JTT 374-1998 隔离栅技术条件.pdfVIP

中华人民共和国交通行业标准 JT/T 374-1998 m o c w. 隔离栅技术条件 x f Specification for Fences z b w. w w 1998-06-02发布 1998-10-01实施 中华人民共和国交通部 发 布 目 前言 m 1范围·········································”··············”··············································……94 2引用标准“ 94 o 3产品分类·························””········””··，·······”·”·······……价·，，······，.······“··········……94 c 4产品规格和尺寸· 94 . 5技术要求 ···· ······，”············································································……103 6试验方法和检验规则 ················································”·”··········”····”·“··“······“…108 w 7包装、标志、运辅、质it证明书”·”·”·”·”·······”·”·”·”·”·······”·..·……“·“·“·“…“·“…“·113 x 附录A(标准的附录)热浸艘锌锌层附着f试验方法”···”·”··········”·”·”·”·“·“·“一”·“·115 f 附录B(标准的附录)热浸艘锌锌层均匀性试验方法 硫酸钥浸演法 · 117 附录C(标准的附录)热浸镀锌锌层附着性试验方法 ，.，’·，.介······，.··， 119 z b w. w w 92 前 台 80年代末，我国高速公路建设迅速发展，隔离栅的斋求量也急剧增加，许多隔离栅制造厂应运而 生，各生产厂的生产标准各异，质量差异较大