Articles

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Dynamic Effect on Vibration Signatures of Cracks in Railway Prestressed Concrete Sleepers (with S. Kaewunruen), Faculty of Engineering - Papers (2008)
In general, cracks in structural members indicate a level of serviceability of the engineering structures....
 

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Probabilistic Impact Fractures of Railway Prestressed Concrete Sleepers (with S. Kaewunruen), Faculty of Engineering - Papers (2008)
Cracks in railway prestressed concrete sleepers are often caused by the infrequent but high magnitude...
 

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Experimental and Numerical Studies of Railway Prestressed Concrete Sleepers Under Static and Impact Loads (with S. Kaewunruen), Faculty of Engineering - Papers (2007)
The present paper deals with experimental and numerical investigations of the static and impact behaviours...
 

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Non-destructive testing (NDT): A tool for dynamic health monitoring of railway track structures (with S. Kaewunruen), Faculty of Engineering - Papers (2006)
The applications of NDT are varied and recently, an NDT technique known as ‘modal analysis’...
 

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Modelling blast loads on buildings in complex city geometries (with T. A. Rose), Faculty of Engineering - Papers (2005)
This paper is concerned with an accurate prediction of the effects of adjacent structures on...
 

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Determination of dynamic properties of rail pads using an instrumented hammer impact technique (with S. Kaewunruen), Faculty of Engineering - Papers (2005)
The repeated impact of train wheels over sleepers can reduce the lifetime of a sleeper...
 

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A Review of Methods for Predicting Bomb Blast Effects on Buildings, Faculty of Engineering - Papers (2003)
In recent years, the explosive devices have become the weapon of choice for the majority...
 

Presentations

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Impact damage classification of railway prestressed concrete sleepers (with S. Kaewunruen), Faculty of Engineering - Papers (2008)

Commonly, railway tracks suffer with the extreme loading conditions, which are attributed to the train...

 

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An Experimental Evaluation of the Attenuation Effect of Rail Pad on Flexural Behaviour of Railway Concrete Sleeper under Severe Impact Loads (with S. Kaewunruen), Faculty of Engineering - Papers (2008)
Interactions between the wheel of rolling stocks and the rail often generate interfacial impact forces...
 

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Reliability Assessment of Railway Prestressed Concrete Sleepers (with S. Kaewunruen), Faculty of Engineering - Papers (2008)
This paper carries out the assessment of reliability indices of railway prestressed concrete sleepers designed...
 

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Conversion of AS1085.14 for prestressed concrete sleeepers to limit states design format (with M. H. Murray and S. Kaewunruen), Faculty of Engineering - Papers (2008)
Premature cracking of prestressed concrete sleepers has been found in railway tracks. The major cause...
 

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Response and Prediction of Dymanic Characteristics of Worn Rail Pads Under Static Preloads (with S. Kaewunruen), Faculty of Engineering - Papers (2007)
Rail pads are a major component of ballasted railway tracks. It helps attenuate the excessive...
 

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Simulating shock loads in railway track environments: experimental studies (with S. Kaewunruen), Faculty of Engineering - Papers (2007)
The nature of loading conditions on railway tracks is mostly of regular loading patterns due...
 

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Resistance of railway concrete sleepers to impact loading (with S. Kaewunruen), Faculty of Engineering - Papers (2007)
Railway sleeper is a main part of railway track structures. Its role is to distribute...
 

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Experimental determination of energy absorption capacity for prestressed concrete sleepers under impact loads (with S. Kaewunruen), Faculty of Engineering - Papers (2007)
Extreme loading conditions on railway tracks may include dynamic impact loads with very high magnitude...
 

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Low-velocity impact analysis of railway prestressed concrete sleepers (with S. Kaewunruen), Faculty of Engineering - Papers (2007)
Railway prestressed concrete sleepers are required to resist repetitive impact stress waves from dynamic interactions...
 

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Influence of voids and pockets on vibration characteristics of railway concrete sleepers (with S. Kaewunruen), Faculty of Engineering - Papers (2007)
Railway prestressed concrete sleeper or so-called "concrete tie" is an important component of railway track...
 

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Investigations of static and dynamic performance of railway prestressed concrete sleepers (with S. Kaewunruen), Faculty of Engineering - Papers (2007)
Ever increasing axle loads and train speeds are pressing track owners to extract as much...
 

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Relationships between wheel/rail interface impact and railseat flexural moment of railway prestressed concrete sleepers (with S. Kaewunruen), Faculty of Engineering - Papers (2007)
Wheel/rail interactions often generate interface impact forces to railway tracks due to the wheel/rail abnormalities....
 

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Impact resistance of reinforced concrete columns: experimental studies and design considerations (with S. Kaewunruen), Faculty of Engineering - Papers (2006)
There are instances where reinforced concrete structures designed for static loads are subjected to accidental...
 

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Laboratory measurements of dynamic properties of rail pads under incremental preload (with S. Kaewunruen), Faculty of Engineering - Papers (2006)
Rail pad is an important component in ballasted railway track. Its main function is to...
 

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Post-failure mechanism and residual load-carrying capacity of railway prestressed concrete sleeper under hogging moment (with S. Kaewunruen), Faculty of Engineering - Papers (2006)
Failure mechanisms of engineering structures to various loadings are the key indicators for structural engineers...
 

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Non-destructive evaluation for dynamic integrity of railway track structure (with S. Kaewunruen), Faculty of Engineering - Papers (2006)
In-field testing for structural integrity using dynamic non-destructive investigation of ballasted railway track structures was...
 

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Nonlinear finite element modelling of railway prestressed concrete sleeper (with S. Kaewunruen), Faculty of Engineering - Papers (2006)
Three-dimensional nonlinear finite element model of railway prestressed concrete sleeper has been developed in this...
 

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Rotational capacity of railway prestressed concrete sleeper under static hogging moment (with S. Kaewunruen), Faculty of Engineering - Papers (2006)
Railway prestressed concrete sleeper is an imperative component of ballasted railway tracks. Its main function...
 

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Deterioration of dynamic rail pad characteristics (with S. Kaewunruen and K. Ikaunieks), Faculty of Engineering - Papers (2006)
Impact loads applied to concrete sleepers, either due to the wheel flats of a train...
 

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Integrated field measurements and track simulations for condition assessment of railway track (with S. Kaewunruen), Faculty of Engineering - Papers (2005)
Assessment of condition of railway track is crucial for track design, repair and effective maintenance...
 

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Monitoring structural degradation of rail pads in laboratory using impact excitation technique (with S. Kaewunruen), Faculty of Engineering - Papers (2005)
In ballasted railway track, the deterioration of a sleeper and ballast support usually occurs due...
 

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Application of Experimental Modal Testing for Estimating Dynamic Properties of Structural Components (with S. Kaewunruen), Faculty of Engineering - Papers (2005)
In this paper, experimental modal testing is used in relation to solving problems in railway...
 

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Investigation of vibration characteristics of prestressed concrete sleepers in free-free and in-situ conditions (with S. Kaewunruen), Faculty of Engineering - Papers (2005)
This paper presents results of an experimental modal analysis of prestressed concrete sleepers in both...
 

Other

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Optimisation of the Bolt Profile Configuration for Load Transfer Enhancement (with N. Aziz, H. Jalalifar, S. Sinclair, and A. Green), Coal Operators' Conference (2008)
Both bolt profile shape and profile spacing (rib spacing) have been found to influence the...