Finite Element Modelling of Modular Precast Composites for Railway Track Support Structure – A battle to save Sydney Harbour Bridge

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Finite Element Modelling of Modular Precast Composites for Railway Track Support Structure – A battle to save Sydney Harbour Bridge. / Griffin, Dane; Mirza, Olivia; Kwok, Kenny; Kaewunruen, Sakdirat.

In: Australian Journal of Structural Engineering, Vol. 16, No. 2, 01.04.2015, p. 150-168.

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@article{c16cfcc5f5cf433792078bcae59a55d1,
title = "Finite Element Modelling of Modular Precast Composites for Railway Track Support Structure – A battle to save Sydney Harbour Bridge",
abstract = "Railway networks in Australian alone require replacing a large amount of aging timber components in excess of 280,000 m3 per year. The replacement of timber track components is responsible for producing greenhouse gas emissions 6 times greater than equivalent reinforced concrete counterparts. Sydney Harbour Bridge presently experiences similar problem. A feasibility study to develop an innovative solution for the replacement of aging timber transoms installed on the Sydney Harbour Bridge was conducted to evaluate environmental, safety and financial benefits. The development of alternative composite structure to replace the timber components overcomes some potential compatibility issues with track stiffness as well as structural and geometrical track systems. This study firstly presents a novel and resilient alterative by incorporating steel-concrete composite theory and combining the capabilities of being precast and modular, in order to reduce the depth, weight and required installation time relative to conventional concrete track slab systems. Finite element analysis of the composite structures and its behaviours incorporating the bridge system are highlighted in this paper. A three-dimensional model of steel-concrete composites was developed by using ABAQUS. Nonlinear material properties and contact interfaces have been simulated to mimic actual support conditions of existing stringers on the Sydney Harbour Bridge. This investigation demonstrates the safety of the composite panels under train derailment loads.",
keywords = "railway infrastructure, tracks, transoms, components, steel-concrete composites, maintenance, replacement, derailment-resistant design, Sydney Harbour Bridge",
author = "Dane Griffin and Olivia Mirza and Kenny Kwok and Sakdirat Kaewunruen",
note = "Griffin, D. W. P., Mirza, O., Kwok, K. & Kaewunruen, S. 2015, “Finite element modelling of modular precast composites for railway track support structure: A battle to save Sydney Harbour Bridge”, Australian Journal of Structural Engineering, Vol. 16, No. 2, April, pp. 150-168, http://dx.doi.org/10.7158/S14-025.2015.16.2.",
year = "2015",
month = apr,
day = "1",
doi = "10.1080/13287982.2015.11465187",
language = "English",
volume = "16",
pages = "150--168",
journal = "Australian Journal of Structural Engineering",
issn = "1328-7982",
publisher = "Taylor & Francis",
number = "2",

}

RIS

TY - JOUR

T1 - Finite Element Modelling of Modular Precast Composites for Railway Track Support Structure – A battle to save Sydney Harbour Bridge

AU - Griffin, Dane

AU - Mirza, Olivia

AU - Kwok, Kenny

AU - Kaewunruen, Sakdirat

N1 - Griffin, D. W. P., Mirza, O., Kwok, K. & Kaewunruen, S. 2015, “Finite element modelling of modular precast composites for railway track support structure: A battle to save Sydney Harbour Bridge”, Australian Journal of Structural Engineering, Vol. 16, No. 2, April, pp. 150-168, http://dx.doi.org/10.7158/S14-025.2015.16.2.

PY - 2015/4/1

Y1 - 2015/4/1

N2 - Railway networks in Australian alone require replacing a large amount of aging timber components in excess of 280,000 m3 per year. The replacement of timber track components is responsible for producing greenhouse gas emissions 6 times greater than equivalent reinforced concrete counterparts. Sydney Harbour Bridge presently experiences similar problem. A feasibility study to develop an innovative solution for the replacement of aging timber transoms installed on the Sydney Harbour Bridge was conducted to evaluate environmental, safety and financial benefits. The development of alternative composite structure to replace the timber components overcomes some potential compatibility issues with track stiffness as well as structural and geometrical track systems. This study firstly presents a novel and resilient alterative by incorporating steel-concrete composite theory and combining the capabilities of being precast and modular, in order to reduce the depth, weight and required installation time relative to conventional concrete track slab systems. Finite element analysis of the composite structures and its behaviours incorporating the bridge system are highlighted in this paper. A three-dimensional model of steel-concrete composites was developed by using ABAQUS. Nonlinear material properties and contact interfaces have been simulated to mimic actual support conditions of existing stringers on the Sydney Harbour Bridge. This investigation demonstrates the safety of the composite panels under train derailment loads.

AB - Railway networks in Australian alone require replacing a large amount of aging timber components in excess of 280,000 m3 per year. The replacement of timber track components is responsible for producing greenhouse gas emissions 6 times greater than equivalent reinforced concrete counterparts. Sydney Harbour Bridge presently experiences similar problem. A feasibility study to develop an innovative solution for the replacement of aging timber transoms installed on the Sydney Harbour Bridge was conducted to evaluate environmental, safety and financial benefits. The development of alternative composite structure to replace the timber components overcomes some potential compatibility issues with track stiffness as well as structural and geometrical track systems. This study firstly presents a novel and resilient alterative by incorporating steel-concrete composite theory and combining the capabilities of being precast and modular, in order to reduce the depth, weight and required installation time relative to conventional concrete track slab systems. Finite element analysis of the composite structures and its behaviours incorporating the bridge system are highlighted in this paper. A three-dimensional model of steel-concrete composites was developed by using ABAQUS. Nonlinear material properties and contact interfaces have been simulated to mimic actual support conditions of existing stringers on the Sydney Harbour Bridge. This investigation demonstrates the safety of the composite panels under train derailment loads.

KW - railway infrastructure

KW - tracks

KW - transoms

KW - components

KW - steel-concrete composites

KW - maintenance

KW - replacement

KW - derailment-resistant design

KW - Sydney Harbour Bridge

U2 - 10.1080/13287982.2015.11465187

DO - 10.1080/13287982.2015.11465187

M3 - Article

VL - 16

SP - 150

EP - 168

JO - Australian Journal of Structural Engineering

JF - Australian Journal of Structural Engineering

SN - 1328-7982

IS - 2

ER -