw1ᡈFqw₹nGwGi^2GsG4FwdFvFtxyiPF1VAVVVAzJ2VVVAVVVViᓝ|3VAVVV⍝1VsjAVVVV}~2s!AVVO:1pᢚÍ®Ìo,◀ᙠ̧3Ḅ“PᑁQ”᜜,~tÌᙠ“½¾ᑁQ”Ḅ§;2>ä◤Ì“PᑁQ”Ḅ§;3⊤“V”᪗ḄÊᵨ½ut§trÌḄ⚗A,“A”᪗ḄÊᵨtᢥᐹ8ᩩqbi¶ᵨ。5.3ᵨ᩽▲v᝱D5.3.1⍝ÓÐ、ÐÑᢥ<=ëᵨ᩽▲¿᝱Ìo,Êᵨᦔtt¶ᵨÊᵨ.⊤0Ì。5.3.2pu<=ëᵨ᩽▲¿᝱Ḅ⍝ÓᐸÐ,tᢥäj⌕,ᑖÕᢥÊᵨḄ50ᦔtḄ᪗áᔠᡈ¿0ᦔtḄ12áᔠ_.Ì,¢t3G、j´shᑴᐸÌ0,ᐸ0ätb;utḄi▲0。5.3.3p⍝ÓᐸÐ、ÐÑḄ3Ghᑴj´ª,tᢥ50ᦔtḄ᪗áᔠÊᵨÌ。50ᦔtḄ᪗áᔠ0,tᢥvbi:mwSs=T^CGiGik+CQiQik+9?cSCojQjk(5.3.3)i=1j=2•15• 5.3.4⍝ÓᐸÐ᪀、ÐÑḄj´V®,tᢥ¿0ᦔtḄ12áᔠÊᵨÌ。¿0ᦔtḄ12áᔠ0,tᢥvbi:mnSi=CoiGikCojcp^Qj^(5.3.4)ᢓ—c)Ú¬3ÊᵨḄ4120©ᦪ,tᢥc4.3⁚Ḅi¶ᵨ。5.3.5⍝ᢥ<=ëᵨ᩽▲¿᝱_.3GÌo,ᐸᨬᜧ3Gätb;c5.1.9ᩩḄi。16• 6ᑁËÌ6.16.1.1ᙠIᔣ₹:Ó>₹:Êᵨv,ḄËtᢥØ᪀q_.ᑁËÌ,äjÐGḄᑁËᢥ⊤6.1.1ḄÌ。,⊤6.1.1ᑁᨬᜧᑁËÌÐGÐÌhIᔣ₹:>₹:M—(⁽ᑗ/2lvlmaxg()Mmax=¥^XL1L4MÐÑK------k------Tvymax_()£(ÐH=M-()/2-^^maxg(iM)Mmax=¥dMÐÑ^z^dM╋Ñv_5()Z2maxg(iM)V"max=ygwZM=(^+9)Z2g(iM)Mmax=f4M╋Ñ___,(iM)Vmax=¥:1╋ÑᢣᵨḄ)*+ÐÑ;2a—a☢、b—b☢。⊤ᑡMmax—ᨬᜧ(N•mm);----ᨬᜧË(N);g----ᑖåឤ:0(N/mm);IᔣÊᵨឤ:0;17• q—ᑖå:0(N/mm);IᔣÊᵨ:0;I—>Ḅ(mm);gw——>₹:Êᵨ0(N/mm)。6.1.2ᙠᑁËÊᵨv,¦Ḅ§ᔣ¬ËᢥvÌ:N=Fwdr(6.1.2-1)Fwd-(Fw+0.5MPa)X1.4(6.1.2-2)N—¦Ḅ§ᔣ¬Ë(N/mm);Fwd----⍝ḄᑁË(N/mm2);r----ᑁP(mm)。6.1.3ᑁo,Ðᜐ¦§ᔣᨬᜧ3¬ᢥvᑡÐçÐᑖÕÌ:1Ð(6.1.3-1),ᐸÐᜐ¦§ᔣᨬᜧ¬ᢥvÌ:Mq^kRt(6.1.3-1)Me—Êᵨuп®%¦Ḅ§ᔣ(N•mm);R—ÐV®ḄIᔣË(N);k—Ðᜐ¦Ḅ§ᔣ©ᦪ,ᢥ⊤6.1.3-1¶ᵨ;r——ᑁP(mm)。6.1.3-1Ð18 ⊤6.1.3-1Ðᜐ¦§ᔣ©ᦪkPÃ45。60°75。90。Aä0.0300.01850.01200.0065Bä—0.0335—0.0150.00250.0175Cä0.0820.05350.0310.0175.:ß0½᜜⊤☢ج。2§Ð(6.1.3-2-a,b,c,d),ᐸÐᜐ¦§ᔣᨵᦔÌV®☢%ḄÌᑁË,¬ᢥvÌ:ЧR/2R/2(c)(d)631.3-2§ÐM0=kRr+/c4Hr(6.1.3-2)N0=/c2-R+ac5H+Fwdr(ah+6h+l.1(6.1.3-3)Tr=K3R+K,H(6.1.3-4)Me—ЧᨵᦔÌV®☢%Ḅ§ᔣ(N•mm);Ne—ЧᨵᦔÌV®☢%Ḅ§ᔣË(N);R—ÐᜐḄË(N);•19• H—ÐᜐḄ>Ë(N),H=/2tg0;Fwd——⍝ḄᑁË(MPa);r——ᑁP(mm);D—ᑁg(mm);ah—Ч£V®(mm);bh----Ч£[¤(mm);t—¦Ì»®(mm);^〜A——§ÐḄ§ᔣᑁË©ᦪ,ᢥ⊤6.1.3-2¶ᵨ。20 6.2ᢚ6.2.1ᢚᙠIᔣÊᵨv(6.2.1)ᐸᑁˬᢥvᑡÌ:1g「dMmiiniiiiiiiiiiiiiiiiiiiiiiii6.2.1ᢚᙠIᔣÊᵨvḄᑁËHa=Hb=agS.Jil+(4z1+5z*!+2)cos¨(6.2.1-1)MA=MB=z^—[_il—(3ii+l)cos<9](6.2.1-2)ª«《1MC=MD=—^^(20ᓝcosW(6.2.1-3)RA=RB=Ygsdi+2)(6.2.1-4)i—(6.2.1-5)^=2^+1(6.2.1-6)g=gfcosd(6.2.1-7)Ha、Hb—ÐH>xË(N),¬ᔣᑁ½<;Ma、Mb—ÐH(N•mm),ᑁNج½<;Mc、Md——⁚ä(N•mm),ᑁNج½<;Ra.Rb—IᔣË(N),¬ᔣ%½<;g,gC—Êᵨᙠ>¾、½¾ḄIᔣ₹:0(N/mm);•21 k、s—ᢚ>¾。½¾¶·¿®(mm);6—ᢚ½¾ÂÃ(®);ii——ᢚ>¾¿®Ã½¾¿®Ì;^—ᐰIᔣÊᵨḄᑁËÌlᦪ。6.2.2ᢚᙠ₹:、-`2₹:ᡈ3ú₹:(6.2.2)Êᵨv,ᐸᑁˬᢥvᑡÌ:1[!»11®®1_1®1®1®®|1®111®®11®1®1®®]1®Ḹ^6.2.2ᢚᙠ₹:、-`2₹:ᡈ3ú₹:ÊᵨvḄᑁËHa—Hb=+2ᢗÁ¿®(mm);"JL1~-ᓫN½¾ᙠIᔣÊᵨvᑁËÌlᦪ。6.2.4ᢚPᑁᐙᾢ(6.2.4),ᐸᑁˬᢥvᑡÌ:23 Illllllfllllllllll6.2.4ᢚᙠP¾ᑁÊᵨvḄᑁËHa=Hb=gs.[z"l+(4z"i+5z"i+2)cosg](6.2.4-1)0JU3sixiUjus=ii-16/Zi—8/iZ2)(6.2.4-2)OfJL2i.ghS-3z"i+l®i2l—I"、1®gC(z"i_/i+/i3/"6//1fj.2l83^il2/(6.2.4-3)hS-3A+1—(2Z—ZQ]®gl/z-!Zi+"3Z、-0//1h)(6.2.4-4)-1Z2(2Z—Zi)-,gl/2zi.44I-6^7(6.2.4-5)-1IZ2(2Z—Zi)-.gl/2z"imd=4^i"6//1fx2l83^1"3)(6.2.4-6)0_Ma—Mb,32,ghh,ghi2N.1—^Z—ᓝ#2+Iᓝ2Sd(6*2*4_7)(6%4_8) ᑁ—PIᔣÊᵨvᑁËÌlᦪ。6.2.5ᢚᙠ>₹:Êᵨv(6.2.5),ᐸᑁˬᢥvᑡÌ:/IhA1l//2IrIW2J/!IhL/7-----i-----tK6.2.5ᢚᙠ>₹:ÊᵨvḄᑁË=0(6.2.5~1)S2gw「-[12(z+1)+(3zid々w)cos<9]24(6.2.5-2)MyCA=Mym=-º(30-々w)cosd(6.2.5-3)^TcD=^DC=—24(30—)(6.2.5-4)Me=(6.2.5-5)Tac=—Tbd=MCDsin^(ACᐰᩚ)(6.2.5-6)Tcd^Tdc^O(6.2.5-7)i^=i^=+SgwG+2)(6.2.5-8)—z"i+3z?/^4+4(3ii+2)cos(9(6.2.5-9)_"41."4:=2+(6.2.5-10)os:25• l₹n(N/mm);Mca.Mdb——⁚C、D(N•mm),₹n ¡MyCD,Mlc—¢⁚ᜐC、D¢A(N•mm),₹n ¡¤;TAc,TbD——Ḅ§(N•mm),¨ᔠª«~ᑣ¡¬;Tcd.Tdc——¢Ḅ§(N•mm);K—¢VᵨO®ᦪ•’^—¢VᵨᑁiO®ᦪ;R—VᵨᙠAy²ᔣḄ´i;Rl—VᵨᙠBy²ᔣḄ´i。6.2.6dJVᵨµ,ᐸᑁiXᢥᑡ¹O:6.2.6ᢚᙠM®ÊᵨvḄᑁË(6.2.6-1)Ma=A^b=Kt(il+1)(6.2.6-2)(6.2.6-3)(6.2.6-4)Kt//iS2sin^I=f-XD~D^(6.2.6-5)º—d»(°C);26 at—ᩞḄz{©ᦪ(1/°C);E—ᩞḄøឋùd(N/mm2);I—☢Åឋ(mm4);fct----M®ÊᵨoᑁËÌ©ᦪ(N•mm);D,、D——᜜、ᑁg(mm)。6.36.3.1@ᙠIᔣÊᵨv(6.3.1),ᐸ@LᜐᑁˬᢥvᑡÌ。HAg=KHggRNAg=KNggRVAg^KyggRMAg=KMggR2RAg=VAgcos(p--NAg^nxË(N),¬ᔣᑁ½<;NAg—@LᜐᔣË(N),¬ᔣ?½<•’@LᜐË(N),¬p¼N☢,ᔣ%½<;p½N☢,ᔣv½<;27• MAg——@Lᜐ(N•mm),ᑁNج½<;Ras—@LᜐIᔣË(N),ᔣ%½<•’g—@%IᔣÊᵨ0(N/mm);R—@ᙊFP(mm);cp—@PᙊÐÃ;KHg、KNg、KVg、KMg—ᑁË©ᦪ(¡▬ÕA)。6.3.2@ᙠM®Êᵨv(6.3.2),ᐸ@LᜐᑁˬᢥvᑡÌ:6.3.2@ᙠM®Êᵨv@LᜐḄᑁË2.0X&tATIha,=KU(6.3.2-1)1♉22.0XfirtAT7nax~KNi(6.3.2-2)R22.0XEatATIVAt—Kyt(6.3.2-3)R22.0XEatATImat=KM(6.3.2-4)[RHAt——@Lᜐ>xË(N),¬ᔣᑁ½<;NAt—@LᜐᔣË(N),¬ᔣ?½<;VAt——@LᜐË(N),¬p¼N☢,ᔣ%½<;p½N☢,ᔣv½<;•28• MAt——@Lᜐ(N•mm),MᓣᑁNج½<;AT—M¥0(°C);—⍝Ḅz{©ᦪ(1/°C);I—☢Åឋ(mm4);KHt、KNt、KVt、KMt—ᑁË©ᦪ(¡▬ÕB)。6.3.3@Ḅ>₹:Êᵨv(6.3.3),ᐸ@LᜐᑁˬᢥvᑡÌ:6.3.3@@Ḅ>₹:Êᵨv@LᜐḄᑁË(6.3.3-1)Tak~KTwqwR2(6.3.3-2)yAw~KywqwR(6.3.3-3)M^vi----@Lᜐ(N*mm);Tak—@Lᜐ¤(N•mm);VL——@Lᜐ>Ë(N);—>₹0(N/mm);KMw、KTw、KVw、—ᑁË©ᦪ(¡▬ÕC)。6.3.4P¾ᑁÊᵨo(6.3.4),ᐸ@LᜐᑁˬᢥvᑡÌ:•29• 6.3.@ᙠP¾ᑁÊᵨv@LᜐḄᑁËMAg=Kmi,gR2(6.3.4-1)nag=KnagR(6.3.4-2)vAi,gR(6.3.4-3)MBg=Kml,gR2(6.3.4-4)NBlg=KnhgR(6.3.4-5)Vb(,gR(6.3.4-6)i^Ag=VAgcosxË(N),¬ᔣᑁ½<;-^ma>K"mb、6"na、6"nb、■^va、"vb-ᑁË©ᦪ(¡▬ÕD)。•30 7Í®Ì7.1Ì´ᑣ7.1.1᪀Ḅ¦Í®Ì,tv⌕:7o^rd9tᡈÐH☢½Ì☢,p╋ÑMÐHtᑖÕÌ4Ú☢,ᓽÐHᜐ☢ÓÄÐH½0.55VDiᜐ☢[⊤6.1.1(a)-(a)、(b)-(b)☢];ᢚt⁚äᜐ☢、ÐHᜐ☢ÓÄÐH½0.55#ᜐ☢½Ì☢[6.2.1(a)-(a)、(b)-(b)☢];@tÐH☢ÓÄÐH½0.55^ᜐ☢½Ì☢[⊤6.3.2(a)-(a)、(b)-(b)☢]。>、ᢚ@tᢥÊᵨᦔtáᔠ,ᑖÕ_.Í®Ì。7.1.4Í®Ìo,ᢚᙠIᔣÊᵨ、M®ÊᵨvḄtw¸•31• Mx=97mSMz-(7.1.4-1)Vm=ENca+N;(7.h4"2)—^VcNw=nr2Fwd(1—cos)(7.1.4-3)Fc=(^)2EJ(7.1.4-4)Mx—IᔣÊᵨ、M®Êᵨv,ὃ⇋ᔣËÁgḄáᔠ(N•mm);—IᔣÊᵨ、M®Êᵨv,Ì☢ᜐ®Ḅáᔠ(N•mm);rjm—Æᜧ©ᦪ,d9rjmätu1.0;ENca——<=:.¦§、½¾⁚äCᜐḄáᔠᔣË(N);Nw——ᑁËᙠ⍝ᢚᜐḄᔣ¬Ë(N);Fwd---ᑁË(N/mm2);Fc—½¾ᜫÎË(N);^~dᢚḄ½¾ÎiÌlᦪ,ᢥ⊤7.1.4bi。⊤7.1.4ᢚ Ḅ xqDaᦪ(^)30。45。60。1.82.07711.96311.98661.92.07611.95971.97352.02.07411.95701.96242.12.07411.95701.96172.22.07411.95411.94232.32.07411.95011.93282.42.07411.94891.92242.52.07411.94731.911232• ⊤7.1.4X30。45。60。X30。45。60。2.62.07411.94331.89993.91.88211.75571.65412.72.07411.93991.88934.01.85201.73081.62912.82.07111.93331.87404.21.77651.68011.57892.92.06811.92541.86004.41.72831.62751.52853.02.06011.91541.84534.61.66801.57501.47793.12.05101.90581.82684.81.61021.52301.42893.22.04111.89291.80865.01.55491.47321.38113.32.02501.87731.78905.21.50281.42511.33513.42.00801.86301.76885.51.42981.35721.26963.51.98811.84311.74786.01.32121.25441.70503.61.96411.82331.72626.51.22691.16441.08313.71.93901.80261.70227.01.14491.08541.00663.81.91111.78001.6784:^dᢚ>¾¿®Ã½¾¿®Ì;(9dᢚ½¾ÂÃ。7.27.2.1ÐHᜐ,¦ᵫᑁË®Ḅ§ᔣ¬tËÓÐᜐ§ᔣ¯tË,tᢥvᑡÌ:HFw+<(7.2.1-1)^=(7.2.1-2)<=W,(7.2.1-3)cd----ÐHᜐ¦§ᔣ¬tË(N/mm2);ᑁË®Ḅ§ᔣ¬tË(N/mm2);<—ÐᜐḄ§ᔣ¯tË(N/mm2);•33 -ḄᑁË(N/mm2);-ᑁP(mm);t----¦Ì»®(mm);M0——-ÐḄ¦§ᔣᡈ§ÐḄᨵᦔÌV®¦☢§ᔣ(N•mm);—ÐḄ¦☢Çᢙᡈ§ÐḄᨵᦔÌV®¦☢Çᢙ(mm3)。7.2.2¦ᔣtËtᵫIᔣÊᵨv®Ḅ¯tË、ᑁᔣ®Ḅᔣ¬tË、M®Êᵨv®ḄM®tËÃÐH᥅Ç®Ḅ᥅ÇtËÈZᑖáᡂ,ᐸtË0ᑖÕ¬ᢥvᑡÌ:1IᔣÊᵨv,Ì☢Ḅ¦ᔣ¯tË:<(7.2.2-1)4—¦ᔣ¯tË(N/mm2);M^Ì☢Ḅ(N•mm);W——☢ḄÇᢙ(mm3)。2ᑁËÊᵨv,ä>?³ᜮ,94M½è³o,¦®Ḅᔣ¬tË:=^(7.2.2-2)A=^(D!-D2)(7.2.2-3)#II-¦ᔣ¬tË(N/mm2)iNHAAD-ᑁË®ḄᔣË(N),iVH=7rr2Fw(1—cos);1-¦☢☢È(mm2);-1-᜜g(mm);-ᑁg(mm)。ØM¥Êᵨ,ä>?³ᜮoḄM®tË(Ò4M½ è³,9ᨵÊ¿o,¬M®tËᢚÂ0.5):(j^atE/^t(7.2.2-4)<—M®tË(N/mm2);at——ᩞz{©ᦪ(1/°C);ᓃ—M¥0(°C)。4%Ë>?³ᜮ,ÃᐸÐ᥅ÇËᡠ®Ḅᔣ᥅ÇtË:fx=[(7.2.2-5)4----ÐᜐḄ᥅ÇtË(N/mm2);R—ᚖg₹:ᙠÐᜐ®ḄË(N)•’tx—ÃÐḄ᥅Ç©ᦪ;Aa——ÃгÍᜐḄÌ☢È(mm2)。7.2.3ᙠIᔣÊᵨᡈ>Êᵨv,¦☢®>ᙳtËᨬᜧtˬᑖÕᢥvᑡÌ:1¦☢>ᙳtË:rb=^(7.2.3-1)rb—¦☢>ᙳtË(N/mm2);V——Ì☢ᜐḄË(N)。2¦☢ᜐᨬᜧtË:_^max*^0__^max__2VfqcqOrmax^jt(7.2.3-2)rmax—¦☢ᨬᜧtË(N/mm2);Vmax—Ì☢ᜐḄᨬᜧË(N);So—ÌtËᜐ¸᜜Ḅ☢pḄ☢È(mm3)07.2.4¶ᵨ§Ðo,aЧḄÎÏᦔt,tÌÐЧᜐᵫᑁË®Ḅ¦ᑁ᜜☢kZᔣtË7a,¬ᢥ•35• vÌ:crk=C1.82/?cr『w(7.2.4-1)R=Fk-^(7.2.4-2)F+l.56t—ᑁË®¦Ḅ§ᔣ¬tË(N/mm2);^^§Ð§upÓ®Ág©ᦪ;F—§Ð§Ḅ¤☢È(mm2)。7.3ᢚ7.3.1ᢚÌÄÐH0.5575?¸᜜Ḅ¦,ᵫᑁË®Ḅ§ᔣ¬tË,¬ᢥvÌ:=^(7.3.1)—¦§ᔣ¬tË(N/mm2)。7.3.2ᢚÌ☢ᜐ¦ᔣtË,tᢥvᑡÌ:_N,M(7.3.2-1)〜=ACWN=SN{(7.3.2-2)M=v/Mi+Mj(7.3.2-3)〜----¦ᔣtË(N/mm2);N—Ì☢ᜐḄᔣË(N);SN,——Ì☢ᜐḄáᔠᔣË(N);Mx—Iᔣ₹:、M®Êᵨv,Ì☢ᜐḄ>☢ᑁ(N•mm)¬ᢥ(7.1.4-1)Ì;My—>₹:Êᵨv,Ì☢ᜐḄ>☢᜜(N•mm)。7.3.3ᢚÌ☢ᜐḄtˬ>ᙳtËäËtËÿ,ᐸ0¬ᢥvᑡÌ:-=(7.3.3-1)•36• v=Vvi+W(7.3.3-2)Vx=EV,(7.3.3-3)rb—¦☢ḄtË(N/mm2);V——Ì☢ᜐḄᔠᡂË(N);Vx—IᔣÊᵨ、M®Êᵨv,Ì☢ᜐḄË(N);SV,——IᔣÊᵨ、M®Êᵨv,Ì☢ᜐḄáᔠË(N);,T—>₹:Êᵨv,Ì☢ᜐḄ¤(N•mm)。7.3.4ᢚÐHᜐ,ᵫᑁË®Ḅ¦ᑁ⊤☢kZᔣtË,¬ᢥvÌ:^x=1.824w(7.3.4)----¦ᑁ⊤☢kZᔣtË(N/mm2)。7.47.4.1ÌÄÐH0.55#¸᜜Ḅ@¦,ᵫᑁË®Ḅ§ᔣ¬tË,¬ᢥvÌ:A----¦Ḅ§ᔣ¬tË(N/mm2)。7.4.2@Ì☢ᜐḄ¦ᔣtË,¬ᢥvᑡÌ:(7.4.2-1)axA~WN=EN{(7.4.2-2)(7.4.2-3)(Tx----¦ᔣtË(N/mm2);—Ì☢ᜐḄáᔠᔣË(N)2MX——Iᔣ₹:、M®Êᵨv,Ì☢ᜐ>☢ᑁ(N•mm);37• Myi——>₹:Êᵨv,Ì☢ᜐ>☢᜜(N•mm)07.4.3@Ì☢ᜐḄtË,¬>ᙳtËäËtËÿ,ᐸ0¬ᢥvᑡÌ:^=£n+2^t(…1)yVx+Vy(7.4.3-2)rb—¦☢tË(N/mm2);V——Ì☢ᜐḄᔠᡂË(N)。7.4.4@ÐHᜐ,ᵫᑁË®Ḅ¦ᑁ⊤☢kZᔣtËÕ¬ᢥ(7.3.4)Ìbi。•38• 8ÎiÌ8.18.1.1>8§ᔣøឋÎi,í¸¦»®ÊᢙËc。ÒÖ"¦»®äZo,½ÖÍḄÓ®,׬ᔣË"ا(8.1.1),"ا[lQ¬ᢥ⊤8.1.10。Ú55^«P.55jy(a)"اåË(b)"اᨵᦔÌ¿®8.1.1"ا*8.1.1ᔣ ¡(Z。)¦»®(mm)(m)681012141618201.0101.5610162.081018252.5681220263.046101318243.534610131825•39• 8.1.2"اḄËtvi:PCI>2FW(8.1.2-1)(8.1.2-2)—"اḄË(N/mm2);/k—"Øsᦔ☢pᐸGÐḄÅឋ(mm4);lo----"اḄ[(mm);—ᑮsᦔ☢GÐḄÄ(mm);E—ᩞḄøឋùd(N/mm2);Fv——⍝ḄË᪗0(N/mm2)。8.2ᢚ8.2.1ᢚḄÎiឋÌtÙvᑡᑁÆ:1Ig₹:Êᵨv,½¾Ó>¾>☢ᑁÐØḄÎi;2>₹:Êᵨv,ᢚᙠIᔣ₹:Êᵨ>☢ᑁḄÎi。8.2.2ᢚḄ½¾>¾ᢚÌ¿®、¿ÍÌ,¬ᢥvᑡÌ:½¾ᢚÌ¿®:lo=psS(8.2.2-1)>¾ᢚÌ¿®:UH2(8.2.2-2)¿ÍÌ:A=%(8.2.2-3)nr-=^^D+D2(8.2.2-4)lo—ᢚ¾ᢚÌ¿®(mm);tu—½ḄᢚÌ¿®©ᦪ,¬ᢥ⊤8.2.2bi;A——ᢚḄ¿ÍÌ;n——☢ḄÊËP(mm);S、l2—ᢚḄ½¾、>¾Ḅ¿®(mm)。•40 ⊤8.2.2ᢚḄ½¾ᢚÌ¿®©ᦪ(mJX30°45°60。X30。45。60。1.01.27081.37541.34783.11.53171.64801.71971.11,33681.44401.40183.21.53921.65971.73701.21.39401.49311.46233.31.55141.67351.75611.31.43191.52901.49673.41.56451.68631.77611.41.46121.56091.52213.51.58021.70451.79751.51.48321.57961.54463.61.59951.72301.81991.61.49741.58931.56253.71.62021.74281.84561.71.50671.59551.57203.81.64391.76491.87181.81.51251.60031.58143.91.66921.78941.89931.91.51321.60311.59194.01.69631.81511.9284>2.01.51471.60531.60094.21.76841.86991.98972.11.51471.60531.60154.41.81771.93032.05532.21.51471.60771.61754.61.88341.99462.12572.31.51471.61101.62544.81.95102.06272.19862.41.51471.61201.63425.02.02042.13252.27472.51.51471.61331.64435.22.09052.20442.35312.61.51471.61661.65365.52.19732.31472.47442.71.51471.61951.66286.02.37782.50442.68402.81.51691.62501.67646.52.56052.69802.90052.91.51911.63161.68907.02.74412.89443.12113.01.52501.64021.70258.2.3ᢚḄ½¾、>¾ᙠIᔣ₹:Êᵨv,¾>☢ᑁᢥÐØ᪀qÌḄÎi,¬ᢥvÌ:«+ḹ₹:Êᵨv,ᐸ>☢ᑁḄÎi¬ᢥvÌ:My☢ᑁḄ(N•mm);->₹:Êᵨv,>☢᜜Ḅ@L(N•mm);T—½¾¤;MEy—>₹:Êᵨv,ᢚ¤3G(N•mm);Zi——ᢚ¿®,A=2S+Z2。8.38.3.1@ᙠIᔣ、>ᔣáᔠÊᵨv,p>☢᜜ḄÎiឋÌtvᑡ⌕:(8.3.1-1)ÒupЩᦪ^>4o:NAIª+(8.3.1-2)(Pm/ÒupЩᦪo:N(8.3.1-3)A180,<•42• -A<180,^m=l-0.004A;e—©ᦪ。Ò0100o,f=0.75;150o,7l=l.0。8.3.3@Òd¿ÍÌA,¬ᢥvÌ:A——~(8.3.3-1)ᔆi(8.3.3-2)S0—@ÒdÌ¿®(mm);n——@☢ḄÊËP+Ks—@☢Ḅ¤Ó®Ì,K=EJ/GJP=1.3(G½ᩞḄ3ùd,½☢Ḅᢙ¤Åឋ)。⊤8.3.1 §¨©ª«sg¬aᦪ®A—SoAi0.100.250.500.751.001.251.501.752.002.503.003.504.0000.960.920.850.780.720.670.620.580.540.470.420.370.33200.950.390.800.730.670.620.580.540.500.440.390.350.32300.940.870.770.700.640.590.550.510.480.420.370.330.36400.920.850.740.670.610.560.520.480.450.400.350.320.29500.890.820.710.630.570.530.490.460.430.380.340.300.27•43• `⊤8.3.1ASo.1I0.100.250.500.751.001.251.501.752.002.503.003.504.00600.860.790.670.600.540.500.460.430.400.350.320.290.26700.810.750.630.560.500.460.430.400.380.330.300.270.25800.750.700.590.520.470.430.400.370.350.310.280.260.24900.690.650.550.480.440.400.370.350.330.300.270.240.221000.600.590.500.450.400.370.350.320.300.270.250.230.211100.520.520.460.410.370.340.320.300.290.260.230.220.201200.450.450.420.370.340.320.300.280.260.240.220.200.191300.400.400.380.340.310.290.270.260.250.230.210.190.171400.360.360.340.310.290.270.250.240.230.210.200.180.171500.320.320.300.270.260.250.230.220.210.200.180.170.161600.290.290.270.260.240.230.220.210.200.180.170.160.151700.260.260.250.240.220.210.200.190.180.170.160.150.141800.230.230.230.220.200.200.180.180.170.160.150.140.131900.210.210.210.200.190.180.170.170.160.150.140.130.132000.190.190.190.180.170.170.160.150.150.140.130.120.122100.170.170.170.160.150.150.1450.1350.1350.1250.120.110.112200.1550.1550.1550.150.140.140.130.1250.1250.1150.110.100.102300.140.140.140.1350.130.130.120.1150.1050.1050.0980.0900.0902400.130.130.130.1250.120.120.110.1050.1050.0070.0900.0830.0832500.120.120.120.1150.110.110.100.0960.0960.0900.0830.0770.0772600.110.110.110.1050.100.100.0950.0880.0880.0830.0770.0700.0702700.100.100.100.0980.0900.0900.0870.0800.0800.0770.0700.0650.0652800.0970.0970.0970.0900.0850.0850.0800.0750.0750.0700.0650.0600.0602900.090.090.090.0850.0800.0800.0750.0700.0700.0600.0600.0550.0553000.0850.0850.0850.0800.0750.0750.0700.0650.0650.0600.0550.0500.05044• 9ᢰ®Ì9.0.1ᚖg₹:ÊᵨvḄ>,tᢥäjḄÐᩩq_.ᢰ®Ì。äjÐGḄᢰ®ÌÓᐕÝᢰ®0¬ᢥ⊤9.0.1¶ᵨ。⊤9.0.1ᢰN°±ᐕ³ᢰNOÐGÐÌhᢰ®ᐕÝᢰ®05(gk+gk)Z4I4MÐÑI384EI250^dMÐÑ0.00542(gk+gk)Z4IX..............^El250dM╋Ñ^^Cgk^~qOlAI4M╋Ñ^-------------1384EI250^------l-------^⊤gk----ᑖåឤ₹:᪗0(N/mm);qk----ᑖå₹:(N/mm)。9.0.2ᢚᐰᙠIᔣÊᵨv,ᐸᢰ®¬ᢥvÌ,¢tc5.1.9ᩩḄi:Wy。—Iᔣ₹:᪗0ÊᵨvḄᢰ®(mm);SMck—Iᔣ₹:᪗0Êᵨv⁚äCḄáᔠ(N•mm)0•45• 10ÐÑ10.1opq10.1.1᪀ḄÐÑG¬ᑖ½QËÐD。QËÐÑt¶ᵨÓឋẠ;ÐDÐѬ¶ᵨ᡽ßẠ、ὶᔠẠ。Òᜩᯠᙢä;Ạ:ËᐕÝát0o,¬¶ᵨ᫕Ạ、áãẠs。10.1.2QËÐѬ¶ᵨä8᪀ᡈ)*+᪀。¶ᵨä8᪀o,ᐸåᩞÍ®sãätåuMU30,Ẉä8Í®sãätåuMU20,ṺèÍ®sãätåuM10;¶ᵨ)*+᪀o,)*+Í®sãätåuC20。ÐDÐÑt¶ᵨ()*+᪀,)*+Í®sãätåuC25。pᨬ&ᨴ>ᙳ(Måud3°CḄᙢ?,ÐÑät¶ᵨẈẘ8,)*+ḄᢙsãätåuF200。10.1.3ÐÑẠË®t%ᔠvᑡi:1ËᙠBKᑵ、B{+ḄÐÑ,Ë®tᙠᜩᯠᙢ☢ᡈHéväêu1.0m;2Ëᙠ{+ḄÐÑ,Ë®tᙠ{väu0.3m,9ätêuᜩᯠᙢ☢ᡈHév1.Om;3ËᙠᨵKᑵḄHéḄÐÑ,Ë®tᙠKᑵ®¸v,¢äu⊤10.1.3Ḅi0:⊤10.1.3´µᨬ·¸¹ºNÁᑵÃÄJ᝖m)h=00<Æ<55☢þ3ᜐt_.ᑗÍ®Ì,pNÑ~t_.ᢙÛÎiÌ。10.2.2#uឋᙢ%ḄÐÑ,ḄᡲËÌ,t%ᔠvᑡi:1ÌÎio,tᢥ¬;ªḄᨬÏ#Ì。ᨬÏ#JẠ☢ḄÄʽÌ#Ï®;2ÌᙢtËo,tᨬå#oḄËᡈäḄË。10.2.3Ñý᪀Ìh¬ᢥvMi、%MᵫḄᓫᔣᡈᔣÐØ᪀qÌ。10.2.4ÊᵨᙠÐÑ%ḄNᔣ+Ë,tᢥï+ËÌ。10.2.5Ạ☢Ð,t%ᔠvᑡi:ᔣÐØo:-+X<1(10.2.5-1)a0oᓫᔣÐØo:—(10.2.5-2)a0•47• 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K=^^++=16.437kN(4)ᢚPᑁᐙoᑁËÌ:11Túû1ûúûûú1.d16/•Z1-8Z1Z2)=-0.0790/^2^Ha=Hb=gS,_i+(4z"i+5z"i+2)cos<9]=106.52kN0^3sine/a/t—gASrSzi+l|"2Z—(2Z—IgllIil+//3^Ma----------—zMj4LOjUl[12I~§~1L~~T2—y=78.173kN•mM—gZltS「3A+1—⑵dA)-ᓝgC(ix®h+//3b4L6juifi21」8Sjuli=88.037kN•mghSᔆ14(2/-/:)!—ᡂI-103.4kNMe_6//i"2Z2_8":N+"3)_ghS「1gHI(2z*i_6^1fJL2I2_8®Ma—MbR,Mb—Ma11/21gllU,,gl_±rqnUMR^=—r~+Ugh+-2T+2W~45*541kN(5)ᢚᙠ>₹:ÊᵨvḄᑁËÌ:•61• /“|1/2AW2..ALhI>Jf----I----^"4=2+|^|sin2=2.304^=^+3^4+4(3^+2)005^16^139Z1ᓝ"4/?2=1.45/jts=1.5juz=1.0vuQ=0.6kN/m2^=(32•"s•"z•w0=l.305kN/m2gw=l.4•wk•D:=1.898kN/mHa—=0Ma=Mvb=—^[12(zi+1)+(3zi—Kw)cos(9]=-146.173kN•mMgA—5^(30—Kw)cosO=0.343kN•mMcd~A^dc~—2^W(30—Kw)—0.485kN•mMe=^|^Kw=59.533kN•mTac=—Tbd—AlcDsin^—0.343kN•mRyA=RyB=YSqwG+2)=27.936kN62 (6)ᢚᙠM®ÊᵨoᑁËÌ:at~1.2X106E=2.06X105N/mm2A᳘=30C1==(—D4)=4.279X10_3m4b4Kt=3EI]lai^=13.064kN•m/jiiSsmdHA=HB=^^Kt=ll.66kNMA=MB=Kt(ft+l)=4:3.241kN•mMC=MD=—Kt=—13.064kN•m2Í®Ì:(1)Ì☢ᜐ¦§ᔣ¬tËÌ:r=-|-D=509.5mm,(D「D)_t=---^---—10mmFwd^=lN/mm2cr『w=r^wd=50.95N/mm2(2)Ì☢ᜐ¦ᔣtËÌ:N=SNi=289.091kN Fc=(^yEI=7.187X104kNNw=Tir2Fwd(l—cos^)=238.862kN"SiVi+N;^1,007FcMx=7]mJ^Mi=—298.993kN•mMy=y(M^a-^a2+Tic2)=—0.071kN•M==289.993kN•mA=^(Dl~D2)233X104mm2W=^r-(Dt-D4)=8.237X106mm2Ou±J〜A—Waxl=45.242N/mm2^=-27.357N/mm2(3)Ì☢ᜐḄ>ᙳtËÌ:Vca=—Hasin0=~8.245kNVx=2%=—116.605kNVy=Rl=27.936kNv/y[+y^=ll9.904kNrb=ä+^r3.767NAnm2Í®Ì:/=215N/mm2ft=0.9/=193.5N/mm2g=g+(Tx—cr0crx+3rb=48.788N/mm2^/t⌕。 3}~O:(1)ᢚᙠþÿ₹nVᵨ¢☢ᑁḄ}~O:r=JDD2~0.364m"s=1.6111lo=Sjus=ll.003mA~~=30.242n☢ᑁ@ᙳåḄᚖg₹:qs=7sfWl-D2)=l.679kN/mgw=7wj(D-2mm)2=2.884kN/m9i=D2X2kN/m2=l.26kN/m2qt=0.5kN/mq1=l.2(qs+qt)-~l.27qw=6.278kN/m=1.4gi=l.764kN/mq=qi+g2—8.042kN/m (2)ᚖgu@>☢@ᙳåÊᵨḄᙳå₹:(₹:):w0=0.35kN/m2J3Z=1.0jus=0.7"z=l.1P=l.4^zjusjuzzv0D2=0.238kN/m(3)M®3ᓄ:~30C2.ᑁËÌ:(1)ᵫ@Ḅᙳåᚖg₹:Êᵨ,ᙠ@Sᜐ®ḄᑁË:KUg=0.941HAg=KUggR=340.541kNKNg=l.139NAg=KNggR=^12.196kNKVg=—0.050V^Ag~-^VggR=—18.095kN68• i^Mg~0.003MAg=KMg^R2=48.8561kN•mRAg=VAgcos(p+NAgsin(p=232,484kN(2)ᵫM®3ᓄᙠ@Sᜐ®ḄᑁË:KHt=129.814HAt=KHt2m°EalAT*J=8.815kNR2Km=103.851NM=KNt~°Ea:AT*J=7.252kNR2KVt=77.8882.0EatAT•InonlXTVAt=KVt-----=------=5.289kNR2KMt=17.1877v/rrz2.0Eat^T•I,MAt=Kmu~----=-----=52.52kN•mR(3)@NᔣḄ>ᙳå₹:Êᵨv,ᙠ@Sᜐ®Ḅ•69• KMw=—0.149MyAW=KMvfqyrR2=72kN•mKTw=—0.005TAK=KTWqwR2=—2.407kNvmKVw=0.644VAw=KVwqwÂ=6.889kN(4)@PÊᵨᙳå:Êᵨv,¼½@SᜐᑁËÌ(a)ឤ:ÊᵨvᑁËÌ:q1=1.2(qs+qt)=2.615kN/mHql=KHqqiR=110.734kN70• A/qi—134.034kNyql=iCVq^i^=-5.884kNALq2R—36.291kNKmb=0.025MB=KMBq2R2=293.725kN•mKnb=0.446NB=KNBq2R=116.446kNKvb=0.189VB=KYBq2R=4:9.346kN(c)U"3ḄᑁË:~Alqi+A^a=—230.842kN•mMB=Mql+MB=309.611kN•mNA=Nql+NA=3U.707kNNB=Nql+NB=250,48kNVa=VqiH-Va~30.407kNVB=Vql+VB=43.462kNRa—Vacos^+NAsin^=213.15kN71• =—VBcospᓝiVBsinp=115.518kNHA=NAcos(p—yAsin^)=233.521kNHb=NBcos9+yBsin^=226.461kN3Í®᪥᪶:(1)₹:ÊᵨvÍ®᪥᪶:(a)ᔣtËcrx:N=2^=419.248kNM=v/SAfi+M2^=124.18kN•m_N,Max~A~Wcrxi=63.651N/mm2(Tx2=—20.464N/mm2(b)§ᔣ¬tËcx0:DFj%=^^=27.36N/mm2(c)tË:y=yv2xi+y^=i4.54ikNr=^+2^=0-348N/mm2(d)ᢚÌtË:(jQ=Jg+<7x—<7o<7x+3r2—55.308N/mm2^/s(2)P₹:Êᵨv¼ÐHÍ®᪥᪶:(a)ᔣtË(jx:N=SNi=314.707kNM=72^+^=241.727kN•m_NhMax=ACW4(b)@ÎiឋÌtËCT。:e=0.754(b)@ÎiឋÌtËCT。:6=0.75cpm—1—0.004A=0.432A=᷾(f+W)=95.772N/mm2...................................................(89)6.2ᢚ...................................................(90)6.3@...................................................(92)7zJO................................................(93)7.1Ì´ᑣ..............................................(93)7.3ᢚ...................................................(93)7.4@...................................................(94)8}~O...............................................................................(96)•79• 8.2ᢚ...................................................(96)9ᢰJO................................................................................(97)10CD..................................................................................(98)10.1d9i...............................................(98)10.2ÐÑÌ..............................................(99)11×᪀⌼oR⌕..........................................................(101)11.1d9i..............................................(101)11.2⍝ÐH..............................................(101)11.3⍝ªBC2D....................................(102)▬EᢚO⚪.................•...................................…(103)▬F¼O⚪...............................................................(104)•80 1&ᑣ1.0.1ᩩ▊ó᪀⍳iḄ´ᑣ,ᑗWXḄᢈZ([。1.0.3ᑴi©⍳᯿ª.᪗《«᪀¬☠®hd᪗》GB50068《᪀¬☠®hd᪗》GB50153iḄ´ᑣ,¢ᢥ᯿ª.᪗《᣸⍝᪀》GB50332i,ᙠ᪀%¶ᵨ¸ᭆ᳛ᳮ¼½ẠḄ᩽▲¿᝱ÁÂ。1.0.4ᩩóbÃᐸ#Ḅᐵ©,pu⍝᪀Ḅ¬☠®᪗、₹:᪗、᪀q☢ÌᙢẠs,ᙳᢥª.uᐵ᪗᡻.。᝞《«᪀₹:》GB50009、《᪀》GB50017、《)*+᪀》GB50010、《ä8᪀》GB50003、《«ᙢẠ》GB50007s。jpdkᱯil⚪ÊV⊡ᐙi,¸bc᪀,wᑮᢈᐜ_、`ᐰ〉ᵨ、bc&dḄA᪗。T᜜,ᩩóbVᏔᯠÊᵨᡈ⌼ᙠᱯ}ᙢḄᨵᱯ}⌕Ḅ᪀,᝞ᙢ◫?、M◍ឋy+ᙢ?、z{+ᙢ?s,t⍳᯿ª.uᐵ᪗᡻.,äQm<ᐭ。81 2⌕¨2.0.1〜2.0.3~ ᪀Ḅ⌕¨,ÚᦻÖ¨¡,ᢥᦻÖ᣸ᑡ,⊤⍝ ᪀"ḄVᵨ、Vᵨᦔ、!"®ᦪ#O®ᦪ$ᱥᳮᭆ(。⌕¨~,)ᢥᑡÜᑣ:•1ᢥ᯿+,-.᪗à《12 ᪀34¨᪗à》GB/T50083Ḅ~;26ᐵ᪗à89ᵨḄ¨,◀;<=ᱯ?¨@VA᦮᜜,ÜᑣᙳÿDEᵨ。•82• 3ᩞᧇ3.1ᩞC᪗23.1.1ᩩiVᵨu᪀ÓᐸÐḄᩞ,Í®sãd9ᙳt¶ᵨQ235,n¬²ឋÁ☢ὃ⇋í¶ᵨQ235AḄ╋☟,ᐸËoឋ;Óᓄoᡂᑖs&d᪗,t%ᔠª.᪗《æç᪀》GB/T700i。3.1.2ᩩiV᪀è³²³ᩞᧇḄ&d⌕,¸c᪀Ḅè³ᩞᧇÍ®ᢣ᪗äåupᩞḄuᐵᢣ᪗。3.3L3.3.1〜3.3.4ᩩᦻiV()*+ÐÑḄ(,t¶ᵨ(HPB235,HRB335,¢ᢥª.᪗《)*+᪀》GB50010,iV(Í®0Óøឋùd。3.4STU3.4.1〜3.4.6ᩩᦻiV᪀Ḅ()*+ÐÑḄ)*+,tᢥª.᪗《)*+᪀》GB50010Ḅi,ób)*+Í®、3ùd、àýÌÓ{©ᦪs。3.4.7ᩩi)*+ÐÑä$"ʽ■、!᜜"ᑺ,ᔲᑣ,Gᡂᓄᱥrs,ëᐸtᵯឋÖÍ,"GVᵯᓄoῖ⇨,QÁgÐÑ᪀ḄὊ2ឋ。p◤¶ᵨᐸ#᜜"ᑺ,t%ᔠ《)*+᜜"ᑺtᵨᢈ》GB50119Ḅi。ãbiᐸ〉ᵨឋÓutḄ$ᐭd。3.4.8ᩩᢥ᯿ª.᪗《᣸᪀«ᱥ᪀》GB50069,iV)*+ᢙsã,¸■+⍝᪀ÐÑḄ)*+,aᢙä¨⏍j,Ágᐸ`ᐰëᵨ。•83• 4 ᪀ḄVᵨ4.1VᵨᑖYZVᵨ[⊤O4.1.1ᩩp᪀=⍗ᑮḄᔜ⚗Êᵨ,ᢥᐸឋ&ªḄᩩq,óbiᑖ½12Êᵨ、¬3ÊᵨᏔᯠÊᵨ,-。ᩩᦻ⌕p12Êᵨ、¬3ÊᵨᏔᯠÊᵨḄᐹ8₹:ᑁÆÊVi。M®3ᓄᑡ½¬3Êᵨ,M®p᪀[³Êᵨ。ᙢ◫Ëᑡ½ᏔᯠÊᵨ,äὃ⇋ᙢ◫Êᵨ。4.1.2ᩩóbiV┐päjḄÊᵨ,᝞·biÊᵨ.⊤0。4.2]Vᵨ᪗2O4.2.1,4.2.2ᩩᦻiV12Êᵨ᪗0、utᑡ᪀Q、12ឋ▬0-ḄÌÁÂ᜜,jitᢥª.᪗《᣸᪀«ᱥ᪀》GB50069,_.ÐÑ+ËÌ。4.3^_Vᵨ᪗2O、2]Oaᦪ4.3.1¬3ÊᵨḄ₹:、₹:᪗0sḄbi,ᙳᢥª.᪗《«᪀₹:》GB50009i¶ᵨ。4.3.2ᩩi¬3Êᵨv,᪀ḄᑁË(Fwd)Ḅ᪗0,¢l᯿´《᣸᪀》GBJ69—84⍝"0.5MPaḄ´ᑣ,ᓽtᢥ⍝:.ḄÊᑁËFw"0.5MPa,9äu0.9MPa¶ᵨ,utḄ120©ᦪ½0.7,¬3Êᵨ120äu⍝ÊᑁË。•84• 4.3.3ᩩiVËᙠ:.;,¬;ªḄË(FA),ᐸ᪗0½0.05MPa,utḄ120©ᦪ¬0。ᵫuᐸᔊox5,aT,ᙠÌ¿0Êᵨᦔto,¬ärᐭ。4.3.4.4.3.5ᩩᦻóbi²³、F³ᡈᰚ³è³Ḅ᪀,ÒB(Mᧇo,ᐸ@ᔠM¥¬ᢥᙢ?Ḅ(Mᩩq¶ᵨ:1pᨬ&ᨴ>ᙳ(Mäåud5°Cᙢ?,¬¶ᵨ±25°C。2pᨬ&ᨴ>ᙳ(Måud5°Cᙢ?,¬¶ᵨ±30°C。a᪀Ã/᯿Ágᨵᐵ,ᐸutḄ120©ᦪ¬0.5。4.3.7.4.3.8ᩩᦻiVÊᵨᙠÐÑ%ḄË,ᐸ᪗0ÌÓ12ឋ©ᦪ0。4.3.9.4.3.10ᩩᦻiVH⍝ᑁËÌ,tᢥQḄIg½ÊᵨuÐÑÁᔣᑖÕ_.Ì。ËḄ12©ᦪ,◀Xᓅᙢ?OᶢᓅZᙢ?¬0.5᜜,ᐸ#ᙢ?ᙳ¬0。4.4ᏔᯠVᵨ᪗2O、2]Oaᦪ4.4.1ᩩi ᱥpÐÑḄ¢£ËÌ,ᱥt_.H⍝Ẇbi。ᐸ¢£o[,ÒB▭ᧇo,¬Ꮇi£=ls0•85 5×~5.1opq5.1.1ᩩᦻ▊óᢥ᯿ª.᪗《᪀¬☠®hd᪗》GB50153《«᪀¬☠®hd᪗》GB50068iḄ´ᑣ,¶ᵨ¸ᭆ᳛ᳮ¼½ẠḄ᩽▲¿᝱ÁÂ。◀⍝᦮8ÎiÌ᜜,ᙳ¶ᵨ¸ᑖ⚗©ᦪḄ⊤w,_.᪀Ð᪀᩽▲¿᝱vḄ¬☠ឋ。5.1.2ᩩiV᪀ÓᐸÐÑ᪀ᙳtᢥ:;Ë<=ëᵨ4᩽▲¿᝱_.。:;Ë᩽▲¿᝱¸᪀ᑁËᔲb;ᐸ:;Ë,bc᪀äÅS®aÍ®ä¨ẚc¸Ó᪀ᜫΨdᜫ:;Ë。<=ëᵨ᩽▲¿᝱¸᪀ḄIᔣ3Gᔲb;ᐕÝḄ᩽▲,bc᪀ᙠ:.0[Ḅ`ᐰ¬☠ឋὊ2ឋ。5.1.3ᩩiV᪀ᑁËᑖ᪆o,tᢥøឋ▤¾Ḅøឋ8©Ì,äᐕÝὃ⇋ᢥoøឋ3Gᡠ®ᛛឋᑁËQᑖå¿᝱。5.1.4ᩩi᪀,t᪷lª.᪗《᪀¬☠®hd᪗》GB50153Ḅi,ᐸQ⌕ឋsãíqã,Òᨵᱯ}⌕o,¬sÏᡈtå,tuᨵᐵZvᢇ。5.1.5ᩩi᪀Óᐸè³q,ᑖÕtᢥ:;Ë᩽▲¿᝱ÌÍ®Îiឋ,¢ᢥ<=ëᵨ᩽▲¿᝱Ì3G。᪀%Ḅᔜ⚗Êᵨ,ᢥ:;Ë᩽▲¿᝱Ìo,t¶ᵨÊᵨ0,ᓽÊᵨ.⊤0w¸Êᵨᑖ⚗©ᦪ;ᢥ<=ëᵨ᩽▲¿᝱Ìo,¶ᵨÊᵨ.⊤0。5.1.6ᩩ▊ó,◀Ḅᱯ}i᜜,pÊᵨḄÊᵨ.⊤•86• 0、Êᵨᑖ⚗©ᦪ、Êᵨáᔠ©ᦪ¸Ó᪀`ᐰsãbiḄQ⌕ឋ©ᦪ,ᙳtᢥª.᪗《«᪀₹:》GB50009Ḅi¶ᵨ。5.1.7〜5.1.9ᩩᦻiVÐÑ)*Í®sã,ätåuC25;Ìj´V®äᜧu0.2mm;ᢙ᪗DätåuF200。᪀Øᢰ®,◀ᙊFG@¬äÌ᜜,>、ᢚḄØᢰ®ᑖÕätb;Z/2504/250。5.1.10,5.1.11ᩩᦻi᪀Ḅ☢:Ë、3GÌÓÐÑẠÌs,ᙳtᢥª.ᨵᐵ᡻.。5.2sKg᩽▲v᝱D5.2.1ᩩᢥ᯿ª.᪗《᪀¬☠®hd᪗》GB50153Ḅi,V⊤w,ᐸᐵu᪀᪀qᢙËḄ0,ᢥ᯿ª.᪗《᣸᪀«ᱥ᪀》GB50069Ḅi¶ᵨ;ᐵu⍝ḄQ⌕ឋ©ᦪ,ᢥ᯿ª.᪗《᣸⍝᪀》GB50332i0。5.2.2〜5.2.5᪷lQ©ᦪ᩽▲¿᝱ḄÌù,ᢥ᯿ª.᪗《᣸᪀«ᱥ᪀》GB50069,ip⊤wḄÊᵨᑖ⚗©ᦪ、Êᵨáᔠ©ᦪs。ᢥª.᪗《᪀¬☠®hd᪗》GB50153iḄ´ᑣ,{᪀:.o,ᙠhÓ|ᦪläḄ▭¦§,!ᑴ,¸᪥᪶Âbi,ᓽ¸´《᣸᪀》GBJ69-84.ÿᨵᦔḄÊᵨᦔt½Ạ,ë⊤wÊᵨᦔ᳛Ãᐸ }ᔠ。5.2.6ᩩᢥ᯿ª.᪗《᣸᪀«ᱥ᪀》GB50069Ḅi,óbi᪀ḄÐÑÎiឋᢙÛ©ᦪ。5.2.7ᩩV:;Ë᩽▲¿᝱ÌoḄᔜÊᵨáᔠ,ᐸᢚḄ§áᔠ,jᨵ4§,Ìo,t᪷l¦•87• §Ḅäj_.§áᔠ。5.3ᵨ᩽▲v᝱D5.3.2ᩩp᪀ÓᐸÐ᪀Ḅ<=ëᵨ᩽▲¿᝱ÌᑁÆÊVi。iᐸ3G、ᢙjsthᑴᐸÌ0ätb;utḄi0,ᐸAḄ½bc᪀ëᵨ4▲ḄὊ2ឋ,sÏᢗᦔ~。5.3.3,5.3.4ᩩᦻp<=ëᵨ᩽▲¿᝱VÊᵨᦔtÌ|。¢ᔠ᣸Ḅᐹ8ᱯä,ᑡ᪀qÓÐÑ3Ghᑴj´ªáᔠÊᵨḄ50ᦔtÌ,ᑡÐÐÑ᪀j´ijV®áᔠÊᵨḄ¿0ᦔtÌ。•88• 6ᑁiO6.16.1.1>᪀½H⍝Ḅ|!s⌕,=ᡂ1G:hᓄᢥ⊤6.1.1Ḅ,ÐGh,Ì>ḄᨬᜧᑁË,᝞⌕bÌᐸᑁË,ᑣ◤☠Ìᩚ©Ḅqê¾_.b。ᩩᑡV4MÐÑ、dMÐÑqM╋Ñ、4M╋Ñs,ÐGḄᨬᜧᑁËÌ。6.1.3ḄÐ(ᡈÐH)Ḅì_Q,=ᵨḄ¬ᑖ½Ð§Ð4-。ᩩᑖÕᑡV=ᵨḄÐH、§ÐHᜐ,¦☢ḄᑁËÌÓutḄᑁË©ᦪ⊤。ᑁËÌ6.1.3-l、6.1.3-2〜6.1.3-4ÓᑁË©ᦪ⊤6.1.3-1、⊤6.1.3-2ᙳ<《Ë》℉(ᵯËÄ᱐1982.5)dQᡠsḄ、▬、▬⊤。1ÐÌo,tᎷiGÐHV®B,ÌᐸÐV®%Ḅ•89• Ë,⊤6.1.3-1ᓽ¬©ᦪ,ᯠ,ᐸᨬᜧ#uÐHNCäᜐ,.ᐭr。ᢥḄ(ᑁOج,᜜OØ)ÌtËLq/#(W=l/6Bi29t½¦Ì»®)。ᑖ᪆Ì,aÐHNOᜐÓ®Ḅþ3,®îᜧḄ᜜,ᐸtËtrÃIᔣËᜧ,ÐV®B¸Óᜧᡂ<ÌḄ。aT,Ð|=〉ᵨuulOOOmmmḄ,Ð[Ḅ®×ä;¿。,gîᜧ(Dᜧu1000mm)o,ᐸÐ=Qè`Q,½ÐV®B;V,◀¶ᵨ§Ð᜜,׬¶ᵨî½hᓫḄÐ。᪷lÐ᪀☢ḄᢙÇW=1/6B〖2,ot⌱ᔠᳮḄÐV®BÐᜐ¦Ì»®〖,¸sÏW0,ᨵᦔᙢhᑴtË(70。lT,ÐHᜐḄ¦»Öᜧ,ᡈᙠÃHᔠᜐÖᡲ,ëᐸô²ᡂ᦮8,Ö"VḄkZ¦»。Ö"V¦»pÇᢙḄÖᜧ>Áᐵ©,aT,Ö"¦»ḄᦔîÖ"ÐV®ᨵᦔ。joÖ"¦»®¾Ḅ¿®Ãᜧ×ᨵᐵ,d9äíᜧuB+—ÐV,D—),T᜜׬ᵨᨵ▲ᐗᑖ᪆Ìbi。2§Ð§ÐḄG×_Q,§GÐḄЧ,ØḄtËîᜧ,9ÐÌî½┝,ᦑrᑡᐭ,¬¡《Ë》℉。ᩩᦻḄ6.1.3-2hᓄḄ⊤¬,ЧÐḄᑁË©ᦪ¬⊤,ÌÁI。o,ᐜÐHᜐË,ᑖö½Iᔣ>ᔣ4Úᑖd。ᵫu̧ᔣËᔣËo,₹:Êᵨäᜐᨵþ3,aTᑁËáᔠo,t⌱äjḄ<ßD。6.2ᢚ6.2.1〜6.2.3ᩩᦻḄᑁËᙳᵨËÂxt。ÒÌ3#Ḅ•90• ᵨ:Aki=^MkMt|y+2JoNkiV,Fa%ᑁËî½ᑍ,᪷l¬hᓄ½:ki=2ÐᑁËᑣ_hᓫ,9ÌÃøὅ_³。¡Ö᝞v:^=30°,Di=32.5cm,D=30cm,S=13.8564mA—1.29904ὃ⇋M、N、Rp3GḄÁg,Ma=—9.18qὃ⇋Mp3GḄÁg,MA=—9.12g4ὅup¢¥9vlfl【12=6.5%0aT,ᩩᦻᑁËᙳᶍ¥iV、6p3GḄÁg。:a—Ëᑖåäᙳ¦Ḅú<©ᦪ,☢a½2.0。6.2.5ᩩᦻᢚḄ>₹:Êᵨ0>☢Dl⚪,ᐸᑁËᵨËÂxt、3#Ìᢥ[ËçÊᵨḄ§¨iᳮ,᝞2ᡠ¬ᙶ᪗ᨵZ2ᢚᙠ>₹:ÊᵨvᑁËxtᵨᙶ᪗ik=21ὃ⇋Êᵨo,lᦪᓃ᝞v:_i(z"i+6cos2+4(3z"i+2)cos“+2cos2ᑁË⊤wᵨ(6.2.5-1〜6.2.5-5),ª/cwḄÌ0¡⊤1:•91 ⊤iÌ00.81.01.251.5I.752.02.252.52.753.04..025。1.13401.11171.08351.06051.04191.02671.01421.00400.99550.98850.970530°1.20271.16131.11881.08481.05751.03551.01761.00310.79110.98130.956345。1.47611.35901.24691.16271.09871.07941.01110.98090.95710.93800.892360。1.83421.56801.34001.18551.07751.0000.94320.90100.86910.84490.7929¬¡¤Ëp3GḄÁg䬫ᶍ。Ö:0=30。,S=13.8564,h=1.29904,Di=325mm,D=300mm2ὃ⇋、¤、ËḄÁgo,KW=9.7112。=—188.5^¨ὃ⇋ḄÁgo,Kw=10.7945=_180.9qup¢¥4%,îᜧ。aT,ᩩᑡὃ⇋、¤、Ëp3GÁgḄKw0Ì。6.2.6ᩩᦻḄM®ÊᵨᑁËÌ,lᜩᩈ《ᙊFG、ᢚG;HᙠM®ÊᵨvḄᑁËÌ》dᦻᑡḄ,Ðᦻ᪀Ìᳮ¼᪷lᓱ®¯iᳮ_.xtḄ,ᐸᙊFG@ᡠÓ«᪀êg”⍝ÐDdQᡠᑡdÅḄ。6.36.3.1〜6.3.4ᩩᦻḄᑁËÌ、⊤Dᙳ<《«᪀êg⍝ÐD》dQ。⁚jÖ"V“P¾ᑁÊᵨ”ḄᙊF@ᑁËÌ,¢hᓄ!ᑴᡂ⊤D。ᑁËᩭ°<ᱯ᪀19974cq0“PQvᙊF@ᑁËÌ”,Ðᦻ©᪷l±²℉“b☟iᙊ@”ᳮ¼xtḄ。92• 7zJO7.1DÄᑣ7.1.1᪀ᙠmᩖtËÊᵨvḄÍ®Ì,◀Vᵫu᜜₹:(ᒹ.M®Êᵨ)ᡠ®ḄᔣᙳtËḄÍ®Ì,ᐹ8xtᑖ᪆᝞v:1>₹:Êᵨo,☢%joᨵ¤,¸sᦔᐭ¤Êᵨ,sᦔᩩqᨬᜧtËus。®Ḅ☢᜜My®ḄtË:_MyXmax__MyD!aiTy214us,My=|(Myi+v^+T2)>₹:Êᵨo,CD¾,V=0;½¾ᨵ¤,aT¬ᵨ>☢᜜My.。2IᔣÊᵨo½᪀q,¸Æᜧ©ᦪḄGᐭᔣËᡠ®Ḅ▬"。7.4⁚i@Ḅᨬᓻ◅☢,d9ᙠ@Lᜐ✌ᐜtÌᔜ§ÊᵨváᔠᑁË,ᯠ3ÌÌ☢ᜐ¦§ᔣ¬tËae、¦ᔣtË~¦>ᙳtËrb,.ᐭut_.Ì。Æᜧ©ᦪᢥøឋ▤¾Ê、pi₹:Êᵩ、@ᢰ¯P¹<º¯、¢ᢥ4MhÐᎷixt。xt;¬¡i»、±ó¼℉“᪀qÎi”。ᐰᙠIᔣÊᵨ、ᢚGÐHᜐus,aT,sᦔ©ᦪ}=1.0;ÒdN½¾ᨵᑁÊᵨo,A、B4ÐHäs,ᢥ¿᝱ᑖ᪆,@ḄᨬᜧujḄ4M,¸ussᦔÿ。¿᝱@ᜐuøᛛឋ▤¾Ê,9øឋ᪀qÌḄsᦔ¢ä᧜¦§,ᦑ½`ᐰ=¡}=1.0。ób¾=1.0,¿äª}。Ḅᜐ,ᑁË®Ḅ>¬ËᢥvÌ:AC=Pw~W=Np BC=PyfCOSd/.Np=Pvr—Pyrcosd=PW(1—cos᜛)VPw=Tcr2P•••Np=7tr2P(l—cosd)•95 8}~O8.2ᢚ8.2.3ᩩiḄIᔣÊᵨo,ᢚ>☢ᑁḄÎiÌÃᑖ᪆,ᢥᳮÀgᩚ、3GᎷi,pi3G¿᝱,ᵨ#ÁÂxtbÁ,Ë。¿᝱Ḅ>⊝ᩩq:E/=—MxMx=-Ny-xyAB-MABö_,ᜧdÌ,ÃᡂA〜A¯,ᵫ—fex,ÄᣩÁI。pi3GᜫÎḄË,Ìpi3GᜫÎḄËᜧ,îᓻ◅,ᦑpi3GᜫÎÛËÌᑡᐭᩩᦻ。ᩩᦻᢥᩚq4M1ᐰiḄᳮÀìxtḄ。Æ%,ᙠ⁚äᜐ,d9Ƕᵨ²³è³"è©,aᩩqᡠ▲,è©ḄÓ®î。ᦑ⁚äᜐȸᢥiὃ⇋。ᙠÐHᜐ,ÉᨵᩩqḄtÖ"Ó®îᜧḄè©,¶᪀⌼{-,ëᐸ³iḄᳮÀì。T᜜,ᳮÀgᩚḄᎷi,äὃ⇋Ê[Ḅᑗ3Gᔣ3GḄÁg、᪀qḄᱥᳮË◍、¶·Ë◍sÇëËtå,`kᙳᨵ0u«3_dÌẆ*Ãᑖ᪆。ᙠIᔣÊᵨv,a☢Ḅᢙ¤Ó®ᜧ,ᔣË®Ḅ▬"3GᯠîḄ3G½jÁᔣ。aT,B>☢᜜ḄᜫÎ,ᩩᦻ×äÊ᧜。•96• 9ᢰJO⁚iV>ᢚIᔣ₹:ÊᵨvḄᢰ®Ì,ᢚḄᢰ®Ìäὃ⇋>☢᜜(᝞₹:Êᵨ)l⚪。•97• 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