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Published in:
2020 | OriginalPaper | Chapter
Limestone Calcined Clay Cement: Opportunities and Challenges
Authors : Shashank Bishnoi, Soumen Maity
Published in: Calcined Clays for Sustainable Concrete
Publisher: Springer Singapore
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Abstract
Limestone calcined clay cement (LC3) is being developed as a low-carbon alternative to conventional cements. The cement has the potential to reduce CO2 emissions by up to 30%, at the same time, demonstrating a higher performance in many types of exposure conditions. Being a conservative industry, the introduction of a new cement is a challenging process with many technical, commercial, psychological and political hurdles. Additionally, it is understood that the solutions for the reduction of CO2 emissions will be varied and will depend on various factors such as the availability of raw materials, the environmental conditions and the construction practices. It is, therefore, important to ensure that the engineering properties of concretes produced using any cement are well understood and that right type of cement is used for the right application. This article discusses the challenges that need to be overcome for the introduction of LC3 and the applications where the cement is especially at an advantage or disadvantage.