Also, the mechanism of self healing of concrete cracks was carried out.

还对混凝土裂缝自愈合机理进行了研究。

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This paper mainly expounds the reasons and prevention measures of concrete cracks.

本文主要阐述了混凝土裂缝的成因及防治措施。

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This paper mainly discusses the cause of concrete cracks occur and prevention method.

本文主要阐述混凝土开裂发生的原因及防治方法。

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Concrete cracks when it is punctured by a screw.

FORBES: The Taming of the Screw

Cracks in concrete ducts around the pool and corroded pipes were just some of the issues discovered, with repairs carried out by specialists.

BBC: Swindon Link Centre pool to reopen after repairs

Fans wearing the Brazilian national team's trademark yellow shirts milled around outside the stadium, where large cracks between concrete pavement blocks were filled with still-wet concrete.

WSJ: Brazil 2, England 2: Brazil's Maracan? Stadium, National Team Need Work