橡胶支座计算与选取

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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、标准性引用文件以下文中的条款通过本标准的引用而成为本标准的条款。但凡注日期的引用文件，其随后所有的修改不包括订正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。但凡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 公路桥涵设计通用标准JTG D62 一2004 公路钢筋混凝土及预应力混凝土桥涵设计

2、标准3、支座要求3 . 1支座产品分类、代号、构造、技术要求、试验方法、检验规那么及标志、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支座橡胶弹性体体积模量Eb= 200

3、0 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。假设有实测资料时，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 普通板式橡胶支座构造示意图见图1 、图2 。4 . 2 普通板式橡胶支座代号，矩形为GJZ 、圆形为GYZ。其规格系列见表1 ，表中符

4、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lalb或dRCKSt(mm)l1l2tetan的单位为radRCK(KN)t1t0mmKN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 1001501015.482157150.01070.0090.007435(53)42(63)53(79)52287.510.

5、5200.0160.01350.01112GJZ 1002001376.112157150.00870.00740.006147(70)56(84)70(105)52287.510.5200.01310.01110.00913GYZ d15015472157150.00570.005-41(62)49(74)62(93052287.510.5200.00850.00730.006351014250.01140.00970.0084212.517.5300.01430.01220.01014GJZ 15015019672157150.00570.005-53(79)63(95)79(118)52

6、287.510.5200.00850.00730.006351014250.01140.00970.0084212.517.5300.01430.01220.01015GJZ 1502002668.062157150.005-70(105)84(126)105(158)52287.510.5200.00670.00570.005351014250.00890.00770.00644212.517.5300.01120.00960.0086GJZ 1502503368.84287.510.5200.00570.005-88(131)105(158)131(197)52351014250.0077

7、0.00660.00554212.517.5300.00960.00830.00697GJZ 1503004069.44287.510.5200.00520.005-105(1580126(189)158(236)52351014250.00690.00660.0054212.517.5300.00890.00830.00638GYZ d2002849.5351014250.0051-73(110)88(132)110(165)524212.517.5300.00640.00550.005491521350.00770.00660.00565617.524.5400.00890.00770.0

8、0659GJZ 2002003619.5351014250.0051-93(140)112(168)140(210)524212.517.5300.00640.00550.005491521350.00770.00660.00565617.524.5400.00890.00770.006510GJZ 20025045610.64212.517.5300.00540.005-117(175)140(210)175(263)52491521350.00640.00560.0055617.524.5400.00750.00660.005611GJZ 2003005517.1730811.2210.0

9、0660.00560.005140(210)168(252)210(315)83411216.8290.00980.00840.007521622.4370.01310.01120.009312GJZ 2003506467.6230811.2210.00590.0051-163(245)196(294)245(368)83411216.8290.00890.00760.0063521622.4370.01180.01010.008413GJZ 2004007417.9830811.2210.00550.005-187(280)224(336)280(420)83411216.8290.0082

10、0.0070.0059521622.4370.01090.00930.007814GYZ d2504527.5411216.8290.00730.00620.0052115(172)137(206)172(258)83521622.4370.00970.00830.0069632028450.01210.01040.0086742433.6530.01460.01240.010315GJZ 2502505767.5411216.8290.00730.00620.0052146(219)175(263)219(328)83521622.4370.00970.00830.0069632028450

11、.01210.01040.0086742433.6530.01460.01240.010316GJZ 2503006968.21411216.8290.00620.00540.005175(263)210(315)263(394)83521622.4370.00830.00710.006632028450.01410.00890.0075742433.6530.01250.01070.00917GJZ 2503508168.79411216.8290.00560.005-204(306)245(368)306(459)83521622.4370.00740.00640.005463202845

12、0.00930.0080.0067742433.6530.01110.00960.008118GJZ 2504009369.29411216.8290.0051-233(350)280(420)350(525)83521622.4370.00680.00590.005632028450.00850.00730.0062742433.6530.01020.00880.007419GJZ 25045010569.71411216.8290.005-263(394)315(473)394(591)83521622.4370.00630.00550.005632028450.00790.00680.0

13、062742433.6530.00950.00820.007420GJZ 250500117610.07411216.8290.005-292(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

14、0.01030.00890.007522GJZ 3003008419.06521622.4370.00590.0051-210(315)252(378)315(473)83632028450.00740.00630.0053742433.6530.00880.00760.0064852839.2610.01030.00890.007523GJZ 3003509869.78521622.4370.00520.005-245(368)294(441)368(551)83632028450.00650.00560.005742433.6530.00780.00680.0057852839.2610.

15、00910.00790.006724GJZ 300400113110.4521622.4370.005-280(420)336(504)420(630)83632028450.00590.0051-742433.6530.00710.00620.003852839.2610.00830.00720.006125GJZ 300450127610.92632028450.00550.005-315(473)378(5670473(709)83742433.6530.00660.00570.005852839.2610.00770.00670.005726GJZ 30050014218.285416

16、.523.1380.0070.00610.0051350(525)420(630)525(788)114692230.8490.00940.00810.00688427.538.5600.01170.01010.008427GJZ 30055015668.585416.523.1380.00660.00570.005385(578)462(693)578(866)114692230.8490.00880.00760.00648427.538.5600.0110.00950.008428GJZ 30060017118.645416.523.1380.00630.00540.005420(630)

17、504(756)630(945)114692230.8490.00840.00730.00618427.538.5600.01050.00910.007629GYZ d35090810.63632028450.005-224(337)269(404)337(505)83742433.6530.00590.0051-852839.2610.00680.0060.0051963244.8690.00780.00680.005830GJZ 350350115610.63632028450.005-286(429)343(515)429(643)83742433.6530.00590.0051-852

18、839.2610.00680.0060.0051963244.8690.00780.00680.005831GJZ 35040013268.265416.523.1380.00610.0052-327(490)392(588)490(735)114692230.8490.00810.00690.00588427.538.5600.01010.00870.0073993346.2710.02010.01040.008732GJZ 35045014968.725416.523.1380.00550.005-368(551)441(662)551(827)114692230.8490.00740.0

19、0640.00538427.538.5600.00920.00790.0067993346.2710.01110.00950.00833GJZ 35050016669.125416.523.1380.0051-408(613)490(735)613(919)114692230.8490.00690.00590.0058427.538.5600.00860.00740.0062993346.2710.01030.00890.007534GJZ 35055018369.485416.523.1380.005-449(674)539(809)674(1011)114692230.8490.00640

20、.00560.0058427.538.5600.00810.0070.0059993346.2710.00970.00840.007135GJZ 35060020069.85416.523.1380.005-490(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)114692230.8490.00630.00

21、540.0058427.538.5600.00790.00680.0057993346.2710.00940.00810.006837GJZ 40040015218.865416.523.1380.005-373(560)448(672)560(840)114692230.8490.00630.00540.0058427.538.5600.00790.00680.0057993346.2710.00940.00810.006838GJZ 40045017169.4692230.8490.00570.005-420(630)504(756)630(945)1148427.538.5600.007

22、10.00620.0052993346.2710.00860.00740.006311438.553.9820.010.00860.007339GJZ 40050019119.87692230.8490.00530.005-467(700)560(840)700(1050)1148427.538.5600.00660.00570.005993346.2710.00790.00690.005811438.553.9820.00920.0080.006840GJZ 400550210610.29692230.8490.005-513(770)616(924)770(1156)1148427.538

23、.5600.00620.00540.005993346.2710.00740.00650.006541GJZ 400600230110.67692230.8490.005-560(840)672(1008)840(1260)1148427.538.5600.00580.0051-993346.2710.0070.00610.005242GJZ 400650249011.02692230.8490.005-607(910)728(1092)910(1365)1148427.538.5600.00560.005-993346.2710.00670.00580.00543GYZ d450152110

24、692230.8490.005-371(557)445(668)557(835)1148427.538.5600.00570.005-993346.2710.00690.0060.005111438.553.9820.0080.0070.005944GJZ 450450193610692230.8490.005-473(709)567(851)709(1063)1148427.538.5600.00570.005-993346.2710.00690.0060.005111438.553.9820.0080.0070.005945GJZ 450500215610.548427.538.5600.

25、00530.005-525(788)630(945)788(1299)114993346.2710.00640.00550.00511438.553.9820.00740.00650.005546GJZ 450550237611.028427.538.5600.005-578(866)693(1040)866(1299)114993346.2710.00590.0052-11438.553.9820.00690.00610.005247GJZ 45060025968.47022.531.5500.00620.00540.005630(945)756(1134)945(1418)15590304

26、2650.00830.00720.00611037.552.5800.01040.0090.007548GJZ 45065028168.697022.531.5500.00590.0051-683(1024)819(1229)1024(1536)155903042650.00790.00680.005711037.552.5800.00980.00850.007149GYZ d50018868.177022.531.5500.00590.0051-458(687)550(825)687(1031)155903042650.00790.00670.005611037.552.5800.00980

27、.00840.0071304563950.01180.01010.008550GJZ 50050024018.177022.531.5500.00590.0051-583(875)700(1050)875(1313)155903042650.00790.00670.005611037.552.5800.00980.00840.0071304563950.01180.01010.008551GJZ 50055026468.567022.531.5500.00540.005-642(963)770(1155)963(1444)155903042650.00730.00630.005211037.5

28、52.5800.00910.00780.00661304563950.01090.00940.007952GJZ 50060028918.927022.531.5500.0051-700(1050)840(1269)1050(1575)155903042650.00680.00590.00511037.552.5800.00850.00730.00621304563950.01020.00880.007753GJZ 50065031369.257022.531.5500.005-758(1138)910(1365)1138(1706)155903042650.00640.00550.00511

29、037.552.5800.0080.00690.00581304563950.00960.00830.00754GJZ 50070033819.557022.531.5500.005-817(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)15511037.552.5800.00760.00660.0055130

30、4563950.00910.00790.006615052.573.51100.01060.00920.007756GJZ 55055029169903042650.00610.0052-706(1059)847(1271)1059(1588)15511037.552.5800.00760.00660.00551304563950.00910.00790.006615052.573.51100.01060.00920.007757GJZ 55060031869.4903042650.00570.005-770(1155)924(1386)1155(1733)15511037.552.5800.

31、00710.00610.00521304563950.00850.00730.006215052.573.51100.01090.00860.007258GJZ 55065034569.76903042650.00530.005-834(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(1484)1551103

32、7.552.5800.0060.0052-1304563950.00720.00630.005315052.573.51100.00850.00730.006260GJZ 60060034819.83903042650.005-840(1260)1008(1512)1260(1893)15511037.552.5800.0060.0052-1304563950.00720.00630.005315052.573.51100.00850.00730.006261GJZ 600650377610.23903042650.005-910(1365)1092(1638)1365(2048)155110

33、37.552.5800.00570.006-1304563950.00680.00590.00515052.573.51100.00790.00690.005962GJZ 600700407110.611037.552.5800.00540.005-980(1470)1176(1764)1470(2205)1551304563950.00640.00560.00515052.573.51100.00750.00660.005663GJZ 600750436610.9411037.552.5800.00510.005-1050(1575)1260(1890)1575(2363)155130456

34、3950.00610.00540.00515052.573.51100.00720.00630.005464GYZ d650321710.6711037.552.5800.005-774(1161)929(1394)1161(1742)1551304563950.00590.0051-15052.573.51100.00690.0060.005117060841250.00780.00680.005965GJZ 650650409610.6711037.552.5800.005-986(1479)1183(1775)1479(2218)1551304563950.00590.0051-1505

35、2.573.51100.00690.0060.005117060841250.00790.00680.006966GJZ 65070044169.21023650.4770.0060.0052-1062(1593)1274(1911)1593(2389)1851254563950.00740.00640.00541485475.61130.00890.00770.00651716388.21310.01040.0090.007667GJZ 65075047369.531023650.4770.00560.005-1138(1706)1365(2048)1706(2559)18512545639

36、50.0070.00610.0051485475.61130.00840.00730.00571716388.21310.00990.00850.006668GYZ d70037399.581023650.4770.00520.005-898(1347)1078(1616)1347(2021)1851254563950.00650.00560.0051485475.61130.00780.00670.00571716388.21310.00910.00790.006669GJZ 70070047619.581023650.4770.00520.005-1143(1715)1372(2058)1

37、715(2573)1851254563950.00650.00560.0051485475.61130.00780.00670.00571716388.21310.00910.00790.006670GYZ 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(

38、1759)1407(2111)1759(2639)1851485475.61130.00550.005-1716388.21310.00640.00560.00519472100.81490.00730.00640.0055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,假设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lalb Rck S tl3l4 te tan(的单位为rad) RGK

39、(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)1GJZF41001501015.48233020303150.001070.0090.007453637952230200.01600.01350.01112GJZF4 1002001376.11233020303150.00870.00740.0061708410552230200.01310.01110.00913GYZF4d1501547233020303150.00570.005-6274935223

40、0200.00850.00730.00637250.01140.00970.00844300.01430.01220.01014GJZF4 1501501967233020303150.00570.005-799511852230200.00850.00730.00637250.01140.00970.00844300.01430.01220.01015GJZF4 1502002668.06233020303150.005-10512615852230200.00670.00570.00537250.00890.00770.006444300.01120.00960.0086GJZF4 150

41、2503368.84303020303200.00570.005-13115819752237250.00770.00660.005544300.00960.00830.00697GJZF4 1503004069.44303020303200.00520.005-15818923652237250.00690.00660.00544300.00860.00830.00698GYZF4 d2002849.5373020303250.0051-11013216552244300.00640.00550.00551350.00770.00660.005658400.00890.00770.00659

42、GJZF4 2002003619.5373020303250.0051-14016821052244300.00640.00550.00551350.00770.00660.005658400.00890.00770.006510GJZF4 20025045610.6443020303300.00540.005-17521026352251350.00640.00560.00558400.00750.00660.005611GJZF4 2003005517.17323020303210.00660.00560.00521025231583243290.00980.00840.00754370.

43、01310.01120.009312GJZF4 2003506467.62323020303210.00590.0051-24529436883243290.00890.00760.006354370.01180.01010.008413GJZF4 2004007417.98323020303210.00550.005-28033642083243290.00820.0070.005954370.01090.00930.007814GYZF4 d2504527.5436030603290.00730.00620.005217220625883254370.00970.00830.0069654

44、50.01210.01040.008676530.01460.01240.010315GJZF4 2502505767.5435020503290.00730.00620.005221926332883254370.00970.00830.006965450.01210.01040.008676530.01460.01240.010316GJZF4 2503006968.21435020503290.00620.00540.00526331539483254370.00830.00710.00665450.01040.00890.007576530.01250.01070.00917GJZF4 2503508168.79435020503290.00560.005-