The effect of vertical ground movement on masonry walls simulated through an elastic–plastic interphase meso-model: a case study

Risultato della ricerca: Article

1 Citazione (Scopus)

Abstract

The present paper proposes an interphase model for the simulation of damage propagation in masonry walls in the framework of amesoscopic approach. The model is thermodynamically consistent, with constitutive relations derived from a Helmholtz free potential energy. With respect to classic interface elements, the internal stress contribute is added to the contact stresses. It is considered that damage, in the form of loss of adhesion or cohesion, can potentially take place at each of the two blocks–mortar physical interfaces. Flow rules are obtained in the framework of the Theory of Plasticity, considering bilinear domains of ‘Coulomb with tension cut-off’ type. The model aims to be a first research step to solve the inverse problem of damage propagation in masonry generated by vertical ground movements, in order to ex-post identify the cause of a visible damage. The constitutive model is written in a discrete form for its implementation in a research-oriented finite element program. The response at the quadrature point is analyzed first. Then, the model is validated through comparisons with experimental results and finally employed to simulate the failure occurred in a wall of an ancient masonry building, where an arched collapse took place due to a lowering of the ground level under part of its foundation.
Lingua originaleEnglish
pagine (da-a)1655-1676
Numero di pagine22
RivistaArchive of Applied Mechanics
Volume89
Stato di pubblicazionePublished - 2019

Fingerprint

Potential energy
Constitutive models
Inverse problems
Plasticity
Residual stresses
Adhesion

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

Cita questo

@article{fa7a93d3b7f3402186c3883a470db099,
title = "The effect of vertical ground movement on masonry walls simulated through an elastic–plastic interphase meso-model: a case study",
abstract = "The present paper proposes an interphase model for the simulation of damage propagation in masonry walls in the framework of amesoscopic approach. The model is thermodynamically consistent, with constitutive relations derived from a Helmholtz free potential energy. With respect to classic interface elements, the internal stress contribute is added to the contact stresses. It is considered that damage, in the form of loss of adhesion or cohesion, can potentially take place at each of the two blocks–mortar physical interfaces. Flow rules are obtained in the framework of the Theory of Plasticity, considering bilinear domains of ‘Coulomb with tension cut-off’ type. The model aims to be a first research step to solve the inverse problem of damage propagation in masonry generated by vertical ground movements, in order to ex-post identify the cause of a visible damage. The constitutive model is written in a discrete form for its implementation in a research-oriented finite element program. The response at the quadrature point is analyzed first. Then, the model is validated through comparisons with experimental results and finally employed to simulate the failure occurred in a wall of an ancient masonry building, where an arched collapse took place due to a lowering of the ground level under part of its foundation.",
author = "Antonino Spada",
year = "2019",
language = "English",
volume = "89",
pages = "1655--1676",
journal = "Archive of Applied Mechanics",
issn = "0939-1533",
publisher = "Springer Verlag",

}

TY - JOUR

T1 - The effect of vertical ground movement on masonry walls simulated through an elastic–plastic interphase meso-model: a case study

AU - Spada, Antonino

PY - 2019

Y1 - 2019

N2 - The present paper proposes an interphase model for the simulation of damage propagation in masonry walls in the framework of amesoscopic approach. The model is thermodynamically consistent, with constitutive relations derived from a Helmholtz free potential energy. With respect to classic interface elements, the internal stress contribute is added to the contact stresses. It is considered that damage, in the form of loss of adhesion or cohesion, can potentially take place at each of the two blocks–mortar physical interfaces. Flow rules are obtained in the framework of the Theory of Plasticity, considering bilinear domains of ‘Coulomb with tension cut-off’ type. The model aims to be a first research step to solve the inverse problem of damage propagation in masonry generated by vertical ground movements, in order to ex-post identify the cause of a visible damage. The constitutive model is written in a discrete form for its implementation in a research-oriented finite element program. The response at the quadrature point is analyzed first. Then, the model is validated through comparisons with experimental results and finally employed to simulate the failure occurred in a wall of an ancient masonry building, where an arched collapse took place due to a lowering of the ground level under part of its foundation.

AB - The present paper proposes an interphase model for the simulation of damage propagation in masonry walls in the framework of amesoscopic approach. The model is thermodynamically consistent, with constitutive relations derived from a Helmholtz free potential energy. With respect to classic interface elements, the internal stress contribute is added to the contact stresses. It is considered that damage, in the form of loss of adhesion or cohesion, can potentially take place at each of the two blocks–mortar physical interfaces. Flow rules are obtained in the framework of the Theory of Plasticity, considering bilinear domains of ‘Coulomb with tension cut-off’ type. The model aims to be a first research step to solve the inverse problem of damage propagation in masonry generated by vertical ground movements, in order to ex-post identify the cause of a visible damage. The constitutive model is written in a discrete form for its implementation in a research-oriented finite element program. The response at the quadrature point is analyzed first. Then, the model is validated through comparisons with experimental results and finally employed to simulate the failure occurred in a wall of an ancient masonry building, where an arched collapse took place due to a lowering of the ground level under part of its foundation.

UR - http://hdl.handle.net/10447/366939

UR - https://doi.org/10.1007/s00419-019-01535-y

M3 - Article

VL - 89

SP - 1655

EP - 1676

JO - Archive of Applied Mechanics

JF - Archive of Applied Mechanics

SN - 0939-1533

ER -