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Revolution in Concrete Industry- GREEN CONCRETE


Green concrete is a concrete which requires less energy in production and produces less CO₂ .

How Green Concrete is Produced ?

  • The main ingredient in concrete is cement and it consists of Limestone (Calcium Carbonate CaCO3).

  • During manufacture of cement, its ingredients are heated to about 800 - 10000C.

  • During this process the Carbon Dioxide is driven off.

  • Approximately 1 kg of cement releases about 900 gms of Carbon Dioxide into the atmosphere.

  • Therefore, green concrete came into existence to reduce the emission of carbon dioxide.

SUITABILITY OF GREEN CONCRETE IN STRUCTURES

  • Reduce the dead load of the structure and reduce the crane age load; allow handling, lifting flexibility with lighter weight.

  • Reduction of emission of CO₂ by 30%.

  • Increased concrete industries use of waste products by 20%.

  • Good thermal and fire resistance, sound insulation than the traditional concrete.

  • Improve damping resistance of the building.

  • No environmental pollution and sustainable development.

  • It requires less maintenance and repairs.

  • Compressive strength behaviour of the concrete with water cement ratio is more than that of conventional concrete.

  • Flexural strength of the green concrete is almost same as conventional concrete.

LIMITATIONS OF GREEN CONCRETE

  • By using stainless steel, cost of reinforcement increases.

  • Structures constructed with green concrete have comparatively less life than structures with conventional concrete.

  • Split tension of green concrete is less than that of conventional concrete

​GREEN CONCRETE APPLICATION

Source: Quora

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