Sulfate attack in concrete and mortar

（重定向自Sulfate attack）

Sulfate attack in concrete and mortar can be 'external' or 'internal'. External: due to penetration of sulfates in solution, in groundwater for example, into the concrete from outside. Internal: due to a soluble source being incorporated into the concrete at the time of mixing, gypsum in the aggregate, for example.

单词	Sulfate attack
释义	Sulfate attack 英语百科 Sulfate attack in concrete and mortar （重定向自Sulfate attack） Sulfate attack in concrete and mortar can be 'external' or 'internal'. External: due to penetration of sulfates in solution, in groundwater for example, into the concrete from outside. Internal: due to a soluble source being incorporated into the concrete at the time of mixing, gypsum in the aggregate, for example.
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