In Song dynasty iron suspension bridges, which outcome resulted from wrought iron chain production exceeding its elastic limit?

💡 Explanation

Excessive chain strain causes plastic deformation via dislocation slip, increasing the bridge's static deflection because the iron permanently lengthens under constant load. Therefore, the deck sags rather than returning to its original height as it would ideally in an elastic system.

• Which limitation appears when reflected sunlight exceeds design limits of 18th-century sextants?
• Which consequence results from a disrupted supply of key minerals during the Byzantine mosaic production?
• Which destructive outcome appeared due to differential material expansion in cast iron bridge construction?
• Which structural weakness most likely compromised the walls of Constantinople during the 1453 siege?
• Which mechanical consequence resulted from accelerated wood fiber relaxation in 18th-century ship construction?
• Which diplomatic consequence resulted when the Byzantine emperor employed deliberate ambiguity?