橡胶支座计算与选取

1、板式橡胶支座一、公路桥梁板式橡胶支座规格系列 1、范围本标准规定了板式橡胶支座的要求、规格系列及选用。 本标准适用于承载力小于5000kN 的公路桥梁用矩形、圆形平板式橡胶支座。 2、规范性引用文件下列文中的条款通过本标准的引用而成为本标准的条款。凡是注日期的引用文件，其随后所有的修改（不包括勘误的内容）或修订版均不适用于本标准，然而，鼓励根据本标准达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件，其最新版本适用于本标准。 JT/T4 一2004 公路桥梁板式橡胶支座JTG D60 一2004 公路桥涵设计通用规范JTG D62 一2004 公路钢筋混凝土及预应力混凝土桥

2、涵设计规范3、支座要求3 . 1支座产品分类、代号、结构、技术要求、试验方法、检验规则及标志、包装、贮存、运输、安装和养护均应满足JT/T4 一2004的要求.3 2 支座使用阶段平均压应力C10M Pa ( S 7时C8M Pa)；橡胶硬度60 ( IRHD ）时，其常温下剪变模量G = 1.OMpa 。剪变模量随温度下降而递增， 当累年最冷月平均温度的平均值O -10时为寒冷地区，G = 1 . 2MPa ；当低于-10 时为严寒地区，G = 1.5MPa ；当低于-25 时，G = 2 . 0 MPa  。全国气温分区图见JTG D60 一2004附录B。 3.3支座橡胶弹性体

3、体积模量Eb= 2000 MPa。支座与混凝土接触时，摩擦系数= 0 . 3 ，与钢板接触时，摩擦系数0 . 2 。聚四氟乙烯板与不锈钢板接触（加硅脂）时，f0 . 06 ，当温度低于-25 时，f值增大30 % ，当不加硅脂时，f应加倍。若有实测资料时，也可按实测资料采用。 3.4 橡胶支座剪切角 正切值，当不计制动力时，tan 不大于0 .5 ，当计入制动力时，tan 不大于0 .7.3.5 橡胶支座的计算和验算均应满足JTG D62 一2004的要求。4、普通板式橡胶支座4 . 1 普通板式橡胶支座结构示意图见图1 、图2 。4 . 2 普通板式橡胶支座代号，矩形为GJZ 、圆形为GYZ

4、。其规格系列见表1 ，表中符号意义如下： a ×b或d -平面尺寸或直径；Rck-最大承压力；S -形状系数；t -支座总厚度；1, -不计制动力时最大位移量；2 -计人制动力时最大位移量；t e-橡胶层总厚度；tan -允许转角正切值；RGk -抗滑最小承压力； 板式橡胶支座产品代号表示方法GJZ、GYZ板式橡胶支座规格系列选用参数序号la×lb（或d）RCKSt(mm)l1l2tetan（的单位为rad）RCK(KN)t1t0（mm）（KN）温热地区寒冷地区严寒地区温热地区寒冷地区严寒地区(mm)(mm)1GJZ 100×1501015.482157150.0

5、1070.0090.007435(53)42(63)53(79)52287.510.5200.0160.01350.01112GJZ 100×2001376.112157150.00870.00740.006147(70)56(84)70(105)52287.510.5200.01310.01110.00913GYZ  d15015472157150.00570.005 -41(62)49(74)62(93052287.510.5200.00850.00730.006351014250.01140.00970.0084212.517.5300.01430.0122

6、0.01014GJZ 150×15019672157150.00570.005 -53(79)63(95)79(118)52287.510.5200.00850.00730.006351014250.01140.00970.0084212.517.5300.01430.01220.01015GJZ 150×2002668.062157150.005 - -70(105)84(126)105(158)52287.510.5200.00670.00570.005351014250.00890.00770.00644212.517.5300.0112

7、0.00960.0086GJZ 150×2503368.84287.510.5200.00570.005 -88(131)105(158)131(197)52351014250.00770.00660.00554212.517.5300.00960.00830.00697GJZ 150×3004069.44287.510.5200.00520.005 -105(1580126(189)158(236)52351014250.00690.00660.0054212.517.5300.00890.00830.00638GYZ  d2002849.5

8、351014250.0051 - -73(110)88(132)110(165)524212.517.5300.00640.00550.005491521350.00770.00660.00565617.524.5400.00890.00770.00659GJZ 200×2003619.5351014250.0051 - -93(140)112(168)140(210)524212.517.5300.00640.00550.005491521350.00770.00660.00565617.524.5400.00890.00770.006510

9、GJZ 200×25045610.64212.517.5300.00540.005 -117(175)140(210)175(263)52491521350.00640.00560.0055617.524.5400.00750.00660.005611GJZ 200×3005517.1730811.2210.00660.00560.005140(210)168(252)210(315)83411216.8290.00980.00840.007521622.4370.01310.01120.009312GJZ 200×3506467.6230811.221

10、0.00590.0051 -163(245)196(294)245(368)83411216.8290.00890.00760.0063521622.4370.01180.01010.008413GJZ 200×4007417.9830811.2210.00550.005 -187(280)224(336)280(420)83411216.8290.00820.0070.0059521622.4370.01090.00930.007814GYZ  d2504527.5411216.8290.00730.00620.0052115(172)137(206)

11、172(258)83521622.4370.00970.00830.0069632028450.01210.01040.0086742433.6530.01460.01240.010315GJZ 250×2505767.5411216.8290.00730.00620.0052146(219)175(263)219(328)83521622.4370.00970.00830.0069632028450.01210.01040.0086742433.6530.01460.01240.010316GJZ 250×3006968.21411216.8290.00620.00540

12、.005175(263)210(315)263(394)83521622.4370.00830.00710.006632028450.01410.00890.0075742433.6530.01250.01070.00917GJZ 250×3508168.79411216.8290.00560.005 -204(306)245(368)306(459)83521622.4370.00740.00640.0054632028450.00930.0080.0067742433.6530.01110.00960.008118GJZ 250×4009369.2941121

13、6.8290.0051 - -233(350)280(420)350(525)83521622.4370.00680.00590.005632028450.00850.00730.0062742433.6530.01020.00880.007419GJZ 250×45010569.71411216.8290.005 - -263(394)315(473)394(591)83521622.4370.00630.00550.005632028450.00790.00680.0062742433.6530.00950.00820.007420GJZ

14、250×500117610.07411216.8290.005 - -292(438)350(525)438(656)83521622.4370.0060.0052 -632028450.00740.00650.0055742433.6530.00890.00780.006621GYZ  d3006619.06521622.4370.00590.0051 -165(247)198(297)247(371)83632028450.00740.00630.0053742433.6530.00880.00760.0064852839.261

15、0.01030.00890.007522GJZ 300×3008419.06521622.4370.00590.0051 -210(315)252(378)315(473)83632028450.00740.00630.0053742433.6530.00880.00760.0064852839.2610.01030.00890.007523GJZ 300×3509869.78521622.4370.00520.005 -245(368)294(441)368(551)83632028450.00650.00560.005742433.6530.0078

16、0.00680.0057852839.2610.00910.00790.006724GJZ 300×400113110.4521622.4370.005 - -280(420)336(504)420(630)83632028450.00590.0051 -742433.6530.00710.00620.003852839.2610.00830.00720.006125GJZ 300×450127610.92632028450.00550.005 -315(473)378(5670473(709)83742433.6530.00660.

17、00570.005852839.2610.00770.00670.005726GJZ 300×50014218.285416.523.1380.0070.00610.0051350(525)420(630)525(788)114692230.8490.00940.00810.00688427.538.5600.01170.01010.008427GJZ 300×55015668.585416.523.1380.00660.00570.005385(578)462(693)578(866)114692230.8490.00880.00760.00648427.538.5600

18、.0110.00950.008428GJZ 300×60017118.645416.523.1380.00630.00540.005420(630)504(756)630(945)114692230.8490.00840.00730.00618427.538.5600.01050.00910.007629GYZ  d35090810.63632028450.005 - -224(337)269(404)337(505)83742433.6530.00590.0051 -852839.2610.00680.0060.0051963244.8690

19、.00780.00680.005830GJZ 350×350115610.63632028450.005 - -286(429)343(515)429(643)83742433.6530.00590.0051 -852839.2610.00680.0060.0051963244.8690.00780.00680.005831GJZ 350×40013268.265416.523.1380.00610.0052 -327(490)392(588)490(735)114692230.8490.00810.00690.00588427.53

20、8.5600.01010.00870.0073993346.2710.02010.01040.008732GJZ 350×45014968.725416.523.1380.00550.005 -368(551)441(662)551(827)114692230.8490.00740.00640.00538427.538.5600.00920.00790.0067993346.2710.01110.00950.00833GJZ 350×50016669.125416.523.1380.0051 - -408(613)490(735)613(919

21、)114692230.8490.00690.00590.0058427.538.5600.00860.00740.0062993346.2710.01030.00890.007534GJZ 350×55018369.485416.523.1380.005 - -449(674)539(809)674(1011)114692230.8490.00640.00560.0058427.538.5600.00810.0070.0059993346.2710.00970.00840.007135GJZ 350×60020069.85416.523.1380.005

22、 - -490(735)588(882)735(1103)114692230.8490.00610.00530.0058427.538.5600.00760.00660.0056993346.2710.00920.00790.006736GYZ  d40011958.865416.523.1380.005 - -293(440)352(528)440(660)114692230.8490.00630.00540.0058427.538.5600.00790.00680.0057993346.2710.00940.00810.006837GJZ

23、400×40015218.865416.523.1380.005 - -373(560)448(672)560(840)114692230.8490.00630.00540.0058427.538.5600.00790.00680.0057993346.2710.00940.00810.006838GJZ 400×45017169.4692230.8490.00570.005 -420(630)504(756)630(945)1148427.538.5600.00710.00620.0052993346.2710.00860.00740.006

24、311438.553.9820.010.00860.007339GJZ 400×50019119.87692230.8490.00530.005 -467(700)560(840)700(1050)1148427.538.5600.00660.00570.005993346.2710.00790.00690.005811438.553.9820.00920.0080.006840GJZ 400×550210610.29692230.8490.005 - -513(770)616(924)770(1156)1148427.538.5600.006

25、20.00540.005993346.2710.00740.00650.006541GJZ 400×600230110.67692230.8490.005 - -560(840)672(1008)840(1260)1148427.538.5600.00580.0051 -993346.2710.0070.00610.005242GJZ 400×650249011.02692230.8490.005 - -607(910)728(1092)910(1365)1148427.538.5600.00560.005 -99

26、3346.2710.00670.00580.00543GYZ  d450152110692230.8490.005 - -371(557)445(668)557(835)1148427.538.5600.00570.005 -993346.2710.00690.0060.005111438.553.9820.0080.0070.005944GJZ 450×450193610692230.8490.005 - -473(709)567(851)709(1063)1148427.538.5600.00570.005 -

27、993346.2710.00690.0060.005111438.553.9820.0080.0070.005945GJZ 450×500215610.548427.538.5600.00530.005 -525(788)630(945)788(1299)114993346.2710.00640.00550.00511438.553.9820.00740.00650.005546GJZ 450×550237611.028427.538.5600.005 - -578(866)693(1040)866(1299)114993346.2710.00

28、590.0052 -11438.553.9820.00690.00610.005247GJZ 450×60025968.47022.531.5500.00620.00540.005630(945)756(1134)945(1418)155903042650.00830.00720.00611037.552.5800.01040.0090.007548GJZ 450×65028168.697022.531.5500.00590.0051 -683(1024)819(1229)1024(1536)155903042650.00790.00680.005711

29、037.552.5800.00980.00850.007149GYZ  d50018868.177022.531.5500.00590.0051 -458(687)550(825)687(1031)155903042650.00790.00670.005611037.552.5800.00980.00840.0071304563950.01180.01010.008550GJZ 500×50024018.177022.531.5500.00590.0051 -583(875)700(1050)875(1313)155903042650.00790.006

30、70.005611037.552.5800.00980.00840.0071304563950.01180.01010.008551GJZ 500×55026468.567022.531.5500.00540.005 -642(963)770(1155)963(1444)155903042650.00730.00630.005211037.552.5800.00910.00780.00661304563950.01090.00940.007952GJZ 500×60028918.927022.531.5500.0051 - -700(1050)

31、840(1269)1050(1575)155903042650.00680.00590.00511037.552.5800.00850.00730.00621304563950.01020.00880.007753GJZ 500×65031369.257022.531.5500.005 - -758(1138)910(1365)1138(1706)155903042650.00640.00550.00511037.552.5800.0080.00690.00581304563950.00960.00830.00754GJZ 500×70033819.55

32、7022.531.5500.005 - -817(1225)980(1470)1225(1838)155903042650.00610.0053 -11037.552.5800.00760.00660.00561304563950.00910.00790.006755GYZ  d55022909903042650.00610.0052 -554(832)665(998)832(1247)15511037.552.5800.00760.00660.00551304563950.00910.00790.006615052.573.51100.010

33、60.00920.007756GJZ 550×55029169903042650.00610.0052 -706(1059)847(1271)1059(1588)15511037.552.5800.00760.00660.00551304563950.00910.00790.006615052.573.51100.01060.00920.007757GJZ 550×60031869.4903042650.00570.005 -770(1155)924(1386)1155(1733)15511037.552.5800.00710.00610.0052130

34、4563950.00850.00730.006215052.573.51100.01090.00860.007258GJZ 550×65034569.76903042650.00530.005 -834(1251)1001(1502)1251(1877)15511037.552.5800.00670.00590.0051304563950.0080.00690.005915052.573.51100.00930.00810.006959GYZ  d60027349.83903042650.005 - -660(990)792(1188)990(

35、1484)15511037.552.5800.0060.0052 -1304563950.00720.00630.005315052.573.51100.00850.00730.006260GJZ 600×60034819.83903042650.005 - -840(1260)1008(1512)1260(1893)15511037.552.5800.0060.0052 -1304563950.00720.00630.005315052.573.51100.00850.00730.006261GJZ 600×650377610.23

36、903042650.005 - -910(1365)1092(1638)1365(2048)15511037.552.5800.00570.006 -1304563950.00680.00590.00515052.573.51100.00790.00690.005962GJZ 600×700407110.611037.552.5800.00540.005 -980(1470)1176(1764)1470(2205)1551304563950.00640.00560.00515052.573.51100.00750.00660.005663GJZ

37、 600×750436610.9411037.552.5800.00510.005 -1050(1575)1260(1890)1575(2363)1551304563950.00610.00540.00515052.573.51100.00720.00630.005464GYZ  d650321710.6711037.552.5800.005 - -774(1161)929(1394)1161(1742)1551304563950.00590.0051 -15052.573.51100.00690.0060.0051170608412

38、50.00780.00680.005965GJZ 650×650409610.6711037.552.5800.005 - -986(1479)1183(1775)1479(2218)1551304563950.00590.0051 -15052.573.51100.00690.0060.005117060841250.00790.00680.006966GJZ 650×70044169.21023650.4770.0060.0052 -1062(1593)1274(1911)1593(2389)1851254563950.00740

39、.00640.00541485475.61130.00890.00770.00651716388.21310.01040.0090.007667GJZ 650×75047369.531023650.4770.00560.005 -1138(1706)1365(2048)1706(2559)1851254563950.0070.00610.0051485475.61130.00840.00730.00571716388.21310.00990.00850.006668GYZ  d70037399.581023650.4770.00520.005 -898(

40、1347)1078(1616)1347(2020)1851254563950.00650.00560.0051485475.61130.00780.00670.00571716388.21310.00910.00790.006669GJZ 700×70047619.581023650.4770.00520.005 -1143(1715)1372(2058)1715(2573)1851254563950.00650.00560.0051485475.61130.00780.00670.00571716388.21310.00910.00790.006670GYZ 

41、d750430110.281254563950.00540.005 -1031(1546)1237(1856)1546(2319)1851485475.61130.00650.00560.0051716388.21310.00760.00660.005619472100.81490.00860.00750.006471GYZ  d800490210.971254563950.005 - -1173(1759)1407(2111)1759(2639)1851485475.61130.00550.005 -1716388.21310.00640.0

42、0560.00519472100.81490.00730.00640.0055注1:抗滑最小承载力拦中,括号外数字为支座与混凝土接触时的采用值,括号内数字为支座与钢接触时的采用值;其值均为不计汽车制动力的情况.当计入汽车制动力时,应自行计算.注2:允许转角正切值是沿支座短边方向转动时计算值,若沿长边方向转动应自行计算.GYZF4、GJZF4四氟滑板式橡胶支座规格系列选用参数序号 la×lb   Rck    S  t    l3    l4  t

43、e    tan(的单位为rad)     RGK(KN)  t1  t0  tf   (mm)   (mm)  (或d) (mm)顺桥向横桥向顺桥向横桥向 (mm) 温 热 寒 冷 严 寒温 热寒 冷严 寒  (mm)  (KN) 地 区 地 区 地 区地 区地 区地 区 (mm) (mm) (mm)1GJZF4 

44、100×1501015.4823±30±20±30±3150.001070.0090.007453637952230200.01600.01350.01112GJZF4  100×2001376.1123±30±20±30±3150.00870.00740.0061708410552230200.01310.01110.00913GYZF4  d150154723±30±20±30±3150.00570.005 -627493

45、52230200.00850.00730.00637250.01140.00970.00844300.01430.01220.01014GJZF4  150×150196723±30±20±30±3150.00570.005 -799511852230200.00850.00730.00637250.01140.00970.00844300.01430.01220.01015GJZF4  150×2002668.0623±30±20±30±3150.005 

46、;- -10512615852230200.00670.00570.00537250.00890.00770.006444300.01120.00960.0086GJZF4  150×2503368.8430±30±20±30±3200.00570.005 -13115819752237250.00770.00660.005544300.00960.00830.00697GJZF4  150×3004069.4430±30±20±30±3200.00520.005 -15818923652237250.00690.00660.005443