(a) Silica tetrahedra and alumina octahedra sheets are joined together by sharing oxygen atoms; (b) In a 1:1 type of clay, layers are non-expansive because of the presence of oxygen bond between layers. * A if a is correct B if b is correct C if both statements are correct D if neither statement a nor b are true

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Q: In which of the following statement is incorrect? O Internal friction angle is higher in clay than…

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Crack Detection

Concrete materials are meant for supporting structures, building foundations and they act as several load-bearing structures. Over time, due to environmental conditions, and based on the constituent materials used, concrete materials are subjected to a great degree of distress. Corrosion of the reinforcement bars due to chemical influences, uneven base, earthquake, drying shrinkages, and alkali-aggregate reactions are some of the reasons for concrete distress.