... 上部钉法 head nailing 上部脚手架 upper falsework 上部结构 superstructure ...
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upper falsework detail 上部脚手架
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RC-masonry combination arch bridge makes rc arch ribs as former spanning structure and falsework of upper masonry's construction. Finally, reinforced concrete and masonry together form arch ring.
它提出了以RC拱肋作为先期的跨越结构和后期高强石砌体砌筑的施工支架，最终由石砌体和RC拱肋共同形成主拱圈的构思。
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