Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Evaluating and Optimizing Recycled Concrete Fines in PCC Mixtures Containing Supplementary Cementitious Materials
Portland cement concrete (PCC) is used throughout transportation infrastructure, for roads as well as bridges and other structures. One of the most effective ways of making PCC more 'green' is to replace a portion of the portland cement (the portion of a PCC mixture with the greatest carbon footprint) with a supplementary cementitious material such as flash or ground granulated blast furnace slag (GGBFS). Since these supplementary cementitious are waste byproducts, they can significantly reduce the carbon footprint of PCC. A consequence of using these materials, however, is that they can reduce the rate of early PCC strength gain. This reduced rate of strength gain can cause problems, especially in urban areas where user costs from delayed construction must be considered when evaluating a project's overall cost.
Evaluating and Optimizing Recycled Concrete Fines in PCC Mixtures Containing Supplementary Cementitious Materials
Portland cement concrete (PCC) is used throughout transportation infrastructure, for roads as well as bridges and other structures. One of the most effective ways of making PCC more 'green' is to replace a portion of the portland cement (the portion of a PCC mixture with the greatest carbon footprint) with a supplementary cementitious material such as flash or ground granulated blast furnace slag (GGBFS). Since these supplementary cementitious are waste byproducts, they can significantly reduce the carbon footprint of PCC. A consequence of using these materials, however, is that they can reduce the rate of early PCC strength gain. This reduced rate of strength gain can cause problems, especially in urban areas where user costs from delayed construction must be considered when evaluating a project's overall cost.
Evaluating and Optimizing Recycled Concrete Fines in PCC Mixtures Containing Supplementary Cementitious Materials
E. M. Hanson (Autor:in) / N. J. Connolly (Autor:in) / D. J. Janssen (Autor:in)
2010
66 pages
Report
Keine Angabe
Englisch
Construction Equipment, Materials, & Supplies , Highway Engineering , Concrete , Analysis methods , Regression analysis , Recommendations , Graphs (Charts) , Figures , Tables (Data) , Construction materials , Supplementary cementitious materials , Portland cement concrete (PCC) , Recycled concrete fines
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