| 浅谈预应力技术在组合梁中的应用 |
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| 作者单位： | 铁四院福州勘察设计院，山东省建筑设计研究院，湖南省建筑设计院 |
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| 摘 要： | 桥梁工程中广泛应用的组合梁,在连续梁体系中存在负弯矩区混凝土受拉开裂的受力不利状况,采用预应力技术可以较好的解决这个问题。介绍采用预弯预应力和体外预应力这两种预应力施加方式及这两种预应力组合梁的设计计算方法。
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| 关 键 词： | 连续组合梁 预弯预应力 体外预应力 |
DISCUSSION ABOUT PRESTRESS TECHNOLOGY USED IN STEEL-CONCRETE COMPOSITE BEAMS |
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| Authors: | Liu Li-zheng Ji Xiao-kang Xiao Long |
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| Affiliation: | Liu Li-zheng Ji Xiao-kang Xiao Long |
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| Abstract: | Steel-concrete composite beams are widely used in bridge engineering.To the continuous composite beams,the concrete suffering negative moment will crack.The prestress technology including preflex prestressed composite or external prestress cale method is presented in this paper to dissolve this problem. |
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| Keywords: | Continuous composite beams Preflex prestressed External prestressed cale |
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