Which consequence arises when early Inca masonry lacked proper keying?

💡 Explanation

Reduced shear strength occurred because friction was the primary resistance after construction; lacking mechanical interlocking via keying caused planar slip during ground movements or loading because of friction mobilization, therefore reduced structural integrity, rather than any damping.

• Which defensive outcome occurred less frequently inside fortifications employing 'murder-holes'?
• Which outcome occurred during the medieval era when crafters polished concave lenses?
• Which risk arises when weathering erodes lime mortar affecting pietra dura inlay?
• Which outcome would excessively increase in Roman ballistae due to prolonged usage?
• Which mechanism increased water pressure in the Shahi Hammam?
• Which process causes detachment of 'pietra dura' inlay in Mughal-era monuments facing high dew points?