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What should be paid attention to when using concrete admixtures?

Admixtures can be used for almost all kinds of concrete, but suitable admixtures must be selected according to engineering needs, construction conditions and construction technology.…

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Air bubbles in concrete: Why and How to deal with it?

The bubbles in concrete above 100μm are called large harmful bubbles, 100 ~ 50μm are called harmful bubbles, 50 ~ 20μm are called low harmful bubbles or harmless bubbles, and those below 20μm are called beneficial bubbles.…

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Gold price fluctuations have a certain impact on global financial markets and the price of aluminum coil cut to length line

Gold futures for April 2022, the most actively traded contract on the New York Mercantile Exchange gold futures market, rose 0.2 U.S. dollars, or 0.01 percent, to close at 1,929.5 U.S. dollars an ounce on Friday. Federal Reserve Chairman Jerome Powel…

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