球墨鑄鐵管道壁厚與管道壓力計算、管件、檢查井、防水套管

附錄A管道壁厚與管道壓力計算A.0.1壓力分級管的壁厚計算應符合下列規(guī)定：a）管的最小壁厚（emin）不應小于3mm，并應按下式計算：（A.0.1-1）式中：emin—管的最小壁厚（mm）；PFA—管的允許工作壓力（MPa）；DE—管道外徑（mm）；SF—安全系數(shù)，取3；Rm—球墨鑄鐵抗拉強度（MPa），取420MPa。b)管的公稱壁厚（enom）應按下式計算：（A.0.1-2）式中：enom——管的公稱壁厚（mm）；A.0.2壁厚分級管的壁厚計算應符合下列規(guī)定：a)公稱壁厚（enom）不應小于6mm，并應按下式計算：（A.0.2-1）式中：DN—管道公稱直徑（mm）；K—壁厚級別系數(shù)，取7～12中的整數(shù)。b)最小壁厚（emin）應符合下列規(guī)定：1）公稱壁厚（enom）取6mm時，最小壁厚應為4.7mm；2）公稱壁厚（enom）大于6mm時，最小壁厚應按下式計算：（A.0.2-2）c)管的允許工作壓力（PFA）應按下列公式計算：（A.0.2-3）（A.0.2-4）式中：D—管道平均直徑（mm）。A.0.3管件的公稱壁厚（enom）應符合現(xiàn)行國家標準《排水工程用球墨鑄鐵管、管件和附件》GB/T26081及《水及燃氣用球墨鑄鐵管、管件和附件》GB/T13295的有關規(guī)定，管件的最小壁厚（emin）應符合下列規(guī)定：a)公稱壁厚（enom）取7mm時，最小壁厚應為4.7mm；b)公稱壁厚（enom）大于7mm時，最小壁厚應按下式計算：（A.0.3）A.0.4管的最大允許工作壓力（PMA）應按下式計算：（A.0.4）式中：PMA—管的最大允許工作壓力（MPa）。附錄B球墨鑄鐵管件B.0.1球墨鑄鐵支墩和U型管卡主要結構和尺寸a)球墨鑄鐵支墩圖B.0.1-1球墨鑄鐵支墩結構示意圖表B.0.1-1球墨鑄鐵支墩的尺寸DNL(mm)B(mm)H(mm)R(mm)L1(mm)B1(mm)S1(mm)S2(mm)M1(mm)M2(mm)200400250200~400116400150300125M12×80M12×150250450250200~400142455150350125M12×80M12×150300500250200~400168495150400125M12×80M12×150350550250200~400194600150450125M12×90M12×150400700250200~500219.5652150600125M12×90M12×150450750250200~500245705150650125M12×90M12×150500830300200~500271798200710150M16×110M16×200600920300250~500322.5905200800150M16×120M16×2007001010300250~5003741008200890150M16×120M16×2008001100300250~5004261112200980175M16×130M16×2009001130350250~500477.51260200990175M20×140M20×25010001220350250~60052913622001080240M20×140M20×25011001370350250~60058114702501250240M20×150M20×25012001460350250~600632.515702501360240M20×150M20×25014001670400300~60073617822501530240M24×150M24×250b)U型管卡主要結構和尺寸圖B.0.1-2球墨鑄鐵支墩結構示意圖表B.0.1-2球墨鑄鐵支墩的尺寸（mm）DNR(mm)L(mm)L1(mm)H(mm)B(mm)M(mm)20011840032010080M12*15025014445337312580M12*15030017050042514580M12*15035019660050017580M12*15040022265255220080M12*15045024870660522580M12*150500272798678250100M16*200600326905785300100M16*2007003781008888350100M16*2008004301112992400100M16*20090048212651120450100M20*250100053313621222500100M20*250120063715701440600120M20*250140074017821632700120M24*250B.0.2馬鞍式修補器規(guī)格a)直通搶修器示意圖及規(guī)格圖B.0.2-1直通搶修器結構示意圖表B.0.2-1直通搶修器的尺寸（mm）DND1(mm)D2(mm)D3(mm)D4(mm)D5(mm)L短(mm)L長(mm)2002282522542723053004503003323603643804264005504004354594654865204006005005385715755956345007006006416786786987516008008008508918879279908001000b)承口搶修器示意圖及規(guī)格圖B.0.2-2承口式搶修器結構示意圖表B.0.2-2承口式搶修器尺寸規(guī)格表DND1(mm)D2(mm)D3(mm)D4(mm)D5(mm)D6(mm)L(mm)2002282522543082723403003003323603644163804464004004354594655104865504005005385715756345956745006006416786787406987806008008508918879739271033800B.0.3馬鞍式管卡a)馬鞍式管卡示意圖及規(guī)格圖B.0.3-1馬鞍式管卡示意圖（適用于DN400以下）圖E.0.3-2馬鞍式管卡示意圖（適用于DN400以上）表B.0.3-1馬鞍式管卡的尺寸規(guī)格(mm)適用管徑(mm)L(mm)H(mm)DN100*50114~122//DN150*50165~173//DN200*50216~224//DN300*50318~327//DN400*50420~430//DN100*80114~122250105DN100*100114~123250105DN150*80165~173250105DN150*100165~174250105DN150*150165~175310110DN200*80216~224250105DN200*100216~225250105DN200*150216~226310110DN200*200216~227400115DN250*100268~275250105DN250*150268~275310110DN250*200268~275400115DN300*100318~327260105DN300*150318~327330110DN300*200318~327400115DN400*100420~430250105DN400*150420~430310110DN400*200420~43038015DN400*300420~430520120DN500*100523~533260105DN500*150523~533320110DN500*200523~533380115DN500*300523~533520120DN500*400523~533620120DN600*100626~636270105DN600*150626~636330110DN600*200626~636390115DN600*300626~636520120DN600*400626~636620120DN700*100728~739270105DN700*150728~739340110DN700*200728~739400115DN700*300728~739520120DN700*400728~739620120DN800*100832~843270105DN800*150832~843340110DN800*200832~843400115DN800*300832~843520120DN800*400832~843620120DN900*100934~946270105DN900*150934~946340110DN900*200934~946400115DN900*300934~946540120DN900*400934~946620120DN1000*1001036~1049270105DN1000*1501036~1049340110DN1000*2001036~1049400115DN1000*3001036~1049540120DN1000*4001036~1049620120DN1200*1001241~1256270105DN1200*1501241~1256340110DN1200*2001241~1256400115DN1200*3001241~1256540120DN1200*4001241~1256620120B.0.4機械三通示意圖及規(guī)格圖B.0.4機械三通結構示意圖（適用于DN200及以下）表B.0.4機械三通尺寸規(guī)格表（mm）規(guī)格(mm)H1(mm)H2(mm)φ1(mm)φ2(mm)φ3(mm)L1(mm)DN100*50206016612850135DN150*50246521617850140DN200*50246527023050150DN100*65206016612865155DN150*65246521617865160DN200*65246527023065170規(guī)格(mm)L2(mm)L3(mm)L4(mm)L5(mm)nd(mm)DN100*508521226090421DN150*509026030590421DN200*5010032537090424DN100*6585212260110421DN150*6590260305110421DN200*65100325370110424附錄C球墨鑄鐵檢查井C.0.1直筒流槽式檢查井（圖C.0.1）的規(guī)格尺寸宜符合表C.0.1的規(guī)定。1—井蓋；2—支撐圈；3—檔圈；4—井筒；5—井室；6—管件三通；7—路面；8—馬鞍式管卡圖C.0.1直筒流槽式檢查井示意圖表C.0.1直筒流槽式檢查井規(guī)格尺寸表井筒直徑d（mm）井室外徑D（mm）h（mm）h1（mm）Lu（mm）連接管DN（mm）300326340230195100455340205200400429340230245100455340255200500532340230295100455340310200570450320300600635340230345100455340360200570450370300700738340230400100455340410200570450420300670550430400800842340230445100455340460200570450470300670550480400C.0.2收口流槽式檢查井（圖C.0.2）的規(guī)格尺寸宜符合表C.0.2的規(guī)定。1—井蓋；2—支撐圈；3—檔圈；4—井筒；5—井室；6—管件三通；7—路面；8—馬鞍式管卡圖C.0.2收口流槽式檢查井示意圖表C.0.2收口流槽式檢查井規(guī)格尺寸表井室規(guī)格DN井筒規(guī)格d（mm）井室外徑D（mm）h(不進人)（mm）h(進人)（mm）h1（mm）Lu（mm）連接管DN（mm）100060010488551800340560200700970450570300108055558040080011856605905001280760600600120060012551130555680400700123566069050013407607006008001445870710700140060014621285660790500700139076080060080015058758107001610980820800160060016681660980920800700180011009309008001900190012009451000C.0.3直筒沉泥式檢查井（圖C.0.3）的規(guī)格尺寸宜符合表C.0.3的規(guī)定。1—井蓋；2—支撐圈；3—檔圈；4—井筒；5—井室；6—管件三通；7—路面；8—馬鞍式管卡圖C.0.3直筒沉泥式檢查井示意圖表C.0.3直筒沉泥式檢查井規(guī)格尺寸表井筒直徑d（mm）井室外徑D（mm）h（mm）h1（mm）Lu（mm）連接管DN（mm）600635580400345100695400360200805400370300700738695400410200810400420300925400430400800842700400460200815400470300925400480400C.0.4收口沉泥式檢查井（圖C.0.4）的規(guī)格尺寸宜符合表C.0.4的規(guī)定。1—井蓋；2—支撐圈；3—檔圈；4—井筒；5—井室；6—管件三通；7—路面；8—馬鞍式管卡圖C.0.4收口沉泥式檢查井示意圖表C.0.4收口沉泥式檢查井規(guī)格尺寸表井室規(guī)格DN井筒規(guī)格d（mm）井室外徑D（mm）h（mm）h1（mm）Lu（mm）連接管DN（mm）1000600104811454005602007001250400570300137040058040080015805005905001680500600600120060012551425400680400700163050069050017405007006008001840500710700140060014621680500790500700178550080060080018955008107002000500820800160060016682050500920800700217550093090080022805009451000C.0.5管件沉泥式檢查井（圖C.0.5）的規(guī)格尺寸宜符合表C.0.5的規(guī)定。（a）偏三通式（b）正三通式井蓋；2—支撐圈；3—檔圈；4—井筒；5—井室；6—馬鞍式管卡；7—路面圖C.0.5管件沉泥式檢查井示意圖表C.0.5管件沉泥式檢查井規(guī)格尺寸表主管規(guī)格DN井筒規(guī)格d（mm）Lu（mm）J（mm）D（mm）H（mm）偏三通Lu（mm）正三通Lu（mm）1600700780127512554008859101800700900138014624009751010200070010251490166845010551110220070011251595187550011301210240070012651705208250012001310附錄D球墨鑄鐵防水套管D.1球墨鑄鐵柔性防水套管D.1.1柔性T、K型承插防水套管柔性T、K型承插防水套管結構示意圖見圖D.1.1-1、D.1.1-2，尺寸應符合表D.1.1的規(guī)定。標引序號說明：1—球墨鑄鐵管（QT420）；2—柔性T型承插套管（QT420）；3—墻體（混凝土）；4—T型膠圈（橡膠）。圖D.1.1-1柔性T型承插防水套管示意圖標引序號說明：1—球墨鑄鐵管（QT420）；2—柔性K型承插套管（QT420）；3—墻體（混凝土）；4—K型膠圈（橡膠）；5—K型壓蘭；6—K型螺栓螺母。圖D.1.1-2柔性K型承插防水套管示意圖表D.1.1柔性T、K型承插防水套管尺寸DNe（mm）D1（mm）D2（mm）L1（mm）807109225600~20001007.21302461507.81833142008.423537025092884323009.634048840010.844560345011.449865650012.055071260013.265582670014.476094680015.6865106990016.89701174100018.010751293110019.211801406120020.412851526140022.814921751160025.216991996180027.619052200200030.021072410D.1.2柔性T、K型雙承防水套管柔性T型雙承防水套管結構示意圖見圖D.1.2-1、D.1.2-2，尺寸應符合表D.1.2的規(guī)定。標引序號說明：1—球墨鑄鐵管（QT420）；2—柔性T型雙承套管（QT420）；3—墻體（混凝土）；4—T型膠圈（橡膠）。圖D.1.2-1柔性T型雙承防水套管示意圖標引序號說明：1—球墨鑄鐵管（QT420）；2—柔性K型雙承套管（QT420）；3—墻體（混凝土）；4—K型膠圈（橡膠）；5—K型壓蘭；6—K型螺栓螺母。圖D.1.2-2柔性K型雙承防水套管示意圖表D.1.2柔性T、K型雙承防水套管尺寸DNe（mm）D1（mm）D2（mm）L1（mm）807109225600~20001007.21302461507.81833142008.423537025092884323009.634048840010.844560345011.449865650012.055071260013.265582670014.476094680015.6865106990016.89701174100018.010751293110019.211801406120020.412851526140022.814921751160025.216991996180027.619052200200030.021072410D.1.3柔性雙插防水套管A型柔性雙插防水套管A型結構示意圖見圖D.1.3，尺寸應符合表D.1.3的規(guī)定。標引序號說明：1—球墨鑄鐵管（QT420）；2—柔性雙插套管A型（QT420）；3—墻體（混凝土）；4—Y型膠圈;圖D.1.3柔性雙插防水套管A型示意圖表D.1.3柔性雙插防水套管A型尺寸DNe（mm）D1（mm）D2（mm）L（mm）807109225300~10001007.21302461507.81833142008.423537025092884323009.634048840010.8445603300~200045011.449865650012.055071260013.265582670014.476094680015.6865106990016.89701174100018.010751293110019.211801406120020.412851526140022.814921751160025.216991996180027.619052200200030.021072410D.2球墨鑄鐵剛性防水套管D.2.1剛性雙插防水套管B型剛性雙插防水套管B型結構示意圖見圖D.2.1，尺寸應符合表D.2.1的規(guī)定。標引序號說明：1—球墨鑄鐵管（QT420）；2—剛性雙插套管（QT420）；3—墻體（混凝土）；4—T型膠圈（橡膠）。圖D.2.1剛性防水雙插套管B型示意圖表D.2.1剛性雙插防水套管B型尺寸（mm）DNe（mm）外徑DE（mm）D2（mm）L1（mm）80798220600~10001007.21182201507.81702852008.422234025092744003009.632645540010.8429565800~200045011.448061550012.053267060013.263578070014.473889580015.6842101590016.894511151000~2000100018.010481230110019.211521340120020.4125514551200~2000140022.814621675160025.216681915180027.618752115200030.020822325D.2.2剛性承插防水套管剛性T、K型承插防水套管結構示意圖見圖D.2.2-1和圖D.2.2-2，尺寸應符合表D.2.2的規(guī)定。標引序號說明：1—球墨鑄鐵管（QT420）；2—剛性承插套管（QT420）；3—墻體（混凝土）；4—T型膠圈（橡膠）。圖D.2.2-1剛性T型承插防水套管示意圖標引序號說明：1—球墨鑄鐵管（QT420）；2—柔性K型承插套管（QT420）；3—墻體（混凝土）；4—K型螺栓螺母；5—K型壓蘭（QT420）；6—K型膠圈（橡膠）。圖D.2.2-2剛性K型承插防水套管示意圖表D.2.2剛性承插防水套管尺寸DNe（mm）D1（mm）D2（mm）L1（mm）A（mm）80798220600~10001001007.2118220600~10001001507.8170285600~10001002008.4222340600~10001002509274400600~10001003009.6326455600~100010040010.8429565700~200011045011.4480615700~200012050012.0532670700~200012060013.2635780700~200013070014.4738895700~200015080015.68421015700~200016090016.89451115800~2000175100018.010481230800~2000185110019.211521340800~2000205120020.4125514551000~2000220140022.8146216751000~2000245160025.2166819151000~2000270180027.6187521151000~2000280200030.0208223251000~2000320D.2.3剛性T、K型雙承防水套管剛性T、K型雙承防水套管結構示意圖見圖D.2.3-1和圖D.2.3-2，尺寸應符合表D.2.3的規(guī)定。標引序號說明：1—球墨鑄鐵管（QT420）；2—剛性承插套管（QT420）；3—墻體（混凝土）；4—T型膠圈（橡膠）。圖D.2.3-1剛性T型雙承防水套管示意圖標引序號說明：1—球墨鑄鐵管（QT420）；2—柔性K型承插套管（QT420）；3—墻體（混凝土）；4—K型膠圈（橡膠）；5—K型壓蘭（QT420）；6—K型螺栓螺母（Q235）。圖D.2.3-2剛性K型雙承防水套管示意圖表D.2.3剛性T、K雙承防水套管尺寸DNe（mm）D1（mm）D2（mm）L1（mm）80798220500-10001007.21182201507.81702852008.422234025092744003009.632645540010.8429565600-200045011.448061550012.053267060013.263578070014.473889580015.6842101590016.89451115100018.010481230110019.211521340120020.412551455140022.814621675160025.216681915180027.618752115200030.020822325D.2.4剛性盤插防水套管剛性盤插防水套管結構示意圖見圖D.2.4，尺寸應符合表D.2.4的規(guī)定。標引序號說明：1—法蘭管（QT420）；2—螺栓螺母（Q235）；3—法蘭膠墊（橡膠）；4—剛性雙插套管（QT420）；5—墻體（混凝土）；6—T型膠圈（橡膠）；7—球墨鑄鐵管（QT420）。圖D.2.4剛性盤插防水套管示意圖表D.2.4剛性盤插防水套管尺寸DNe（mm）D1（mm）D2（mm）L1（mm）n80798220600~100081007.2118220600~100081507.8170285600~100082008.4222340600~100082509274400600~1000123009.6326455600~10001240010.8429565800~20001645011.4480615800~20002050012.0532670800~20002060013.2635780800~20002470014.4738895800~20002480015.68421015800~20002490016.894511151000~200028100018.0104812301000~200028110019.2115213401000~200032120020.4125514551200~200032140022.8146216751200~200036160025.2166819151200~200040180027.6187521151200~200044200030.0208223251200~200048D.2.5剛性雙盤防水套管剛性雙盤防水套管結構示意圖見圖D.2.5，尺寸應符合表D.2.5的規(guī)定。標引序號說明：1—法蘭管（QT420）；2—螺栓螺母（Q235）；3—法蘭膠墊（橡膠）；4—剛性雙插套管（QT420）；5—墻體（混凝土）。圖D.2.5剛性雙盤插防水套管示意圖表D.2.5剛性雙盤插防水套管尺寸（mm）DNe（