| 钢箱—混凝土组合梁正截面承载力的初步研究 |
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| 引用本文： | 钟新谷,舒小娟,郑玉国,袁帅华,邹中权. 钢箱—混凝土组合梁正截面承载力的初步研究[J]. 土木工程学报, 2002, 35(6): 73-78 |
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| 作者姓名： | 钟新谷 舒小娟 郑玉国 袁帅华 邹中权 |
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| 作者单位： | 湘潭工学院 |
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| 基金项目： | 湖南省自然科学基金资助 (0 1JJY2 0 4 9) |
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| 摘 要： | 基于方钢管混凝构件和箱形梁的特性 ,提出了钢箱—混凝土组合截面梁 ,并给出了正截面极限承载力计算方法 ,根据使用条件 ,提出了可能的截面形式。完成了一根梁的初步试验研究 ,并与某特大桥的主梁进行了综合比较 ,综合分析表明钢箱—混凝土组合截面梁具有良好的应用前景。
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| 关 键 词： | 钢箱—混凝土组合梁 极限承载力 钢管混凝土 |
| 文章编号： | 1000-131X(2002)06-0073-06 |
| 修稿时间： | 2001-11-08 |
RESEARCH ON BEARING CAPACITY OF STEEL BOX-CONCRETE COMPOSITE BEAMS |
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| Zhong Xingu Shu Xiaojuan Zheng Yuguo Yuan Shuaihua Zou Zhongquan. RESEARCH ON BEARING CAPACITY OF STEEL BOX-CONCRETE COMPOSITE BEAMS[J]. China Civil Engineering Journal, 2002, 35(6): 73-78 |
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| Authors: | Zhong Xingu Shu Xiaojuan Zheng Yuguo Yuan Shuaihua Zou Zhongquan |
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| Affiliation: | Xiangtan Polytechnic University |
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| Abstract: | The steel box concrete composite beam is proposed in the paper;it is a new type of structure It is based on the behavior of concrete filled steel tubular members with square section and box girder A formula for ultimate bearing capacity of normal section is derived At same time,a piece of composite beam is tested in the laboratory A load deflection curve is obtained;it is basically agreed with that of the theoretical one A synthetical comparison is made with the main girder of an extra long span bridge The study shows that the steel box concrete composite beam has a good prospect |
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| Keywords: | steel box?concrete composite bean ultimate bearing capacity concrete?filled steel tube |
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