Publications de Ngoc Thanh Trinh

Un nouveau pont ferroviaire entièrement en CFUP – Pont de l’Aiguillon

Eugen Brühwiler, Enrique García, Ngoc Thanh Trinh, Numa Joy Bertola

Pont de l'Aiguillon, le premier pont ferroviaire avec une auge et à voie étroite du monde entièrement en composite cimentaire fibré ultra performance (CFUP), selon les connaissances des auteurs, a été réalisé et mis en service en 2021 sur la ligne ferrovia ...

2023

Experimental investigation of a keying joint cast in UHPFRC between precast UHPFRC bridge elements

Eugen Brühwiler, Enrique García, Ngoc Thanh Trinh, Numa Joy Bertola

Ultra High-Performance Fiber-Reinforced Cementitious Composite (UHPFRC) is increasingly popular for new structural designs thanks to its high resistance both in tension and compression. When UHPFRC is complemented with steel reinforcing bars or prestressin ...

2022

Short Span UHPFRC Railway Bridge in Switzerland - From Design to Implementation

Eugen Brühwiler, Enrique García, Ngoc Thanh Trinh, Numa Joy Bertola

This paper presents the design and construction of the Aiguillon railway bridge in Switzerland, one of the first railway bridges completely made of Ultra-High-Performance Fiber-Reinforced Cementitious Composite (UHPFRC). The length and width of the trough ...

IABSE2022

Methodologies for predicting natural frequency variation of a suspension bridge

Ian Smith, Irwanda Laory, Ngoc Thanh Trinh

In vibration-based structural health monitoring, changes in the natural frequency of a structure are used to identify changes in the structural conditions due to damage and deterioration. However, natural frequency values also vary with changes in environm ...

Elsevier2014

Combined Model-Free Data-Interpretation Methodologies for Damage Detection during Continuous Monitoring of Structures

Ian Smith, Daniele Posenato, Irwanda Laory, Ngoc Thanh Trinh

Despite the recent advances in sensor technologies and data-acquisition systems, interpreting measurement data for structural monitoring remains a challenge. Furthermore, because of the complexity of the structures, materials used, and uncertain environmen ...

American Society of Civil Engineers2013

A model-free data-interpretation approach for long-term monitoring of bridges

Ian Smith, Irwanda Laory, Ngoc Thanh Trinh

This paper presents a new model-free data-interpretation approach for damage detection of bridges using long-term monitoring data. The approach combines two model-free methods: Moving Principal Component Analysis (MPCA) and Robust Regression Analysis (RRA) ...

2012

A Hybrid Model-Free Data-Interpretation Approach For Damage Detection During Continuous Civil-Infrastructure Monitoring

Ian Smith, Irwanda Laory, Ngoc Thanh Trinh

A hard challenge associated with infrastructure monitoring is to extract useful information from large amounts of measurement data in order to detect changes in structures. This paper presents a hybrid model-free approach that combines two model-free metho ...

2012

An improved substructural identification strategy for large structural systems

Ngoc Thanh Trinh

To identify physical parameters of a large structural system, the computational challenges in dealing with a large number of unknowns are formidable. A divide-and-conquer approach is often required to partition the structural system into many substructures ...

Wiley-Blackwell2012

Measurement System Configuration for Damage Identification of Continuously Monitored Structures

Ian Smith, Nizar Bel Hadj Ali, Irwanda Laory, Ngoc Thanh Trinh

Measurement system configuration is an important task in structural health monitoring in that decisions influence the performance of monitoring systems. This task is generally performed using only engineering judgment and experience. Such approach may resu ...

American Society of Civil Engineers2012

Effects of service loading on the behaviour of a suspension bridge

Ian Smith, Irwanda Laory, Ngoc Thanh Trinh

In order to achieve reliable information about deterioration, it is important to differentiate between changes in structural behaviour due to service loading (temperature, wind and traffic) and changes resulting from damage when interpreting measurement da ...

2011

System identification of offshore structures by genetic algorithms

Ngoc Thanh Trinh

2011

Vibration-Based Parameter Identification of Large Scale Offshore Structures

Ngoc Thanh Trinh

Structural health monitoring has increasingly become a hot research topic for engineering structures. While much improvement has been made in advances of sensing, communication and computer technologies, identification of structural parameters based on vib ...

2011

Structural damage detection using substructure identification: experimental verification study

Ngoc Thanh Trinh

Research Publishing Services2011

Designing measurement systems for continuous monitoring of structures

Ian Smith, Nizar Bel Hadj Ali, Irwanda Laory, Ngoc Thanh Trinh

A good measurement system improves capability to identify the behavior of civil engineering structures. This paper presents a measurement-system design approach for continuous monitoring of structures. This approach performs two tasks: (1) determining the ...

2011

Evaluating two model-free data interpretation methods for measurements that are influenced by temperature

Ian Smith, Irwanda Laory, Ngoc Thanh Trinh

Interpreting measurement data to extract meaningful information for damage detection is a challenge for continuous monitoring of structures. This paper presents an evaluation of two model-free data interpretation methods: moving principal component analysi ...

Elsevier2011

Performance of two model-free data interpretation methods for continuous monitoring of structures under environmental variations

Ian Smith, Irwanda Laory, Ngoc Thanh Trinh

Interpreting measurement data from continuous monitoring of civil structures for structural health monitoring (SHM) is a challenging task. This task is even more difficult when measurement data are influenced by environmental variations, such as temperatur ...

2011

Measurement system design for damage detection using model-free data interpretation methods

Ian Smith, Nizar Bel Hadj Ali, Irwanda Laory, Ngoc Thanh Trinh

Designing a measurement system is usually performed using only engineering judgment and experience. Thus, it may result in either a large amount of redundant data or insufficient data leading to ambiguous results. This paper presents a systematic approach ...

2011