Civil and Environmental Engineering: Recent submissions
Now showing items 561-580 of 858
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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 ... -
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 ... -
Investigating the reasons for choosing a major among the engineering students in Qatar
( IEEE Computer Society , 2016 , Conference)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 ... -
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 ... -
Rheological evaluation of shortand long-term performance for warm mix asphalt (WMA) binders
( Kluwer Academic Publishers , 2016 , Article)Warm-mix asphalt (WMA) additives are environmentally friendly and cost-effective products that lower the viscosity of bituminous binders to allow reduction of mixing and compaction temperatures in asphalt mix production. ... -
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 ... -
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, ... -
Literature Review of Advancements in Adaptive Ramp Metering
( Elsevier , 2016 , Conference)Over a period spanning more than 30 years, several ramp metering algorithms have been developed to improve the operation of freeways. Many of these algorithms were deployed in several regions of the world, and field ... -
Investigation of Weather Impacts on Pedestrian Volumes
( Elsevier B.V. , 2016 , Conference)This study investigates the impacts of temporal and weather characteristics on pedestrian volumes in a hot climate condition. A major neighborhood located in an urban area in Doha, Qatar was chosen as a case study site. ... -
Effect of surface roughening on concrete/trm bond
( ISEC Press , 2017 , Conference)Textile reinforced mortar (TRM) is applied on the concrete surface with the aim of strengthening reinforced concrete structures. The performance of the strengthened structural system is directly related to the bond between ... -
Stadium vibration assessment for serviceability considering the vibration duration
( Canadian Society for Civil Engineering , 2017 , Conference)Vibration problems in grandstand structures have been getting more attention due to increasing slenderness of architectural components and the complexity of crowd loading for structural designers. The vibration serviceability ... -
Assessment of tire-pavement noise by using on-board sound intensity (Obsi) method in the state of qatar
( CRC Press/Balkema , 2017 , Conference)Tire-pavement noise is the dominant source of traffic noise especially at medium and high speeds. Thus, various transportation agencies and researchers are actively investigating for establishment of accurate test methods ... -
An inclusive framework for automatic safety evaluation of roundabouts
( Taylor and Francis Inc. , 2016 , Article)This article presents an approach for studying different aspects of traffic safety at roundabouts. An automated safety analysis framework is used to detect different types of traffic conflicts, as well as the inappropriate ... -
The influence of bus service satisfaction on university students' mode choice
( John Wiley and Sons Ltd , 2016 , Article)The purpose of this study was to determine the relationship between bus service satisfaction and the transport mode of choice among university students in Qatar. The degree of bus service satisfaction was collected directly ... -
Active vibration control of flexible cantilever plates using piezoelectric materials and artificial neural networks
( Academic Press , 2016 , Article)The study presented in this paper introduces a new intelligent methodology to mitigate the vibration response of flexible cantilever plates. The use of the piezoelectric sensor/actuator pairs for active control of plates ... -
Probabilistic analysis of fatigue life for asphalt mixtures using the viscoelastic continuum damage approach
( Elsevier Ltd , 2016 , Article)Fatigue cracking is one of the most serious distress modes affecting the serviceability of asphalt pavement structures. The inherent variability of asphaltic materials exhibited in fatigue test results, especially for ... -
Effect of mixing duration on flexural strength of multi walled carbon nanotubes cementitious composites
( Elsevier Ltd , 2016 , Article)This paper investigates the effect of mixing duration on the flexural strength of multi-walled carbon nanotubes (MWCNTs) reinforced cementitious composites. Each batch containing 0.03%, 0.08%, 0.15% or 0.25% MWCNT to cement ... -
Predicting the performance of multi-media filters using artificial neural networks
( IWA Publishing , 2016 , Article)The impact of flow rate and turbidity on the performance of multi-media filtration has been studied using an artificial neural network (ANN) based model. The ANN model was developed and tested based on experimental data ... -
Multiobjective optimization model for scheduling of construction projects under extreme weather
( Taylor and Francis Ltd. , 2016 , Article)Extreme weather significantly impacts construction schedules and costs and can be a source of schedule delays and budget overruns. A multi-objective optimization model, presented herein for the scheduling of construction ...