Man made structures

Man made structures

1. Massive structures

   • The first man made structures were carved from rock or were built by stacking rocks or other materials

2. Suspended structures

   • This type of structure use cables,called suspenders.When they can be adjusted,they are called tension members. Cables are used to fasten bridges,marquees,antennas and towers

3. Vaulted structures

   • Vaulted structures are formed by arched and vaulds using stones

4. Laminated structures

   • This are formed by laminates of metal,plastic or composite material like reinforced concrete.Their curved shape and folds give them their strength

5. Triangular structures

   • These structures are made from bars,normally metal or wooden .This makes ideal for building bridges covered with larges trusses and vertical structures,like towers and scaffolds

6. Reinforced structures

   • Concrete led to major advances in construction because it could be made into any shape.Concrete resist compression and with steel rebar

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