China economy grew sharply in the first quarter as consumer spending strengthened, along with production and investment, recovering from the COVID-19 downturn a year ago. Gross domestic product climbed a record 18.3 percent in the first quarter from…
Description ofConcrete strength and shrinkage reducer1. After the carbonate cement is added to the c...…
Magnesium Ingot the introduction From the various metals that are used to make dies, magnesium is one of the most popular. Its qualities make it attractive to die-casters , as well as the end-users. It is used to produce the aluminum-magnesium alloy…
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.…