A Shear Strength Model for FRC Coupling Beams

Mihaylov, Boyan

Reference : A Shear Strength Model for FRC Coupling Beams


	Document type :	Scientific congresses and symposiums : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Civil engineering
	To cite this reference:	http://hdl.handle.net/2268/253311

Title :	A Shear Strength Model for FRC Coupling Beams
Language :	English
Author, co-author :	Mihaylov, Boyan [Université de Liège - ULiège > Département ArGEnCo > Structures en béton >]
Publication date :	2018
Main document title :	Better, Smarter, Stronger Proceedings for the 2018 fib Congerss held in Melbourne
Peer reviewed :	Yes
On invitation :	No
Audience :	International
Event name :	The International Federation for Structural Concrete 5th International fib Congress
Event date :	7-11 October 2018
Event organizer :	The International Federation for Structural Concrete
Event place (city) :	Melbourne
Event country :	Australia
Abstract :	[en] Short coupling beams are susceptible to brittle shear failures that need to be suppressed with dense shear reinforcement. To reduce the amount of reinforcement and improve the service behavior, researchers have proposed a solution with steel fiber-reinforced concrete (FRC). However, while this solution is promising, there are no sufficiently simple mechanical models capable of capturing the shear strength of short FRC coupling beams without diagonal reinforcement. This paper proposes such a model based on first principles: kinematics, equilibrium, and constitutive relationships for the mechanisms of shear resistance. The model accounts for five shear mechanisms whose magnitudes are predicted at failure. When compared to 15 tests, the model is shown to capture well the effect of beam aspect ratio, concrete strength and amount of steel fibres.
Target :	Researchers ; Professionals ; Students
Permalink :	http://hdl.handle.net/2268/253311

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	File	Commentary	Version	Size	Access
Open access	Mihaylov fib Melbourne 2018.pdf		Author postprint	1.15 MB	View/Open

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