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    Structures Structures Presentation Transcript

    • S T R U C T U R E S
    • Index
      • Structures Pag 3
      • - Frame structures Pag 5
      • - Shell structures Pag 6
      • - Arch Pag 7
      • - Mass structures Pag 8
      • - Suspension structures Pag 9
      • structural elements Pag10
      • types of unions Pag11
      • Forces on structural
      • elements Pag12
      • -Transional strain Pag14
      • -Comprension forces Pag15
      • -Shear strain Pag16
      • -Tension forces Pag17
      • -Bending forces Pag18
      • Monuments Pag19
    • Structures
      • A structure is a group of elements somehow united to support a load with stability
      • Frame estructures
      • Shell structures
      • Arch
      • Mass structures
      • Suspension structures
    • Frame structures
      • Is the most common structure.
      • They are composed of long elements joined each other.The elements are made up of strong materials
    • Shell Structures
      • Are made of a thin outer layer of material.These volumen can be empty or can be filled with something.
    • Arch
      • Romans invented the arch.
      • Are many types,but semicircular arch is the most used.
      • The stone at the top is called 'keystone'
    • Mass Structure
      • Are simply made of clump material and with a low-quality
      • It is normaly thick
      • Mountains and corals reefs are natural examples
    • Suspension structures
      • It holds an element by cables that are held from the top of a tall column
      • The space betwen two columns is called span
    • Structural elements
      • It is the simplest part of the whole
      • In a structure, the forces for every elements are calculated and the element is designed to withstand them.
      • The structural elements are:
      • foundations joined to columns and primary and secondary beams
    • Types of unions
      • Unions are use to unite elements there are two types:
      • Permanent unions:structures not need to be disassembled
      • Non-permanent unions:elements can be disassemble and assembled
    • Forces on structural elements
      • A successful structure must be able to withstandall the forces that it will experience without toppling over or collaping
    • Types of forces
      • Transional strain
      • Comprenssion forces
      • Shear strain
      • Torsion forces
      • Bending forces
      • The strain that causes an element to strench
      • It can be due two forces that pull that pull an element from its ends
        Transional strain
      • Comprenssion forces
      • They are those forces wich cause an element to get squeezed or buckled
      • Shear strain
      • Sher forces act across a material in such a way that they can force an element to slide over another
      • Torsion forces
      • 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
    • Bending forces
      • Act at an angle to a member making it bend
    • b u i l d i n g s
    • Suspension structures
    • Frame structures
    • Arch
    • Mass Structure