System ductility and redundancy of FRP structures with ductile adhesively-bonded joints

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To explore the governing mechanism underlying the tensile fatigue behavior of Ultra-high Performance Fiber Reinforced Cementitious Composites (UHPFRC), this study tested eight specimens using four advanced non-destructive measurement techniques. First, mag ...

A key component in developing atrial digital twins (ADT) - virtual representations of patients’ atria — is the accurate prescription of myocardial fibers which are essential for the tissue characterization. Due to the difficulty of reconstructing atrial fi ...

This study employs a Cohesive Zone Model to quantitatively evaluate the evolution of interfacial fracture parameters across various interface architectures. Employing the Material Extrusion (ME) type 3D printing method, sutural interfaces characterized by ...

In geological reservoirs, pore fluid chemistry can affect rock strength by inducing mineral dissolution, precipitation, and alteration, among other processes. Increasing pressure and temperature can shift deformation from localized to ductile, decreasing p ...

Most codes of practice adopt a semi probabilistic design approach for the dimensioning and assessment of structures. Accordingly, structural safety is ensured by performing limit state verifications using design values determined with adequately calibrated ...

Bending-active elastica beam is a structural configuration that is based on the elastic deformation of an initially straight beam. This deformation occurs when horizontal displacements are applied to a sliding support, causing the beam to bend into an arch ...

Ultra-high performance fiber reinforced cementitious composite (UHPFRC) is a modern class of cementitious building materials. Because of its superior mechanical properties and durability, it is increasingly used globally to rehabilitate, strengthen and mod ...

Reinforced concrete flat slabs consist of a continuous, thin concrete plate that rests on a grid of columns. The supporting surface of the columns is very small compared to the floor plan dimensions, leading to concentrations of shear forces near the colum ...

The present study focuses on enhancing the seismic resistance of existing masonry structures. To that aim, the use of fiber-reinforced polymer (FRP) strengthening serves to improve structural behaviour by attaching FRP strips to the masonry walls. Despite ...

Examining the performance of an existing bridge requires information on several aspects, such as design choices, material properties, and ongoing degradation processes. It often happens that some critical information is not available. The traditional appro ...

When two objects slide against each other, wear and friction occur at their interface. The accumulation of wear forms what is commonly referred to as a ``third-body''. Understanding third-body evolution has significant applications in industry, where contr ...

Fiber-polymer composites consist of a polymer matrix and reinforcing fibers made of various materials. These composites exhibit exceptional properties, such as a high strength-to-weight ratio and excellent corrosion resistance, which has led to their incre ...

In this thesis, we conduct a comprehensive investigation into structural instabilities of both elastic and magneto-elastic beams and shells, resulting in a creative proposal to design a programmable braille reader. Methodologically, we combine numerical si ...

In this paper, we present a new parameterization and optimization procedure for minimizing the weight of ribbed plates. The primary goal is to reduce embodied CO2 in concrete floors as part of the effort to diminish the carbon footprint of the construction ...

Mechanical resonators are widely used in sensors, transducers and optomechanical systems, where mechanical dissipation sets the ultimate limit to performance. Over the past 15 years, the quality factors in strained mechanical resonators have increased by f ...

Several boreholes were drilled for site comparison of a deep geological repository (DGR) in Northern Switzerland. The main target of the exploration program was the >100m thick Opalinus Clay, the designated host rock encountered at approximately 450 to 100 ...

This study deals with a comparison of the environmental performance of one-way slabs utilizing steel fibrereinforced limestone calcined clay cement (LC3) concrete with the control case of Ordinary Portland cement concrete. The experimental program constitu ...

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 ...

Surface-based inflatables are composed of two thin layers of nearly inextensible sheet material joined together along carefully selected fusing curves. During inflation, pressure forces separate the two sheets to maximize the enclosed volume. The fusing c ...

Biominerals are used by natural organisms for example as structural supports and optical sensors. They are produced from a limited number of elements and under ambient conditions. Nevertheless, they often possess excellent mechanical properties and sometim ...

System ductility and redundancy of FRP structures with ductile adhesively-bonded joints

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Deciphering tensile fatigue behavior of UHPFRC using magnetoscopy, DIC and acoustic emission

Defining myocardial fiber bundle architecture in atrial digital twins

QUANTIFICATION OF COHESIVE PROPERTIES IN BIOINSPIRED INTERFACES OF 3D-PRINTED HETEROGENEOUS MATERIALS

Fluid Chemistry Effect on Localized and Ductile Deformation of a Porous Sandstone

Influence of model uncertainty and long term deformations in action effects calculation in reinforced concrete structures

Short-term behavior of glass fiber-polymer composite bending-active elastica beam under service load application

Influence of fiber orientation on the tensile behavior of UHPFRC and reinforced UHPFRC under static and fatigue loadings

Shear and steel-fibre reinforcement for the punching resistance of flat slabs at internal and edge columns

Numerical Modeling of FRP-Strengthened Masonry Structures Using Equivalent Frame Models

A global framework for data-informed bridge examination

Modeling friction and wear using an adaptive discrete-continuum coupling

Two-dimensional quasi-static delamination in composite laminates under Mode-I and Mode-II conditions

Instabilities in Elastic and Magneto-Elastic Beams and Shells: from Shell Buckling to the Design of a Programmable Braille Reader

Mesh-based topology, shape and sizing optimization of ribbed plates

Ultrahigh-quality-factor micro- and nanomechanical resonators using dissipation dilution

Insights from an extensive triaxial testing campaign on a shale for comparative site characterization of a deep geological repository

Decarbonization potential of steel fibre-reinforced limestone calcined clay cement concrete one-way slabs

Experimental and analytical investigation of shear-reinforced concrete and dowel action

Computational Homogenization for Inverse Design of Surface-based Inflatables

Additive Manufacturing of Bioinspired Mineral-Based Composites