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Eugen Brühwiler

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Publications associées (297)

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Contribution of R-UHPFRC Strengthening Layers to the Shear Resistance of RC Elements

Eugen Brühwiler, Maléna Bastien Masse

To strengthen a reinforced concrete (RC) slab with deficient shear resistance, it is proposed to add to the top of the slab a 25-50 mm thick layer of ultra-high performance fibre reinforced cement-based composite (UHPFRC) with small diameter rebars (R-UHPF ...

Iabse2016

Fatigue safety verification of a steel railway bridge using short term monitoring data

Eugen Brühwiler, Bartlomiej Wojciech Sawicki

The case study of the fatigue safety examination of the 120 years old steel riveted bridge carrying a single railway track on two main girders is presented. The overall assessment according to the Swiss Standard SIA 269 for existing structures indicated su ...

CRC PRESS-TAYLOR & FRANCIS GROUP2019

Thermo mechanical effects in Ultra-High Performance Fibre Reinforced Concretes (UHPFRC) at early age

Eugen Brühwiler, Emmanuel Denarié, Aicha Kamen, Hamid Sadouki

The extremely low permeability of Ultra-High Performance Fibre Reinforced Concretes (UHPFRC)associated to their outstanding mechanical properties make them especially suitable to locally "harden" reinforced concrete structures in critical zones subjected t ...

2008

Safety examination of existing concrete structures using the global resistance safety factor concept

Eugen Brühwiler

Current design procedures for structural concrete elements are based on member level (or local) safety checks, in the sense that the safety condition is evaluated at each cross-section individually. In the examination of existing structures, the exploitati ...

Elsevier2014

Tensile Behavior of UHPFRC Under Uniaxial And Biaxial Conditions

Eugen Brühwiler, Xiujiang Shen

The representative characterization of the tensile behavior of strain hardening Ultra High Performance Fiber Reinforced Cementitious Composite (UHPFRC) remains a challenge. Currently, the uniaxial methods (direct tensile test and 4-point bending test) are ...

2017

Structural response of hybrid "UHPFRC - concrete" members under bending"

Eugen Brühwiler, Emmanuel Denarié, Katrin Habel

Rehabilitation projects aim to enhance durability and to ensure structural safety. Ultra-High Per-formance Fibre Reinforced Concretes (UHPFRC) may fulfil these requirements when used as conservation materials. The structural response of composite UHPFRC-c ...

University Kassel2004

"Pocket-monitoring" for fatigue safety verification of a RC bridge deck slab

Eugen Brühwiler, Imane Bayane

The fatigue safety of the reinforced concrete (RC) deck slab of a sixty-year-old steel-concrete road viaduct is questioned based on the results of code-based "re-calculation". Since strengthening intervention would lead to major costs, detailed investigati ...

CRC PRESS-TAYLOR & FRANCIS GROUP2019

Influence of monitoring duration on measured traffic action effects on road bridges

Eugen Brühwiler, Bartlomiej Wojciech Sawicki

This paper analyses the influence of monitoring duration on the obtained results using two long term (2.5 years) monitoring campaigns. Two road bridges with different nature of traffic are considered: (a) a heavily loaded two-lane highway viaduct and (b) a ...

Taylor & Francis2021

Exploration of the fracture mechanism of UHPFRC by acoustic emission, DIC and magnetoscopy testing

Eugen Brühwiler, Jian Zhan

This paper investigates the fracture mechanism of ultra-high-performance fiber-reinforced cementitious composites (UHPFRC) using acoustic emission (AE), digital image correlation (DIC), and magnetoscopy testing. Four specimens undergo uniaxial tensile load ...

2025

Biaxial flexural fatigue behavior of strain-hardening UHPFRC thin slab elements

Eugen Brühwiler, Xiujiang Shen

The biaxial flexural fatigue behavior of thin slab elements made of strain-hardening Ultra High Performance Fiber Reinforced Cementitious Composite (UHPFRC) is investigated experimentally by means of the ring-on-ring test method. Fourteen flexural fatigue ...

2020

Quantification of influence of monitoring duration on measured traffic action effects on fatigue of RC deck slabs of road bridges

Eugen Brühwiler, Bartlomiej Wojciech Sawicki

The safety of existing bridges may be assessed using data from monitoring. The fatigue damage induced during observation period is extrapolated to the total service duration of a structure, and the reserve capacity is estimated. However, due to the randomn ...

2022

Cold stiffening of orthotropic steel decks by a composite UHPFRC layer

Eugen Brühwiler, Lan Duan

Cold stiffening of the plate of Orthotropic Steel Deck (OSD) of bridges can be achieved by adding a layer of Ultra-High Performance Fiber Reinforced Cementitious Composite material (UHPFRC) on top of the deck plate by composite design, thus expecting to re ...

ELSEVIER SCI LTD2020

Adding value to bridges by monitoring and UHPFRC technology

Eugen Brühwiler

Novel structural engineering methods and technologies are urgently needed to improve the performance of existing structures, such as bridges. Limited funding and ever increasing user demands challenge current technologies which are often invasive and not c ...

2019

Numerical simulation of the probability of corrosion initiation of RC elements made of reinforcing steel with improved corrosion performance

Eugen Brühwiler, David Conciatori

Steel reinforcing bars in concrete are protected from corrosion by a thin oxide film that is created on the steel surface in the highly alkaline environment of the concrete. Corrosion process begins once this oxide film is destroyed, for example, by chlori ...

2018

Application of Time Series Methods on Long-Term Structural Monitoring Data for Fatigue Analysis

Eugen Brühwiler, Bartlomiej Wojciech Sawicki

Structural health monitoring (SHM) can be employed to reduce uncertainties in different aspects of structural analysis such as: load modeling, crack development, corrosion rates, etc. Fatigue is one of the main degradation processes of structures that caus ...

2019

Fatigue resistance of reinforced UHPFRC beams

Eugen Brühwiler, Bartlomiej Wojciech Sawicki

This work investigates the fatigue resistance of reinforced Ultra High Performance Fiber Reinforced Cementitious composite (R-UHPFRC) beams with special consideration of steel rebar – UHPFRC interaction under tensile stresses due to bending. Experimental t ...

2021

Tomography Analysis Of Fiber Distribution And Orientation In Ultra High-Performance Fiber-Reinforced Composites With High-Fiber Dosages

Eugen Brühwiler, Emmanuel Denarié, Michel Kocher, John Wuest

2009

Rehabilitation of concrete structures using Ultra-High Performance Fibre Reinforced Concrete

Eugen Brühwiler, Emmanuel Denarié

An original concept is presented for the rehabilitation of concrete structures. The main idea is to use Ultra-High Performance Fibre Reinforced Concrete (UHPFRC) to “harden” those zones where the structure is exposed to severe environmental and high mechan ...

University of Kassel2008

Überführungsbauwerk der L3378 bei Fulda-Lehnerz - Erster Einsatz von UHFB in Deutschland im Straßenbrückenbau, Teil 1: Projektentwicklung und Baudurchführung

Eugen Brühwiler

2018

Le BFUP pour ajouter de la plus-value aux ouvrages en béton armé

Eugen Brühwiler, Philippe Schiltz

espazium2018