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LoStPReCon

Long-term structural performance of pre-stressed concrete bridges: A risk-based monitoring informed framework for life-cycle asset management

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 LoStPReCon project word cloud

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

hybrid    probabilistic    formulate    creep    infrastructure    integrating    recently    maintenance    forefront    integrative    sousa    solved    demonstrated    56    deflections    spans    dependent    monitoring    training    interdisciplinary    material    intimate    global    creative    ria    iacute    question    image    individual    construction    cantilever    shrinkage    life    grew    building    track    record    expertise    concluded    researched    creation    found    collapse    correlation    framework    excessive    bridge    time    appeared    benefiting    babeldaob    qualified    bridges    lez    skills    he    physical    group    helder    1996    of    models    specimen    performance    digital    possessing    fe    linearly    koror    structural    market    stressed    professionals    interestingly    wealth    expanding    profiles    review    service    competitiveness    predictions    data    honing    researcher    dr    combination    dic    reliability    manner    re    medium    representative    influence   

Project "LoStPReCon" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITY OF SURREY 

Organization address
address: Stag Hill
city: GUILDFORD
postcode: GU2 7XH
website: www.surrey.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]
 Project website http://www.lostprecon.eu
 Total cost 183˙454 €
 EC max contribution 183˙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-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2015
 Duration (year-month-day) from 2015-11-01   to  2017-10-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITY OF SURREY UK (GUILDFORD) coordinator 183˙454.00

Map

 Project objective

Recently, the re-assessment of the collapse of the Koror-Babeldaob Bridge (in 1996), a pre-stressed bridge built by the cantilever method, concluded that this was due to excessive deflections that appeared and grew non-linearly some years after construction. Interestingly, similar trends were found for a group of 56 similar bridge spans, raising the question whether such concerns could influence the maintenance and service life of a high number of pre-stressed bridges in Europe and beyond. Although individual material and structural factors have been researched, this problem can only be solved by integrating physical and probabilistic models and benefiting from the increasing use of monitoring data. This proposal aims to: 1.Review existing models for shrinkage and creep at specimen level, 2.Establish robust hybrid FE models for medium/long-term predictions, 3.Develop a novel monitoring approach based on Digital Image Correlation (DIC), 4.Formulate a time-dependent reliability assessment framework, addressing creep and shrinkage uncertainties, 5.Produce representative performance-time profiles for pre-stressed bridges based on the proposed framework and models. The above will be demonstrated via a case study – the Lezíria Bridge – possessing a unique combination of factors: (i) available monitoring data, (ii) pre-existing analysis models and (iii) an intimate knowledge by Dr. Helder Sousa, the researcher, of its construction and behaviour. The findings will be directly relevant to the growing number of bridges with this problem, enhancing the European knowledge and competitiveness in the global infrastructure market. For this, an interdisciplinary research and training programme has been set out, building on the researcher’s strong track record, expanding/honing his knowledge/skills, so that he can reach the forefront of highly qualified professionals able to solve problems in a creative/integrative manner, contributing to European expertise and wealth creation.

 Publications

year authors and title journal last update
List of publications.
2017 Helder Sousa, Ying Wang
Sparse representation approach to data compression for strain-based traffic load monitoring: A comparative study
published pages: , ISSN: 0263-2241, DOI: 10.1016/j.measurement.2017.10.042
Measurement 2019-06-18
2017 Bismut, E., Schneider, R., Sousa, H., Straub, D.
Framework and Categorization for Value of Information Analysis
published pages: , ISSN: , DOI:
COST Action TU1402 - Quantifyng the Value of Structural Heatlh Monitoring 2019-06-18
2017 Sousa, H., Santos, L., Chryssanthopoulos
A Bayesian approach to the use of in-situ specimen data for predicting creep compliance
published pages: , ISSN: , DOI:
ICOSSAR 2017 - 12th International Conference on Structural Safety and Reliability 2019-06-18
2016 Sousa, H., Santos, L., Chryssanthopoulos, M.
The role of in-situ specimen measurements in appraising creep and shrinkage model predictions
published pages: , ISSN: , DOI:
MCSSE2016 - International RILEM Conference on Materials, Systems and Structures in Civil Engineering Conference segment on Reliability 2019-06-18

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The information about "LOSTPRECON" are provided by the European Opendata Portal: CORDIS opendata.

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