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  • 2022-04-22 11:22:16 发布

GB50351-2014储罐区防火堤设计规范.pdf

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'ᐳ%᪗PGB503512014L■Íᛀ(³Codefordesignoffiredikeinstoragetankfarm201403—312014-12—01!"ᐳ#$%&"()ᐳ%ṓØÄØÌÁ÷ ᐳ%᪗L■Íᛀ(³CodefordesignoffiredikeinstoragetankfarmGB50351-2014Ð)+:rÃᜩᯠþÿabᢇ)+:ᐳ#$%&"()"-.:2014312ᨴ1-³ᑜ7᱐92014ᓅ ᐳ%᪗12■Çᛀ";GB50351-2014☆³ᑜ7᱐97᱐ᙬ:www.jhpress.comᙢᙬ:ᓅPïQ%ᩈ©ᙢᓅ¦ᵬ11OᜧªCË3Òṹ:100038ᵯ«:(010)63906433())YZ[ᓅPᡠ+^ᓺᑵᒹᨵ▲abᓺᑵ850mmX1168mm1/321.875ᓺo45ᓟp201439ᨴs1᱐201439ᨴs1uᓺᑵ☆ztZ:1580242•366vw:12.00ᐗ᱐ᩗᡠᨵ½ᩗ_¨½ᩗºᵯ«:(010)63906404᝞ᨵᓺ⚪,ël97᱐)½ᣚ ᐳ#$%&"()a*364+#$%&"()ᐵ%᪗《L■Íᛀ(³》Ḅaᢇ《L■Íᛀ(³》%᪗,GB50351—2014,¡2014312ᨴ1-¢!"。ᐸ,s3.1.2、3.1.7ᩩ(ᑴឋᩩᦻ,_`÷᡻。%᪗《L■Íᛀ(³》GB50351—2005cgAí。lᵫᡃ)᪗v¦Ẇ¨ᡠª«³ᑜ7᱐97᱐。ᐳ!"#$%&"(20143ᨴ31 lÓ᪷¯#$%&"()《ᐵᓺ201236"(᪗ᑴ±²±³ᑜḄµ¶》("᪗〔2012〕5)Ḅ⌕º,ᵫrÃᜩᯠ⍝6ᨵ▲abcᨵᐵᓫõ,[%᪗《L■Íᛀ(³》GB50351—2005ʲ±ÐᡂḄ。l²±è,ᑴªÊ»¼Ḅ½HẆ¨,ÁÂᡃéᓄ60z■Íᛀ6"(Ḅ!ÃÄ,µè[ᡂḄéᓄ60z■ÍᛀḄ(³Êᑖ᪆、Äô,Ëᙠ»¼ÍºÎÏḄẠ,³®Ẇ¨、¯u²ᦋ,ᡂºᢇ°ᨬº#$%&"()Hv°。lᐳᑖ5;2ñ▬,Ð⌕ᑁÒᒹå:Áᑣ,Ö,■Íᛀ、■ᜋḄv,■ÍᛀḄ⌱uÙ᪀⌼,■ÍᛀḄ(¬³w©vឋÄw®。l²±ḄÐ⌕ᑁÒÓ:1.vct■ÍᛀᑁìcúḄL⌕º,Lᦪ⌕º,Lv⌕º,◞ᛀ(v⌕º;2.²±■ÍᛀᑁìcúLÁÒ9Ḅnᐵ⌕º;3.²±■ÍᛀᑁᨵᦔÒ9Ḅ⌕º;4.²±■Íᛀ2¬Ḅ⌕º;5.⊡ᐙ²±■Íᛀ±Ï、ᚁ⍝、⌫⍎WÓḄ(v⌕º;6.⊡ᐙ■Íᛀᑁ(v᣸©÷᪕?LḄnᐵ⌕º;7.⊡ᐙ²±■ÍᛀḄ⌱u、᪀⌼®nᐵ⌕º。l7äp᪗Ḅᩩᦻ(ᑴឋᩩᦻ,_`÷᡻。lᵫ#$%&"()Ûiᳮ[(ᑴឋᩩᦻḄåæ,ᵫrÃ6"(^ ᪗ᓄXᕒÛi-¤ᳮ6|,rà ᜩᯠ⍝6ᨵ▲abÛiᐹäᢈᑁÒḄåæ。ᙠl᡻è,-µᔜᓫõÂᔠ6!Ã,¿ÀÁÂÄ,ÛÎ9ÊÆᧇ,᝞◤⌕²ᦋ⊡ᐙTᜐ,ëäÎÏᨵᐵÆᧇ〈ᑮrÃᜩᯠ⍝6ᨵ▲ab(ᙢᙬ:+ᓅḕÒ!ï#ò146,ṹ:065000),¼R²±gÅὃ。lÐᓫõ、Åᓫõ、Ð⌕¢₝©Ð⌕H:Ðᓫõ:rÃᜩᯠ⍝6ᨵ▲abÅᓫõ:rᓄ6"(ᨵ▲abrᓄþÿabÁ»(³ᢈåÁ)"56ᑜ(³Ẇ¨▾Ð⌕¢₝:ᑢᩰ5#¶ᵭ²OE,¸2Hᦻℏ¹▮Yᑢ&ᩰº2O»Ìᑢ8Ð⌕¾:,i,᪍o»6oᦔ¼/_ᑢ8½/᠗ᔺYN*C¿↋Áày.^"^ã᳝᫥ u1ÁÃIJ..................................................................(12Ö.......................................(23■Íᛀ、■ᜋḄv....................................(43.1—sv..............................................(43.2ÃLª■ÍᛀḄv....................................(53.3ÙᓄrÃ、ᜩᯠÏÙ、Ùᓄᜩᯠ©ᐸtLª■Íᛀ、■ᜋḄv....................................(84■ÍᛀḄ⌱uÙ᪀⌼....................................(104.1⌱u...................................................(104.2᪀⌼...................................................(105■ÍᛀḄ(¬³w©vឋÄw..................(135.1₹Àᦔ·ᙢ◫|ᵨᦔ·Ḅªᔠ.........................(135.2₹À、ᙢ◫|ᵨ©ᑁ_³w..............................(145.3(¬³w..............................................(215.4vឋÄw............................................(21▬A×_0ᦪ⊤......................................(24▬B■ÍᛀḄ᥅ì0ᦪ............................(26lᵨ..............................................(27ᵨ᪗……............................................(28▬:ᩩᦻ.................................................(29 Contents1Generalprovisions.....................................(12Terms..........................................(23Firedikeandsafetywallarrangement.................(43.1Generalrequirements.....................................................................................(43.2Tankgroup’sfiredikearrangement.....................(53.3Liquefiedpetroleumgas,naturalgasliquids,liquefiednaturalgasandotherstoragetanksfiredikeandsafetywallarrangement..........................................................................................(84Selectionanddetailsoffiredike......................(104.1Selection.............................................................................................................(104.2Details...................................................................................................................(105Strengthcalculationandstabilityanalysisoffiredike..........................................(135.1Combinationforloadeffectsandearthquakeaction...................(135.2Calculationofload,earthquakeactionandinternalforces........................................(145.3Strengthcalculation.....................................................................................(215.4Stabilitychecking...........................................................................................(21AppendixATheearthpressurecoefficienttable...............(24AppendixBThefrictioncoefficientofthefiredikebase................................(26Explanationofwordinginthiscode..............................................(27Listofquotedstandards...................................(28Addition:Explanationofprovisions..............................................(29 1.0.1ᔠᳮ(³■Íᛀ、■ᜋ,uL}ᐰ,ᑴvl。1.0.2l〉ᵨᙢÙ᝱LḄY"ᦋ"、᡽"6Ḅ■Íᛀ、■ᜋḄ(³。1.0.3■Íᛀ、■ᜋḄ(³,·ᙠÉÊᔜ⚗ᢈ⌕ºḄẠ,ÂᙢᑴÃ,ᔠᳮ⌱u,©ᑮ}ᐰὊ、íᔠᳮḄᦔÛ。1.0.4L■Íᛀ、■ᜋḄ(³◀·᡻l᜜,Ë·×ᔠ%ᨵᐵ᪗Ḅv。 2Ö2.D.1ὀªtankgroupᵫ■Íᛀᡈ■ᜋᡂḄtñᡈ6ñLªᡂḄLᓫᐗ。2.0.2ὀstoragetankfarmᵫtñᡈª4ñLªªᡂḄL。2.0.3■Íᛀfiredikeᵨ¤×᧕ÂÂÙäLª、¤×ᩩºúµèµy¼᝱XᡂÙ᝱ḄLªᡈᐸtÙ᝱ᓻ◅Lª_ᦑg,■íÙä᜜ÜÍÆ⅁Ḅ᪀5ᱥ。2.0.4◞ᛀdividingdikeᵨS■ÍᛀᑁLÙä_ᦑgḄñP,ᡈᵨS¤×ᩩºúµèµy¼᝱XᡂÙ᝱ḄLªÞïÙä_ᦑgḄñP,ÐätñLªᑖ◞ᡂª4ñᑖḄ᪀5ᱥ。2.0.5■ᜋsafetywallᵨ¤yᩩºúµè×¼᝱XᡂÙ᝱ḄLª_ᦑg,■íúä᜜ÈḄ᪀5ᱥ。2.0.6◞ᜋdividingwallᵨS■ᜋᑁL_ᦑgÙäXᡂäḄñP,ÐätñLªᑖ◞ᡂª4ñᑖḄ᪀5ᱥ。2.0.7■ÍᛀᑁᨵᦔÒ9effectivecapacitysurroundedbydikestñLªḄ■ÍᛀᑁᨵᦔᑭᵨḄÒ9。2.0.8(³Ù☢2¬designheightofliquidlevel³w■ÍᛀᨵᦔÒ9gᛀᑁÙ☢Ḅ(³2¬。 9■ÍᛀᑁᛀÁinboardtoelineofdike■Íᛀᑁ5ᡈᐸ%ᚁÙ■Íᛀᑁ(³ᙢ☢ḄY。10■Íᛀ᜜ᛀÁoutboardtoelineofdike■Íᛀ᜜5ᡈᐸ%ᚁÙ■Íᛀ᜜5(³ᙢ☢ḄY。 3■Íᛀ、■ᜋḄv3.1—-.3.1.1■Íᛀ、■ᜋḄ⌱ᵨ·᪷¯¦Ù᝱úḄឋ¥v。3.1.2■Çᛀ、■]ᜋBöᵨð4Äᩞᧇ&⌼,F"w、ùᔠ、ð5a。3.1.3■ÍᛀḄ■Íឋ¾·×ᔠ%᪗《rÃᜩᯠ6(³■Í》GB50183、《rÃᜓÉ(³》GB50737、《rÃÉ(³》GB50074、《rÃᓄ6« (³■Í》GB50160Ḅnᐵv。3.1.4Ê7LªḄᔜ»、ᵯ;·û■Íᛀ、■ᜋ⚔)`ᡈûᙢ☢úíè。_`íè■Íᛀ、■ᜋg,·(vᝅË·¯ᵨìÂÃᩞᧇb&",ᡈ¯ᵨ/v¬ÿ¯ᵨ§b&ÓÔḄ³。3.1.5■Íᛀ、■ᜋᑁhᙢÃ(v᣸。3.1.6■Íᛀ、■ᜋᑁhᙢ(v᣸g·×ᔠúᑡ⌕º:1ëðVḄ■Íᛀᑁ5²"᣸g,*Ḅ᜜5Ù■ÍᛀᑁᛀÁḄEèì·0.5m;2ëᛀᡈᑁVḄ■Íᛀᑁ5²"᣸g,*Ḅ᜜5Ùᛀᑁ5ᛀÁᡈVᛀÁḄEèì·0.8m;3ë■ᜋ²"᣸g,*Ḅ᜜5Ù■ᜋᑁᛀÁḄEèì·0.5m;4᣸·¯ᵨ■õ";5᣸Ã(v÷᪕?L,÷᪕?LḄᩞ·ᐹᨵ■Í、■ῖឋ¾。3.1.7.,12ýḄ■Çᛀ、■]ᜋB"4ðEë2ᜐ6ᛀ 7Óᡈᚁ⍝,/B"4ᙠð¹h。◞ᛀ、◞ᜋB"47Óᡈᚁ⍝。3.1.8■ÍᛀḄn±Ï、ᚁ⍝、WÓTḄEèìÃᜧ60m,2¬ᜧᡈ®1.2mḄ±Ïᡈᚁ⍝·(V。3.2g2ý■ÇᛀḄ343.2.1ct■ÍᛀᑁḄᙢÃLv·×ᔠúᑡv:1ᙠct■Íᛀᑁ,ÃvÍÆᓻ◅ឋ»¥ncᡈnÏḄÃL(ᵬB»、«»ÝA»ÃLvᙠct■Íᛀᑁ,¹ìÃÙÝB»ÃLvᙠct■Íᛀᑁ),ᓫLÒ9ᡈ®1000m3g,ÍÆᓻ◅ឋ»¥ìcḄ¤×L¸vᙠct■Íᛀᑁ,¹·(v◞ᛀᑖk;2ÊÈឋḄÃLì·Ù¦ÊÈឋÃLvᙠct■Íᛀᑁ,ᓫᡂªvḄ_×L◀᜜;3¤×ÃLì·ÙÙᓄrÃ、Ùᓄᜩᯠ、ᜩᯠÏÙLvᙠct■Íᛀᑁ;4ÂÙäḄ×_LÙÙᓄËḄᐰ×_Lvᙠct"■Íᛀᑁ;5ÂÙäḄµ×LÙ¤×Lvᙠct■Íᛀᑁ;6ᙢ"ÃL、2õL、ᓷLìÃvᙠct■Íᛀᑁ;7¦IënëMឋÙäḄLì·Ùᐸt᧕ÂÂÙäLvᙠct■Íᛀᑁ。3.2.2ct■ÍᛀᑁÃLÁÒ©ÃLᦪ·×ᔠúᑡv:1/v⚔ÃL©/v⚔ÃLÙÆ⚔、ᑁÆ⚔ÃLÎᔠv,ᐸÁÒì·ᜧ120000m3,ᐸÆ⚔、ᑁÆ⚔ÃLḄÒ9ᢚܳw;2,ÆDᑁÆ⚔ÃLÁÒì·ᜧ360000m3,᧕ᰚᩞᧇÆDᑁÆ⚔ÃLÁÒì·ᜧ240000m3;3᜜Æ⚔ÃLÁÒì·ᜧ600000m3; 4ᓫLÒᜧᡈ®1000m3gÃLᦪì·q12Ë,ᓫLÒ1000m3ᡈ¦ÝB»ÃgÃLᦪì▲;5ÃLì·éè2᣸,¹ᓫLÒ1000m3Ḅ¦Ý3»ÃḄÃLì·éè4᣸,ÆÃLḄᓫLÒ9᣸ᦪì▲。3.2.3"ÃLḄL*D■ÍᛀᑁᛀÁḄEè,ì·L*2¬ḄtÜ;ᓷÃLḄL*D■ÍᛀᑁᛀÁḄEèì·3m;"ᙠÝ%ḄÃL,☠ÝḄt☢,L*D᢬ᚁᚁÁEèì·3m。3.2.4nÃLª■Íᛀ᜜ᛀÁT·ᨵ■⍝òᡈᶇᨵ;¬ì7mḄ■ᙢ。3.2.5ÃLª■ÍᛀᑁᨵᦔÒ9ì·ÃLªᑁtñᨬᜧÃLḄa¢Ò。3.2.6ÃLª■Íᛀ⚔☢·"³wÙ☢270.2m。"ÃLªḄ■Íᛀ2ᛀᑁ(³ᙢì·1.Om,2ᛀ᜜(³ᙢᡈ■⍝òò☢(ᢥpµὅ³)ì·ᜧ3.2m。ᓷÃLªḄ■Íᛀ2ᛀᑁ(³ᙢì·0.5m。3.2.7ÃLª■ÍᛀᨵᦔÒ9·ᢥú³w:V=AHi-(Vi+y2+V3+V4)(3.2.7):V——■ÍᛀᨵᦔÒ9(m3);A——ᵫ■ÍᛀᡂḄ#ᢗñ☢9(m2);——(³Ù☢2¬(m);Vi——■Íᛀᑁ(³Ù☢2¬ᑁḄtñᨬᜧÃLḄẠ☄7ᙢ☢Ḅä9(m3);V2——■Íᛀᑁ◀tñᨬᜧÃL᜜ḄᐸtÃLᙠ■Íᛀ(³Ù☢2¬ᑁḄä9ÃLẠ☄7ᙢ☢Ḅä9T(m3);V3——■Íᛀᑁ(³Ù☢2¬ᑁḄ■Íᛀä9ᑁVä9T(m3);V4——■Íᛀᑁ(³Ù☢2¬ᑁḄ◞ᛀ、!、(ᜓ©ᐸt ᪀5ᱥä9T(m3)。3.2.8■ÍᛀᑁḄᙢ☢(³·×ᔠúᑡv:1■Íᛀᑁᙢ☢·ᚁᔣ᣸᣸7,ᚁ¬Ã0.5°/0;2■Íᛀᑁᙢ☢ÃÜ(ãrᡈÌ2¬ìéè150mmḄ¤₝0;3■Íᛀᑁᙢ☢·(vSØ⍝;4ÃL_ᱥᨵ¾CDᙢúᡈ▬Ï᛻g,ᛀᑁᙢ☢·¯Q■õ"。3.2.9■Íᛀᑁ᣸("Ḅ(v·×ᔠúᑡv:1■Íᛀᑁ·(vþ(",ÓÔþ("Ḅ7᣸⍝·û■Íᛀᑁ(³ᙢ☢úµ7ᛀ᜜,Ë·¯Q}ᐰ☠ḄéÃ᣸õ";2ᙠ3Ê97ìᜧ200mmᡈ7ᙠ24hᑁ,¬ì¦ᙠ᛻CDḄ¾g,ì(7᣸◀("。3.2.10ÃLª■Íᛀᑁ(³ᙢ☢õᛀ᜜■⍝òò☢ᡈᙢ☢。3.2.11ÃLªᑁḄᓫLÒᜧᡈ®50000m3g,Ã(vÊ7LªḄ`ᛀ|µ⍝。®⍝òᓫ|⍝,·û■Íᛀ⚔)µè,⍝:ᚁìÃᜧ10%、<⍝:ᚁìÃᜧ12%。3.2.12ÃLªᑁ◞ᛀḄv·×ᔠúᑡv:1ᓫLÒ5000m3g,◞ᛀᑁÃLᦪì·q6Ë;2ᓫLÒ®ᡈᜧ5000m3¬20000m3g,◞ᛀᑁÃLᦪì·q4Ë;3ᓫLÒ®ᡈᜧ20000m3¬50000m3g,◞ᛀᑁÃLᦪì·q2Ë;4ᓫLÒ®ᡈᜧ50000m3g,◞ᛀᑁÃLᦪì·q1Ë;5ÊÈឋÃÃL,◞ᛀᑁLᦪì·q2Ë;6¦ÊÈឋÝB»ÃÃL,◞ᛀᑁLᦪìM▲ ᑴ,Ë᪷¯ᐹäefÊ(v;7"ÃLªᑁ◞ᛀ2¬Ã0.5m〜0.8m,ᓷÃLªᑁ◞ᛀ2¬Ã0.3m。3.3vᓄ9gª、ᜩᯠª´v、vᓄᜩᯠªᐸ¯12ý■Çᛀ、■]ᜋḄ343.3.1■Íᛀ、■ᜋḄ(³2¬,·×ᔠúᑡv:1ᐰÞïÙᓄrÃ、ᜩᯠÏÙ©Ùᓄᜩᯠᓫ■LLªḄ■Íᛀ2¬·×ᔠúᑡv:1)■ÍᛀᑁḄᨵᦔÒ9·Ò,LªᑁtñᨬᜧLḄÒ2)■Íᛀ2¬·"(³Ù☢2¬270.2m。2ᐰ×_ᡈÜÞïÙᓄrÃ、ᜩᯠÏÙLªḄ■ᜋ2¬Ã0.6m,◞ᜋ2¬Ã0.3m。3.3.2ᐰÞïÙᓄrÃ、ᜩᯠÏÙ©Ùᓄᜩᯠᓫ■LLL*D■ÍᛀᑁᛀÁḄEè,ì·Lᨬ2Ùõ2¬Ù■Íᛀ2¬T¡Ù☢n×ᜮT;■Íᛀ2¬ᜧᡈ®Lᨬ2Ùõ2¬gEèì▲。ᐰ×_ᡈÜÞïÙᓄËLL*ᑮ■ᜋḄEèì·3m。3.3.3nÙᓄrÃ、ᜩᯠÏÙ©Ùᓄᜩᯠᓫ■LLªḄ■ÍᛀT,·(■⍝ò。3.3.4ct■Íᛀ、■ᜋᑁLÁÒ©Lᦪ·×ᔠúᑡv:1ᐰ×_ᡈÜÞïLᦪì·q12ˬì·éè2᣸,Ê|µ45°C»Ùä×_LÁÒ9ìÃᜧ60000m3;2ᐰÞïLÁÒì·éè200000m3,LᦪìÃq2Ë。3.3.5■Íᛀ、■ᜋᑁḄᙢ☢(³·×ᔠúᑡv: 1■Íᛀ■ᜋᑁ·¯ᵨ3ÎÏᙢ☢,ËÃ(vì0.5%Ḅᚁ¬ᚁᔣ᣸᣸;2¦⏚、®ῖ⇨ឋúḄLªᑁḄᙢ☢·¢■ῖ⇨ᜐᳮ。3.3.6■Íᛀ、■ᜋᑁhᙢ·(vþ(",Ë·(vÉᑴk"Ḅ᣸("。3.3.7LªᑁḄ◞ᛀ、◞ᜋḄ(v·×ᔠúᑡv:1ᐰ×_LªÁÒ9ᜧ8000m3g·(◞ᜋ,◞ᜋᑁᔜLÒ9Tì·ᜧ8000m3,ᓫLÒᜧᡈ®5000m3g·KLt◞;2ᐰÞïᓫ■Lª·KL(vt◞ᛀ;3Ê|µ45°CḄᵬB»Ùä×_L◞ᛀᑁÁÒ9ìÃᜧ8000m3,ᓫLÒ9ᜧᡈ®5000m3g·KLt◞。 4■ÍᛀḄ⌱uÙ᪀⌼4.1⌱14.1.1■ÍᛀḄ⌱uÃ×ᔠúᑡv:1■ÍᛀÃ⌱ᵨ5■Íᛀ,¸¯ᵨ,-ÎÏ■Íᛀ、eä■Íᛀ、ᜳî■Íᛀ,ìïᵨØer■Íᛀ;2ᙠᵨᙢoᢙ◫(■«¬8¬©ᙢÃ⌱ᵨ,-ÎÏ■Íᛀ。4.1.2■ᜋïᵨeäÂ᪀。4.2᪀⌼4.2.1■Íᛀ、■ᜋḄẠëvñ¬·᪷¯6ᙢ、ïñ¬vឋ³w®ÂO¥v,¬ìÃ0.5m。4.2.2¦⏚、®ῖ⇨ឋúḄLª,■Íᛀᛀᑁ5·¢■ῖ⇨ᜐᳮ。ᐰÞïLªḄ■Íᛀ,·¯Q■ÞïḄõ"。4.2.3¯ᵨØer■Íᛀg,·¢ᑁV。4.2.4■Íᛀ、■ᜋ、◞ᛀ©◞ᜋḄ㸷᪷¯"5ᩞᧇ、᎛ᱯ|ᙢᩩºXᓄefÊ(v,Ë·×ᔠúᑡv:1ã¸Ḅ(v·×ᔠ%᪗《ÎÏÂ᪀(³》GB50010、《eäÂ᪀(³》GB50003Ḅv;2ã¸ì·(ᙠYᜐᡈ&ᜐ;3㸸;Ã30mm〜50mm;4㸷¯ᵨ¦ÂÃḄÓឋᩞᧇíᐙᡈ¯Qᐸt☠Ḅ᪀⌼õ"。4.2.5■Íᛀᑁ5V·×ᔠúᑡv:1■Íᛀᑁ5V2¬·Ùᛀc2,V⚔☢;¬ì·•10 300mmo2V·ᑖÒ×!,ᚁ☢·Ì!,×!0ᦪìÃ0.90。3V⊤☢·¢☢Ò,☢Ò·¾ᨵᦔᙢ■í7Þᑵ、ᩖ₝&Sᱥẚ£。☢Ò¯ᵨẈᡈ⚜ᑴÎÏᙽÜe,ṺØï¸,ᙠ¤☘ᙢ,ᵨ2¬ìéè150mmḄ6₝0¢☢Ò。4.2.65■ÍᛀḄ᪀⌼·×ᔠúᑡv:15ᛀᩞᧇ·]ឋ;2ᛀ⚔;¬ì·500mm;35ᛀ·ᑖÒã!,ᚁ☢·Ì!,×!0ᦪì·0.94;45■Íᛀ·(☢Ò,Ë·×ᔠlᩩs3°Ḅv。4.2.7,-ÎÏ■ÍᛀḄ᪀⌼·×ᔠúᑡv:1ᛀ©ẠLḄ¬·ᵫ(¬©vឋ³w¥v¬ì·250mm;2M_,-·ᵫ(¬³w¥vËÉÊúᑡ⌕º:1),-ÎÏ■Íᛀ·+ᔣ+☢!-;ûᔣ,-<=ìÃ12mm,#,-<=ìÃ10mm;,-EìÃᜧ200mm。2),-ḄÒ¬·ᢥ%᪗《ÎÏÂ᪀(³》GB50010Ḅv᡻;ẠLM_,-ḄÒ¬ᨵÒg,ì·40mm,ðÒg,ì·70mmo3)ᛀḄᨬ!-᳛Ὂឋ⌕º·ᢥ%᪗《ÎÏÂ᪀(³》GB50010Ḅv᡻。4.2.8Ẉ、eᙽ■ÍᛀḄ᪀⌼·×ᔠúᑡv:1■Íᛀᛀ¬·᪷¯(¬©vឋ³w¥v,¬ì·300mmo2µẈqÓẈḄ(¬®ëì·µMU10,ᐸe5ṺØ(¬®ëì·µM5,ÎÏqÓẈḄe5ṺØ(¬®ëì· µMb5;ÎÏueᙽḄ(¬®ëì·µMU7.5,ᐸe5ṺØ(¬®ëì·µMb7.5;Ạreäg,r(¬®ëì·µMU30;Øe·⛳Éb!Ëìò¯ᵨẈeä。3ᛀ⚔·¢3,-ÎÏ×⚔,×⚔ᙠX³¸ᜐ·Àk。4ᢙ◫(■«¬ᜧᡈ®6¬Ḅᙢᡈᙢᩩºᩖ、ᙢ¡¢pᜧḄᙢïQ(᦮äឋḄÂ᪀õ"。5ᜳîẈe■Íᛀ·×ᔠúᑡ᪀⌼⌕º:1)ÿ5Ẉᜋ¬ìÃ240mm;2)ëᛀ&K◞1.5m〜2.0mÃ(ì200mm ÂᜋÙÿ5ᜋÍÅe5;3)·í300mm〜500mm¬Ḅ],¬·ᑖÒã!,×!0ᦪìÃ0.90;4)ᛀ⚔·¢3,-ÎÏ×⚔,×⚔ᙠX³¸ᜐ·Àk。6eä■ÍᛀḄὊឋ⌕º·×ᔠ%᪗《eäÂ᪀(³》GB50003Ḅᨵᐵv。4.2.9Øer■ÍᛀḄ᪀⌼·×ᔠúᑡv:1ᛀ©Ạᨬ¬·᪷¯(¬©vឋ³w¥v¬ì·500mm,Ạ᪀⌼·×ᔠ%᪗《"5ᙢẠ(³》GB50007Ḅᨵᐵv;2r(¬®ëì·µMU30,ṺØ(¬®ëìõM10,Øe·⛳Éb!;3ᛀ⚔·¢3,-ÎÏ×⚔,×⚔ᙠX³¸ᜐ·Àk;4ᛀ·¢1:1Ṻظ。4.2.10■ᜋ、◞ᛀ、◞ᜋḄ᪀⌼·×ᔠúᑡv:1eä■ᜋ、◞ᛀ、◞ᜋ¬ìÃ200mm,·+☢âṺØ,⚔)Ã(,-ÎÏ×⚔,×⚔ᙠX³¸ᜐ·Àk;2r■ᜋ、◞ᛀ、◞ᜋ¬ìÃ400mm,·+☢Ṻظ,⚔)Ã(,-ÎÏ×⚔,×⚔ᙠX³¸ᜐ·Àk。12 5■ÍᛀḄ(¬³w©vឋÄw5.1₹Àᦔ·ᙢ◫|ᵨᦔ·Ḅªᔠ5.1.1■Íᛀ(³·ᢥ"À¾_᩽▲´᝱ÊᛀᑁÉÙ6f₹Àᦔ·Ḅlªᔠ³w。ᙠ7¬©7¬ᙢ,·Êᙢ◫|ᵨᦔ·ᐸt₹Àᦔ·Ḅlªᔠ³w。5.1.2ÊᛀᑁÉÙ6f₹Àᦔ·lªᔠ³wg,₹Àᦔ·lªᔠḄ(³ÿ·ᢥú³w:S=Yg^Gk7ySYk+7t*STk(5.1.2):S——₹Àᦔ·ªᔠḄ(³ÿ;7g>7y.7t——ᑖ¥ᛀ¡þ₹À、☟Ù×_、☟×_₹Àᑖ⚗0ᦪ,Qÿᢥ⊤5.1.4¥v;SGk——ᢥᛀ¡þ₹À᪗ÿ³wḄᦔ·ÿ;SYk——ᢥ☟Ù×_₹À᪗ÿ³wḄᦔ·ÿ;STk——ᢥ☟×_₹À᪗ÿ³wḄᦔ·ÿ。5.1.3ᙢ◫|ᵨᦔ·ᐸt₹Àᦔ·Ḅlªᔠ³wg,₹Àᦔ·ᙢ◫|ᵨᦔ·ªᔠḄ(³ÿ·ᢥú³w:nS=7gSge7ySgy7t*SgtH-^/Eh(SEGk+^EYk+^ETk)i=l(5.1.3):7。、ö、71"ᑖ¥ᛀ¡þ₹À、☟Ù×_、☟×_₹Àᑖ⚗0ᦪ,Qÿᢥ⊤5.1.4¥v;7eh——#ᙢ◫|ᵨᑖ⚗0ᦪ,Qÿᢥ⊤5.1.4¥v;SGE——ᢥᛀ¡þ₹À⊤ÿ³wḄᦔ·ÿ;SGY——ᢥ☟Ù×_₹À⊤ÿ³wḄᦔ·ÿ;_SGT——ᢥ☟×_₹À⊤ÿ³wḄᦔ·ÿ;13 sECk、sEYk、sETk——ᑖ¥ᢥᛀ#ᙢ◫|ᵨ᪗ÿ、#SÙ×_᪗ÿ#S×_᪗ÿ³wḄᦔ·ÿ;^ttªᔠÿ0ᦪ,Q0.6。5.1.4₹Àᦔ·ᙢ◫|ᵨᦔ·lªᔠḄᑖ⚗0ᦪ·×ᔠúᑡv:1é☢(¬³wg,ᑖ⚗0ᦪ·ᢥ⊤5.1.4¯ᵨ,Â᪀¡þ₹Àᦔ·[Â᪀"À_ᨵᑭg,Q1.0;2ÊvឋÄwg,ᔜᑖ⚗0ᦪᙳQ1.0。⊤5.1.4₹Àᦔ·ᙢ◫|ᵨᦔ·lªᔠḄᑖ⚗0ᦪᡠὃ⇋Ḅªᔠ7g7y7t/EhᛀᑁÉÙ6f₹Àᦔ·lªᔠ1.21.01.2ᙢ◫|ᵨᐸt₹Àᦔ·lªᔠ1.21.01.21.3Û:⊤“t”⊤ªᔠìὃ⇋®⚗₹Àᡈ|ᵨᦔ·。5.2₹Ø、ᙢ◫VᵨᑁC;<5.2.1¡þ₹À᪗ÿᢥú³w’•Glk=yB1H1(5.2.1):Glk——Knᛀ&³wé☢ᛀ¡þ₹À᪗ÿ(kN/m);H,——³wé☢Dᛀ⚔☢ḄEè(m);Bi——³wé☢ᛀḄ#ᙳ¬(m);7——ᩞþ¬(kN/m3)。5.2.2■Íᛀᑁ5ᡠMḄ☟Ù×_₹À᪗ÿ(»5.2.2)ᢥúᑡa³w:pYk=7y^(5.2.2-1)P^=vyH(5.2.2-2)=PyM(5.2.2-3)14 Ho=jHy(5.2.2-4)jYk——Knᛀ&☟Ù×_ëÙäñ¬ᑖḄ#₹À᪗ÿ(kN/m2);7y----ᛀᑁÙäþ¬,Q10kN/m3;Z——Ùäñ¬(m);Py,——³wé☢Knᛀ&☟Ù×_ᔠ_᪗ÿ(kN/m);Hy——³wé☢DÙ☢Eè(m);MYk——³wé☢Knᛀ&☟Ù×_ᔠ_[³wé☢Ḅ᪗ÿ(kN•m/m);Ho——³wé☢Knᛀ&☟Ù×_ᔠ_õvD³wé☢ḄEè(m)。»5.2.2☟Ù×_³wλ5.2.3■ÍᛀᑁVḄ☟×_₹À᪗ÿ(»5.2.3)ᢥúᑡ⌕º³w:1»5.2.3ḄᢚAFD×_ᑖù,Fᢚ|,ᐸ×_ᑖᢥúᑡa³w:15 ᜛Ak=0(5.2.3-1)pGk=ytH2Ka(5.2.3-2)KhH(5.2.3-3)Ka-K:h=atan^(5.2.3-4)g,pBk=7tH1Kgi(5.2.3-5)g,p^y^H^h^K:(5.2.3-6)Kstan2(45°—(5.2.3-7)cos21K:(5.2.3-8)sin1sin(Î+Ï)l+>cos/3/iPMl、qBk-ᑖ¥ᛀ⚔³wé☢ᜐKnᛀ&☟×_ᑖ₹À᪗ÿ(kN/m2);pG^-×_ᑖùᢚᜐḄKnᛀ&☟×_ᑖ₹À᪗ÿ(kN/m2);VᚁÙᛀÛ&ḄY|A,Dᛀ⚔ḄEè(m);•16 a——V⚔☢;¬(m);H,——³wé☢V2¬(m);H2——×_ᑖùᢚ|Dᛀ⚔ḄEè(m);^^Vᚁ☢Ù#☢Ḅᜳ&(°);7t——äþ¬,Q16kN/m3〜18kN/m3;Ka——ABᐝᛀÛÐí☢#gḄÐS×_0ᦪ,ᢥ(5.2.3-7)³wᡈᢥl▬A⊤A.0.1¥v;K——AAᎷᛀÛÐVᚁ☢Ù#ᡂ^&gḄÐS×_0ᦪᢥ(5.2.3-8)³wᡈᢥl▬A⊤A.0.2¥v;——VḄᑁ᥅ì&(°),ð!ÄÆᧇg,᪷¯ḄឋQ35°〜40°。2g,×_ᔠ_©ᢥúᑡa³w:^Tk—(5.2.3-9)MTk=PTkH0(5.2.3-10)H0=jH1(5.2.3-11):PTk——³wé☢Knᛀ&☟×_ᔠ_᪗ÿ(kN/m);MTk——³wé☢Knᛀ&☟×_ᔠ_[³wé☢Ḅ᪗ÿ(kN•m/m);Ho——³wé☢Knᛀ&☟×_ᔠ_|ᵨõvD³wé☢ḄEè(m)。3g,×_ᔠ_©ᢥúᑡa³w:PTk=jpG]lH1--YpBk(H1-H2)(5.2.3-12)iVfTk=PTk(5.2.3-13)rr_pGkH1(2Hi—H2)+^Bk(H!—H2)20n.Ho^(5.2.3-14)17 5.2.4■ÍᛀMᑮḄ#ᙢ◫|ᵨḄ³w·×ᔠúᑡv:1,-ÎÏ■ÍᛀḄ#ᙢ◫|ᵨ(»5.2.4-1)᪗ÿᢥúᑡa³w:»5.2.4-1,-ÎÏ■Íᛀ#ᙢ◫|ᵨ³wλP=rj1amaxyB1(1—cosᐱ)(5.2.4-1)ÐEGkPEG^=rj1am^aiyB1H(5.2.4-2)^EGk=PEGkH0(5.2.4-3)H0=a2H(5.2.4-4):P"E.Gk"Knᛀ&#ᙢ◫|ᵨᑖÿ(kN/m2);PF.Olc"-³wé☢Knᛀ&#ᙢ◫|ᵨᔠ_᪗ÿ(kN/m);-³wé☢Knᛀ&#ᙢ◫|ᵨᔠ_[³wé☢Ḅ᪗ÿ(kN•m/m);amax——#ᙢ◫ñP0ᦪᨬᜧÿ,(■«¬7¬、8¬9¬gᑖ¥Q0.08(0.12)、0.16(0.24)0.32,åᑁᦪÿᑖ¥ᵨ(³lᙢ◫Ú¬0.15g0.30^■Ḅᙢ;Vl——,-ÎÏ■ÍᛀlQuÅÙ0ᦪ,Q1.6;X——³wé☢DẠ⚔☢ḄEè(m);ai>a2——᪷¯X/HÿºòḄn·0ᦪ,ᢥ⊤5.2.4¥v;Ho——³wé☢Knᛀ&#ᙢ◫|ᵨᔠ_|ᵨ|18 D³wé☢ḄEè(m);H——Ạ⚔☢Dᛀ⚔Ḅ2¬(m);B,——³wé☢ᛀ#ᙳ¬(m)。2Ẉ、eᙽ©r■ÍᛀḄ#ᙢ◫|ᵨ(»5.2.4-2)ᢥúᑡa³w:X»5.2.4-2Ẉ、eᙽ©r■Íᛀ#ᙢ◫|ᵨ³wλPEGk=rj2amax7Bisin(5.2.4-5)^EGk=r/2amaxa3yB1H(5.2.4-6)■^EGk="PEGk"Ho(5.2.4-7)H0=a,H(5.2.4-8):VztẈ、eᙽ©:if■Íᛀ@lQuÅÙ0ᦪ,Q1.27;a3,a4—᪷¯X/H"ÿºòḄn·0ᦪ,ᢥ⊤5.2.4¥v。⊤5.2.4@ᦪa!、a2、a3、iZ4ᦪk⊤X/Haiaz0304X/Haaz03040.000.36340.73930.63660.68780.300.35240.45540.56720.39020.050.36330.68950.63470.58850.350.34600.41330.54280.35660.100.36300.63940.62880.54370.400.33760.37290.51500.32450.150.36200.59170.61900.50190.450.32680.33450.48410.29350.200.36010.54470.60550.46250.500.31350.35910.45020.26360.250.35700.49920.58820.42530.550.29750.26210.41350.2348•19• 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ʪᔠḄKnᛀ&Á_(³ÿ(kN•m/m);Mw—Knᛀ&ᚖ<₹Àᔠ_âḄv_(³ÿ(kN•m/m),ᢥ(5.4.3-2)³w。2v_(³ÿᢥú³w:=eG(5.4.3-2)^tᚖ<₹Àᔠ_|ᵨDẠḄ#Eè(m)。»5.4.3■Íᛀᢙ⌚Äw©»23 ▬A×_0ᦪ⊤A.0.1ÐS×_0ᦪKaᢥ⊤A.0.1¥v。⊤A.0.1;ë{C@ᦪ1^(|*=0;5=0)q(。)20222528303234Ka0.4900.4550.4060.1470.3330.3070.283H。)36384042454850Ka0.2600.2380.2170.1980.1720.1470.132A.0.2ÐS×_0ᦪK!ᢥ⊤A.0.2¥v。⊤A.0.2;ë{C@ᦪJ^(a=0;5=0)ᑁ᥅ì&Vᚁ¬ᓲ(°)♦n30354045220.3430.3280.3130.298250.3080.2950.2820.268280.2760.2650.2530.241300.2570.2470.2360.225320.2390.2290.2190.209340.2210.2130.2040.194360.2050.1970.1890.180380.1890.1820.1740.167400.1740.1680.1610.154420.1600.1540.1480.151450.1400.1350.1300.125480.1220.1180.1140.109•24• A.0.3S×_0ᦪ1^ᢥ⊤A.0.3¥v。⊤A.0.3<ë{C@ᦪKPH。)2224262830323436384042KP2.202.372.562.773.003.253.543.854.204.605.0425 ▬B■ÍᛀḄ᥅ì0ᦪ⊤Bê■ÇᛀḄ᥅>@ᦪḄ»¥᥅ì0ᦪPᛛ0.25〜0.30]ឋyᛛ0.30〜0.35xy0.35〜0.450.30〜0.40Ṻ、NṺ、ÔṺ0.40〜0.50ãr0.40〜0.60§b0.40—0.60⊤☢NþḄyb0.65〜0.75Û:1[᧕°ᓄḄ§bᛛឋᢣᦪᓃ>22]ឋ^ÿ·Ä¥v;2[ãr,᪷¯ᐸb!¬、íᐙᱥ´f、°ᓄ¬®¥v。•26• lᵨ1ᙠ᡻lᩩᦻg¥[,[⌕º÷¬ìcḄᵨ᝞ú:1)⊤÷,¦᪵¢ìḄ:☢¯ᵨ_`,³☢¯ᵨἭ;2)⊤÷,ᙠ¤efúᙳ·᪵¢Ḅ:☢¯ᵨ·,³☢¯ᵨì·ᡈìò;3)⊤ᐕHaᨵ⌱,ᙠᩩºHg✌ᐜ·᪵¢Ḅ:☢¯ᵨÃ,³☢¯ᵨìÃ;4)⊤ᨵ⌱,ᙠtvᩩºú᪵¢Ḅ,¯ᵨ。2ᩩᦻᢣ·ᢥᐸtᨵᐵ᪗᡻ḄᑏF·×ᔠ……Ḅvᡈ·ᢥ……᡻。27 ᵨ᪗《eäÂ᪀(³》GB50003《"5ᙢẠ(³》GB50007《ÎÏÂ᪀(³》GB50010《rÃÉ(³》GB50074《rÃᓄ6« (³■Í》GB50160《rÃᜩᯠ6(³■Í》GB50183《rÃᜓÉ(³》GB5073728 ᐳ%᪗L■Íᛀ(³GB50351-2014ᩩᦻ ²±《L■Íᛀ(³》GB50351—2014,#$%&"()201433ᨴ31-s364aᢇ。lÓᙠ《L■Íᛀ(³》GB50351—2005ḄẠ²±ÐᡂḄ。t᱐ḄÐᓫõÓrÃᜩᯠ⍝6ᨵ▲ab,ÅᓫõÓrᓄ6"(ab、rᓄþÿabÁ»(³ᢈ、åÁ)"5(³Ẇ¨▾,Ð⌕¢₝Ó▰2Ö、oᚄ、#、ᑢᩰ5、²OE、,、¸2、ℏ¹、H3ᐗ、¶ᵭ、▰×、Hᦻ、▮Y、/ᦻ⃅。l²±è,ᑴªÊ»¼Ḅ½¾Ẇ¨,ÁÂᡃéᓄ60z■Íᛀ6"(Ḅ!ÃÄ,cgÅὃ᜜ᐜÊᢈF、ᢈ᪗,µè[ᡂḄéᓄ60z■ÍᛀḄ(³Êᑖ᪆、Äô,Ëᙠ»¼ÍºÎÏḄẠ,³®Ẇ¨,Qò■Íᛀ(³Ḅþ⌕ᢈÅᦪ。»ᜧ(³、"6âᓫõᨵᐵᕒᙠ¼ᵨlg¾¥ᳮå᡻ᩩᦻv,《L■Íᛀ(³》ᑴªᢥ;、⁚、ᩩ&EᑴlḄᩩᦻ,[ᩩᦻvḄGḄ、¯©᡻◤ÛÎḄᨵᐵ⚗Ê,ØḼþ[(ᑴឋᩩᦻḄ(ᑴឋᳮᵫ¢åæ。¹ÓlᩩᦻìᐹᜓÙ᪗ᦻ®cḄFᦔ_,¼¼ᵨὅ|ᳮåz᪗vḄÅὃ。•31 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