The dynamic testing on an existing steel structure footbridge is introduced, and the dynamic characteristics are analyzed.

介绍了对一座钢结构人行桥进行的全桥动力测试，并对结构的动力特性进行了分析。

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The existing problems in calculation approach for multi-story and high-rise steel frame structure are summarized.

总结了目前多高层钢框架结构计算方法存在的问题。

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GQ98 Series pourable refractory has been successfully developed in order to improve the complex lining of steel rolling heating furnace and to renew the materials and structure of the existing lining.

为进一步提高轧钢加热炉复合炉衬的良好效益，更新现有炉衬的材料和结构，成功地开发了GQ 98系列浇注料。

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The work will involve the construction of a new structure outside the existing 150ft (46m) wide steel dock gate in order to safeguard the dock from flooding.

BBC: Titanic dock gets ?1.5m funding boost