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vilas nikam - concrete technilogy A power point presentation on rmc
1. A
POWER POINT PRESENTATION ON
“READY MIX CONCRETE”
BY
Mr. NIKAM V.N.
(Lecturer)
Email- vilas5151@gmail.com
Civil Engineering Dept.
Sandip Institute of Polytechnic, Nashik
2. Contents
• Introduction to RMC.
• Components/Machinary required for RMC.
• Processes in R.M.C.
• Application of R.M.C.
• Troubleshoots in RMC.
• Advantages & Disadvantages.
• Precautions to be taken for RMC.
3. Introduction to RMC.
• Limitations of Conventional methods of preparation of
concrete.
i) Space Requirement.
ii) Extra Money Investment.
iii) Wrong mix design.
iv) Handling and transportation of concrete.
v) Wastage.
vi) Inventory problem.
vii) Labour Problem for mixing of concrete.
viii) Improper control on mixing of ingredients.
4. What is RMC???
• READY MIX CONCRETE.
• Providing readily mixed concrete from
centralized plant as per customer requirement
in required duration.
5. Components/Machinary required for
RMC.
• Cement silo- to store cement.
• Aggregate batchers- to measure the aggregate.
• Water tank- to store water.
• Admixture tank.
• Crushing plant-to prepare aggregate for RMC.
• Belt conveyor- to transport material into mixer.
• Control room.
• Automatic generator system.
• Transit mixer.
• Weighing balance.
• Testing laboratory.
• Labour accommodation facility.
6. Processes in R.M.C.
• To prepare mix design of concrete.
• Order to RMC.
• Order to computer.
• Mixing of all ingredients of concrete for required
number of revolution.
• Transportation by Transit mixer.
• Testing of concrete at RMC.
• Unloading at site.
• Providing test report to costumer.
7. Application of R.M.C.
• In congested area where storage is problem.
• Pumping of concrete....
• Underwater concreting.
• Concrete roads.
• Canal lining.
• Repair and maintenance of highway.
• High-rise structure, multistory building.
• Geopolymer concrete.
8. Troubleshoots in RMC.
• Problem in computer system.
• Traffic problem at road.
• Mechanical Problem to Transit mixer.
• Settling of tyres of Transit mixer during
transportation.
9. Advantages of RMC.
• It speed up the work.
• Concrete is prepared as per mix design.
• Useful in congested area.
• Contractor need not to invest extra money.
• Problem of bleeding segregation can be
avoided.
• Need not establish testing laboratory at site.
• Less number of labour are required.
11. Precautions to be taken in RMC.
• Concrete should be transported within 30 km
radius from RMC plant or within 90 min.
• Admixture tank and water tank should be
provided with Transit mixer.
• Rotation of Transit mixer should not be
stopped under any circumstances.