1、公路桥梁板式橡胶支座规格系列选用参数公路桥梁板式橡胶支座规格系列选用参数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
2、筋混凝土及预应力混凝土桥涵设计规范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 6C= 10M Pa ( S v7时6C = 8M Pa);橡胶硬度60 ( IRHD )时，其常温下剪变模量 G =I.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 C时为寒冷地区，G = 1 . 2MPa ;当低于-10 C时为严寒地区，G = 1.5MPa ;当低于-25 C 时，G = 2.0 MPa 。全国气温分区图见 JTG D60 一
3、2004附录B。3.3支座橡胶弹性体体积模量 Eb= 2000 MPa。支座与混凝土接触时，摩擦系数口 = 0.3，与钢板接触时，摩擦系数 尸0.2。 聚四氟乙烯板与不锈钢板接触(加硅脂)时， 口上0.06，当温度低于-25 C时，口值增大30 %，当不加硅脂时，口应 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 a正切值，当不计制动力时，tan a不大于0 .5，当计入制动力时，tan o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2GJZ、圆形为GYZ。其规格系列见
4、表1，表中符号意义如下:4.2普通板式橡胶支座代号，矩形为I a X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；i 1-不计制动力时最大位移量；i 2-计人制动力时最大位移量；t e-橡胶层总厚度；tan 0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 F4 2l*OK3GOX32 匚 K棣胶种苑 天然慷脸邙、氮丁椽胶叩、三元乙丙磁EPD口夕卜形尺寸(矩形LLiyt ( mm)區形eft C nun)形式;代号快表示四氟滑板支座匚无代号为普通支座)名称代号;G兀表示公路桥梁矩形支座；CY2表不公路桥梁團形支座孑T0Z袁示铁路桥梁
5、板式支座TCYB恚示誉路球冠式支座C -cpfaJttfiiZSR.IW2 鮒祚料兀憎號1.申时丹,血阳K J T : in inI- :-怖齐b； 酗桥方Aim I 血彷梅代軽临就和世蓟 K1 : in in)】亠捌曲洌th itftMGJZ、GYZ板式橡胶支座规格系列选用参数序号laXlb (或 d)rckSt(mm)l12tetan 0( 0的单位为rad)Rck(KN)t1t(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)0.0100.0072157150.0091GJZ1015.487435(53)42(63)53(79)52100X150287.51
6、0.5200.0160.0130.011510.0080.0070.0062157152GJZ1376.1174147(70)56(84)70(105)52100 X200287.510.5200.0130.0110.0091110.00521571570.0050.0080.0073GYZ d1501547287.510.520530.00641(62)49(74)62(930520.0110.00935101425470.00812.0.0140.0120.01042517.5303210.00521571570.0050.0080.007GJZ287.510.5200.0064150X1
7、5019675353(79)63(95)79(118)520.0110.00935101425470.0084212.17.5300.0140.0120.0105r31212157150.005-0.0060.005GJZ287.510.520770.00552668.060.0080.0070.00670(105)84(126)105(158)52150 X2003510142597412.0.0110.00942517.530260.0080.005287.510.52070.005GJZ0.0070.0060.0056150 X2503368.843510142576588(131)10
8、5(158)131(197)5212.0.0090.0080.00642517.5306390.005287.510.52020.005GJZ0.0060.0067150 X3004069.4435101425960.005105(1580126(189)158(236)5212.0.0080.0080.00642517.5309330.00535101425112.0.0060.0054217.5300.0058GYZ d2002849.554573(110)88(132)110(165)520.0070.0060.005491521357665617.24.5400.0080.0070.0
9、0659750.00535101425112.0.0060.0054217.5300.0059GJZ3619.554593(140)112(168)140(210)52200 X200491521350.0070.0060.00576617.0.0080.0070.00656524.54097512.0.00542517.53040.0051GJZ45610.6491521350.0060.0050.005117(175)140(210)175(263)520200 X2504617.0.0070.0060.00556524.5405660.0060.00530811.221660.0051G
10、JZ5517.17411216.8290.0090.0080.007140(210)168(252)210(315)831200 X300840.0130.0110.009521622.4371230.0050.00530811.221911GJZ6467.62411216.8290.0080.0070.006163(245)196(294)245(368)832200 X3509630.0110.0100.008521622.4378140.00530811.2210.005-51GJZ0.0080.0057417.98411216.8290.007187(280)224(336)280(4
11、20)833200 X400290.0100.0090.007521622.4379380.0070.0060.005411216.8293220.0090.0080.006521622.4371739GYZ d250 4527.5115(172)137(206)172(258)8340.0120.0100.008632028451460.0140.0120.010742433.6536430.0070.0060.005411216.8293220.0090.0080.006521622.4371GJZ7395767.5146(219)175(263)219(328)835250 X2500.
12、0120.0100.008632028451460.0140.0120.010742433.6536430.0060.005411216.8290.005241GJZ6968.210.0080.007175(263)210(315)263(394)836250X300521622.4370.0063163202845 0.0140.0080.007195742433.60.0125350.01070.00917GJZ816250 X3508.79411216.80.0052960.005-204(306)245(368)306(459)83521622.40.0073740.00640.005
13、46320280.0094530.0080.0067742433.60.0115310.00960.00811819GJZ936250 X400GJZ1056250 X4509.299.71411216.80.005291-233(350)263(394)280(420)315(473)350(525)394(591)8833521622.40.0063780.00590.0056320280.0084550.00730.00627441241233.616.80.01053229 0.0050.00880.0074521622.40.0063730.00550.0056320280.0074
14、590.00680.0062742433.60.0095350.00820.00742GJZ 117610.0411216.829 0.005-292(438)350(525)438(656)830250 X5007521622.4370.0060.00520.0070.0060.005632028454550.0080.0070.006742433.6539860.0050.005521622.437910.0070.0060.005632028452GYZ d3006619.06433165(247)198(297)247(371)831742433.6530.0080.0070.0068640.0100.0080.007852839.2613950.0050.005521622.437910.0070.0060.005632028452GJZ4332300 X3008419.06742433.6530.0080.0070.006210(315)252(378)315(473)838640.0100.0080.007852839.2613950.005
