| 单词 | waybeam |
| 释义 | > as lemmaswaybeam waybeam n. a beam used in a longitudinal railway sleeper (see sleeper n. 10b). ΘΚΠ society > travel > rail travel > railway system or organization > [noun] > track > parts and fittings of rails > sleeper cross-tie1813 sleeper1837 longitudinal1838 transom1838 cross-sleeper1841 railroad tie1847 stringer1848 tie1857 pot sleeper1869 waybeam1880 1880 Van Nostrand's Engin. Mag. July 71/1 The rails are laid upon longitudinal timbers, or way-beams, 18 inches wide by 15 inches in depth. 1883 Specif. Alnwick & Cornhill Railway 46 Within the troughs [sc. trough-girders] are to be laid..way-beams,..packed between the gussets with stemming pieces. 1920 H. H. Bird Pract. Design Plate Girder Bridges 12 The rails are carried on longitudinal way-beams sunk into built-up trough girders, which..are usually hog-backed in shape. 2012 Y.-L. Xu & Y. Xia Struct. Health Monitoring Long-span Suspension Bridges v. 119 The rail waybeams are the main longitudinal members which exist in pairs in each railway track. < as lemmas |
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