Which risk increased inside besieged medieval castles utilizing covered hoarding?

💡 Explanation

Spalling risk grows from mangonel stone impacts because **compressive stress** buildup transfers to tension at the inner surface causing material ejection; therefore, sections broke off, rather than the wall remaining intact under high compression alone during the impacts

• Which limitation of the Byzantine Empire’s _cheirosiphōn_ (hand-held flame projector) dictated fleet tactic?
• Which structural vulnerability most challenged Roman artillery during siege warfare against dry-stone fortifications?
• Which risk increases when a Roman fort's wooden palisade rots?
• Which outcome commonly arises when Roman roadbeds used incompetent Geotechnics?
• Which long-term structural risk increased in Gothic cathedrals when masons utilized thin, lightweight stones?
• Which outcome occurred with Alhazen's lens experiments focusing sunlight?