The service time and the best time for maintenance of bridge steel box girder coating were put forward in this paper.

阐述了大桥钢箱梁涂层的使用寿命以及维修保养的最佳时期。

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This is an active explore to life prediction of anticorrosive coating of bridge steel structure and its dynamic management.

这是对我国桥梁钢结构防腐蚀涂层腐蚀剩余寿命预测，安全运营动态管理研究的一次积极探索。

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Each country has thrown in a great deal of manpower, materials and financial to the reaches of anticorrosive coatings of bridge steel structure.

对于桥梁钢结构的防腐蚀涂装保护，各个国家都投入了大量的人力、物力和财力进行研究。

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So you pick a better material like iron and steel, that makes a better bridge, we know that now because we have experience with bridges, but still your bridge might fail.

你选择了钢铁作为材料,来造了一座更好的桥,我们现在能够明晰这一点,是因为在造桥这件事上我们现在很有经验,但即使是我们现在造的桥也仍然会倒塌

耶鲁公开课 - 生物医学工程探索课程节选

It's a steel truss bridge, meaning it has a boxy steel frame.

NPR: Feds Look For Temporary Fix After I-5 Collapse

The lighthouse stands on a rugged tall cliff, connected to the mainland by a narrow steel suspension bridge.

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Dorgan also cited an in-depth study of the bridge's fatigue potential conducted from 2004 to 2007 that recommended two alternatives for the bridge's future -- to add steel plates to reinforce critical parts of the bridge or to conduct thorough inspections of the wells inside the box to determine whether there were cracks.

CNN: Bridge collapse probe focuses on unexplained shift