Dissolving Earth: The Arrogant Collapse of the Teton Dam
Loess, Piping, and the Catastrophic Engineering Hubris in the American West, 1976
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Beschreibung
They built a massive dam using soil that actively dissolved in water, anchoring it into cracked rock, and simply hoped the geology wouldn't notice their arrogance.
Building a 300-foot-high dam out of compacted dirt requires absolute geological perfection. When the Bureau of Reclamation decided to build the massive Teton Dam in Idaho, they chose to anchor it into heavily fractured, highly porous volcanic rock, entirely ignoring the desperate warnings of their own geologists.
The true fatal flaw, however, was the use of loess soil. This wind-blown silt is structurally sound when dry but dissolves almost instantly when exposed to flowing water. As the reservoir filled for the very first time in June 1976, water found a tiny crack. Through a rapid physical process called "piping," the water dissolved the soil from the inside out, turning a microscopic leak into a massive, roaring cavern within hours. The entire structure spectacularly disintegrated, sending a wall of water wiping out towns miles downstream.
This textbook analyzes the ultimate failure of civil engineering bureaucracy. We dissect the precise soil mechanics of the collapse and the devastating consequences of prioritizing political momentum over physical safety.
Study the blueprint of a preventable disaster. Learn how the arrogant defiance of basic geology resulted in one of America’s most spectacular infrastructural failures.
Autor*in
Jacob Tucker
Author
Themen in »Dissolving Earth: The Arrogant Collapse of the Teton Dam«
teton dam failure civil engineering disasters loess soil piping 1976 idaho flood structural negligence catastrophic infrastructure bureau of reclamation