A comparative life cycle analysis of glass windows : Assiut University Hospital Clinic as a case study

Document Type : Original Article


Associate Professor at Architectural Engineering Department, Faculty of Engineering, Assiut University, Assiut, Egypt NAQAAE Executive Coordinator at Interior Architecture Department, Faculty of Engineering, Assiut University, Assiut, Egypt


This study aims to analyze the environmental impact of different glass
types of a clinic in Assiut University Hospital. The life cycle assessment
(LCA) approach evaluates energy usage and its related environmental
effects. This study will assess the environmental impacts of four types
of window glass manufacturing, which are (1) flat glass, (2) fiber glass,
(3) solar glass, and (4) waste glass. The Building Information Modeling
(BIM) approach has been used to collect the building construction
quantities, facilitating this task. The LCA has been used to calculate
energy consumption and environmental emissions. As the main finding
of this study, the fiber glass has the worst-case scenario with (1.02 Pt),
in contrast with the waste glass (recycled glass) with (0.58 Pt), by the
mid-point method result. Also, the global warming potential and nonrenewable
energy impacts have recorded the highest impact values
for the fiber glass with 2939.49 KgCO2 eq.and 46914.97 MJprimary,
respectively. Finally, the human health (end-point) method has the most
significant share of the adverse environmental impacts for the four glass
types studied. The study has proposed that the life cycle cost and the
durability and endurance tests must be examined to ensure that waste
glass (recycled) is the best option from all points of view


Main Subjects