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Cost effective construction materials

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Cost effective construction materials

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Cost effective construction materials

  1. 1. Cost effective construction materials K.Ramsiddarthan, II B.Tech Civil Engg.(HD), The Gandhigram Rural Institute (Deemed University).
  2. 2. INTRODUCTION Shelter is one of the basic needs for human development and it is an important quality measure of living standards. Nowadays development focuses on the cost effective construction through appropriate and alternative building materials and technologies.
  3. 3. COST EFFECTIVE MATERIALS The cost effective materials and technology which is utilized for housing are,  stabilized mud blocks,  funicular shell roofing,  ferro-cement ,  fly ash blocks,,  precast doors and window frames,  micro concrete tiles,  brick panel filler slab.
  4. 4. MUD BLOCK Mud block is prepared by pouring slightly moistened soil into a steel press and compressing manually or by mechanical means. Mud blocks are available in different shapes. Mud block can also be stabilized by mixture of suitable raw materials like cement or lime and then it is called stabilized compressed earth block.
  5. 5. MUD BLOCK PROPERTIES Dimension variation : +/- 2mm Wet compressive strength : 20-30 kg/cm2 Water absorption <18% by weight Textural characteristics : no pitting on the surface
  6. 6. MANUFACTURING OF MUD BLOCK- TARA BALRAM MACHINE Block – 230 X109 X76 mm Machine – 1500X600X1200 mm Weight – 180 kg No. of blocks – 2/cycle Man power required – 5 to 8 Operation – manual Compressive strength – 20 to 30 kg/cm2
  7. 7. MUD BLOCK ADVANTAGES  Easily available  Saves time and money  Non hazardous material  Renewable resources  Easy to manufacture  Cost efficiency
  8. 8. FUNICULAR SHELL It can be prepared from moulds of standard size. They are used as roofs for simple primitive and non load barring structures. Funicular shell roofs are available from 1 m square
  9. 9. ADVANTAGES  Cost effective  Weightless and easy to manufacture  Strength is establishes
  10. 10. FUNICULAR SHELL  Dia of rod : 6mm  Concrete : m15  Ratio : 1:2:4  Aggregates : 6-12mm  Weight : 225kg  Cost : Rs.175/-
  11. 11. FUNICULAR SHELL
  12. 12. FERRO CEMENT PANELS It is prepared using mesh and cement mortar. This panels can be used for constructing walls, roofs, doors and in water storage structures.
  13. 13. SIGNIFICANCE  Low cost  Saves time  Less in weight  Temporary low structures can made easily  Not suitable for load bearing walls
  14. 14. CONCLUSION The increasing concern for the provision of shelters in both urban and rural areas is identified as one of the agenda in the millennium development goals. It can be better achieved by adopting cost effective construction materials and techniques.
  15. 15. THANK YOU

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