Answer :
Final answer:
The Incas used a technique called ashlar masonry to build earthquake-resistant structures, where precisely cut stones fit together without mortar. This allowed for movement during earthquakes while maintaining structural integrity. Their architectural techniques, exemplified in sites like Sacsayhuaman, have contributed to the longevity of their constructions.
Explanation:
Inca Techniques for Earthquake-Resistant Structures
The Incas employed a remarkable architectural technique that helped their structures withstand earthquakes, which were common in the Andean region. They are best known for their use of ashlar masonry, where stones were precisely cut and shaped to fit together tightly without the use of mortar. This technique allowed the walls to shift during seismic activity, with the stones adjusting back into place due to their own weight and the friction between them.
For instance, the walls of the temple complex at Sacsayhuaman in Cusco still stand today, showcasing the skill of Inca masons in creating tightly interlocking stones. Unlike the European methods that utilized mortar, which often led to structural failure during earthquakes, the Incan approach allowed their buildings to endure over time and changing conditions.
In conclusion, the combination of intricately cut stone and a design that leveraged gravity and friction ensured that Inca structures remained stable and resilient against the frequent tremors of the region.
Learn more about Inca Architecture here:
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