对于严寒地区寒潮是大体积混凝土产生裂缝的主要原因。
In cold region, crevices emerged on the surface of mass concrete because of cold waves.
混凝土顶板长期处于大气环境中，产生内应力致使混凝土产生裂缝。
Leading to cracks is producing the internal stress which the concrete roof being at the atmosphere environment for a long-term.
论述了拱坝混凝土产生裂缝的危害性及其原因，并针对性地提出多种温控防裂措施。
It expounds harmfulness and cause of crack of concrete of arch DAMS, and measures of crack prevention in such structures are suggested.
文章主要通过研究目前铁路桥梁施工中大体积混凝土产生裂缝的原因，提出了必要的防治措施。
This paper puts forward necessary control measures mainly through the study on causes for cracks in large volume concrete in current railway bridge construction.
因此当收缩变形不能自由进行时，有可能导致混凝土产生裂缝，并且裂缝的数量随着时间的增加而增多。
If restrained, shrinkage strains can cause cracking of concrete and will generally cause the deflection of structural members to increase with time.
本文详细地介绍了大体积混凝土产生裂缝的机理，并从材料、设计、施工方面提出控制手段，引用具体实例进行论证。
This article describes in detail cracks in mass concrete mechanism, and from materials, design, construction and put forward controls, citing specific examples to demonstrate.
由于有害离子侵蚀，混凝土碳化，钢筋锈蚀等方面原因，致使渡槽排架混凝土产生裂缝、剥落，严重危及着渡槽的安全运行。
Due to harmful ion corrosion, concrete carbonizing and steel bar rusting, it result in concrete structure peeling, peel-ing and danger to the structure safety.
在公路隧道检修时，发现衬砌混凝土产生多处纵向裂缝，开裂较为严重。
When a road tunnel is checked, serious longitudinal cracks are detected in the liner concrete.
在公路隧道检修时，发现衬砌混凝土产生多处纵向裂缝，开裂较为严重。
When a road tunnel is checked, serious longitudinal cracks are detected in the liner concrete.
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