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Aurelio Muttoni

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Related publications (203)

Punching strength of actual two-way slabs

Aurelio Muttoni, Miguel Fernández Ruiz, Jürgen Einpaul

Many building codes rely on empirical formulations with respect to the punching shear design provisions. Such empirical equations are typically calibrated on the basis of laboratory tests performed on simplified geometries (usually isolated specimens) with ...

4th fib Congress, Mumbai2014

Background to the fib Model Code 2010 shear provisions - part I: beams and slabs

Aurelio Muttoni, Miguel Fernández Ruiz

This paper examines the evidence for the one-way shear model developed for the fib Model Code for Concrete Structures 2010 and provides examples of its application. For the design and analysis for shear, for members with and without shear reinforcement, th ...

Thomas Telford2013

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

Punching shear design in MC2010: incorporating new knowledge and grounding design expressions on physical models

Aurelio Muttoni, Miguel Fernández Ruiz

Model Code 2010 (MC2010) has presented a deep review on punching shear design with respect to previous versions of Model Code (1978, 1990). These changes have been motivated by the fact that MC2010 is grounded on a physical theory rather than on empirical ...

fib Symposium Tel-Aviv 20132013

Failure analysis of edge flat-slab column connections with shear reinforcement

Aurelio Muttoni, Dan Vasile Bompa

Flat-slab column connections are susceptible to brittle failure, which lead to the necessity of improving ductility and ultimate strength. In case of edge connections, the behaviour at ultimate state is highly influenced by nonsymmetrical distribution of s ...

fib Symposium Tel-Aviv 20132013

Design for punching of prestressed concrete slabs

Aurelio Muttoni, Miguel Fernández Ruiz, Thibault Clément, António Manuel Pinho Ramos

Prestressing in flat slabs helps in controlling deformations and cracking under service loads and allows reducing the required slab thickness, leading thus to more slender structures and being therefore an economic solution for long spans. However, as a co ...

Structural Concrete2013

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

Punching shear strength of PC Slabs

Aurelio Muttoni, Thibault Clément, Juan Sagaseta Albajar

This paper presents the results of an experimental research on the influence of prestressing on the punching shear strength of flat slabs. The tests refer to 13 geometrically identical specimens 250 mm thick that were loaded in order to investigate the inf ...

fib Symposium Tel-Aviv 20132013

Enhanced safety with post-installed shear reinforcement

Aurelio Muttoni, Miguel Fernández Ruiz

The safety of existing concrete slabs against shear may be insufficient for several reasons such as design and construction errors, structural modifications or increased loads. Moreover, the knowledge about shear design has significantly increased over the ...

fib Symposium Tel-Aviv 20132013

Concrete shells – Towards efficient structures: Construction of an ellipsoidal concrete shell in Switzerland

Aurelio Muttoni, Miguel Fernández Ruiz

Concrete shells have been widely used in the past as economical and suitable solutions for a number of structures such as roofs, silos, cooling towers or offshore platforms. Taking advantage of their single or double curvature, bending moments and shear fo ...

Structural Concrete2013

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, Andrea Anastasi

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

Evaluation of the tensile strength of SFRC as derived from inverse analysis of notched bending tests

Aurelio Muttoni

For the design of SFRC members, the most fundamental material property is its post cracking residual tensile strength. When relying on physical models to describe structural behaviour under load, the material laws must first be accurately established. If t ...

VIII International Conference on Fracture Mechanics of Concrete and Concrete Structures, FraMCoS-82013

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

Influence of punching shear reinforcement on the flexural response of flat slabs

Aurelio Muttoni, Stefan Lips

Physical punching shear models such as the Critical Shear Crack Theory (CSCT), which is the basis of Model Code 2010 (MC 2010), describe generally the punching strength as a function of the slab deformation. Thus, the prediction of an accurate load-deforma ...

fib Symposium Tel-Aviv 20132013

Post-Punching Behavior of Flat Slabs

Aurelio Muttoni, Miguel Fernández Ruiz, Yaser Mirzaei

Reinforced concrete flat slabs are a common structural system for cast-in-place concrete slabs. Failures in punching shear near the column regions are typically governing at ultimate. In case no punching shear or integrity reinforcement is placed, failures ...

ACI Structural Journal2013

Background to the Model Code 2010 Shear Provisions - Part II Punching Shear

Aurelio Muttoni, Miguel Fernández Ruiz

This paper outlines the theoretical background of the punching shear provisions implemented in the fib Model Code 2010 and presents a practical example of its applica tion. It is the aim to explain the mechanical model that forms the basis of the punching ...

Structural Concrete, Ernst & Sohn2013

La teoría de la fisura crítica como base teórica para el diseño de losas frente a punzonamiento en el nuevo Código Modelo 2010 (The Critical Shear Crack Theory as a physical model for punching shear design and its implementation into new Model Code 2010)

Aurelio Muttoni, Miguel Fernández Ruiz, Juan Sagaseta Albajar

On April 2010, the first complete draft of new Model Code 2010 was published. It introduced a number of innovative design approaches, some of them with respect to shear and punching shear. Contrary to Model Code 90 (or some national and international codes ...

Hormigón y Acero2012

Effect of load distribution and variable depth on shear resistance of slender beams without stirrups

Aurelio Muttoni, Miguel Fernández Ruiz

The shear resistance of elements without stirrups has mainly been investigated by test setups involving simply supported beams of constant thickness subjected to one- or two-point loading, and most of the formulas included in codes have been adjusted using ...

ACI Structural Journal2012

The levels-of-approximation approach in MC 2010: application to punching shear provisions

Aurelio Muttoni, Miguel Fernández Ruiz

In order to address how new knowledge influences design expressions, design codes have in most cases become significantly more complex over the last decades. However, this tendency is leading to codes that are too complicated for preliminary design but sti ...

Structural Concrete2012

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

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