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    Nondestructive Test in Geopolymer Concrete with Aid of Ultrasonic Waves

    , M.Sc. Thesis Sharif University of Technology Nouri, Ali (Author) ; Toufigh, Vahab (Supervisor)
    Abstract
    In recent decades, particle composite materials have a wide range of applications in engineering. Particle composites are a group of heterogeneous materials with different length scales and are characterized by particles that are randomly distributed in a matrix phase. Geopolymer concrete is a special type of concrete that its binder is made by reacting alumina and silicate carriers with an activating agent and in recent years with the expansion of its use has reduced the amount of cement consumption. In addition to the many advantages of geopolymer concrete, it has disadvantages in terms of setting time. That is why the use of cement has been proposed as a solution to the problem. This...