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Material properties of concrete used in skewed concrete bridges
Linnaeus University, Faculty of Technology, Department of Building Technology.
2016 (English)Independent thesis Advanced level (degree of Master (One Year)), 40 credits / 60 HE creditsStudent thesis
Abstract [en]

This thesis has discussed both properties and geometry of concrete slabs used in bridges.

It gave understanding on behavior of concrete in both tension and compression zones and how crack propagates in specimens by presenting both theory of fracture and performing concrete tests like tension splitting, uniaxial compression and uniaxial tension tests.

Furthermore, it supported experimental tests with finite elements modelling for each test, and illustrated both boundary conditions and loads.

The thesis has used ARAMIS cameras to observe crack propagations in all experimental tests, and its first study at LNU that emphasized on Brazilian test, because of importance of this test to describe both crushing and cracking behavior of concrete under loading.

It’s an excellent opportunity to understand how concrete and steel behave individually and in combination with each other, and to understand fracture process zone, and this has been discussed in theory chapter.

The geometry change that could affect stresses distributions has also described in literature and modelled to give good idea on how to model slabs in different angles in the methodology chapter.

Thus, thesis will use finite elements program (Abaqus) to model both experimental specimens and concrete slabs without reinforcement to emphasize on concrete behavior and skewness effect. This means studying both properties of concrete and geometry of concrete slabs. This thesis has expanded experimental tests and chose bridges as an application.

Place, publisher, year, edition, pages
2016. , 61 p.
Keyword [en]
crack, skew slab, RCC slabs, fracture process zone, uniaxial compression test, uniaxial tension test, Brazilian splitting tension test, modelling linear behavior of concrete, bridges.
National Category
Engineering and Technology
URN: urn:nbn:se:lnu:diva-54412OAI: diva2:945046
Subject / course
Byggteknik; Byggteknik
Educational program
Structural Engineering, Master Programme, 60 credits; Structural Engineering, Master Programme, 60 credits
2016-06-30, 13:35 (English)
Available from: 2016-07-18 Created: 2016-06-30 Last updated: 2016-07-18Bibliographically approved

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