How to choose concrete sand and gravel aggregates? Clarify the core quality requirements in one go

Many people think that the quality of concrete only depends on cement, but in fact, sand and gravel aggregates account for more than 70% of the volume of concrete.

Plastic Nail Plate

The quality of aggregates directly determines the strength, compactness, and durability of concrete, and is also the core cause of cracking, sanding, and insufficient strength.

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