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Question:

What is the role of concrete in the material?

What is the role of concrete in the material?

Answer:

Its use of cementing materials for the clay, lime, gypsum, volcanic ash and so on.
Since the emergence of Portland cement in the 1920s, the concrete used in it has the strength and durability required for engineering and is easy to obtain, low in cost, especially low in energy consumption,
At the beginning of the 20th century, it was published that the theory of water-cement ratio, the initial laying the theoretical basis of the strength of concrete.
Later, there have been light aggregate concrete, aerated concrete and other concrete, a variety of concrete admixtures also began to use.
Since the 1960s, the use of water-reducing agent, and the emergence of superplasticizer and the corresponding flow of concrete; polymer materials into the field of concrete materials, the emergence of polymer concrete; a variety of fibers are used for decentralized reinforced concrete

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