| 1. | Demolition of a reinforced concrete double - curvature arch bridge by controlled blasting 钢筋砼双曲拱桥的控制爆破拆除 |
| 2. | The design research on raising the bearing capacity of long - span stone two - way curved arch bridges 提高百米大跨石砌双曲拱桥承载力的设计研究 |
| 3. | During their constructing and application , the loading problem is also paid attention to 在双曲拱桥的建设和使用过程中,承载能力的问题也是一个备受关注的问题。 |
| 4. | After it was firstly built in 1964 , the double - curved arch bridge has been extensively built all over the country 1964年,双曲拱桥在我国首创并建成之后,以其特有的优点在公路桥梁建设中得到广泛应用。 |
| 5. | This thesis also intruduces the used methods on reliability evaluation of reinforced bridges , it intruduces some inspection methods & technology 在我国现役桥梁中双曲拱桥占较大的比重,数量大,分布地广。 |
| 6. | This paper analyzes the reason of the double arch bridge ' s damages in theory , combined with the maintenance and reinforcement project of yellow dragon bridge 本论文基于这种思想,结合黄龙大桥的维修加固工程,从理论上对双曲拱桥的病害原因进行分析,并总结了常见的加固方法。 |
| 7. | This paper have identifications to the whole bridge with genetic algorithm , the data indicate that the method to identify the damages of the double arch is precise 论文通过遗传算法对全桥损伤(包括损伤位置和损伤程度)进行识别,结果表明遗传算法对双曲拱桥的主要病害识别有较好的精度。 |
| 8. | In order to understand some double - curvature arch bridge the bearing capacity and plant disease situation , carried on to this bridge examined , analysis and appraisal on the spot , and proposed the maintenance plan 摘要为了解某双曲拱桥的承载能力和病害情况,对该桥进行了实地检测、分析和评估,并提出了维修建议方案。 |
| 9. | This paper is combined with the merits both of fem and ga , and has analysis of both positive and negative . the method and the result are worth of the maintenance and reinforcement 本论文综合了有限元方法和遗传算法的优点,对双曲拱桥全桥建立有限元模型,进行正反两方面的分析,方法和结论对双曲拱桥的维修加固都有一定的参考价值。 |
| 10. | In this article , the method how to establish the dimensional model of existing double - curved arch bridge by making use of large software ansys is studied , a way to assess loading ability combining the dead load experiment is brought out 本课题主要研究了如何用大型有限元程序ansys建立既有双曲拱桥的空间模型,并运用空间分析结合荷载试验对承载能力进行评定的方法。 |