Reference number : GC-2017-Q1-00315, amendment number : , agreement type : G, recipient legal name : Svecova, Dagmar (University of Manitoba)|Svecova, Dagmar (Université du Manitoba), recipient country : CA, recipient province : nan, recipient city : Manitoba, recipient postal code : nan, program name english : Collaborative Research and Development Grants - Project, program name french : Subventions de recherche et développement coopérative - projet, program purpose english : The majority of bridges in North America are becoming obsolete and structurally deficient as they are nearing the end of their service life. Many aging bridges in Canada will need major rehabilitation in this century. Current estimates place the national bridge infrastructure funding deficit in Canada at more than $20 billion per year. Additional indirect costs such as those incurred due to closures of major transportation routes during construction will have severe consequences on the nation's economy and will have to be addressed. _x000D_
To reduce the costs associated with rehabilitation or replacement of bridge infrastructure, there has been a strong desire to minimize construction time and the impact on the surrounding environment and transportation network involved. This has led to a push for the development of Accelerated Bridge Construction (ABC) practices, which use modular precast bridge components that are installed on-site, rather than conventional cast-in-place (CIP) concrete bridge decks. Whether the project is the construction of a new structure, or the rehabilitation of an existing deteriorated structure, implementing precast bridge deck panel systems can greatly accelerate the project schedule. _x000D_
The proposed research project aims to address one aspect of ABC by developing long-term performance data of ultra high performance concrete (UHPC) jointed precast prestressed concrete panel (PPCP) bridge systems subjected to fatigue loads and temperature variations. A scaled model of the panel segments with UHPC joints and shear pockets will be tested and the behaviour of the joints in negative bending will be investigated. This project will determine suitable size and shape of sheer pockets when using UHPC. Data from a bridge-way in motion installation on Morris Bridge in Manitoba will be analyzed and a finite element model of the structure will be verified and used to predict algorithms to determine the fatigue life of bridges. Developing such an approach will be a significant contribution to current bridge design and maintenance practices._x000D_
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_x000D_, program purpose french : The majority of bridges in North America are becoming obsolete and structurally deficient as they are nearing the end of their service life. Many aging bridges in Canada will need major rehabilitation in this century. Current estimates place the national bridge infrastructure funding deficit in Canada at more than $20 billion per year. Additional indirect costs such as those incurred due to closures of major transportation routes during construction will have severe consequences on the nation's economy and will have to be addressed. _x000D_
To reduce the costs associated with rehabilitation or replacement of bridge infrastructure, there has been a strong desire to minimize construction time and the impact on the surrounding environment and transportation network involved. This has led to a push for the development of Accelerated Bridge Construction (ABC) practices, which use modular precast bridge components that are installed on-site, rather than conventional cast-in-place (CIP) concrete bridge decks. Whether the project is the construction of a new structure, or the rehabilitation of an existing deteriorated structure, implementing precast bridge deck panel systems can greatly accelerate the project schedule. _x000D_
The proposed research project aims to address one aspect of ABC by developing long-term performance data of ultra high performance concrete (UHPC) jointed precast prestressed concrete panel (PPCP) bridge systems subjected to fatigue loads and temperature variations. A scaled model of the panel segments with UHPC joints and shear pockets will be tested and the behaviour of the joints in negative bending will be investigated. This project will determine suitable size and shape of sheer pockets when using UHPC. Data from a bridge-way in motion installation on Morris Bridge in Manitoba will be analyzed and a finite element model of the structure will be verified and used to predict algorithms to determine the fatigue life of bridges. Developing such an approach will be a significant contribution to current bridge design and maintenance practices._x000D_
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_x000D_, agreement title english : Durability of ultra-high performance concrete as joint-fill material for precast bridge desk panels, agreement title french : Durability of ultra-high performance concrete as joint-fill material for precast bridge desk panels, agreement number : CRDPJ, agreement value : 90000.0, agreement start date : 2017-06-14, agreement end date : nan, description english : nan, description french : nan, expected results english : nan, expected results french : nan, additional information english : Grant or Award spanning more than one fiscal year. (2017-2018 to 2018-2019), additional information french : Subvention ou bourse octroyée s'appliquant à plus d'un exercice financier. (2017-2018 à 2018-2019), owner organization : nserc-crsng, owner organization title : Natural Sciences and Engineering Research Council of Canada | Conseil de recherches en sciences naturelles et en génie du Canada