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Symptoms for aggressive ACR reaction?(a) It will show disintegration of the concrete evidenced by loss of the cement paste(b) It will show concrete surfaces that are very rough in areas where the paste is leached(c) Affected concrete does not exhibit telltale features too distinctly(d) Expansion does not occur without reaction productsI had been asked this question in examination.This interesting question is from Symptoms and Diagnosis of Distress topic in section Repair Technology for Concrete Structures of Concrete Technology

Answer»

Correct OPTION is (c) Affected concrete does not exhibit telltale features too distinctly

Easy EXPLANATION: ACR affected concrete does not exhibit telltale features too distinctly. AAR results in deleterious expansive cracking of concrete occurring at the LATER AGES after construction.



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