球墨铸铁管道壁厚与管道压力计算、管件、检查井、防水套管.docx

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1、附录A管道壁厚与管道压力计算A.0.1压力分级管的壁厚计算应符合下列规定：a)管的最小壁厚(eG不应小于3mm,并应按下式计算：SFPFADE(A0l-l)f2RmSFPF式中：Cllin一管的最小壁厚(mm)；PFA一管的允许工作压力(MPa)；DE-管道外径(mm)；SF安全系数，取3；乩一球墨铸铁抗拉强度(MPa),取420MPa。b)管的公称壁厚(enol)应按下式计算：JW=J+(1.3+OQ01D(A.0.1-2)式中：管的公称壁厚(mm)；A.0.2壁厚分级管的壁厚计算应符合下列规定：a)公称壁厚(enon)不应小于6mm,并应按下式计算:efim=(05+O.OOlDAT)(A

2、0.2-1)式中：DN-管道公称直径(mm)；K一壁厚级别系数，取712中的整数。b)最小壁厚(dG应符合下列规定：1)公称壁厚(eno.)取6mm时,最小壁厚应为4.7mm；2)公称壁厚(enoB)大于6mm时，最小壁厚应按下式计算:=JT+0001DN)(A.0.2-2)c)管的允许工作压力(PFA)应按下列公式计算:2enunRkPFA=/一(A.0.2-3)DSF(A.0.2-4)wu=e1lw-(23+0.001D)(A.0.3)D=DE-em4n式中：D-管道平均直径(mm)0A.0.3管件的公称壁厚(&G应符合现行国家标准排水工程用球墨铸铁管、管件和附件GB/T26081及水及

3、燃气用球墨铸铁管、管件和附件GB/T13295的有关规定，管件的最小壁厚(e.)应符合下列规定：a)公称壁厚(enon)取7mm时，最小壁厚应为4.7mm；b)公称壁厚(enon)大于7mm时，最小壁厚应按下式计算：A. 0.4管的最大允许工作压力(2附)应按下式计算:(A.0.4)PMA1.2PFA式中：PMA-管的最大允许工作压力(MPa)O附录B球墨铸铁管件B. 0.1球墨铸铁支墩和U型管卡主要结构和尺寸a)球墨铸铁支墩图B.0.17球墨铸铁支墩结构示意图表B0.17球墨铸铁支墩的尺寸DN1.(mm)B(mm)H(mm)R(mm)1.l(mm)Bl(mm)Sl(mm)S2(mm)Ml(m

4、m)M2(mm)200400250200400116400150300125Ml280M12150250450250200-400142455150350125M1280M12150300500250200-400168495150400125M1280M12150350550250200-400194600150450125M1290M12150400700250200-500219.5652150600125M1290M12150450750250200500245705150650125M1290M12150500830300200-500271798200710150M16110M16

5、200600920300250-500322.5905200800150M16120M162007001010300250-5003741008200890150M16120M1620080011003002505004261112200980175M16130M162009001130350250-500477.51260200990175M20140M202501000122035025060052913622001080240M20140M20250HOO1370350250-60058114702501250240M20150M2025012001460350250-600632.51

6、5702501360240M20150M2025014001670400300-60073617822501530240M24150M24250b)U型管卡主要结构和尺寸图B.0.1-2球墨铸铁支墩结构示意图表B.0.1-2球墨铸铁支墩的尺寸(mm)DNR(Inm)1.(mm)1.l(mm)H(mm)B(mm)M(mm)20011840032010080M12*15025014445337312580M12*15030017050042514580M12*15035019660050017580M12*15040022265255220080M12*15045024870660522580M1

7、2*150500272798678250100M16*200600326905785300100M16*2007003781008888350100M16*2008004301112992400100M16*20090048212651120450100M20*250100053313621222500100M20*250120063715701440600120M20*250140074017821632700120M24*250B.0.2马鞍式修补器规格a)直通抢修器示意图及规格|面-A图B02T直通抢修器结构示意图表B027直通抢修器的尺寸（mm）DNDl(mm)D2(mm)D3(mm)

8、D4(mm)D5(mm)1.短(mm)1.长(mm)2002282522542723053004503003323603643804264005504004354594654865204006005005385715755956345007006006416786786987516008008008508918879279908001000b）承口抢修器示意图及规格图B.0.2-2承口式抢修器结构示意图表B.0.2-2承口式抢修器尺寸规格表DNDl(mm)D2(mm)D3(mm)D4(mm)D5(mm)D6(mm)1.(mm)2002282522543082723403003003323603

9、644163804464004004354594655104865504005005385715756345956745006006416786787406987806008008508918879739271033800B.O.3马鞍式管卡a）马鞍式管卡示意图及规格图E.0.3-2马鞍式管卡示意图（适用于DN4OO以上）表B.0.3T马鞍式管卡的尺寸规格(nun)适用管径（mm）1.(mm)H(nun)DN100*50114122/DN150*50165173/DN200*50216-224/DN300*50318-327/DN400*50420-430/DN100*80114-122250

10、105DNl00*100114-123250105DNl50*80165-173250105DN150*100165174250105DN150*150165175310110DN200*80216224250105DN200*100216225250105DN200*150216226310HODN200*200216-227400115DN250*100268-275250105DN250*150268-275310110DN250*200268-275400115DN300*100318-327260105DN300*150318-327330noDN300*20031832740011

11、5DN400*100420430250105DN400*150420430310HODN400*20042043038015DN400*300420-430520120DN500*100523533260105DN500*150523533320IlODN500*200523533380115DN500*300523533520120DN500*400523533620120DN600*100626-636270105DN600*150626-636330IlODN600*200626-636390115DN600*300626-636520120DN600*400626-636620120D

12、N700*100728-739270105DN700*150728-739340IlODN700*200728739400115DN700*300728739520120DN700*400728739620120DN800*100832843270105DN800*150832843340IlODN800*200832843400115DN800*300832-843520120DN800*400832-843620120DN900*100934-946270105DN900*150934-946340IlODN900*200934-946400115DN900*300934-94654012

13、0DN900*400934946620120DN1000*10010367049270105DN1000*15010361049340IlODN1000*20010361049400115DN1000*30010361049540120DN1000*4001036-1049620120DN1200*1001241-1256270105DN1200*1501241-1256340IlODN1200*2001241-1256400115DNl200*3001241-1256540120DN1200*4001241-1256620120B.0.4机械三通示意图及规格图B.04机械三通结构示意图（适用

14、于DN200及以下）表B.0.4机械三通尺寸规格表（mm）规格（mm）H1(mm)H2(mm)1(mm)2(mm)3(mm)1.l(mm)DN100*50206016612850135DN150*50246521617850140DN200*50246527023050150DN100*65206016612865155DN150*65246521617865160DN200*65246527023065170规格（mm）1.2(mm)1.3(mm)1.4(mm)1.5(mm)nd(mm)DN100*508521226090421DN150*509026030590421DN200*50100

15、32537090424DN100*6585212260110421DN150*6590260305110421DN200*65100325370110424附录C球墨铸铁检查井C. 0.1直筒流槽式检查井（图C.O.1）的规格尺寸宜符合表C.O.1的规定。1井盖；2支撑圈；3档圈；4-井筒；5井室：6管件三通：7路面：S-马鞍式管卡图C0.1直筒流槽式检查并示意图表C0.1直筒流槽式检查井规格尺寸表井筒直径d(mm)井室外径D(mm)h(mm)hi(mm)1.u(mm)连接管DN(mm)300326340230195100455340205200400429340230245100455340

16、255200500532340230295100455340310200570450320300600635340230345100455340360200570450370300700738340230400100455340410200570450420300670550430400800842340230445100455340460200570450470300670550480400C.0.2收口流槽式检查井(图C.0.2)的规格尺寸宜符合表C.0.2的规定。1井盖；2支撑圈；3档圈；4-井筒：5井室：6管件三通：7路面：S-马鞍式管卡图C.0.2收口流槽式检查并示意图表C02收口流

17、槽式检查井规格尺寸表井室规格DN井筒规格d(mm)井室外径D(mm)h(不进人)(mm)h(进人)(mm)hl(mm)1.u(mm)连接管DN(mm)100060010488551800340560200700970450570300108055558040080011856605905001280760600600120060012551130555680400700123566069050013407607006008001445870710700140060014621285660790500700139076080060080015058758107001610980820800160

18、0600166816609809208007001800HOO9309008001900190012009451000C.0.3直筒沉泥式检查井(图C.0.3)的规格尺寸宜符合表C.0.3的规定。1井盖；2支撑圈；3档圈；4-井筒；5井室：6管件三通：7路面：S-马鞍式管卡图C0.3直筒沉泥式检查并示意图表C.0.3直筒沉泥式检查井规格尺寸表井筒直径d(mm)井室外径D(mm)h(mm)hi(mm)1.u(mm)连接管DN(mm)60063558040034510069540036020080540037030070073869540041020081040042030092540043040

19、0800842700400460200815400470300925400480400C.0.4收口沉泥式检查井(图C.0.4)的规格尺寸宜符合表C.0.4的规定。1井盖；2支撑圈；3档圈；4-井筒；5井室：6管件三通：7路面：S-马鞍式管卡图C0.4收口沉泥式检查并示意图表C0.4收口沉泥式检查井规格尺寸表井室规格DN井筒规格d(mm)井室外径D(mm)h(mm)hi(mm)1.u(mm)连接管DN(mm)1000600104811454005602007001250400570300137040058040080015805005905001680500600600120060012551

20、425400680400700163050069050017405007006008001840500710700140060014621680500790500700178550080060080018955008107002000500820800160060016682050500920800700217550093090080022805009451000C.0.5管件沉泥式检查井(图C.0.5)的规格尺寸宜符合表C.0.5的规定。（八）偏三通式(b)正三通式1-井盖：2支撑圈：3档圈；4-井筒：5井室；6-马鞍式管卡：7路面图C0.5管件沉泥式检查井示意图表C.05管件沉泥式检查井规

21、格尺寸表主管规格DN井筒规格d(mm)1.u(mm)J(mm)D(mm)H(mm)偏三通1.u(mm)正三通1.u(nun)1600700780127512554008859101800700900138014624009751010200070010251490166845010551110220070011251595187550011301210主管规格DN井简规格d(mm)1.u(mm)J(mm)D(mm)H(mm)偏三通1.u(mm)正三通1.u(mm)240070012651705208250012001310附录D球墨铸铁防水套管D. 1球墨铸铁柔性防水套管D.1.1柔性T、K型

22、承插防水套管D.1.1-2,尺寸应符合表D.1.1的规定。序号名称材科备注1球展济铁管1虹4202柔性T型承看杰管1QT4203*体141柔性T、K型承插防水套管结构示意图见图D.1.17、标引序号说明：1球墨铸铁管(QT420)；2柔性T型承插套管(QT420)；3墙体(混凝土)；4T型胶圈(橡胶)。图DJJT柔性T型承插防水套管示意图月号名称Af材料备注11QT42021QT4203埼体1%4KlMK1施胶5K星压兰1QT42。6KSM0235标引序号说明：1一球墨铸铁管(QT420)；2柔性K型承插套管(QT420)；3墙体(混凝土)；4K型胶圈（橡胶）；5K型压兰；6K型螺栓螺母。图D

23、1.1-2柔性K型承插防水套管示意图表D.11柔性T、K型承插防水套管尺寸DNe(mm)Dl(mm)D2(mm)1.l(mm)807109225600-20001007.21302461507.81833142008.423537025092884323009.634048840010.844560345011.449865650012.055071260013.265582670014.476094680015.6865106990016.89701174100018.010751293110019.211801406120020.412851526140022.8149217511600

24、25.216991996180027.619052200200030.021072410D.1.2柔性T、K型双承防水套管柔性T型双承防水套管结构示意图见图D.1.2-1、D.1.2-2,尺寸应符合表D.1.2的规定。月号名彝材料各法1球”铁管2QT4202柔性T型双承东曾1QT4203立体14T型殿2像朕标引序号说明：1球墨铸铁管（QT420）；2柔性T型双承套管（QT420）；3墙体（混凝土）；4T型胶圈（橡胶）。图D.1.2-1柔性T型双承防水套管示意图标引序号说明：1一球墨铸铁管（QT420）；2柔性K型双承套管（QT420）；3墙体（混凝土）；4K型胶圈（橡胶）；5K型压兰；6-K型

25、螺栓螺母。图D.1.2-2柔性K型双承防水套管示意图表D.12柔，ITxK型双承防水套管尺寸DNe(mm)Dl(mm)D2(mm)1.l(mm)807109225600-20001007.21302461507.81833142008.423537025092884323009.634048840010.844560345011.449865650012.055071260013.265582670014.476094680015.6865106990016.89701174100018.010751293110019.211801406120020.412851526140022.81492

26、1751160025.216991996180027.619052200200030.021072410D.1.3柔性双插防水套管A型序号名称ftt林属备注1球要传铁管1QT4202柔佳门（双承卒IfIQT4203*1Oi4252QT42060235柔性双插防水套管A型结构示意图见图D.1.3,尺寸应符合表D.I.3的规定。3序号名称H材料备注1球”铁管1QT4202柒性双指防水到1QT4203埼体1Ol4TOH1标引序号说明：1球墨铸铁管（QT420）；2柔性双插套管A型（QT420）；3墙体（混凝土）;4Y型胶圈；图D.13柔性双插防水套管A型示意图表D.1.3柔性双插防水套管A型尺寸DN

27、e(mm)Dl(mm)D2(mm)1.(mm)807109225300-10001007.21302461507.81833142008.423537025092884323009.634048840010.8445603300-200045011.449865650012.055071260013.265582670014.476094680015.6865106990016.89701174100018.010751293110019.211801406120020.412851526140022.814921751160025.216991996180027.61905220020003

28、0.021072410D.2球墨铸铁刚性防水套管D.2.1刚性双插防水套管B型刚性双插防水套管B型结构示意图见图D.2.1,尺寸应符合表D.2.1的规定。标引序号说明：1球墨铸铁管（QT420）；2刚性双插套管（QT420）；3墙体（混凝土）；4T型胶圈（橡胶）。图D2.1刚性防水双插套管B型示意图表D21刚性双插防水套管B型尺寸（mm）DNe(mm)外径DE(mm)D2(mm)1.l(mm)8079822060010001007.21182201507.81702852008.422234025092744003009.632645540010.8429565800200045011.448

29、061550012.053267060013.263578070014.473889580015.6842101590016.894511151000-2000100018.010481230110019.211521340120020.41255145512002000140022.814621675160025.216681915180027.618752115200030.020822325D.2.2刚性承插防水套管声号名称ftf材料备注12QT4202MttM*1QT4203*体1Oi42除及刚性T、K型承插防水套管结构示意图见图D.2.2-1和图D.2.2-2,尺寸应符合表D.2.2

30、的规定。序号名称敷置材料备注:球星超管2QT4202刚性T型禾插套管1QT4203堵体1U4TflRN2衣股标引序号说明：1球墨铸铁管（QT420）；2刚性承插套管（QT420）；3墙体（混凝土）；4T型胶圈（橡胶）。图D.2.2-1刚性T型承插防水套管示意图序号名称效量材料各注1球星传铁管2QT4202柔性K型*插番管1QT4203*体1Oi4K型爆栓媒号Q2355K型压兰2QT4206Klltl2坡茨标引序号说明：1球墨铸铁管（QT420）；2柔性K型承插套管（QT420）；3墙体（混凝土）；4K型螺栓螺母；5K型压兰（QT420）；6K型胶圈（橡胶）。图D.2.2-2刚性K型承插防水套管

31、示意图表D.2.2刚性承插防水套管尺寸DNe(mm)Dl(mm)D2(mm)1.l(mm)A(mm)80798220600-10001001007.2118220600-10001001507.817028560010001002008.422234060010001002509274400600-10001003009.6326455600-1000100DNe(mm)Dl(mm)D2(mm)1.l(mm)A(mm)40010.8429565700-200011045011.4480615700-200012050012.0532670700200012060013.263578070020

32、0013070014.4738895700200015080015.68421015700-200016090016.89451115800-2000175100018.010481230800-2000185110019.2115213408002000205120020.41255145510002000220140022.81462167510002000245160025.2166819151000-2000270180027.6187521151000-2000280200030.0208223251000-2000320D.2.3刚性T、K型双承防水套管刚性T、K型双承防水套管结构

33、示意图见图D.2.3-1和图D.2.3-2,尺寸应符合表D.2.3的规定。序号名称材料备注1球星传铁管2QT4202剧性T型双承善管1QT4203注体1Oi4TlRI2耀收标引序号说明：1球墨铸铁管（QT420）；2刚性承插套管（QT420）；3墙体（混凝土）；4T型胶圈（橡胶）。图D.2.3-1刚性T型双承防水套管示意图标引序号说明：1球墨铸铁管（QT420）；2柔性K型承插套管（QT420）；3墙体（混凝土）；4一K型胶圈（橡胶）；5K型压兰（QT420）；6K型螺栓螺母（Q235）。图D.2.3-2刚性K型双承防水套管示意图表D.2.3Rl性T、K双承防水套管尺寸DNe(mm)Dl(mm

34、)D2(mm)1.l(mm)80798220500-10001007.21182201507.81702852008.422234025092744003009.632645540010.8429565600-200045011.448061550012.053267060013.263578070014.473889580015.6842101590016.89451115100018.010481230110019.211521340120020.412551455140022.814621675160025.216681915180027.618752115200030.020822325D.2.4刚性盘插防水套管序号名客敷量材料1球是铸钱管2QT4202IR检K熨双米出管1QT4203殖体1迅比E4K型螺栓爆用02355K型A兰2QT4206KfKM2雄肢刚性盘插防水套管结构示意图见图D.2.4,尺寸应符合表D.2.4的规定。序号名称材料备注1族主管154202nQ23531救胶4M性盘插杰管1虹4205身体1o