Environmental evaluation of green concretes versus conventional concrete by means of LCA

Turk, Janez; Cotič, Zvonko; Mladenovič, Ana; Šajna, Aljoša

doi:10.1016/j.wasman.2015.06.035

Cited by 219 publications

(122 citation statements)

References 31 publications

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“…Concrete is one of the common building materials used around the globe [14,15]. Meanwhile, it has its consequence on the sustainability issues of the society.…”

Section: Improving Sustainability Performance Of Products For Better mentioning

confidence: 99%

“…In order to decrease the impact on the environmental sustainability, various attempts had been made. One of such is the use of steel slag as an alternative binder to cement, which is one of the green concretes [15]. Our study expanded the scope of sustainability by investigating not just the environmental but also social hotspots and impacts of the steel slag mixed concrete (hereafter green concrete) which uses steel slag as a cement alternative.…”

Section: Improving Sustainability Performance Of Products For Better mentioning

confidence: 99%

“…In the database, the technical representation of the datasets was better compared to that of the PSILCA, which has better geographical representation. Since the majority of the environmental impact of a concrete is due to the use of cement [15], the investigation on the environmental hotspots was made through the different mixes between the cement and the steel slag. The investigated slag mixes were in the following three segments: 25-70%; 66-80%; and 70-100%.…”

Section: Life Cycle Assessmentmentioning

confidence: 99%

See 2 more Smart Citations

Trade-Off between the Social and Environmental Performance of Green Concrete: The Case of 6 Countries

2018

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Improving the sustainability performance of construction industry is driven by two forces: regulatory push (policy initiatives), and market pull where improving a corporate sustainability performance can be financially beneficial for enterprises. Through the investigation of the sustainability hotspots and impacts, concerning social and environmental, of the steel slag mixed concrete (green concrete) the study assessed the factors relevant for its performance and examined how to improve them. Hotspot analysis and impact assessments were conducted by social and environmental life cycle assessment (LCA). The assessed green concrete represented not just the variety of geographic representation but also the product designs (three different slag contents) and the potential difference occurring from the corporate efforts, where four classes were introduced. The investigation of the social and environmental hotspots of the green concrete revealed a difference in the relation between the sustainability performance and steel slags. While the increased slag content resulted in worse social performance, the increase improved the environmental performance in all six investigated case countries. This trade-off between the social and environmental performance implied the limits of the sustainable product design and suggested the effectiveness of the supply chain management for improving the two sustainability performances for the green concrete.

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“…Concrete is one of the common building materials used around the globe [14,15]. Meanwhile, it has its consequence on the sustainability issues of the society.…”

Section: Improving Sustainability Performance Of Products For Better mentioning

confidence: 99%

Section: Improving Sustainability Performance Of Products For Better mentioning

confidence: 99%

Section: Life Cycle Assessmentmentioning

confidence: 99%

See 1 more Smart Citation

Trade-Off between the Social and Environmental Performance of Green Concrete: The Case of 6 Countries

2018

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“…In fact, LCA allows us to balance the use of material and energy and quantify the overall environmental impacts [30,31]. Definitively, LCA is potentially a promising technique that can be useful in evaluating the environmental performance of construction materials [32][33][34][35][36][37][38].…”

Section: Introductionmentioning

confidence: 99%

Life Cycle Assessment (LCA) of Different Kinds of Concrete Containing Waste for Sustainable Construction

et al. 2018

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Concrete production causes significant environmental damage during its entire life cycle due to the large consumption of natural aggregate. The aim of this research was to use the Life Cycle Assessment (LCA) methodology to conduct a comparative analysis of four different concrete mixtures, i.e., construction and demolition waste (CDW), incinerator ashes, marble sludge, and blast furnace slag. The LCA study was implemented in the Campania Region of Italy. The main contribution of the study was that it proposed the use of "green" recycled aggregates in concrete production in order to assess the reduction of potential adverse impacts, from both environmental and energy perspectives. SimaPro © software was used to conduct the analysis. The main results of the research showed that the recycled aggregates that were analyzed were preferable to traditional concrete. In particular, the recycled aggregate that had the least adverse impact on the environment was blast furnace waste.

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“…In addition, they found that energy savings in recycling projects are only possible if recycling plants are located close to building sites. Others author such us Dong et al (2015) and Hossain et al (2016) in Hong Kong or Turk et al (2015) in Slovenia conducted LCA studies to evaluate the environmental consequences of NAC and RCA application. They also found that closeness of recycling plants to building sites is a key factor to ensure environmental benefits.…”

Section: Introductionmentioning

confidence: 99%

Multi-criteria decision analysis to assess the environmental and economic performance of using recycled gypsum cement and recycled aggregate to produce concrete: The case of Catalonia (Spain)

Silgado

Valdiviezo

Domingo

et al. 2018

Resources, Conservation and Recycling

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The production of virgin raw materials used in construction and the generation of construction and demolition waste (CDW) are key environmental issues in the construction industry. Portland cement and concrete are used extensively in the construction sector. Processing of CDW to produce recycled gypsum cement and recycled aggregates (RA) and their use in the production of structural and non-structural concrete are one way of slowing natural resource depletion and reducing the amount of CDW landfilled. This study proposes the application of multi-criteria decision analysis (MCDA) to compare the production of "green" concretes made from recycled gypsum cement (RGC) and RA with the production of conventional concrete made from natural aggregate and ordinary Portland cement. The VIKOR MCDA method was employed to determine the best or a set of good alternative(s) for concrete production, considering environmental and economic criteria. The life cycle assessment method was used to select the environmental evaluation criteria, and the reference cost of producing concrete alternatives in Spain was used to determine economic criteria. The results of this study, in which environmental and economic criteria were considered of equal weight, or one of the two criteria was given greater weight, showed that the best option for structural and non-structural concrete was the use of RGC and RA. In both cases, the worst alternative was conventional concrete. In conclusion, we found that the use of RGC and RA in concrete production is positive because it replaces the original raw material, reduces the environmental impact, and lowers the economic costs.

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Environmental evaluation of green concretes versus conventional concrete by means of LCA

Cited by 219 publications

References 31 publications

Trade-Off between the Social and Environmental Performance of Green Concrete: The Case of 6 Countries

Trade-Off between the Social and Environmental Performance of Green Concrete: The Case of 6 Countries

Life Cycle Assessment (LCA) of Different Kinds of Concrete Containing Waste for Sustainable Construction

Multi-criteria decision analysis to assess the environmental and economic performance of using recycled gypsum cement and recycled aggregate to produce concrete: The case of Catalonia (Spain)

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