- 摘 要
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楊 躍
(哈爾濱工業(yè)大學(xué)土木工程學(xué)院，哈爾濱150090)[摘要] 簡要介紹了齊齊哈爾鶴城公路大橋的現(xiàn)狀及拓寬改造要求，論述了對大橋主孔區(qū)段和邊孔區(qū)段的拓寬改造方法，給出了拓寬改造對樁身、承臺、墩柱、混凝土箱梁的受力影響及相關(guān)驗(yàn)算結(jié)果，提供了對大橋拓寬改造的投資分析。
[關(guān)鍵詞] 橋梁工程；結(jié)構(gòu)改造；預(yù)應(yīng)力Research on widening scheme of Qiqihar Hecheng highway bridge
Yang Yue
(School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China)Abstrat: The current status of Qiqihar Hecheng Highway Bridge and the widening requirements are briefly introduced. The widening methods for the main part and side part of the bridge are discussed. Then the influence of widening the bridge on mechanical property of pile, platform, pier column and concrete box beam are given as well as relevant check results. At last, investment analysis for the bridge is offered.
Keywords: bridge engineering; structure reconstruction; prestress
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