Tag Archive for Tag: Microstructural features

Tag: Microstructural features Microstructural features and proposed mechanisms of DEF expansion

Samples which have undergone DEF exhibit a characteristic microstructure after expansion, in which clear rims are seen around aggregate particles, largely filled with oriented ettringite. To some degree the thickness of the rims follows the size of the aggregate particles, although not all rims are continuous or filled and there are additional cracks through the cement paste. The diversity of

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