Which stabilization mechanism prevented collapse in steeply-walled Late Roman castra?

💡 Explanation

When constructing steeply sloped walls, instability can create landslides; Roman castra reduced this risk via geogrid reinforcement because textile layers improve internal friction, enhancing shear resistance among unconsolidated aggregate. Therefore, embedded geogrids resulted, rather than buttresses or timber frames which require different construction principles in embankments.

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