The Black Pyramid's substructure has been slowly collapsing due to poor quality limestone bedrock unable to support the massive weight of the mud brick pyramid above. Ceiling blocks show multiple cracks throughout, with some passages described as "sketchy" and in danger of collapse. The western entrance reveals exposed bedrock with iron oxide deposits. 📉🏚️
Structural Collapse: Mud Brick Weight Causing Substructure Instability
Site mentioned
📍 Black Pyramid of Dashur
Key facts
- Poor quality limestone bedrock beneath the pyramid
- Weight of mud brick pyramid pressing down and slowly collapsing substructure
- Ceiling blocks cracked in multiple places
- Some passages described as 'sketchy' and in danger of collapse
- Western entrance area has exposed bedrock and iron oxide deposits
- Southern tomb area partially collapsed and sealed with rubble
- Some areas constructed of unreinforced mud brick
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