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Rajdeb Dey
•
Protrader • 1d
Project Obsidian: Deep Rock Fortification Architecture A Technical Framework for Subterranean Ballistic Defense Prepared by: Rajdeb Dey Classification: Civilian/Industrial Defense Architecture Subject: High-Yield Ballistic Impact Mitigation & Sub-Lithospheric Habitation 1. Geological Selection & Site Analysis The architecture of a missile-proof bunker begins not with the structure itself, but with the geology that encases it. The "host rock" provides the primary shield; the bunker is merely the secondary containment. 1.1 Rock Mechanics Ideal Substrate: Granite, Basalt, or Gneiss. These igneous and metamorphic rocks offer high compressive strength (>200 MPa) and density, effectively attenuating shockwaves. The Spalling Factor: When a kinetic or explosive payload strikes the surface, the shockwave travels through the rock. Upon reaching the void (the bunker ceiling), the energy reflects, causing the rock surface to explode inward (spalling). Mitigation: The architecture requires
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