Publications de Eugen Brühwiler

Transforming the Static System of Prestressed Concrete Bridges Using UHPFRC

he rehabilitation of existing bridges should always be the first investigated solution because it usually reduces construction costs, environmental impacts, and traffic disruption. Nonetheless, bridges are too often replaced due to the lack of effective st ...

American Society of Civil Engineers (ASCE)2025

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

Eugen Brühwiler, Alain Nussbaumer, Jian Zhan

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 ...

2025

Framework to engineer existing bridges for sustainability, validated by applications

Eugen Brühwiler

A framework to engineer existing structures, in particular bridges, and novel engineering methods and technologies are presented to extend the service duration of existing bridges while meeting the requirements of modern use. Accurate determination of brid ...

TAYLOR & FRANCIS LTD2025

Ertüchtigung von Stahlbetonbrücken mit UHFB – Erfahrungen aus 400+ Anwendungen = [Renewal of reinforced concrete bridges by means of UHPFRC - Experiences from 400+ applications]

Eugen Brühwiler

Renewal of reinforced concrete bridges by means of UHPFRC – Experiences from 400+ applications. Ultra-High-Performance Fiber-Reinforced Cementitious composite UHPFRC is a novel building material that is characterized by high mechanical strength and durabil ...

2025

Use of UHPFRC in Fixed Railway Track Construction: Conceptual Design and Validation

Eugen Brühwiler, Antonina Hochuli

This paper outlines concepts using ultrahigh-performance fiber-reinforced composite (UHPFRC) to address structural deficiencies in modern fixed railway track systems of concrete, focusing on enhancing structural safety, durability, and fatigue resistance. ...

American Society of Civil Engineers (ASCE)2025

Combining passive and active ultrasonic stress wave monitoring for the characterization of the early-age properties of a UHPFRC beam

Eugen Brühwiler, Numa Joy Bertola

This article focuses on the characterization of the early-age properties of Ultra-High-Performance Fiber-Reinforced Cementitious Composite (UHPFRC), which is becoming popular for designing lightweight and durable structures. Due to the large proportion of ...

2025

About the process of technology transfer from research to engineering practice

Eugen Brühwiler

The transfer of technology from research to structural engineering and construction practice is illustrated using two cases of the implementation of innovative engineering methods and technologies in the renewal and 'upcycling' of existing bridges, namely ...

Informa UK Limited2025

High cycle tensile fatigue behavior of steel rebar reinforced - UHPFRC at high R-ratio

Eugen Brühwiler, Alain Nussbaumer, Jian Zhan

This paper investigates the high cycle tensile fatigue behavior of steel rebar reinforced − UHPFRC elements, at a fatigue load ratio, i.e., R-ratio of 0.3, representative for structural applications. Prior to testing, magnetoscopy is conducted on each spec ...

2025

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

A global framework for data-informed bridge examination

Eugen Brühwiler, Numa Joy Bertola, Philippe Schiltz

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 ...

2024