Numerical modelling of the hygro-thermal response of timber bridges during their service life

A monitoring case-study

Stefania Fortino (Corresponding Author), Alessandra Genoese, Andrea Genoese, Lina Nunes, Pedro Palma

Research output: Contribution to journalArticleScientificpeer-review

26 Citations (Scopus)

Abstract

The monitoring of timber bridges during their service life is important for the maintenance plans of these structures. Numerical modelling can integrate the monitoring techniques by reducing the needed inspections and the maintenance costs. In this paper a 3D computational model based on a well assessed multi-Fickian theory is implemented in Abaqus FEM code. The hygro-thermal response of a timber pedestrian bridge is simulated during a period of its service life. The numerical results are in agreement with measurements taken by a sensor-based technique. Conclusions are given on the moisture gradients which could generate the so-called moisture induced stresses (MIS).
Original languageEnglish
Pages (from-to)1225-1234
Number of pages9
JournalConstruction and Building Materials
Volume47
DOIs
Publication statusPublished - 2013
MoE publication typeA1 Journal article-refereed

Fingerprint

Timber
Service life
Moisture
Footbridges
Monitoring
Inspection
Finite element method
Sensors
Costs
Hot Temperature

Keywords

  • Timber bridges
  • Variable environment
  • Monitoring techniques
  • Moisture induced stresses (MIS)
  • Multi-Fickian models
  • Finite element method
  • Abaqus code
  • ProperTune

Cite this

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title = "Numerical modelling of the hygro-thermal response of timber bridges during their service life: A monitoring case-study",
abstract = "The monitoring of timber bridges during their service life is important for the maintenance plans of these structures. Numerical modelling can integrate the monitoring techniques by reducing the needed inspections and the maintenance costs. In this paper a 3D computational model based on a well assessed multi-Fickian theory is implemented in Abaqus FEM code. The hygro-thermal response of a timber pedestrian bridge is simulated during a period of its service life. The numerical results are in agreement with measurements taken by a sensor-based technique. Conclusions are given on the moisture gradients which could generate the so-called moisture induced stresses (MIS).",
keywords = "Timber bridges, Variable environment, Monitoring techniques, Moisture induced stresses (MIS), Multi-Fickian models, Finite element method, Abaqus code, ProperTune",
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Numerical modelling of the hygro-thermal response of timber bridges during their service life : A monitoring case-study. / Fortino, Stefania (Corresponding Author); Genoese, Alessandra; Genoese, Andrea; Nunes, Lina; Palma, Pedro.

In: Construction and Building Materials, Vol. 47, 2013, p. 1225-1234.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Numerical modelling of the hygro-thermal response of timber bridges during their service life

T2 - A monitoring case-study

AU - Fortino, Stefania

AU - Genoese, Alessandra

AU - Genoese, Andrea

AU - Nunes, Lina

AU - Palma, Pedro

N1 - Project code: 17546

PY - 2013

Y1 - 2013

N2 - The monitoring of timber bridges during their service life is important for the maintenance plans of these structures. Numerical modelling can integrate the monitoring techniques by reducing the needed inspections and the maintenance costs. In this paper a 3D computational model based on a well assessed multi-Fickian theory is implemented in Abaqus FEM code. The hygro-thermal response of a timber pedestrian bridge is simulated during a period of its service life. The numerical results are in agreement with measurements taken by a sensor-based technique. Conclusions are given on the moisture gradients which could generate the so-called moisture induced stresses (MIS).

AB - The monitoring of timber bridges during their service life is important for the maintenance plans of these structures. Numerical modelling can integrate the monitoring techniques by reducing the needed inspections and the maintenance costs. In this paper a 3D computational model based on a well assessed multi-Fickian theory is implemented in Abaqus FEM code. The hygro-thermal response of a timber pedestrian bridge is simulated during a period of its service life. The numerical results are in agreement with measurements taken by a sensor-based technique. Conclusions are given on the moisture gradients which could generate the so-called moisture induced stresses (MIS).

KW - Timber bridges

KW - Variable environment

KW - Monitoring techniques

KW - Moisture induced stresses (MIS)

KW - Multi-Fickian models

KW - Finite element method

KW - Abaqus code

KW - ProperTune

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SP - 1225

EP - 1234

JO - Construction and Building Materials

JF - Construction and Building Materials

SN - 0950-0618

ER -