Service life and life cycle assessment of reinforced concrete systems with limestone calcined clay cement (LC3)

By R. Pillai, R. Gettu, M. Santhanam, S. Rengaraju, Yuvaraj Dhandapani, S. Rathnarajan, Anusha S. Basavaraj. Cement and Concrete Research, 2019

290 citations recorded by the source corpus.

Abstract This paper presents data on the chloride diffusion coefficient (Dcl), ageing coefficient (m) and chloride threshold (Clth) related to seven concrete mixes (four M35 and three M50) with OPC, OPC + PFA (pulverised fuel ash) and limestone-calcined clay cement (LC3). Using these, the service lives of a typical bridge pier and girder with the PFA and LC3 concrete were found to be much higher than those with OPC concrete of similar strength. From life-cycle assessment, the CO2 footprint of PFA and LC3 concrete were found to be significantly lower than those of OPC concrete of similar strength. Further, the CO2 emissions per unit of concrete per year of estimated service life, as a combined indicator of service life and carbon footprint, are similar for concrete with PFA and LC3, which are much lower than that with OPC.

Subfields: Building and Construction, Civil and Structural Engineering

View Paper: https://www.semanticscholar.org/paper/d80b7d32aaa131583fc73a7657466e07bc3f6e19

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