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標(biāo)題 |
大準(zhǔn)鐵路32 m預(yù)應(yīng)力混凝土梁橋橫向動(dòng)力性能試驗(yàn)研究(50 卷) |
英文標(biāo)題 |
Experimental study on transverse dynamic property of 32 m-span prestressed concrete girder bridge on Datong-Zhungaer railway |
摘要 |
根據(jù)大準(zhǔn)鐵路32 m預(yù)應(yīng)力混凝土梁橋的實(shí)測(cè)橫向振動(dòng)數(shù)據(jù),綜合分析了32 m預(yù)應(yīng)力混凝土梁橋的橫向動(dòng)力性能。結(jié)果表明:32 m預(yù)應(yīng)力混凝土梁橋的橫向振動(dòng)在很大程度上是由于橋墩的振動(dòng)引起的,而橋墩橫向振動(dòng)與貨列的激勵(lì)頻率、橋墩的自振特性有關(guān),當(dāng)墩高大于20 m時(shí),由于其有載 |
作者 |
新聞作者:蘭曉峰,劉鵬輝,尹 京,董振升 |
關(guān)鍵字 |