PC简支梁桥上拱对高速行车舒适性影响及其控制研究

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1、分类号TBl23，u448密级单位代码学号1061804270417墨彦交通戈謦硕士学位论文论文题目：Pc简支梁桥上拱对高速行车舒适性影响及其控制研究ReseaI℃honhigh-speeddriVingcomfbrtimpactedbydenectionupwardsofPCbridgesanditscontrol研究生姓名：王旭军导师姓名、职称：钟明全教授申请学位门类：工学硕士专业名称：论文答辩日期学位授予单位答辩委员会主席：龚尚龙评阅人：周志祥2007年4月许晓峰ABSTRACTBecauseofthecha

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7、edsteel柚dthcprcstressingdegreetothedefectionupwardsofbridgc．Througllreadingm硒sivescientificresearchafticles，theexistingcontrolmeasurcsis蛐mmedupforthedefccti伽upwardSofbrid譬cs。AndthisanicleproposedthedesigntheorVOf∞denectioninmiddlespanOfsimplesuppOncdprestresse

8、dconcretcbeams’whenitisintheactionofpre—sittillgcombinationforloads．Andmethcorytak％intoac∞utOfthecapabilityOfbe弛s’fesiStancctO锄cl【ingasweUasOfthedefledi蛐．Throu曲ex锄ples’themsultssho