BS 4521-3.1:1974-专用铁路道岔规范英国铁路机车不运行的中等等级道岔轴重不超过25吨使用牛头轨的道岔-国家数字标准馆

现行 BS 4521-3.1:1974

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Specification for railway turnouts for private users. Medium grade turnouts over which British Railways locomotives do not operate, for axle loads not exceeding 25 tons-Turnouts using bull head rail 专用铁路道岔规范英国铁路机车不运行的中等等级道岔轴重不超过25吨使用牛头轨的道岔

发布日期： 1974-12-31

直线轨道上的道岔，4英尺8½英寸轨距，术语，材料，设计，生产，检查，识别标记，布局，引导和详细尺寸。附录给出了部分磨损钢轨的建议最低要求。交叉引用:BS 9BS 24:3ABS 24:6BS 47BS 64BS 84BS 729:1BS 913BS 916BS 970:1BS 970:5BS 1452BS 1802

Turnouts from straight track, 4 ft 8½ in gauge, nomenclature, materials, design, production, inspection, identification marking, layout, leading and detail dimensions. Appendix gives recommended minimum requirements for partly worn rails.Cross References:BS 9BS 24:Part 3ABS 24:Part 6BS 47BS 64BS 84BS 729:Part 1BS 913BS 916BS 970:Part 1BS 970:Part 5BS 1452BS 1802

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发布单位或类别：英国-英国标准学会

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相似标准/计划/法规

现行

BS 4521-3.2-1975

Specification for railway turnouts for private users. Medium grade turnouts over which British Railways locomotives do not operate, for axle loads not exceeding 25 tons-Turnouts using flat bottom rails
专用铁路道岔规范英国铁路机车不运行的中等等级道岔轴重不超过25吨平底轨道道岔

1975-04-30

现行

BS 4521-2-1975

Specification for railway turnouts for private users-Light grade turnouts over which British Railways locomotives do not operate, for axle loads not exceeding 10 tons, using flat bottom rails
专用铁路道岔规范英国铁路机车不运行的轻型道岔轴重不超过10吨使用平底轨道

1975-04-30

现行

BS 4521-4-1975

Specification for railway turnouts for private users-Heavy grade turnouts over which British Railways locomotives do not operate, for axle loads which may exceed 25 tons, using flat bottom rails
专用铁路道岔规范英国铁路机车不运行的重型等级道岔轴重可能超过25吨使用平底轨道

1975-04-30