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← HistoryWithin Incan stone masonry, which process minimizes structural settling?
A)Ashlar type block interlocking✓
B)Use of trapezoidal wall geometry
C)Accurate corner stone placement
D)Lithic material hydrothermal alteration
💡 Explanation
Ashlar block interlocking helps distribute load because the stones adjust and settle together; differential movement remains very low. Therefore, even settling minimizes stress concentrations rather than only shifting geometry, as in choices B, C, or altering stone in D.
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