| 钢-混凝土组合连续梁桥体外预应力设计 |
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| 引用本文： | 刘书伟,刘雪峰. 钢-混凝土组合连续梁桥体外预应力设计[J]. 交通科技, 2012, 0(2): 10-12 |
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| 作者姓名： | 刘书伟 刘雪峰 |
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| 作者单位： | 深圳市综合交通设计研究院 深圳518003 |
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| 摘 要： | 结合深圳市机场南路新建工程50+82+50m钢-混凝土组合连续梁桥的设计实例,对体外预应力钢束束形布置、张拉控制应力、自振特性、转向装置、耐久性设计等方面进行了分析研究.研究结论认为在此类设计中,应重点考虑锚固区和转向装置、体外索振动和防腐要求等方面的问题.
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| 关 键 词： | 钢-混凝土组合连续梁 体外预应力 自振特性 转向装置 耐久性 |
Design of Externally Prestressed Cables Steel-concrete Composite Continuous Beam |
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| Liu Shuwei , Liu Xuefeng. Design of Externally Prestressed Cables Steel-concrete Composite Continuous Beam[J]. Transportation Science & Technology, 2012, 0(2): 10-12 |
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| Authors: | Liu Shuwei Liu Xuefeng |
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| Affiliation: | (Shenzhen Transportation Design & Research Institute,Shenzhen 518003,China) |
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| Abstract: | Combining the 50+82+50 m steel-concrete composite continuous beam bridge located in the south road of the airport in Shenzhen,the paper researched the layout of externally prestressed cables,tendon stress,self-vibration characteristic,deviators and durability.The conclusion shows that we should pay attention to three main problems of anchorage zone and deviators,self-vibration characteristic and anticorrosive requirements etc. |
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| Keywords: | steel-concrete composite continuous beam externally prestressed cables self-vibration characteristic deviators durability |
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