People of Inca civilization were masters of the polished dry-stone walls, called ashlar, where blocks of stone were cut to fit together tightly without any mortar. The Incas were among the best stone masons the world has ever known. Many junctions in their masonry were so perfect that even blades of grass could not fit between the stones. Peru is a highly seismic land, and for centuries the mortar-free construction proved to be apparently more earthquake-resistant than using mortar.

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  • People of Inca civilization were masters of the polished dry-stone walls, called ashlar, where blocks of stone were cut to fit together tightly without any mortar. The Incas were among the best stone masons the world has ever known. Many junctions in their masonry were so perfect that even blades of grass could not fit between the stones. Peru is a highly seismic land, and for centuries the mortar-free construction proved to be apparently more earthquake-resistant than using mortar. The stones of the dry-stone walls built by the Incas could move slightly and resettle without the walls collapsing . This ingenious passive structural control technique employs both the principle of energy dissipation and that of suppressing resonant amplifications.
  • Первыми строителями, обратившим особое внимание на сейсмостойкость капитальных построек, в частности, сухой кладки стен зданий, были инки, древние жители Перу. Особенностями архитектуры инков является необычайно тщательная и плотная (так, что между блоками нельзя просунуть и лезвия ножа) подгонка каменных блоков (часто неправильной формы и очень различных размеров) друг к другу без использования строительных растворов . Благодаря этим особенностям кладка инков не имела резонансных частот и точек концентрации напряжений, обладая дополнительной прочностью свода. При землетрясениях небольшой и средней силы такая кладка оставалась практически неподвижной, а при сильных — камни «плясали» на своих местах, не теряя взаимного расположения и при окончании землетрясения укладывались в прежнем порядке . Эти обстоятельства позволяют считать сухую кладку стен инками одним из первых в истории устройств пассивного виброконтроля зданий.
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  • People of Inca civilization were masters of the polished dry-stone walls, called ashlar, where blocks of stone were cut to fit together tightly without any mortar. The Incas were among the best stone masons the world has ever known. Many junctions in their masonry were so perfect that even blades of grass could not fit between the stones. Peru is a highly seismic land, and for centuries the mortar-free construction proved to be apparently more earthquake-resistant than using mortar.
  • Первыми строителями, обратившим особое внимание на сейсмостойкость капитальных построек, в частности, сухой кладки стен зданий, были инки, древние жители Перу.
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  • Dry-stone walls control
  • Сухая кладка стен
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