Comparison of conventional and nonconventional construction

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Comparison of conventional and nonconventional construction

  1. 1. GUIDED BY; DR. SURENDRAN A., HOD & PROF OF CE DEPT.
  2. 2. BINI A.V. CHANDNI P.K. DHANYA U. SRUTHY P. SUSAN SUNNY KOCHERIL
  3. 3.  Ar. Laurie Baker is one who worked on cost effective construction technique as its best.  Baker showed, in fact , that sustainable technologies when adopted with care and creativity, could lead to a unique architectural expression.
  4. 4.  Building Material Cost : 65 to 70 %  Labour Cost : 65 to 70 % ( As per Central Building Research Institute (CBRI))
  5. 5.  The basic aspect in the choice of a material “EMBEDDED ENERGY”
  6. 6. Stabilized Compressed Earth Blocks :Are made of mud with suitable percentage of cement and compacted in block making machine with no burning. Economical, stronger, low embedded energy and simple to manufacture
  7. 7. Reconstituted stone blocks / Stone filler blocks  If small pieces of stone only are available, „reconstituted stone blocks‟ provides the best alternative masonry block.  Can be used for foundations and walls.
  8. 8. Waste material content 30-40% by volume of block. Validated by BMTPC, IS 12440-1985  Better facing
  9. 9. Foundation in comparatively hard soil Conventional method Better option
  10. 10.  Random Rubble masonry with mud mortar  Foundation (approx) cost : 10 to 15% of total building
  11. 11.  Arch foundation
  12. 12.  Under ream pile foundation
  13. 13. Bamboo reinforced surface beams in lime concrete
  14. 14. Under reamed piles Most economical pile
  15. 15.  Uses 425 bricks per cubic meters instead 500 bricks.  Saves mortar.  Thermal comfort.  Can be left exposed, saves external plaster.  Tested and validated by Anna University.
  16. 16.  Bamboo roof slab  RCC Filler slab
  17. 17.  Ferro cement channels Rural house
  18. 18. Funicular shell  Bricks/ waste stone laid in a doubly curved profile with a shallow rise at the centre.  Utilizes waste material  Reduction of cement and steel
  19. 19.  Paint is an important material used in construction, which is “Non recyclable”
  20. 20. • • • • • • • Exposed masonry with pointed finish Non erodible mud plaster Lime plaster Lime-cement combination plaster Natural extracts as paint (cashew oil, bee‟s wax, linseed oil) Clay with adhesives as paint Lime wash
  21. 21. Exposed brick masonry with flush pointed finish.
  22. 22.  Works have done: 1. Preliminary Study on conventional materials 2. Data collection of various non conventional materials 3. Study of practical applications of nonconventional technique
  23. 23. 4. Planning and specification for a building in both conventional and nonconventional system 5. Training programs and discussions regarding relevance in COSTFORD and Kerala State Nirmiti Kendra.
  24. 24.  Works to be done : 1. Quantity survey of the conventional and nonconventional residential building 2. Stabilized mud block manufacturing and testing
  25. 25. 3. Reconstructed laterite stone blocks manufacturing and testing 4. Energy auditing 5. Filler slab design as per grid beam theory
  26. 26.  Relevance of the topic with respect to the present scenario.  What we young engineers could promise our society

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