[55] If an excessive amount air becomes trapped in the concrete as a result of the mixing process, defoamers can be used to encourage the air bubble to agglomerate, rise to the area of the soaked concrete and afterwards disperse. From the late 19th and early twentieth centuries, reinforced concrete https://aikido37158.blogscribble.com/35909146/the-definitive-guide-to-concrete-reinforced-with-bamboo