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TimePresCompBridge SIGNED

Time-dependent design and assessment of prestressed steel-concrete composite bridges with external FRP tendons

Total Cost €

0

EC-Contrib. €

0

Partnership

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 TimePresCompBridge project word cloud

Explore the words cloud of the TimePresCompBridge project. It provides you a very rough idea of what is the project "TimePresCompBridge" about.

property    performing    surveys    travel    ones    computer    post    life    flow    instead    poor    business    bridges    icing    primary    significantly    fibre    harsh    performance    goods    guidelines    limited    performed    disruption    dependent    experimental    transfer    bridge    deeply    advantages    engineers    costly    frp    climates    large    prestressed    losses    loads    delays    conventional    practical    understand    traffic    powerful    composites    construction    socio    girder    de    fellowship    time    seek    loading    repair    owners    initial    highlight    materials    steel    strength    numerical    rehabilitation    noncorrosive    tensioning    investigation    basis    inevitable    countries    repairs    conduct    extensive    disruptive    externally    tests    tendons    move    technique    aforementioned    environmental    cold    reveal    economic    efficient    consuming    polymer    external    distances    frequency    insufficient    quality    recognised    urgently    reinforced    composite    maintenance    longer    salts   

Project "TimePresCompBridge" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITY OF SOUTHAMPTON 

Organization address
address: Highfield
city: SOUTHAMPTON
postcode: SO17 1BJ
website: http://www.southampton.ac.uk

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Total cost 195˙454 €
 EC max contribution 195˙454 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2016
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-10-01   to  2019-11-01

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITY OF SOUTHAMPTON UK (SOUTHAMPTON) coordinator 195˙454.00

Map

 Project objective

Large EU projects and surveys reveal that the frequency and cost of bridge repairs in Europe have significantly increased due to traffic loads higher than those considered in the initial design, harsh environmental conditions, use of de-icing salts especially in countries with cold climates, poor quality of construction materials, and limited maintenance. Most importantly, the aforementioned projects and surveys highlight that current repair and strengthening methods are costly and time-consuming and result in large socio-economic losses due to disruption of traffic flow such as travel delays, longer travel distances, insufficient move of goods, and loss of business. Therefore, bridge owners and bridge engineers urgently seek to transfer into real-life projects more efficient and less disruptive methods for bridge repair, strengthening and maintenance. External post-tensioning is recognised as a powerful technique in the rehabilitation of existing bridges as well as in the construction of new bridges. For the advantages of noncorrosive property and high strength, fibre reinforced polymer (FRP) composites are being increasingly used for external tendons instead of conventional steel ones. Existing research on externally prestressed steel-concrete composite bridges has focused on the short-term loading. However, the inevitable loss of long-term performance of prestressed composite bridges is of primary concern in practice, especially when FRP tendons are used. Therefore, it is necessary to investigate deeply the long-term behaviour of these bridges and, on this basis, to propose practical design guidelines. In this fellowship, an experimental and numerical study will be carried out to understand the time-dependent performance of composite girder bridges with FRP tendons. Long-term tests will be performed. Moreover, a novel computer programme capable of performing time-dependent analysis will be developed and used to conduct an extensive numerical investigation.

 Publications

year authors and title journal last update
List of publications.
2019 Tiejiong Lou, Theodore L. Karavasilis
Numerical assessment of the nonlinear behavior of continuous prestressed steel-concrete composite beams
published pages: 116-127, ISSN: 0141-0296, DOI: 10.1016/j.engstruct.2019.04.031
Engineering Structures 190 2020-01-28
2019 Tiejiong Lou, Di Min, Wei Sun, Bo Chen
Numerical assessment of continuous prestressed NSC and HSC members with external CFRP tendons
published pages: 111671, ISSN: 0263-8223, DOI: 10.1016/j.compstruct.2019.111671
Composite Structures 2020-01-28
2018 Tiejiong Lou, Theodore L. Karavasilis
Time-dependent assessment and deflection prediction of prestressed concrete beams with unbonded CFRP tendons
published pages: 365-376, ISSN: 0263-8223, DOI: 10.1016/j.compstruct.2018.04.013
Composite Structures 194 2020-01-28
2019 Tiejiong Lou, Theodore L. Karavasilis
Numerical evaluation of prestressed steel-concrete composite girders with external FRP or steel tendons
published pages: 105698, ISSN: 0143-974X, DOI: 10.1016/j.jcsr.2019.105698
Journal of Constructional Steel Research 162 2020-01-28
2019 Tiejiong Lou, Chengming Peng, Theodore L. Karavasilis, Di Min, Wei Sun
Moment redistribution versus neutral axis depth in continuous PSC beams with external CFRP tendons
published pages: 109927, ISSN: 0141-0296, DOI: 10.1016/j.engstruct.2019.109927
Engineering Structures 2020-01-28

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