Embodied energy of building materials A comparative analysis of terraced houses in Malaysia

  • YEAR
    2007
  • AUTHORS
    Mari, Tamil Salvi
  • CATEGORIES
    2007 Conference Papers
    Construction and materials

Extract

Abstract: Built Environment is accountable for the increase in degradation of environmental quality in
recent times. A considerable amount of energy is consumed during its construction, operational and
post use phase. In acknowledging this, research into building energy efficiency is concentrated on
active energy use which overshadows the embodied energy required for its production. Embodied
energy content varies enormously between products and materials. Choices of materials and
construction methods can significantly change the amount of energy embodied in buildings. This
study is carried out to gauge the embodied energy efficiency of materials utilized in Malaysian double
storey terraced houses. This study prepares an estimation of embodied energy of major materials used
in five double storey terraced houses such as concrete, steel, glass, timber, plywood, ceramics,
aluminium, bricks and roof tiles. Through the tabulated data, a comparative analysis has been carried
out to gauge the total embodied energy locked up in these houses. The findings show that average
total embodied energy of major materials of these houses is 4.46GJ/m2. Materials such as aluminium,
bricks, concrete, plywood and steel are the main contributors to high embodied energy. The study also
highlights the significant reasons, which leads to energy efficient alternatives to reduce the
environmental impact.

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