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Open AccessArticle

Environmental Assessment of Ultra-High-Performance Concrete Using Carbon, Material, and Water Footprint

1
Center for Environmental Systems Research (CESR), University of Kassel, 34117 Kassel, Germany
2
Faculty of Civil and Environmental Engineering, University of Kassel, 34125 Kassel, Germany
3
Institute of Structural Engineering (IKI), University of Kassel, 34125 Kassel, Germany
*
Author to whom correspondence should be addressed.
Materials 2019, 12(6), 851; https://doi.org/10.3390/ma12060851
Received: 18 February 2019 / Revised: 5 March 2019 / Accepted: 6 March 2019 / Published: 13 March 2019
(This article belongs to the Special Issue Sustainability in Construction and Building Materials)
There is a common understanding that the environmental impacts of construction materials should be significantly reduced. This article provides a comprehensive environmental assessment within Life Cycle Assessment (LCA) boundaries for Ultra-High-Performance Concrete (UHPC) in comparison with Conventional Concrete (CC), in terms of carbon, material, and water footprint. Environmental impacts are determined for the cradle-to-grave life cycle of the UHPC, considering precast and ready-mix concrete. The LCA shows that UHPC has higher environmental impacts per m3. When the functionality of UHPC is considered, at case study level, two design options of a bridge are tested, which use either totally CC (CC design) or CC enhanced with UHPC (UHPC design). The results show that the UHPC design could provide a reduction of 14%, 27%, and 43% of carbon, material, and water footprint, respectively. View Full-Text
Keywords: sustainable buildings; life cycle assessment; construction materials; concrete; durability sustainable buildings; life cycle assessment; construction materials; concrete; durability
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MDPI and ACS Style

Sameer, H.; Weber, V.; Mostert, C.; Bringezu, S.; Fehling, E.; Wetzel, A. Environmental Assessment of Ultra-High-Performance Concrete Using Carbon, Material, and Water Footprint. Materials 2019, 12, 851.

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