The concept of using milled waste glass as partial replacement for cement in cement paste and mortar was investigated to reduce the adverse environmental and energy impacts of cement and cement-based products. Based on the experimental investigations it was found that waste glass, when milled to micro-scale particle size, undergoes pozzolanic reaction with cement hydrates. These reactions bring about favourable changes in the structure, including pore system characteristics of the hydrated cement paste and mortar. Use of milled waste glass, as partial replacement of cement, produced significant gains in the resistance to moisture sorption, chemical stability and improvement in microstructure of the cementitious materials. Milled waste glass was also found to suppress alkali–silica reactions. Unlike normal pozzolanic reactions, those involving glass do not reduce the alkalinity of cement paste; this is favourable to the chemical stability of cement-based materials and the protection of reinforcing steel against corrosion in concrete.alues derived using available design codes.
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July 2012
Research Article|
July 01 2012
Green and durable mortar produced with milled waste glass
Roz-Ud-Din Nassar;
Roz-Ud-Din Nassar
Research Associate, Civil and Environmental Engineering Department, Michigan State University, USA
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Parviz Soroushian
Parviz Soroushian
Professor, Civil and Environmental Engineering at Michigan State University, USA
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Publisher: Emerald Publishing
Revision Received:
May 11 2011
Revision Requested:
October 23 2011
Accepted:
November 25 2011
Online ISSN: 1751-763X
Print ISSN: 0024-9831
ICE Publishing: All rights reserved
2012
Magazine of Concrete Research (2012) 64 (7): 605–615.
Article history
Revision Received:
May 11 2011
Revision Requested:
October 23 2011
Accepted:
November 25 2011
Citation
Nassar R, Soroushian P (2012), "Green and durable mortar produced with milled waste glass". Magazine of Concrete Research, Vol. 64 No. 7 pp. 605–615, doi: https://doi.org/10.1680/macr.11.00082
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