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Eugen Brühwiler

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Publications associées (297)

Heinz Isler’s twin shell roof in Deitingen – preservation of a ‘timeless wing beat’

Eugen Brühwiler

The Swiss shell pioneer Heinz Isler (1926–2009) fundamentally challenged established shell design methods by introducing original methods of form finding based on gravity. He realised elegant and pure shell forms in reinforced concrete, incarnating the per ...

2021

Model-Based Interpretation of Measurements for Fatigue Evaluation of Existing Reinforced Concrete Bridges

Eugen Brühwiler, Ian Smith, Sai Ganesh Sarvotham Pai, Imane Bayane

New methods are required for sustainable and economical management of bridges. Efficient management can be achieved by a detailed understanding of bridge behavior through monitoring and model-based data interpretation. This paper presents a methodology to ...

2021

Assessment of the Environmental Impacts of Bridge Designs Involving UHPFRC

Eugen Brühwiler, Numa Joy Bertola, Célia Marine Küpfer

Ultra-High-Performance Fibre-Reinforced Cementitious Composite (UHPFRC) has been developed to design lightweight structures and enhance existing designs. As the environmental footprint of the construction industry must be significantly reduced, the potenti ...

2021

Enhancement of riveted steel bridges by adding a trough in UHPFRC acting in composite action

Eugen Brühwiler

Riveted railway bridges are commonly considered as being “old”, having fatigue damage and are therefore replaced. While this practice should be by now obsolete by using novel engineering methods like structural monitoring, prolongation of the service durat ...

Taylor & Francis2021

Monitoringbasierter Ermüdungsnachweis der genieteten Stahlkonstruktion einer Bahnbrücke

Eugen Brühwiler, Philippe Schiltz

Die Ermüdungssicherheit einer Bahnbrücke in genieteter Stahlbauweise mit aufgesetztem Schottertrog, die seit 1897 in Betrieb ist, wurde anhand eines Monitorings nachgewiesen. Es wurde die Ermüdungsbeanspruchung durch 52.060 Züge während 414 Messtagen aufge ...

2021

Study on Mechanical Performance of Prestressed UHPFRC U-Beam Bridges

Eugen Brühwiler

The forms of U-shaped UHPFRC beams have not been investigated for the highway footbridge. Compared with the traditional section forms, the U-shaped UHPFRC beams can reduce the material consumption under the condition of providing the same bearing capacity. ...

2021

Renewal of a fixed railway track using UHPFRC - first use worldwide of UHPFRC in rail track construction, part 1

Eugen Brühwiler, Antonina Hochuli

This two-part article reports on the renewal and adaptation of the fixed railway track in the heavily frequented underground train station at Zurich Airport. The fixed track built in 1980 had reached the service duration predicted by the system provider an ...

2021

Investigation of fatigue damage in a RC deck slab due to moving loads through long-term monitoring of a road viaduct

Eugen Brühwiler, Imane Bayane

The behavior of reinforced-concrete structural elements under moving loads involves many complex parameters related to material properties, vehicle loading, environmental changes and structural response. It is difficult to generate the real conditions of l ...

Taylor & Francis2021

Fertigteile und die integralen Bauwerke – Fertigteilbau mit Stahl‐UHFB (UHPC)

Eugen Brühwiler

UHFB ist ein zementgebundener Ultra‐Hochleistungs‐Faserverbund‐Baustoff, mit dem robuste, unterhaltsarme Bauwerke mit vorteilhafter Wirtschaftlichkeit gebaut werden können. UHFB‐Bauwerke können zuverlässig bemessen und in der geforderten Qualität ausgeführ ...

Wilhelm Ernst & Sohn2021

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

Messen statt rechnen !

Eugen Brühwiler

2021

Bridge enhancement by means of the UHPFRC Technology: concepts and recent applications

Eugen Brühwiler

Existing bridges in reinforced concrete (RC) need to be enhanced in order to comply with utilization and safety requirements of future use, in particular for higher traffic loads. Such enhancements comprise strengthening to increase the structural resistan ...

Taylor & Francis2021

Risk-based methodology to assess bridge condition based on visual inspection

Eugen Brühwiler, Numa Joy Bertola

The visual inspection of existing infrastructure is a critical step for asset management, as the detection and quantification of damage must be useful to prioritise maintenance. In Switzerland, main inspections are made every five years for all road bridge ...

2021

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

Detection and Measurement of Matrix Discontinuities in UHPFRC by Means of Distributed Fiber Optics Sensing

Eugen Brühwiler, Bartlomiej Wojciech Sawicki, Antoine Bassil

Following the significant improvement in their properties during the last decade, Distributed Fiber Optics sensing (DFOs) techniques are nowadays implemented for industrial use in the context of Structural Health Monitoring (SHM). While these techniques ha ...

2020

An analytical inverse analysis to determine equi-biaxial tensile properties of strain-hardening UHPFRC from ring-on-ring test

Eugen Brühwiler, Emmanuel Denarié, Xiujiang Shen

The equi-biaxial tensile properties of strain-hardening UHPFRC are determined and investigated based on an original analytical inverse analysis of results from ring-on-ring tests. First, the analytical inverse analysis method is developed based on the elas ...

2020

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

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Eugen Brühwiler

Graph Chatbot

Heinz Isler’s twin shell roof in Deitingen – preservation of a ‘timeless wing beat’

Model-Based Interpretation of Measurements for Fatigue Evaluation of Existing Reinforced Concrete Bridges

Assessment of the Environmental Impacts of Bridge Designs Involving UHPFRC

Enhancement of riveted steel bridges by adding a trough in UHPFRC acting in composite action

Monitoringbasierter Ermüdungsnachweis der genieteten Stahlkonstruktion einer Bahnbrücke

Study on Mechanical Performance of Prestressed UHPFRC U-Beam Bridges

Renewal of a fixed railway track using UHPFRC - first use worldwide of UHPFRC in rail track construction, part 1

Investigation of fatigue damage in a RC deck slab due to moving loads through long-term monitoring of a road viaduct

Fertigteile und die integralen Bauwerke – Fertigteilbau mit Stahl‐UHFB (UHPC)

Fatigue resistance of reinforced UHPFRC beams

Messen statt rechnen !

Bridge enhancement by means of the UHPFRC Technology: concepts and recent applications

Risk-based methodology to assess bridge condition based on visual inspection

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

Detection and Measurement of Matrix Discontinuities in UHPFRC by Means of Distributed Fiber Optics Sensing

An analytical inverse analysis to determine equi-biaxial tensile properties of strain-hardening UHPFRC from ring-on-ring test

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

Equi-biaxial Flexural Fatigue Behavior of R-UHPFRC Circular Slab-like Specimens

Bridge enhancement by means of the UHPFRC Technology: concepts and recent applications

Agenda-setting: economic and environmental benefits of harnessing UHPFRC