In this paper, the factors affecting the bridge concrete durability and the design methods for improving the concrete durability are expounded.

详细说明了影响桥梁混凝土耐久性的因素及如何通过设计提高混凝土的耐久性。

youdao

Bridge concrete cracks on the types and causes of railway policy of the Provisional Construction of high bridge pier cracks in the control and preventive measures were analyzed and summarized.

阐述桥梁混凝土裂缝种类和成因，对临策铁路高墩桥施工中的裂缝控制和预防措施进行分析和总结。

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The results of research indicate that although the mechanical properties and durability of HPC satisfy the technology demand of sea-crossing bridge concrete, its cracking risk increases greatly.

研究表明，高性能混凝土虽然其本身的力学性能和耐久性满足跨 海大桥混凝土技术要求，但其开裂的风险随之大幅度增加。

youdao

A concrete bridge was built about two hundred seventy-five meters above the Colorado River.

VOA: special.2010.10.27

We sponsor an online social network called Interfaith Bridge Builders Network with over a 1000 people who are in constant discussion of the concrete interfaith projects interfaith programs that are running.

我们创办了一个网上社交网站,它叫做跨信仰桥梁建造者网站,该网站上有1000多人持续讨论,实际的跨信仰项目,以及正在实施的跨信仰项目。

普林斯顿公开课 - 人性课程节选

It is the largest single-span concrete arch bridge in the Western Hemisphere.

VOA: special.2010.10.27

The steel and concrete bridge was opened in 1875 and was last used in 1968.

BBC: Demolition begins on Derbyshire accident bridge

Eventually the train tracks crossed over Lovell Road, and we got off them there while the road took us across the river on a steel and concrete bridge that was falling to pieces now.

NPR: Excerpt: 'World Made By Hand'

It will include bridge repairs and installing concrete barriers along the central reservation.

BBC: Gloucestershire