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← HistoryWhich structural risk increases when ancient Peruvian masonry tilts outwards?
A)Tensile stress within stone increases
B)Shear forces exceed stone strength
C)Eccentric axial compressive load✓
D)Stone spalling from surface weathering
💡 Explanation
Outward tilting increases the eccentricity of the structure's weight, concentrating axial compressive load away from the center because the line of force shifts; therefore, compressive stress increases dramatically, rather than tensile as the load is offset.
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