'CECS214:2006m᪗ᓄ᪗᪀designspecificationforself-sustaininglongitudinallyover-crossingstructureofsteelpipeofwatersupplyᑜ᱐
᪗ᓄ᪗᪀designspecificationforself-sustaininglongitudinallyover-crossingstructureofsteelpipeofwatersupplyCECS214:2006!ᓫ#:%&"(Ẇ*▾ᢇᓫ#:᪗ᓄ-./0:200744ᨴ1/8ᑜ᱐2007ᓅ
᪗ᓄ᪗᪀CECS214:2006☆%&"(Ẇ*▾!ᑜ᱐᱐(ᙢᙬ:ᓅ<"=>?ᩈAᙢᓅBᵬ11DEᜧGCH4I)(K(!ṹ:100038ᵯN:6390643363906381)OPQRᓅ
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7.4@....................................................(37)8ÎiÌ.........................................(39)8.1>...................................................(39)8.2ᢚ...................................................(40)8.3@...................................................(42)9ᢰ®Ì.........................................(45)10ÐÑ.........................................(46)10.1d9i..............................................................(46)10.2ÐÑÌ..............................................(47)11᪀⌼-⌕..............................(49)11.1d9i.......................................(49)11.2⍝ÐH..............................................(50)11.3⍝ªBCfD"..................................(53)▬ÕAᙊFG(@)ᙠᐰIᔣ₹:Êᵨv@LᑁË©ᦪ⊤.......................................(54)▬ÕBᙊFG(@)ᙠM®Êᵨv@LᑁË©ᦪ⊤......................................(55)▬ÕCᙊFG(@)ᙠNᔣ>₹:Êᵨv@LᑁË©ᦪ⊤......................................(56)▬ÕDᙊFG(@)ᙠPQÊᵨv@LᑁË©ᦪ⊤.......................................(57)▬ÕEᢚÌÖ................................(58)▬ÕF@ÌÖ................................(66)ᵨSTó.......................................(76)▬:ᩩᦻTó.........................................(77)
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|ôᑴõè³ḄÍ®0(N/mm2)õ、÷ḄᩞþDᢙ¬/!>ᢙAᢙ¬/?ó|õQ235170140—÷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⍝᪀8ÎiÌ,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▲vD5.2.1᪀ᢥ:;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▲vDḄVᵨ~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▲vD5.3.1⍝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。,⊤6.1.1 ᑁ ᨬᜧᑁËÌÐGÐÌhIᔣ₹:>₹: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=VAgcos
xË(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^r(7.1.1-1)7o^d9tᡈÐH☢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。⊤7.1.4ᢚḄxqDaᦪ(^)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(8.2.3)cp—ᢚÐØÎi©ᦪ,ᢥª.᪗《᪀•41•
》GB50017b-☢bi;Mx^■IᔣÊᵨ、M®Êᵨv,ὃ⇋ᔣËÁgḄáᔠ,¬ᢥ(7.1.4-1)Ìbi;N—¾ḄáᔠË(N)。8.2.-|ᢚᙠ>₹: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¶ᵨßẠ、ὶᔠẠ。Òᜩᯠᙢä;Ạ:ËᐕÝát0o,¬¶ᵨẠ、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·¸¹ºNÁᑵÃÄJm)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•
£^<1(10.2.5-3)6(10.2.5-4)(10.2.5-5)a、b----Ạ☢N¿;----Ạ☢Ð;Mx、My—Ạ☢XYÁᔣḄ;^Ri—Ạ☢IᔣË。10.2.6Ạ>ᢙÛÎiឋÌ,tᢥvÌ:(10.2.6)Ks—ᢙÛ`ᐰ©ᦪ,ᢥ⊤5.2.6¶ᵨ;ju—+pḄ᥅Ç©ᦪ,ᢥª.᪗《«ᙢẠ》GB50007Ḅi¶ᵨ;26—IᔣË᪗0(N);i^w——ḄᡲË(N);EH{—>Ë(N)。10.2.7ẠᢙÛÎiÌäo,¬¶ᵨᣚ+、½、Ö■ÛsᢙÛ{-。48•
11᪀⌼-⌕11.1opq11.1.1¦Ḅᨬ»®,¬ᢥvbi:_Dtmin~160—Ḅᨬ¦»®(mm);D—⍝Ḅᑁg(mm)。11.1.2¦Ḅ»®,t᪷lÌ◤⌕Ḅ»®,"ῖ⇨®»®。ῖ⇨®d9í2mm。11.1.3ᑴÊot%ᔠvᑡi:1ᑴÊḄᙊ®äᜧu0.01D,ᙠ⁚Ḅ`2MZäᜧu0.005D。2²³Ḅ,ᐸ8Ḅ4ÚÁᔣἭªᓝbp³²´。3⍝p³oḄÐ¥,ÒDu1200mmo,ätᜧu1.0mm;ÒDäu1200mmo,ätᜧu2.0mm。4p³Ḅ⁚ñ,tëᑁ¦>,ᐸñ┯#ᐕÝ¥t½0.1¦»,Ð¥äᜧuᩩc3Ḅi。5á2⁚o,⁚ᔣ²´tᙠÐᜐ、⁚äᜐḄ⚔、>ᔣḄ4N,u⁚Ḅᔣ²´#Ët┯i。§ᔣ²´tᙠÐᜐÓ¾。11.1.4¦ti。Òio,ti²´,¢tᙠtËîZ#,9äiG。11.1.5tÏᨬÏ#1.0m;ᨵ|!⌕Ḅ,"®tᢥÒᙢ!:Zv⌕bi。•49•
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