悬索桥断索动力响应有限元模型参数研究
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邱文亮,杨浩荣,吴广润
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Parameter study on finite element model of abrupt hanger-breakage event induced dynamic responses of suspension bridge
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Wen-liang QIU,Hao-rong YANG,Guang-run WU
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| 表 3 吊索初始状态对断索响应的影响 |
| Tab.3 Effect of hangers’ initial state on hanger-breakage event induced responses |
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| σ0,23a/ Mpa | σ0,24a/MPa | σmax,24a/Mpa | ησ | M0/(MN·m) | Mmax/(MN·m) | ηM | T0/(MN·m) | Tmax/(MN·m) | ηT | | 204 | 511 | 707 | 2.45 | 3.78 | 5.63 | 1.60 | 8.65 | 16.27 | 1.70 | | 305 | 457 | 782 | 2.43 | 2.24 | 6.51 | 1.58 | 4.32 | 19.19 | 1.69 | | 407 | 406 | 844 | 2.37 | 0.57 | 7.45 | 1.58 | 0.00 | 21.94 | 1.67 | | 509 | 360 | 916 | 2.41 | −1.08 | 8.33 | 1.56 | 4.34 | 25.33 | 1.70 | | 611 | 320 | 966 | 2.39 | −2.76 | 9.26 | 1.56 | 8.54 | 28.61 | 1.71 | | 712 | 277 | 1020 | 2.37 | −4.41 | 10.19 | 1.56 | 12.81 | 31.63 | 1.71 | | 814 | 231 | 1072 | 2.34 | −6.06 | 11.09 | 1.56 | 17.28 | 34.57 | 1.71 |
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