Reinforcing Concrete with Carbon Nanotubes and Carbon Nanofibers: A Novel Method to Improve the Modulus of Elasticity

Abstract

Modulus of Elasticity (MOE) can be raised by optimizing the mix proportions, increasing the compressive strength and using stiffer aggregates. Unfortunately, such concrete is relatively brittle and has a high propensity of autogenous shrinkage cracking. This study proposes a novel way to improve the modulus of elasticity of concrete without increasing its compressive strength and brittleness, by using carbon nanotubes (CNTs) and carbon nanofibers (CNFs).