Foaming problem in fireproof cement
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As the title suggests, what causes foaming in the fire-resistant cement used for the tower skirt base? All the other towers are fine; only one tower is experiencing severe bubbling, which might be related to liquid material leaking in?
The gradation is unreasonable, with too much coarse aggregate and too little fine aggregate； Improper aggregate size, excessive content of flaky and needle-shaped particles ； Concrete with high water consumption and a high water-cement ratio ； It is related to certain admixtures as well as the chemical composition of the cement itself ； The release agent used is inappropriate.