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CENTER OF EXCELLENCE – RESEARCH AND DEVELOPMENT OF GREEN BUILDING MATERIALS (RDGBM)

 

Why green building materials?

 

The demand for building materials is rising continuously due to the increasing need of buildings in rural and urban area. The overall consumption of raw materials for building and construction activities is three million tons (Roodman and Lenssen, 1995) every year. To reduce the environmental impact of building and construction activities, best method is to use green building products that promotes conservation of dwindling non renewable resources. In addition, integrating green building materials into building projects can help to reduce the environmental impacts associated with the extraction, transport, processing, fabrication, installation, reuse, recycling, and disposal of these building industry source materials. The main aim of RDGM is to develop eco- friendly green materials using locally available materials for the construction of low cost houses. The data given in table below is based on the study conducted by auroville earth institute India.

 

CE- Green Building

 

Materials

Carbon footprint (tonnes/m3)

Concrete

1.86

Steel

1.90

Timber

1.53

Fired bricks

0.441

Compressed earth block

0.1

 

Green materials


  • Rapidly renewable resources
  • Recycled contents- post industrial and post consumer
  • Low emitting materials
  • Materials from local source

 

 

 

Importance of becoming green


“We do not inherit the earth from our ancestors; we borrow it from our children.”  ~Native American Proverb.


The most important reason of preserving world’s natural resources is the responsibility of every individual both at work and at home.

 

Additional reasons to be green (based on study conducted by International Energy Agency)

  • Ninety percentage of our time is spent indoors
  • Worldwide buildings consume nearly 40% of  the world’s energy, 25% of its wood and 40% of its water
  • 40% of land fill debris is from building construction alone
  • Humans use 95tones of coal, 40,000 gallons of oil and three million cubic feet of natural gas every second of every day

 

What can green do for society? Becoming green can conserve resources and prevent virgin raw materials from entering the production chain. For example recycling keeps us from exploiting new resources and reduces our dependence on landfills. 

 

Green Benefits


  • Natural light reduces fatigue
  • Green building practices have been shown to pay for themselves by reducing future operation cost
  • Minimizing waste reduces construction costs
  • Many green products are more durable than conventional materials
  • Efficient mechanical system use less fuel and are more economical to operate

 

What is green building?

 

A building that reduces overall impact of the built environment on human health and the natural environment

Advantages

  • Efficiently using energy, water, and other resources
  • Protecting occupant’s health and improving employee productivity
  • Reducing waste, pollution and environmental degradation
  • Improve indoor air quality
  • Reduce construction material waste
  • Efficient use of land
  • Preservation of environment and its natural resource
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