Cause Analysis Of Surface Bubble in Concrete Construction

And some high performance or high strength concrete through the addition of appropriate air entraining agent, so that the concrete produces some tiny bubbles, so as to effectively improve the toughness of concrete, reduce its brittleness. But when the content of bubbles in concrete exceeds this range, on the one hand, a large number of bubbles on the surface of concrete will accelerate the carbonization rate of the surface of concrete, so that the effective thickness of the protective layer of reinforcement gradually decreases, directly reducing the corrosion resistance of concrete; On the other hand, concrete contains large and many bubbles, which makes the section size of concrete gradually shrink, resulting in the reduction of the internal compactness of concrete, which seriously affects the strength of concrete.