Microplane constitutive model M4L for concrete. I: Theory

Tue, Nguyen Viet; Li, Jiabin; Caner, Ferhun C.

doi:10.1016/j.compstruc.2013.06.008

Cited by 7 publications

(3 citation statements)

References 39 publications

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“…The thermal expansion tensor is similarly defined. These models make it possible to accurately predict the onset of pathologies linked to dimensional variations [38]. Gonzalez proposed a more simplistic approach [39]: the stress exerted by water on the solid matrix for the various wetting and drying cycles is determined by Equation (2).…”

Section: Numerical Model 221 State-of-the-artmentioning

confidence: 99%

Simulation of the Hygro-Thermo-Mechanical Behavior of Earth Brick Walls in Their Environment

Laou,

Ulmet,

Yotte

et al. 2023

Buildings

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Earth constitutes an attractive building material, not only for its eco-friendly characteristics but also for its hygroscopic qualities. In order to understand the influence of this quality on an earth brick interior wall, a comparison was drawn between earth and plaster interior walls. For this purpose, a numerical model was developed to evaluate the coupled hygro-thermo-mechanical behavior of the earth brick material. A scenario simulating a one-year T4-type house occupation in terms of indoor and outdoor temperature as well as moisture was studied. This house has four rooms: a living room and three bedrooms, plus a kitchen, bathroom, and toilet. The thermal, hygroscopic, and mechanical characteristics of the material were experimentally assessed to provide input into the numerical model. The one-year numerical simulation shows that the earth brick partition walls play a significant role in the hygrometric comfort in comparison with the plaster partition walls. In addition, it was observed that dynamic changes between the wall and the external environment generate more intense water transfer mechanisms in the first layer of the wall, which exposes it to critical situations that exceed the failure criterion.

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Section: Numerical Model 221 State-of-the-artmentioning

confidence: 99%

Simulation of the Hygro-Thermo-Mechanical Behavior of Earth Brick Walls in Their Environment

Laou,

Ulmet,

Yotte

et al. 2023

Buildings

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“…Unter ULS‐Last ist das Trag‐ und Verformungsverhalten stark von den Nichtlinearitäten der Materialien abhängig. Das Schleuderbetonsegment wird hierzu mit Volumenelementen mit dem Microplane Constitutive Model M4L [6, 7] abgebildet. Die Zugfestigkeit wurde mit f ctm = 7,7 MPa und der E‐Modul mit E cm = 58,5 GPa festgelegt.…”

Section: Numerische Untersuchungunclassified

Analyse von Beton‐Stahlrohrsteckverbindungen für Maste

Oppeneder

Dittmar

Tue

2020

Beton und Stahlbetonbau

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Die Beton‐Stahlrohrsteckverbindung wird in dieser Arbeit für die Anwendung bei hybriden Mastkonstruktionen aus der Stahlrohrsteckverbindung weiterentwickelt. Die maßgebende Biegebeanspruchung der Maste wird dabei vom Stahlrohr mit Schubrippen über die Mörtelfuge in das darunterliegende Schleuderbetonrohr eingeleitet. Der Kraftfluss in der Verbindung ändert sich fortlaufend mit der Lastzunahme und wird entscheidend vom Verformungsverhalten der Rohre beeinflusst. Das Trag‐ und Verformungsverhalten der neuen Verbindung wird in diesem Beitrag anhand zweier durchgeführter Großversuche und begleitender FEM‐Simulationen untersucht. Des Weiteren wird anhand zweier variierter Parameter, der Position der Schubrippen sowie einer Steckverbindung ohne Schubrippen der Einfluss auf das Trag‐ und Verformungsverhalten ermittelt und diskutiert.

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“…Several constitutive models for concrete, namely M1 to M6, have been developed based on microplane theory (Bazˇant et al, 2000;Caner and Bazˇant, 2000). Based on the M4 microplane model, Li et al (2013) and Tue et al (2013) developed a microplane constitutive model for concrete which includes a concept of confinement-adjusted effective microplane tangential moduli and some microplane stress-strain boundaries based on the experimental observations. A rate sensitive microplane model was developed by Ozˇbolt et al (2013Ozˇbolt et al ( , 2011 and Ozˇbolt and Sharma (2012) as a constitutive law for concrete.…”

Section: Introductionmentioning

confidence: 99%

An anisotropic gradient damage model based on microplane theory

Badnava

Mashayekhi

Kadkhodaei

2015

International Journal of Damage Mechanics

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In this paper, a thermodynamically consistent formulation and numerical implementation of a gradientenhanced anisotropic microplane damage model are proposed. The microplane model is derived based on the volumetric-deviatoric split and the kinematic constraint assumption. The mixed finite element formulation of displacement and nonlocal strains field is developed to simulate anisotropic quasi-brittle fracture. The proposed model is used to describe the mechanical behavior of anisotropic quasi-brittle materials by numerical simulations of uniaxial tension, simple shear, tension of a bar with localized deformation, and a rectangular specimen with a material imperfection. The results show the ability of the proposed approach to predict mesh-independent results for quasi-brittle damage behavior accompanied by the localization of deformation. Comparison between numerical and experimental results shows that the relatively simple model based on microplane theory together with the standard finite elements implementation is capable to realistically simulate complex behaviors related to fracture of quasi-brittle material such as concrete.

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Microplane constitutive model M4L for concrete. I: Theory

Cited by 7 publications

References 39 publications

Simulation of the Hygro-Thermo-Mechanical Behavior of Earth Brick Walls in Their Environment

Simulation of the Hygro-Thermo-Mechanical Behavior of Earth Brick Walls in Their Environment

Analyse von Beton‐Stahlrohrsteckverbindungen für Maste

An anisotropic gradient damage model based on microplane theory

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