Publication
Estimation of the bar stress based on crack width measurements in reinforced concrete structures
Related publications (40)
Experimental investigation of dowel action in reinforcing bars using refined measurements
Aurelio Muttoni, Marko Pejatovic
In typical reinforced concrete design, reinforcement is designed to carry axial forces, but it can also resist transversal forces by dowel action. This is usually neglected for simplicity's sake in the design phase, but it can be accounted for either expli ...
Ernst & Sohn2024Experimental and analytical investigation of shear-reinforced concrete and dowel action
Codes of practice can be overly conservative, particularly for the shear resistance of reinforced concrete beams with shear reinforcement when large loads act close to supports. This thesis addresses the topic by proposing a refined design approach based o ...
EPFL2024Crack kinematics prediction in concrete structures and assessment of their criticality
The observation of cracks in normally functioning reinforced concrete (RC) structures is expected as the tensile strength of concrete is relatively low. However, one or more of those cracks can start to propagate with increasing crack openings, localizing ...
2023Experimental investigation of dowel action using advanced measurement techniques
Aurelio Muttoni, Marko Pejatovic
Existing shear-cracked structures need to be reliably verified in order to avoid redundant interventions. Code provisions often raise shear safety and/or fatigue life concerns of the reinforcement subjected to stress concentrations due to cyclic dowel acti ...
2022Study on the internal crack network of the ASR-affected concrete by the tomography-based numerical model
Jean-François Molinari, Emil Gallyamov, Mahdieh Shakoorioskooie
In this paper, we present a novel finite element model to simulate alkali-silica reaction in a realistic concrete meso-structure. Application of the internal ASR loading leads to the evolution of multiple deviated cracks and corresponding macroscopic expan ...
PERGAMON-ELSEVIER SCIENCE LTD2022Multi-scale modeling of aggregate interlock phenomena in concrete
In concrete structures, opened cracks contribute significantly to the transfer of shear and normal stresses through the contact forces occurring between fractured surfaces. Such contact forces are due to protruding asperities, engaged by interlocking and f ...
EPFL2021The transfer of forces through rough surface contact in concrete
Aggregate interlocking is a phenomenon occurring when the opposite sides of a concrete crack slide relative to each other. Due to surface roughness, protruding material from one crack-side can engage with the opposite one and thus exchange forces. This aff ...
EPFL2020Comportement des éléments en béton armé fléchis sous charge cyclique
For various types of civil structures such as bridges, skyscrapers and other slender towers, oil rigs as well as runaways, dynamic loading is predominant. This holds true especially for bridges where loads have increased considerably in the last hundred ye ...
2020Influence of Load Duration on Shear Strength of Reinforced Concrete Members
Aurelio Muttoni, Miguel Fernández Ruiz, Darko Tasevski
The significance of sustained loading on the compressive and tensile strength of concrete has been experimentally verified since the 1950s and is currently acknowledged in most design codes implicitly or explicitly. However; its influence on other potentia ...
AMER CONCRETE INST2020A detailed view on the rebar–to–concrete interaction based on refined measurement techniques
Aurelio Muttoni, Miguel Fernández Ruiz, Raffaele Cantone
Simplified assumptions have traditionally been made on the rebar–to–concrete interaction in structural concrete to calculate the stress state in rebars. Such assumptions typically consider a uniform stress state in the reinforcement at a given cross sectio ...
2020