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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.

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

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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