Stability of Al-Hadba minaret a-parametric study
Engineering and Technology Journal,
2010, Volume 28, Issue 19, Pages 968-981
Abstract
Al-Hadba minaret in MOSUL City is one of the famous and oldest Islamicmonuments in the city. This minaret suffers from cracks in different places and
partial collapse in the outer stairs and in the upper dome. In addition to that, the
minaret is suffering from leaning. In this research the stability analysis,
displacement, and stress distribution were investigated using ANSYS 11 program
to represent the effect of external loads, and loads from maintenance work. In the
analysis the minaret and its foundation were considered as a one unit. Further
more, the effect of changing the nature of surrounding soil was investigated.
Results showed that the underground soil around the foundation is fill and
very loose material containing high percent of organic material and cavities. This
formation is extend down to (4.3-9.8 m) below the ground surface and have no
pronounce effect on the stability of the minaret .The analysis showed that the maximum compressive stress at the base of minaret in the inclination direction of
the minaret, where the opposite direction is under tension and the highest value
was at the base of cylindrical part.
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