Publication

Numerical Generation and Contact Analysis of Rough Surfaces in Concrete

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Regeneration of urban areas from neighborhoods in transition to innovative components. Research at the LAST aims to contribute to transitions towards sustainability in the built environment by integrating environmental, socio-cultural, and economic paramet ...

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Regeneration of urban areas from neighborhoods in transition to innovative components Research at the LAST aims to contribute to transitions towards sustainability in the built environment by integrating environmental, socio-cultural, and economic paramete ...

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A Simple, Closed-Form Method for Determining the Superelevation of Tall Reinforced Concrete Buildings

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The vertical shortening of tall buildings is not negligible, and it is important to account for these deformations to minimize differential movement and ensure that the finished building is level. Compensation via superelevation is common in reinforced con ...

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Surface roughness and shear resistance in cracked concrete

Guillaume Anciaux, Mohit Pundir

In concrete structures, opened cracks contribute significantly to the transfer of shear and normal stresses through the contact forces acting on fractured surfaces. Such contact forces are due to protruding asperities, engaged by interlocking and friction ...

2022

Influence of sustained loading on resistance and deformation capacity of reinforced concrete members in compression

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As acknowledged explicitly or implicitly in most of current design codes, a high level of sustained loading has a detrimental effect on the concrete compressive strength. However, its beneficial effect in terms of deformation capacity is neglected in most ...

ERNST & SOHN2022

Validation of bond models for the crack width estimation based on detailed measurements

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Crack formation and development in reinforced concrete structures is a complex mechanism affected by a large number of factors. Typically, the estimation of the crack width as a function of the reinforce-ment stress state is based on simplified assumptions ...

2022

Multi-recycling of polypropylene fibre reinforced concrete: Influence of recycled aggregate properties on new concrete

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Herein, an investigation of multi-generational recyclability of polypropylene fibre reinforced concrete (PPFRC) was performed. The parent concretes were produced with 0 and 6 kg/m(3) of polypropylene fibres. After recycling, the obtained coarse recycled co ...

ELSEVIER SCI LTD2022

Multi-scale modeling of aggregate interlock phenomena in concrete

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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 ...

EPFL2021

Numerical generation and contact analysis of rough surfaces in concrete

Guillaume Anciaux, Mohit Pundir

2021

An interlocking approach for the rebar-to-concrete contact in bond

Aurelio Muttoni, Miguel Fernández Ruiz, Max Tirassa

The bond response of deformed bars in structural concrete is a phenomenon governed, to a large extent, by the rib-to-concrete contact and interaction, with contact forces depending on both material properties and the kinematics between the contact surfaces ...

ICE PUBLISHING2021

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