About the Sustainability of Buildings

 

Opinion

According to WCEC – Brudtland Report 1987 “Sustainable development is a development that meets the needs of the present without compromising of the ability of the future generations to meet their own needs.” Sustainability is at the confluence of the three dimensions (Figure 1).

Buildings are very important industrial sector of sustainable development. The building industry represent approximately 40% of the total energy consumed. The energy used for heating and/or cooling, during the service life of a building is approximately 80% of the total energy consumed through building life cycle; 7% energy is used with row materials and contribution to energy due to demolition is 3%. According to some studies and to the paper of Y.J.GE and H.F. Xiang (IABSE Symposium Bangkok 2009) the Pyramid of Building Sustainability is presented in the Figure 2 (Figure 2).


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