yard span 中文意思是什麼
yard span
解釋
料場跨度-
Span and deadload are adjustable at the yard
量程和極限載荷可以現場調節。 -
Abstract : the paper introduces the erection of the steel box girder of a long - span steel box - concrete composite bridge using broad double guide beam without affecting the normal operation of electrified railway and marshalling yard under the bridge, including construction plan, design of gantry crane and guide beam, as well as key points of construction technology
文摘:介紹在保證電氣化鐵路、編組站場正常運營情況下,運用寬幅式雙導梁解決大跨度鋼箱混凝土結合梁橋的鋼箱梁架設技術難題,重點闡述了施工方案,龍門吊、導梁設計,工藝要點等。
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