Title:
A Framework for Self-Sufficient Reactive Transport Modeling of Concrete with Low-Carbon Foot-Print
Author(s):
Burkan Isgor
Publication:
Web Session
Volume:
ws_F23_BurkanIsgor.pdf
Issue:
Appears on pages(s):
Keywords:
DOI:
Date:
10/29/2023
Abstract:
Sustainable concrete mixtures with low-carbon footprint can be achieved through several approaches to reduce cement and clinker content through using typical and unconventional supplementary cementitious materials, powder extenders like limestone, and/or alternative cementing technologies. Recent developments in performance-based mixture proportioning approaches have opened the door for the utilization locally available, unconventional, underutilized, and even, off-spec cementitious materials in concrete. While this presents significant opportunities for producing low-carbon footprint concrete, it also brings a number of challenges associated with service life modeling of structures produced with these concrete materials. In particular, reactive-transport modeling of concrete proportioned and produced with these materials is a major challenge. Two of these main challenges are (1) determination of transport properties, and (2) development of empirical models to simulate reactive processes in concrete, for instance, as external aggressive species penetrate through the cover. In this presentation, we will demonstrate a coupled experimental and modeling framework that allows the quantification of key parameters for transport and reactive processes.