Civil and Environmental Engineering: Recent submissions
Now showing items 541-560 of 851
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Fatigue Behaviour of Lightly Stabilised Granular Materials from Flexural and Indirect Diametral Tensile Testing
( American Society of Civil Engineers (ASCE) , 2016 , Conference Paper)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 ... -
Automated detection of anomalies in sewer closed circuit television videos using proportional data modeling
( International Society for Trenchless Technology , 2016 , Conference Paper)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 Paper)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 ... -
Condition assessment of sewer pipelines using multi attribute utility theory (MAUT)
( International Society for Trenchless Technology , 2016 , Conference Paper)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 ... -
A new indirect tensile testing setup to determine stiffness properties of lightly stabilised granular materials
( Australian Geomechanics Society , 2016 , Conference Paper)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 ... -
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 Paper)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 ... -
Time Delay and Cost Overrun in Qatari Public Construction Projects
( Elsevier Ltd , 2016 , Conference Paper)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 ... -
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 ... -
Optimization of chiral lattice based metastructures for broadband vibration suppression using genetic algorithms
( Academic Press , 2016 , Article)One of the major challenges in civil, mechanical, and aerospace engineering is to develop vibration suppression systems with high efficiency and low cost. Recent studies have shown that high damping performance at broadband ... -
Investigating the reasons for choosing a major among the engineering students in Qatar
( IEEE Computer Society , 2016 , Conference Paper)The selection of an engineering major is a decision that can influence the career of young students, and possibly their entire fife. The purpose of this study is to understand the factors affecting the selection of an ... -
Assessment of the taxi service in Doha
( Elsevier Ltd , 2016 , Article)This research focuses on passengers' satisfaction of the taxi service in Doha, Qatar. Qatar is a rich developing country where taxis are widely considered as a public transportation service due to the limited use of the ... -
The link between high performance work practices and organizational performance: Empirically validating the conceptualization of HPWP according to the AMO model
( Emerald Group Publishing Ltd. , 2016 , Article)Purpose � The purpose of this paper is to better understand the relationship between high-performance work practices (HPWP) and organizational performance through a multi-dimensional model of the relationship between HPWP ... -
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 ... -
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 ... -
Progressive image stitching algorithm for vision based automated inspection
( IEEE Computer Society , 2016 , Conference Paper)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. ... -
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 ... -
Reducing railway-induced ground-borne vibration by using open trenches and soft-filled barriers
( Elsevier Ltd , 2016 , Article)A trench can act as a barrier to ground vibration and is a potential mitigation measure for low frequency vibration induced by surface railways. However, to be effective at very low frequencies the depth required becomes ... -
Diaphragm shear strength and stiffness of aluminum roof panel assemblies
( Elsevier Ltd , 2016 , Article)A diaphragm is an assembly of planar structural elements interconnected to each other to provide in-plane bracing system and transmit in-plane forces. The diaphragm geometry, supporting frame, type of the panel profiles, ... -
Fatigue characterization of lightly cementitiously stabilized granular base materials using flexural testing
( American Society of Civil Engineers (ASCE) , 2016 , Article)The fatigue characteristics of a lightly stabilized granular material under traffic loading are important considerations for the design of a pavement containing such material. This paper examines the use of flexural testing ...
