| 连续梁拱组合桥吊杆索力测试研究 |
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| 引用本文： | 丁明波. 连续梁拱组合桥吊杆索力测试研究[J]. 城市道桥与防洪, 2010, 0(4): 58-61 |
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| 作者姓名： | 丁明波 |
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| 作者单位： | 兰州交通大学土木工程学院,甘肃,兰州,730070 |
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| 摘 要： | 该文对影响频率法测定梁拱组合体系桥梁吊杆索力精度的几个因素进行了分析。合理地确定吊杆拉索的有效计算长度,根据所测频率基于弦振动理论在考虑抗弯刚度影响下,所得到吊杆索力在一般情况下均具有相当精度,可以满足运营期间监测吊杆索力的需要。
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| 关 键 词： | 梁拱组合桥梁 吊杆 频率法 索力测试 |
Study on Suspender Tension Test of Continuous Beam Arch Combined Bridge |
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| Ding Mingbo. Study on Suspender Tension Test of Continuous Beam Arch Combined Bridge[J]. Urban Roads Bridges & Flood Control, 2010, 0(4): 58-61 |
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| Authors: | Ding Mingbo |
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| Abstract: | The article analyzes some factors to influence the frequency method to determine the suspender tension precision of beam arch combined system bridge,and reasonably defines the efficient calculation length of suspender cable.Based on the measured frequency and the string vibration theory,the achieved suspender tension has the corresponding precision under the general condition and can meet the demand of suspender tension in the operation period by considering the influence of bending stiffness. |
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| Keywords: | beam arch combined bridge suspender frequency method tension test |
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