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Lightweight weldless gratings or grids for bridge decks
Lightweight weldless gratings or grids for bridge decks
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机译:轻型无焊格栅或桥面格栅
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摘要
A lightweighted weldless grating comprising a plurality of substantially parallel, longitudinally extending primary load bearing members, a plurality of secondary load bearing members, and a pan member positioned between the primary load bearing members and supported on the flanges adapted to contain wet concrete, the pan member having a portion thereof extending upwardly against the lower edge of the secondary load bearing member to maintain the secondary load bearing members in web slots in the primary load bearing members, thereby forming the weldless grating.
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