Structures

1. STRUCTURES
A structure is something that supports an object or a load

2. ● A structure must:
➔ be strong enough to support its own weight and
loads
➔ be stable
➔ resist without losing shape

3. Kinds of structures
● Mass structures
● Frame structures
● Shell structures

4. Mass structures
Mass structures are solid structures which rely on their own
weight to resist loads.

5. Frame structures
Frame structures are made from many small parts (called
members), joined together

6. Shell structures
Shell structure are made or assembled from shaped panels to
make one piece.
https://www.youtube.com/watch?v=O84phC4w-Cs

7. But they can also be classified into
● Natural structures which have been produced by nature
● Manufactured structures which have been built by human
beings

8. But they can also be classified into
● Natural structures which have been produced by nature
● Manufactured structures which have been built by human
beings

10. FORCES ACTING ON STRUCTURES
● TENSION
● COMPRESSION
● TORSION
● SHEAR
● BENDING

11. TENSION

12. COMPRESSION

13. TORSION

14. SHEAR

15. BENDING

16. TRIANGLE IS THE MOST RIGID FRAME STRUCTURE
●
● This structure is rigid and is
not easily deformed.
●
●
● This structure is easily
deformed

17. FAMOUS STRUCTURES OF THE WORLD

18. TAJ MAHAL

19. EIFFEL
TOWER

20. COLISEO

21. PIRAMIDE DE KEOPS

22. SIDNEY OPERA HOUSE

23. GOLDEN GATE BRIDGE

24. THE SACRED FAMILY

25. STONEHENGE

26. ROOF OF THE PALAU SANT JORDI

27. GUGGENHEIM MUSEUM

28. USEFULSENTENCES ABOUTSTRUCTURES
- This structure it's located in….(Country, region)
- It was build at ….(year) by…….(Arquitecth, builder, slaves...)
- It's a (frame, shell, mass) structure beause it's made of…
- The principal material of the structure is….
- The structure is/was used to ….. and nowadays is still used to that (or maybe
not)
- This structure has to support diferent kind of forces, such as …… in this area , or
…. in that place.
- In my opinion , this struture is…… because…..