Numerical simulation of RC structures with textile reinforcement

Analysis of textile-reinforced concrete structures under consideration of non-traditional uncertainty models

“…The relevant nonlinearities of reinforced concrete such as crack formation, creep and shrinkage, delamination in the neighborhood of the interface between the concrete rubble and textile concrete as well as different bond phenomena must be taken into account in the structural analysis. These physically nonlinear effects may be suitably accounted for in an extended layered model, commonly referred to as a multi-reference-plane model (MRM) (see [8]). …”

“…The bonding state is assessed with the aid of the relative displacements ∆v 1 , ∆v 2 , ∆v 3 between the contact surfaces. The relative displacements permit postulations regarding delamination and shear failure (see [8,9]). The latter are fixed in a bonding matrix.…”

“…The different load-bearing characteristics of the boundary and core fibers are taken into account with the aid of a strain-dependent damage function (see e.g. [8,9]). …”

Numerical simulation of structures using generalized models for data uncertainty

“…For the numerical simulation the bunch parameter representation of a fuzzy function is applied.x (s, t) = {x t =x(s, t) ∀ t | t ∈ T} (6) For each crisp bunch parameter vector s ∈s with the assigned membership value (s) a crisp function x(t) = x(s, t) ∈x(t) with (x(t)) = (s) is obtained. The fuzzy functionx(t) may thus be represented by the fuzzy set of all real valued functions x(t) ∈x(t) with (x(t)) = (x(s, t)) = (s)…”

“…RC structures with textile strengthening are described appropriately with the multi-referenceplane model (MRM). The MRM is utilized to describe multi-layered composite materials with a discontinuous multi-Bernoulli-kinematics [6]. A MRM element comprises k+1 layered sub-elements and k interfaces.…”