How Engineers Straightened the Leaning Tower of Pisa

Summary by Krater

An engineering breakdown of how the Leaning Tower of Pisa was stabilized through centuries of construction and remediation, concluding with the under-excavation techniques that successfully reduced its tilt.

From the video

Answers: How did engineers stabilize the Leaning Tower of Pisa?

• Geotechnical engineering
• Tower of Pisa foundation stabilization
• Soil mechanics and clay consolidation
• Under-excavation drilling methods

What it concludes

• Early interventions like adding lead weights caused the tower to tilt in the wrong direction and increased collapse risk.
• Electro-osmosis failed because the soil was too conductive.
• Under-excavation successfully reduced the tower's tilt by about half a degree, returning it to early 1800s levels.