Wanderlust World Wanderlust World The Burj Khalifa (828 m, 163 floors) relied on the six classical simple machines—lever, wheel and axle, pulley, inclined plane, wedge, screw—scaled up through advanced engineering.
Tower cranes used massive pulley blocks to lift 25+ ton loads—rebar cages, concrete buckets, steel sections. Mechanical advantage multiplied motor torque.
Every rotating component: crane slewing rings, hoist drums, pump shafts, elevator sheaves, concrete mixer drums, truck axles.
Ramps for material access during lower-floor construction; screw conveyor flights (helical inclined planes) in concrete pumps.
Cutting tools (diamond segments on saws, drill bits), splitting wedges for rock excavation, knife edges on formwork release systems.
Threaded fasteners everywhere; screw jacks for formwork adjustment; auger piles for foundation; concrete pump screws.
Crowbars, pry bars, hydraulic cylinder pivots (force multiplication), crane counterweight arms, formwork clamping mechanisms.
The original list included cranes, concrete mixers, bulldozers, dump trucks, scaffolding, elevators, power tools—these are compound machines (combinations of simple machines) or powered equipment.
Every modern machine, no matter how complex, reduces to combinations of the six simple machines. The Burj Khalifa is the ultimate proof: ancient physics, unprecedented scale.