Which outcome arises when seasonal temperature cycles impact the expansion joints behind the pietra dura inlay within a Mughal garden pavilion?

💡 Explanation

Stresses on brittle pietra dura increase through thermal expansion mismatch between the inlay and substrate, leading to accelerated mortar joint deterioration due to freeze-thaw cycles; a mechanism called 'thermal ratcheting'. Therefore, expansion compromises joint seals rather than ensuring continued functionality, because gradual damage accumulates

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