Numerical modeling on the short-term response of fiber-reinforced concrete round panels

Poudel, Sushant (2023) Numerical modeling on the short-term response of fiber-reinforced concrete round panels. [Laurea magistrale], Università di Bologna, Corso di Studio in Civil engineering [LM-DM270], Documento full-text non disponibile
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Abstract

Fiber-reinforced concrete is a composite material consisting of discrete, discontinuous, and uniformly distributed fibers in plain concrete primarily used to enhance the tensile properties of the concrete. FRC performance depends upon the fiber, interface, and matrix properties. The use of fiber-reinforced concrete has been increasing substantially in the past few years in different fields of the construction industry such as ground-level application in sidewalks and building floors, tunnel lining, aircraft parking, runways, slope stabilization, etc. Many experiments have been performed to observe the short-term and long-term mechanical behavior of fiber-reinforced concrete in the last decade and numerous numerical models have been formulated to accurately capture the response of fiber-reinforced concrete. The main purpose of this dissertation is to numerically calibrate the short-term response of the concrete and fiber parameters in mesoscale for the three-point bending test and cube compression test in the MARS framework which is based on the lattice discrete particle model (LDPM) and later validate the same parameters for the round panels. LDPM is the most validated theory in mesoscale theories for concrete. Different seeds representing the different orientations of concrete and fiber particles are simulated to produce the mean numerical response. The result of numerical simulation shows that the lattice discrete particle model for fiber-reinforced concrete can capture results of experimental tests on the behavior of fiber-reinforced concrete to a great extent.

Abstract
Tipologia del documento
Tesi di laurea (Laurea magistrale)
Autore della tesi
Poudel, Sushant
Relatore della tesi
Correlatore della tesi
Scuola
Corso di studio
Indirizzo
Structural Engineering
Ordinamento Cds
DM270
Parole chiave
Fiber reinforced concrete,FRC,lattice discrete particle model,LDPM,MARS,3PBT,Energy absorption test,fiber reinforced round panels,calibration,validation
Data di discussione della Tesi
2 Febbraio 2023
URI

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