Development of Lightweight Roadside Safety Barriers using Foaming Admixture: Phase I - Properties of Flue Gas Desulfurization (FGD) Cellular Concrete

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Title: Development of Lightweight Roadside Safety Barriers using Foaming Admixture: Phase I - Properties of Flue Gas Desulfurization (FGD) Cellular Concrete

Author(s): C.-S. Shon, D. Saylak, D.G. Zollinger, and A.K. Mukhopadhyay

Publication: Special Publication

Volume: 243

Issue:

Appears on pages(s): 1-18

Keywords: cellular concrete; flue gas desulfurization (FGD) material; foaming admixture

Date: 4/1/2007

Abstract:
The roadside safety barrier is a protective barrier that is erected around a racetrack or in the middle of a dual-lane highway in order to reduce the severity of accidents. Recently, interest in portable roadside safety barriers has heightened the interest in the development of a low-cost and high-performance alternative to the conventional safety barrier system. A study has been undertaken to characterize fresh and hardened properties of flue gas desulfurization (FGD) cellular concrete (CC) using foaming admixture towards the development of a lightweight roadside safety barrier. Test results indicate that FGD CC using a foaming admixture can be effectively used in manufacturing lightweight roadside safety barriers.