What should be paid attention to when using concrete admixtures(2)?

In the process of concrete mixing, the mixing method of admixture has a great influence on the effect of admixture.…

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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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What should be paid attention to when using polycarboxylate superplasticizer for C30 and below concrete?

Polycarboxylate superplasticizer has more advantages than traditional naphthalene and aliphatic superplasticizer in mixing high strength grade concrete, but its advantages of high water reduction cannot be brought into full play when the strength is…

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The content of chloride ion should be controlled when compounding polycarboxylic acid high performance superplasticizer

In order to improve the early strength of concrete, some manufacturers will add triethanolamine, calcium chloride and industrial salt to the superplasticizer, especially in winter or prefabricated component factories and cement products factories tha…

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Problems when using pce powder

In terms of action mechanism, the molecular structure of polycarboxylate superplasticizer is comb type, and the polar anion…

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What are the problems when polycarboxylate superplasticizer is used in concrete engineering?

The influence of water consumption is very obvious. In the actual application of concrete engineering, sometimes if the water consumption is increased by more 1~3kg/m3, the concrete will appear serious bleeding phenomenon, which will cause defects su…

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What problems should be paid attention to when using polycarboxylate water reducer for concrete of C30 and below

Polycarboxylate superplasticizer has more advantages than traditional naphthalene series and aliphatic superplasticizers when mixing high-strength concrete, but for low-strength concrete whose strength is not greater than C30, its high water-reducing…

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Fire prevention is the number one precaution when we using lithium batteries

Lithium batteries use organic solvents, unlike the zinc chloride and potassium hydroxide aqueous electrolytes of the current manganese batteries and alkaline dry batteries.…

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Matters needing attention when selecting KOYO bearings

Matters needing attention when selecting KOYO bearings…

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Windows 11 will not be able to use Android apps when it launches on October 5 may have an impact on the market for the samsung galaxy s9 battery replacement

AndroidApps and Windows 11: Here what you should know Microsofthas delayed one of the most anticipated features of its new Windows 11software. The tech giant said it would not offer Android mobile apps in its newPC app store when it launches the next…

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Windows 11 will not be able to use Android apps when it launches on October 5 may have an impact on the market for the apple watch glass replacement

AndroidApps and Windows 11: Here what you should know Microsofthas delayed one of the most anticipated features of its new Windows 11software. The tech giant said it would not offer Android mobile apps in its newPC app store when it launches the next…

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Related news

Where are concrete admixtures used?

At first, concrete additives were used only to save cement. With the development of construction technology, admixture has become the main measure to improve the performance of concrete.…

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Bearing steel crude steel production rise also affects the price of the 3208b bearing

In 2021, the domestic crude steel output of bearing steel will increase by 18.95% year-on-year, and the bearing steel output will increase by 18.84% year-on-year. Reviewing the bearing steel market in…

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The common problems in the use and maintenance of lithium batteries

The lithium-ion battery has a nominal voltage of 3.7V (3.6V) and a charge cut-off voltage of 4.2V…

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