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Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
Structures
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Structures

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  1. S T R U C T U R E S
  2. Index <ul><li>Structures Pag 3
  3. - Frame structures Pag 5
  4. - Shell structures Pag 6
  5. - Arch Pag 7
  6. - Mass structures Pag 8
  7. - Suspension structures Pag 9
  8. structural elements Pag10
  9. types of unions Pag11 </li></ul><ul><li>Forces on structural
  10. elements Pag12
  11. -Transional strain Pag14
  12. -Comprension forces Pag15
  13. -Shear strain Pag16
  14. -Tension forces Pag17
  15. -Bending forces Pag18
  16. Monuments Pag19 </li></ul>
  17. Structures <ul><li>A structure is a group of elements somehow united to support a load with stability </li></ul>
  18. TYPES OF STRUCTURES <ul><li>Frame estructures
  19. Shell structures
  20. Arch
  21. Mass structures
  22. Suspension structures </li></ul>
  23. Frame structures <ul><li>Is the most common structure.
  24. They are composed of long elements joined each other.The elements are made up of strong materials </li></ul>
  25. Shell Structures <ul><li>Are made of a thin outer layer of material.These volumen can be empty or can be filled with something. </li></ul>
  26. Arch <ul><li>Romans invented the arch.
  27. Are many types,but semicircular arch is the most used.
  28. The stone at the top is called 'keystone' </li></ul>
  29. Mass Structure <ul><li>Are simply made of clump material and with a low-quality
  30. It is normaly thick
  31. Mountains and corals reefs are natural examples </li></ul>
  32. Suspension structures <ul><li>It holds an element by cables that are held from the top of a tall column
  33. The space betwen two columns is called span </li></ul>
  34. Structural elements <ul><li>It is the simplest part of the whole
  35. In a structure, the forces for every elements are calculated and the element is designed to withstand them.
  36. The structural elements are:
  37. foundations joined to columns and primary and secondary beams </li></ul>
  38. Types of unions <ul><li>Unions are use to unite elements there are two types:
  39. Permanent unions:structures not need to be disassembled
  40. Non-permanent unions:elements can be disassemble and assembled </li></ul>
  41. Forces on structural elements <ul><li>A successful structure must be able to withstandall the forces that it will experience without toppling over or collaping </li></ul>
  42. Types of forces <ul><li>Transional strain
  43. Comprenssion forces
  44. Shear strain
  45. Torsion forces
  46. Bending forces </li></ul>
  47. <ul><li>The strain that causes an element to strench
  48. It can be due two forces that pull that pull an element from its ends </li></ul><ul>Transional strain </ul>
  49. <ul>Comprenssion forces </ul><ul><li>They are those forces wich cause an element to get squeezed or buckled </li></ul>
  50. <ul>Shear strain </ul><ul><li>Sher forces act across a material in such a way that they can force an element to slide over another </li></ul>
  51. <ul>Torsion forces </ul><ul><li>If you apply a turning force aione end of an element and , if the element is fixed to support at the other end, the element twists </li></ul>
  52. Bending forces <ul><li>Act at an angle to a member making it bend </li></ul>
  53. b u i l d i n g s
  54. Suspension structures
  55. Frame structures
  56. Arch
  57. Mass Structure

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