Properties of Environmental Friendly Concrete Containing Recycled Coarse Aggregate and Fly Ash

Xiaoshuang Shi; Qingyuan Wang; Lang Li; Tao Long

doi:10.4028/www.scientific.net/AMM.368-370.957

Paper Titles

Influence of Aggregates on Cracking Sensitivity of Concrete
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Average Daily Shading Factor Variations with Aspect Ratios for Different Flat-Plate Collector Arrays
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Nonlinear Finite Element Analysis for the Flexural Behavior of Concrete Beams Reinforced with CFRP-PCPs Composite Rebars
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Properties of Environmental Friendly Concrete Containing Recycled Coarse Aggregate and Fly Ash
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Shear Strength of Concrete and Gypsum Composite Walls
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Study on Characteristics and Usage of Japanese Landscape Paving Materials
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 368-370Properties of Environmental Friendly Concrete...

Properties of Environmental Friendly Concrete Containing Recycled Coarse Aggregate and Fly Ash

Abstract:

Six mixtures with different ratios (0%, 50% and 100%) were designed to investigate the compressive strength, elastic modulus and Poissons ratio of geopolymeric recycled concrete (GRC). The mechanical properties and failure mechanism of recycled concrete (RAC) and GRC were tested and discussed by scanning electron microscopy (SEM) coupled with energy dispersive X-ray spectroscopy (EDX). The results show that, GRC concretes are stronger than RAC concretes due to different reaction products and better microstructure in interfacial transition zones (ITZs). The EDX results show that the higher compressive strength with higher Si/Al ratio.

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Periodical:

Applied Mechanics and Materials (Volumes 368-370)

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957-962

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.368-370.957

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Online since:

August 2013

Authors:

Xiaoshuang Shi, Qingyuan Wang, Lang Li, Tao Long

Keywords:

EDX, Fly Ash (FA), Geopolymer, Recycled Aggregate (RA), SEM, Si/Al Ratio

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