Author(s)

A.Moropoulou, A.Bakolas, P.Moundoulas & A.S.Cakmak

Abstract

Structural studies to determine the earthquake worthiness of Hagia Sophia in Istanbul have proved that the monument's static and dynamic behavior depends very strongly on the mechanical, chemical and microstructural properties of the masonry mortars and bricks. The results show a decrease of 5-10% in the natural frequencies, as the amplitude of the accelerations increases and returns to their initial values, due

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