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This paper investigates the effect of graphene on the properties of slag and fly ash-based ambient cured geopolymer paste and mortar. Graphene was added with five percentage (0.0%, 0.1%, 0.5%, 1.0% and 1.5%) of aluminosilicate materials by weight. The initial and final setting times of geopolymer pastes were reduced. The workability of geopolymer paste and mortar was slightly decreased with graphene. The 7-day and 28-day compressive strength of geopolymer mortar with 1.0% addition of graphene increased by 25% and 10%, respectively. The addition of 1% graphene could be considered as optimum pro...

Abstract The use of seawater and sea-sand in producing concrete has attracted increasing research attention in recent years to address the shortage of river sand and in certain applications the shortage of freshwater. In particular, reinforced concrete structures made of seawater sea-sand concrete (SSC) and corrosion-resistant fiber-reinforced polymer (FRP) are particularly attractive for the development of coastal and marine infrastructure (e.g. on remote islands) as durable structures can be created using locally available materials. Existing studies on SSC or seawater concrete have been la...

LafargeHolcim, IIT Hyderabad collaborate for smart building solutions May 04, 2021 To explore smart sensing technology for on-site strength evaluation of a concrete structure LafargeHolcim has partnered up with the Indian Institute of Technology Hyderabad (IITH) to collaborate on development of innovative and smart building solutions. This new academic collaboration with one of the reputed institutes in India will be implemented through a research project funded by LafargeHolcim Innovation Centre (LHIC), focusing on ‘Standardisation of Smart sensing technology for Continuous Assessment of ...

May 29, 2021 “Smart construction practices is one of the key business pillars for the LafargeHolcim group. We consistently strive to expand our expertise in smart building solutions through extensive R&D. This transformation can be qualitatively accelerated by involving the ecosystem of talent around the world. Our academic collaboration with IIT Hyderabad brings us closer to our goal of creating a smarter and sustainable future, and we are enthused to synergise with some of the best minds in the country.” said Mr. Neeraj Akhoury, CEO LafargeHolcim India, and Managing Director & CEO, Ambu...

The following research projects will receive funding from the ACI Foundation: Standard Critical Chloride Threshold Test Variability due to Material Sources: principal investigator Ceki Halmen, University of Missouri - Kansas City. Endorsed by ACI Technical Committee: 222 Corrosion of Metals in Concrete.  The large variability of published CT data and lack of a standard CT test method creates significant difficulties for the concrete industry. Researchers cannot compare CT values obtained from their research to a standard value. Practitioners evaluating condition of reinforced concrete...