Abstract:
福鼎新桐山大桥主桥为51m+75m+51m 三跨连拱的下承式钢管混凝土刚架系杆拱.该桥拱肋截面除拱脚段外采用与传统哑铃形截面不同的新型哑铃型截面.这种截面两管之间用钢腹板和 H 型钢加劲并且腹腔内不充填混凝土,避免了传统哑铃形截面施工中容易出现的钢管与腹板焊缝处开裂的问题.简要介绍该桥建成后的静载试验和理论分析.分析中哑铃型截面计算采用修正的格构柱法,结果与实测结果吻合良好.
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Year: 2005
Language: Chinese
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 2
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