Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Utilisation of CFBC Fly Ash in Hardening Slurries for Flood-Protecting Dikes
Abstract Strength and permeability properties along with microstructural evolution of hardened slurries composed of fly ash from fluidal bed combustion of brown coal and an addition of OPC/BFSC is assessed in this paper. An increase in the amount of fly ash in slurries influences the development of mechanical strength and a decrease of hydraulic conductivity. SEM, XRD, and porosity analyses confirmed formation of watertight microstructures. The structure of slurries is composed of ettringite, C-S-H phase, AFt, and AFm phases. Ettringite crystallises as relatively short needles forming compact clusters or intermixed with the C-S-H phase. The occurring C-S-H phases are mainly of type I - fibrous and type II - honeycomb.
Utilisation of CFBC Fly Ash in Hardening Slurries for Flood-Protecting Dikes
Abstract Strength and permeability properties along with microstructural evolution of hardened slurries composed of fly ash from fluidal bed combustion of brown coal and an addition of OPC/BFSC is assessed in this paper. An increase in the amount of fly ash in slurries influences the development of mechanical strength and a decrease of hydraulic conductivity. SEM, XRD, and porosity analyses confirmed formation of watertight microstructures. The structure of slurries is composed of ettringite, C-S-H phase, AFt, and AFm phases. Ettringite crystallises as relatively short needles forming compact clusters or intermixed with the C-S-H phase. The occurring C-S-H phases are mainly of type I - fibrous and type II - honeycomb.
Utilisation of CFBC Fly Ash in Hardening Slurries for Flood-Protecting Dikes
Kledyński, Z. (Autor:in) / Falaciński, P. (Autor:in) / Machowska, A. (Autor:in) / Dyczek, J. (Autor:in) / Kotwica, Ł. (Autor:in)
2016
Aufsatz (Zeitschrift)
Unbekannt
Utilisation of CFBC Fly Ash in Hardening Slurries for Flood-Protecting Dikes
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