Civil and Environmental Engineering: Recent submissions
Now showing items 541-560 of 858
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Dynamic Testing of a Laboratory Stadium Structure
( American Society of Civil Engineers (ASCE) , 2016 , Conference)Studies with large physical models are a vital link between the theoretical work and field applications provided that these models are designed to represent real structures where various types and levels of uncertainties ... -
Some observations on soil-pipe interface shear strength in direct shear under low effective normal stresses and large displacements
( American Society of Mechanical Engineers (ASME) , 2016 , Conference)Experimental work is undertaken at the University of British Columbia (UBC) to study the soil-pipe interface shear strength at levels of shear displacements and effective normal stresses typically encountered in offshore ... -
Improving signalised intersections performance for better built environment
( Inderscience Publishers , 2016 , Conference)Traffic delays are still a significant part of the daily commutes in most urban areas despite significant investments in infrastructure. Policy, design and operational measures are usually taken to reduce emissions from ... -
Genetic algorithm use for internally resonating lattice optimization: Case of a beam-like metastructure
( Springer New York LLC , 2016 , Conference)Metamaterial inspired structures, or metastructures, are structural members that incorporate periodic or nonperiodic inserts. Recently, a new class of metastructures has been introduced which feature chiral lattice inserts. ... -
Multi-tier method using infrared photography and GPR to detect and locate water leaks
( Elsevier , 2016 , Article Review)This paper presents newly developed method for detecting and locating leaks in water distribution networks utilizing two detection techniques; ground penetrating radar (GPR) and infrared photography (IR). The experimental ... -
A new indirect tensile testing setup to determine stiffness properties of lightly stabilised granular materials
( Australian Geomechanics Society , 2016 , Conference)This paper presents a new indirect diametral tensile (IDT) testing setup for determining the stiffness modulus and Poisson's ratio for the characterisation of lightly stabilized granular base materials required for pavement ... -
The effect of end bearings on the dynamic behavior of Floating-Slab tracks with discrete Slab Units
( International Institute of Acoustics and Vibrations , 2016 , Conference)Floating-slab tracks are known as one of the most effective means for reducing ground-borne vibration from railways. For such tracks, the rails are sitting on the top of a slab which is supported via resilient elements ... -
Characterization of lightly stabilized granular base materials using monotonic and cyclic load flexural testing
( American Society of Civil Engineers (ASCE) , 2016 , Article)Lightly cementitiously stabilized granular materials are generally characterized by their tensile properties and this paper examines the use of monotonic and cyclic load flexural testing to determine the tensile characteristics ... -
Time Delay and Cost Overrun in Qatari Public Construction Projects
( Elsevier Ltd , 2016 , Conference)This paper investigated cost overruns and delays in Qatari public construction projects. An extensive review of regional and international publications was conducted to get a better understanding of the problem and the ... -
Condition assessment of sewer pipelines using multi attribute utility theory (MAUT)
( International Society for Trenchless Technology , 2016 , Conference)Many municipalities rely on the interpretation of Closed Circuit Television (CCTV) inspection reports to arrive to a condition assessment grade for the inspected sewer pipelines. The grades stand as a key for decision ... -
Automated detection of anomalies in sewer closed circuit television videos using proportional data modeling
( International Society for Trenchless Technology , 2016 , Conference)Sewer pipeline condition information is usually collected using closed circuit television (CCTV). Moreover, in order to evaluate the condition of pipeline, data should be processed by a certified operator, which is time ... -
Discrete event simulation for sustainable batch production in food processing
( Dime University of Genoa , 2016 , Conference)In a world faced with depleting resources and hazardous biodegradable food wastes, an efficient planning for the food processing operation is crucial to avoid the adverse potential impact of excess food production. This ... -
Sewer Inspection Prioritization Using a Defect-Based Bayesian Belief Network Model
( American Society of Civil Engineers (ASCE) , 2016 , Conference)In order to successfully implement an asset management program, an accurate and reliable deterioration model for assets should be available. Deterioration models are considered as the basis for predicting and prioritizing ... -
Fatigue Behaviour of Lightly Stabilised Granular Materials from Flexural and Indirect Diametral Tensile Testing
( American Society of Civil Engineers (ASCE) , 2016 , Conference)The fatigue characteristic of a lightly stabilized granular material under traffic loading is an important consideration for the design of a pavement containing such material. This paper presents the evaluation of fatigue ... -
Nonparametric structural damage detection algorithm for ambient vibration response: Utilizing artificial neural networks and self-organizing maps
( American Society of Civil Engineers (ASCE) , 2016 , Article)This study presentes a new nonparametric structural damage detection algorithm that integrates self-organizing maps with a pattern-recognition neural network to quantify and locate structural damage. In this algorithm, ... -
Self-organizing maps for structural damage detection: A novel unsupervised vibration-based algorithm
( American Society of Civil Engineers (ASCE) , 2016 , Article)The study presented in this paper is arguably the first study to use a self-organizing map (SOM) for global structural damage detection. A novel unsupervised vibration-based damage detection algorithm is introduced using ... -
Progressive image stitching algorithm for vision based automated inspection
( IEEE Computer Society , 2016 , Conference)The increasing number of skyscrapers along with the large number of tall bridges throughout the world also increases the demand of a robust, automated and remotely controlled health monitoring system for civil architectures. ... -
Strength optimisation of mortar with CNTs and nanoclays
( Thomas Telford Services Ltd , 2016 , Article)This study explores the use of carbon nanotubes (CNTs) and nanoclays in cement mortars. The paper presents modelling and optimisation of the compressive and flexural strengths of cement mortars containing CNTs and the ... -
State-of-the-Art Review on Sustainable Design and Construction of Quieter Pavements-Part 2: Factors Affecting Tire-Pavement Noise and Prediction Models
( MDPI AG , 2016 , Article Review)Traffic noise is a combination of noises produced from a number of sources. Of all the traffic noise sources, tire-pavement noise, which is emitted as a result of the interaction of rolling,slipping, or dragging tires and ... -
Determination of stiffness modulus and poisson's ratio of lightly stabilized granular materials from indirect diametral tensile testing
( ASTM International , 2016 , Article)Lightly cementitiously stabilized granular materials are generally characterised by their tensile properties that are required for the analysis and design of a pavement structure involving these materials. Tensile properties ...
