Due to environmental degradation,the number of diseases of concrete rail bridge is growing rapidly,which has become a major challenge for bridge maintenance workers.
由于环境恶化等原因,铁路混凝土桥梁病害的数量急剧增长,已经成为桥梁维护工作者的一大难题。
参考来源 - 青藏铁路32m混凝土后张梁裂缝修补材料的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
不同文明和谐共处、交流互鉴，可以成为增进各国人民友谊的桥梁、推动人类社会进步的动力、维护世界和平的纽带。
Diverse civilizations, through harmonious coexistence and mutual learning, may become a bridge of friendship among peoples, a driving force for social progress and a bond for world peace.
桥梁设施安全维护管理。
建议本方法为涉及现存桥梁的评估、维护和修理及新拱桥设计的结构工程师的设计辅助工具。
The method is proposed as a design aid for structural engineers involved in the assessment, maintenance, and repair of existing Bridges, and the design of new arches.
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