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RMC

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RMC

  1. 1. Ready Mix Concrete MADE BY-RUSHABH . H . SHAHSTUDENT ATCIVIL ENGINEERING DEPT .VARTAK POLYTECHNIC.
  2. 2. READY MIX CONCRETE PLANT
  3. 3. Ready Mix Concrete - Definition“Ready mix concrete is concrete whosecomponents are proportioned away from theconstruction site for delivery to the constructionsite by the truck in a ready-to-use-condition.”
  4. 4. History In 1909, the residents ofSneridan, Wyoming couldhave witnessed the birthof Ready Mix concreteindustry. Prior to World War I,concrete was produced instationery plant mixerhauled to constructionsites in dumps trucks.Transit Mixer in late 1950’s
  5. 5. Need for Ready Mix concrete Requirement for higher grades of concrete Correct accountability ingredients Rapid development of infrastructure industry Increased demand of concrete Possibility of manufacture of desired grades Mega project demands higher output Timely supply of reliable concrete
  6. 6. Progressive growth of Ready mix concretein IndiaPHASE TIME PERIODIN YEARSCEMENTCONSUMPTIONIN %VOLUME OFR.M.C PERYEARPHASE I 1992-2010 5-10% of cementconsumption20 million cubicmeter/RMC/yearPHASE II 2020-2050 20-25% of cementconsumption70 million cubicmeter/RMC/yearPHASE III 2050 Onwards 25-40% of cementconsumption100 - 150 millioncubicmeter/RMC/year
  7. 7. Advantages Of Ready Mix Concrete Quality assurance Elimination of manual errors Mass production of concrete possible Water cement ratio maintained Reduced material wastage Labour cost saved Design mix as per IS standards resulting in standarddeviation and improved characteristics.
  8. 8. Disadvantages Of Ready Mix Concrete The materials are batched at a central plant, andthe mixing begins at that plant Generation of additional road traffic; furthermore,access roads, and site access have to be able tocarry the weight of the truck and load. Concretes limited time span between mixing andgoing-off

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