预应力混凝土铁路桥简支梁静载弯曲

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1、ICS45.040513TB中华人民共和国铁道行业标准TB/T2092-2003代替TB/T2092-1989预应力混凝土铁路桥简支梁静载弯曲试验方法及评定标准Post-tensionedpre-castconcretesimple-supportedgirderforrailwaybridgepro-stress2003-10-31发布2004-04-01实施中华少味民多粤和国失道部发布TB/T2092-2003目次前言···················································································

2、·，··················⋯⋯n1范围·..............................................................................................................12试验条件及仪器、设备·····································································，···，···········⋯⋯13试验梁安装及试验前的准备··········································，···

3、·························.........⋯⋯24加载方法·······················································，············································⋯⋯25评定标准·································································································⋯⋯36静载试验记录和试验报告··································

4、·············，······························.⋯⋯47安全及防护措施··························，·········································，······················⋯⋯4附录A(规范性附录)预应力混凝土铁路桥简支梁静载弯曲试验加载计算单·················⋯⋯5附录B(资料性附录)千斤顶油压表配套标定记录·························································⋯⋯8附录C(资料性附录)预

5、应力混凝土梁静载试验加载记录················································一9附录D(规范性附录)预应力混凝土梁静载试验报告表······················，························⋯⋯12附录E(规范性附录)等效荷载加载挠度修正系数···················································⋯⋯14附录F(资料性附录)静载试验加载时间记录表·······················································⋯⋯15

6、TB/T2092-2003oli舌本标准合并修订TB/T2092-1989(预应力混凝土铁路桥简支梁静载弯曲抗裂试验方法》和TBJ106-91《铁路部分预应力混凝土梁设计验收规定》中第四节“成品质量的静载试验”，经修订的标准与原标准TB/T2092-1989比较增加、修改了下列内容:—增加了允许出现有限拉应力的预应力混凝土梁和允许出现裂缝但限制裂缝宽度的预应力混凝土梁静载弯曲试验方法的内容;—增加了试验结果评定的内容;—修改了质量检验抽样的有关内容;—修改了两个试验荷载循环等级与持荷时间，并增加了开裂验证加载循环。—修改了附录A和附录Bo本标准附录A、附录D、附录E为规范性附录。本标准

7、附录B、附录C、附录F为资料性附录。本标准由铁道部标准计量研究所提出并归口。本标准由铁道科学研究院铁道建筑研究所、铁道专业设计院、铁道部产品质量监督检验中心负责起草。本标准主要起草人:杨梦蛟、孙金更、殷宁骏、王振华、孙法林、牛斌。本标准于1989年4月首次发布，本次为第一次修订。TB/T2092-2003预应力混凝土铁路桥简支梁静载弯曲试验方法及评定标准范围本标准规定了全预应力、允许出现有限拉应力和允许出现裂缝但裂缝宽度受到限制的预应力混凝土铁