Location

London

Event Website

http://www.csce2016.ca/

Description

High-performance concrete typically has a low water to cementing materials ratio (w/cm), high binder content and may contain high levels of supplementary cementitious materials. The effects of ground granulated blast furnace slag (GGBFS) and silica fume (SF) on the durability of HPC were investigated. In this study, HPC mixtures at 0.33 w/cm were made with two sources of blended cements containing 8% SF mixed with 25 and 50% GGBFS replacements by mass of cement. The compressive strength, drying shrinkage, thermal deformation and transport properties were tested. The preliminary test results have shown that increased fineness of the blended cement enhances the transport and mechanical properties), but results in increased early age thermal deformation, drying shrinkage, leading to increased cracking potential.


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Jun 1st, 12:00 AM Jun 4th, 12:00 AM

MAT-745: THE EFFECT OF GROUND GRANULATED BLAST FURNACE SLAG AND SILICA FUME ON THE DURABILITY OF HIGH PERFORMANCE CONCRETE IN BRIDGE DECKS

London

High-performance concrete typically has a low water to cementing materials ratio (w/cm), high binder content and may contain high levels of supplementary cementitious materials. The effects of ground granulated blast furnace slag (GGBFS) and silica fume (SF) on the durability of HPC were investigated. In this study, HPC mixtures at 0.33 w/cm were made with two sources of blended cements containing 8% SF mixed with 25 and 50% GGBFS replacements by mass of cement. The compressive strength, drying shrinkage, thermal deformation and transport properties were tested. The preliminary test results have shown that increased fineness of the blended cement enhances the transport and mechanical properties), but results in increased early age thermal deformation, drying shrinkage, leading to increased cracking potential.

http://ir.lib.uwo.ca/csce2016/London/Materials/32