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POST AND LINTEL FRAMED STRUCTURE

POST AND LINTEL FRAMED STRUCTURE. Maria Fernanda Arias 0537845 Monica Fuentes 0538188 Alanna Kleiner 0538368 Caracas, March 14 th 2007. CONTENT. Definition Lintel’s job Post’s job Origins (history) Different materials Examples Framed Structure Best Materials for Framing

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POST AND LINTEL FRAMED STRUCTURE

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  1. POST AND LINTEL FRAMED STRUCTURE Maria Fernanda Arias 0537845 Monica Fuentes 0538188 Alanna Kleiner 0538368 Caracas, March 14th 2007

  2. CONTENT • Definition • Lintel’s job • Post’s job • Origins (history) • Different materials • Examples • Framed Structure • Best Materials for Framing • How is load supported in framed structure? • Framed structure through history • Heavy-timber • Light-frame • Steel frame

  3. Definition The simplest illustration of load and support in construction is the Post-Lintel system. 2 upright members (posts, columns, piers) hold up a 3th member (lintel, beam, girder, rafter) laid horizontally across their top surfaces

  4. Lintel’s job The job of the lintel is to bear the loads that rest on it (and its own load) without deforming or breaking Weakness: Failure occurs only when the material is too weak or the lintel is too long.

  5. Post’s job The job of the Post is to support the lintel and its loads without crushing or buckling. Weakness: Failure occurs, as in lintels, from excessive weakness or length, but the difference is that the material must be especially strong in compression. Columns: usually built up of a series of cylindrical blocks called DRUMS.

  6. Origins (history) • Prehistoric times • Egyptian temples • Greek temples

  7. Different materials • Stone • Steel • Wood • Iron • Reinforced Concrete • Brick

  8. Examples

  9. FRAMED STRUCTURE • What is a framed structure? • An assembly of slabs, beams, columns and foundation connected no one another so that it behaves as one unit. • A Skeleton able to stand by itself without depending on floors or walls • http://ennz.springdoo.com/Public/Play/Default.aspx?id=m1fcfc65edf8c4e856

  10. BEST MATERIALS FOR FRAMING REINFORCED CONCRETE WOOD STEEL Masonry

  11. How is load supported in framed structure? SLAB BEAMS COLUMNS LOWER COLUMNS FOUNDATION SOIL

  12. TALLER STRUCTURES

  13. Throug history... Heavy timber framing prehistory Mid-19th century Ballon frame Platform frame

  14. Heavy-timber Type of structure that provides a visible skeletal frame that supports the whole building and filled with non- sructural walls The techniques used in timber framing date back thousands of years, and have been used in many parts of the world during various periods such as ancient Japan, Europe and medieval England. WOOD large, heavy, wood members, specifically lumber 5 in. (13 cm) or more in the least dimension.

  15. There are differences between the English, the French, the Canadian and the German tradition for timber framing, and they consist basically in the materials used for filling the structure and the position of the beams and columns of the structure.

  16. LIGHT FRAME • Definition. • Structure. • Materials. • Advantages. http://www.Springdoo.com/M1FCAC7A2FFF862C74

  17. Platform Framing Balloon Framing

  18. STEEL FRAME • Definition. • Structure. • Materials. • Advantages. http://www.Springdoo.com/M1F8343ACFFF862C74

  19. Examples Los Angeles Skyscrapers House

  20. CONCLUSION In conclusion post and lintel are the simplest framed structures, in other words, they originated the framed structures we use nowadays. Also, the combination of posts and lintels of different materials, forms and sizes formed framed structures. At the present time, the use of framed structures by architects and engineers is very common, because of the advantages that they provide. For example, they are very resistant structures, easy to construct, stable and durable. In addition, we can see that these building techniques have been used since the first civilizations to create different kinds of structures, structures that still exist in our time. http://www.Springdoo.com/M1F97C0C6BFF862C74

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