Effects of stress on concrete expansion due to delayed ettringite formation
Construction and Building Materials(2018)
摘要
•DEF expansion in reinforced and prestressed concrete specimens has been studied.•Expansions decrease in restrained directions but remain unchanged in free direction.•The final volumetric expansion is reduced when restraint is applied.•Expansion due to sulfate attack under uniaxial loading is anisotropic.•Expansion appears to be independent of loading applied in other directions.
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关键词
Anisotropy,Delayed ettringite formation (DEF),Expansion,Sulfate attack,Modelling
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