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Aurelio Muttoni

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Related publications (203)

Page 2 of 11

Steel stresses and shear forces in reinforcing bars due to dowel action

Aurelio Muttoni, Marko Pejatovic

Reinforcing bars in structural concrete are typically designed to carry axial forces. Nevertheless, due to their bending stiffness, the bars can also carry transverse forces, that are associated with the localized bending mechanism (dowel action) resulting ...

2024

Size effect on punching shear strength: differences and analogies with shear in one-way slabs

Aurelio Muttoni, Miguel Fernández Ruiz

Size effect has been theoretically and experimentally acknowledged as a phenomenon influencing the shear and punching shear strength of concrete structures, with reducing unitary shear strength for increasing member sizes. For members failing in shear, as ...

2016

Review of fundamental assumptions of the Two-Phase model for aggregate interlocking in cracked concrete using numerical methods and experimental evidence

Aurelio Muttoni, Miguel Fernández Ruiz, Guillaume Anciaux, Max Tirassa, Mohit Pundir

Aggregate interlocking allows transferring shear and normal stresses through open cracks, and is considered to significantly contribute to the force transfer in cracked concrete. The complex phenomenon depends on the roughness of cracked surfaces, where ma ...

Pergamon-Elsevier Science Ltd2019

Analysis and design of an innovative solution for tunnels using elastic-plastic stress fields

Aurelio Muttoni, Stefano Campana

For the conception of cut-and-cover tunnel, two solutions are usually considered to define the cross-section : an arch/vault or a frame. The vault enables an optimal static behavior in case of a large soil cover and symmetric loads. However, this solution ...

Proceeding of the 8th fib-PhD Symposium2010

The influence of casting position and disturbance induced by reinforcement on the structural concrete strength

Aurelio Muttoni, Miguel Fernández Ruiz, Francesco Rafael Alberto Moccia

It is well known that control specimens used to assess the concrete strength of new structures have different casting and curing conditions than those of actual structures. Notably, after pouring of the concrete and before its hardening, a number of phenom ...

ERNST & SOHN2021

Interaction between Bond and Deviation Forces in Spalling Failures of Arch-Shaped Members without Transverse Reinforcement

Aurelio Muttoni, Miguel Fernández Ruiz, Sylvain Plumey

This paper investigates the structural behavior of reinforced concrete (RC) arch-shaped members without transverse reinforcement subjected to bending. Such members have typical applications in tunnels, cut-and-cover structures, shells, vaults, ducts, silos ...

ACI Structural Journal2010

Behaviour of nodal regions of reinforced concrete frames subjected to opening moments and proposals for their reinforcement

Aurelio Muttoni, Miguel Fernández Ruiz, Stefano Campana

The strength and deformation capacity of concrete frames is typically governed by their nodal regions behaviour. This is particularly relevant for frame corners subjected to opening bending moments, where premature brittle failures may develop depending on ...

Engineering Structures2013

Levels-of-Approximation Approach in Codes of Practice

Aurelio Muttoni, Miguel Fernández Ruiz

Civil engineering projects typically involve a number of design phases, such as preliminary design, tender design and executive design. The required degree of accuracy for the analysis of the behaviour and strength of the structural members increases as a ...

2012

Influence of Fatigue Loading in Shear Failures of Reinforced Concrete Members without Transverse Reinforcement

Juan Manuel Gallego Martín, Aurelio Muttoni, Miguel Fernández Ruiz, Francisco Manuel Maciel Natário

Shear fatigue of reinforced concrete members without transverse reinforcement has been observed to be potentially governing for the strength of some structural members subjected to large live loads of repetitive nature (as traffic, wind or wave actions). A ...

Journal of Advanced Concrete Technology2015

Punching shear strength and behaviour of compact reinforced concrete footings

Aurelio Muttoni, Miguel Fernández Ruiz, João Tiago Ramos Bernardo de Santa Rita Simões

concrete footings with and without transverse reinforcement. Even though that punching shear failures have already been deeply investigated, there is still scanty experimental information on full-scale reinforced concrete footings failing in punching shear ...

11th fib International PhD Symposium in Civil Engineering2016

Post-tensioned girders with low amounts of shear reinforcement: Shear strength and influence of flanges

Aurelio Muttoni, Miguel Fernández Ruiz, Michael Markus Rupf

Assessing the strength of existing structures has become a major issue for structural engineers. Such analyses are often performed after changes of use of the structure or due to new design codes requirements. This is particularly relevant with respect to ...

Engineering structures2013

The Critical Shear Crack Theory for punching design: from a mechanical model to closed-form design expressions

Aurelio Muttoni, Miguel Fernández Ruiz

The Critical Shear Crack Theory (CSCT) is a consistent approach used for shear design of one- and two-way slabs failing in shear and punching shear respectively. The theory is based on a mechanical model allowing to determine the amount of shear force that ...

2016

Internal slab-column connections under monotonic and cyclic imposed rotations

Katrin Beyer, Aurelio Muttoni, Ioannis Sokratis Drakatos

Reinforced concrete flat slabs supported by slender columns are often used as gravity load resisting system for buildings in regions of moderate seismicity. Current codes of practice determine the displacement capacity of slab-column connections using empi ...

Engineering Structures2016

Assessment of Shear Strength for Existing Bridges with Low Amounts of Shear Reinforcement

Aurelio Muttoni, Miguel Fernández Ruiz, Michael Markus Rupf

Design of concrete girder bridges has significantly evolved during the last decades. This has been particularly relevant with respect to shear design, motivated by changes in actions and design models. As a consequence, assessing the shear strength of exis ...

fib Symposium Tel-Aviv 20132013

Static and fatigue strength of RC slabs under concentrated loads near linear supports

Aurelio Muttoni, Francisco Manuel Maciel Natário

RC slabs without shear reinforcement subjected to c oncentrated loads near lin ear supports are typical cases of deck slabs of bridges, transfer slabs or pile caps. Such elements are often designed or as sessed in shear with code provisions calibrated on ...

Proc. of the 10th fib International PhD Symposium in Civil Engineering, Quebec2014

Limit Analysis for Punching Shear Design of Compact Slabs and Footings

Aurelio Muttoni, Miguel Fernández Ruiz, João Tiago Ramos Bernardo de Santa Rita Simões, Duarte Miguel Viúla Faria

In this paper, the kinematical theorem of limit analysis is used to obtain the governing failure mechanisms and the corresponding failure load of reinforced concrete footings without transverse reinforcement. To that purpose, a Mohr-Coulomb yield criterion ...

fib Symposium2015

A state of the art of flat-slab frame tests for gravity and lateral loading

Aurelio Muttoni

This paper presents a critical review of the state of the art of experimental research concerning the seismic response of reinforced concrete flat slab frames. After a summary of tests on connections, the paper examines tests carried out on frames with gra ...

ERNST & SOHN2020

Casting position effects on bond performance of reinforcement bars

Aurelio Muttoni, Miguel Fernández Ruiz, Francesco Rafael Alberto Moccia

The phenomena associated with the consolidation of fresh concrete (bleeding and plastic settlement) are commonly considered significant for the bond performance of reinforcement. However, rules to take care of such influence for design are not consistent a ...

ERNST & SOHN2021

Anchorage of reinforcement in concrete corners: Experiments and refined measurements

Aurelio Muttoni, Enrique Corres Sojo, Xianlin Wang

The anchorage of reinforcement in concrete is a complex phenomenon typically governed by several failure modes, including: pull-out failure, splitting, side spalling, edge wedge spalling, and corner spalling, depending on multiple factors. Extensive resear ...

2025

Analysis of shear-transfer actions on one-way RC members based on measured cracking pattern and failure kinematics

Aurelio Muttoni, Miguel Fernández Ruiz, Stefano Campana

Shear in one-way reinforced concrete (RC) members is transferred in cracked concrete members by a number of actions such as aggregate interlock, residual tensile stresses, dowelling action, inclination of compression chord and transverse reinforcement (if ...

Magazine of Concrete Research2013