Osireion's 50-ton granite pillars weren't for roof support — they added weight to anchor the structure and prevent flotation. The 123m corridor leading to it cuts through marl rock. Modern civil engineers understand the buoyancy problem empty cisterns face in high water tables.
Heavy Pillars Counter Buoyancy Forces in Submerged Cistern
Site mentioned
📍 Osireion🌍 Show on the globe
Key facts
- Osireion is permanently submerged and mostly buried in sand
- Structure must withstand hydrostatic pressure from groundwater and stored water
- Buoyancy force can lift empty cisterns in high water table areas
- 50-ton granite pillars added weight to prevent flotation rather than support roof
- Limestone foundation prevents sinking
- 6m thick walls withstand internal and external hydrostatic pressures
- Thrust beams distribute loads and pressures between island and walls
- Long corridor (123m x 2.5m) has 2.4% slope matching residential drainage pipe specifications
Sources
jameswesterman.org
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isida-project.org
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isida-project.org
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isida-project.org
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