Civil and Environmental Engineering: المرسلات الحديثة
السجلات المعروضة 761 -- 780 من 851
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A simple method to assess walkability around metro stations
( Inderscience Enterprises Ltd. , 2018 , Conference Paper)The ability to walk or ride a bike safely to and from metro stations is essential to the success of any metro service, especially for car users switching to the service. The main purpose of this study is to develop and ... -
Evaluation of Transit Signal Priority Implementation for Bus Transit along a Major Arterial Using Microsimulation
( Elsevier B.V. , 2018 , Conference Paper)Transit Signal Priority (TSP) provides preferential treatment for public transit vehicles at signalized intersections when implemented. TSP is usually provided by interrupting the typical signal timings and extending the ... -
In-service video-vibration monitoring for identification of walking patterns in an office floor
( International Institute of Acoustics and Vibration, IIAV , 2018 , Conference Paper)Footfall-induced vibrations in office floors can create significant problems for the occupants and facility owners. Such vibrations cannot be modeled by traditional load models since the vibration response of a floor depends ... -
An assessment tool to evaluate complete streets in developing countries: The case of Qatar
( Inderscience Enterprises Ltd. , 2018 , Article)Complete streets refer to a simple and effective transportation policy to improve traffic safety and comfort for all users within urban areas. Car dependency is a major concern in developing countries. Endorsing complete ... -
Ground-borne vibration investigation by model-ling the tunnel-soil interaction using a finite element package
( International Institute of Acoustics and Vibration, IIAV , 2018 , Conference Paper)In 2013, Qatar Rail announced major rail projects that include an urban rail network for the city of Doha with lines running on the surface and underground which are expected to be in operation by 2020. Railway systems are ... -
Condition assessment model for sewer pipelines using fuzzy-based evidential reasoning
( Taylor and Francis Ltd. , 2018 , Article)A condition assessment model for gravity and pressurised sewer pipelines using Fuzzy Set Theory (FST), and Evidential Reasoning (ER) with the aid of Fuzzy Analytical Network Process (FANP) integrated with Monte-Carlo ... -
1-D CNNs for structural damage detection: Verification on a structural health monitoring benchmark data
( Elsevier B.V. , 2018 , Article)Structural damage detection has been an interdisciplinary area of interest for various engineering fields. While the available damage detection methods have been in the process of adapting machine learning concepts, most ... -
A microfluidic pore model to study the migration of fine particles in single-phase and multi-phase flows in porous media
( Springer Verlag , 2018 , Article)Fine particles within porous media may migrate with the flowing fluid and cause bridging or clogging in the pore space. Bridging and clogging reduce the flow permeability of porous media, which has a significant influence ... -
Discrete particle translation gradient concept to expose strain localisation in sheared granular materials using 3D experimental kinematic measurements
( ICE Publishing , 2018 , Article)It is well known that the constitutive behaviour of granular materials is influenced by strain localisation into zones of intensive shearing, known as shear bands. The failure mode of specimens tested under axisymmetric ... -
Observation based safety performance indexing method for construction industry – validation with SMEs
( Springer Verlag , 2018 , Article)There is an essential need for a systemized and objective site safety performance measurement method. The method also needs to cover the positive aspects of safety management perspectives considering that traditional methods ... -
Evaluation of red-light camera enforcement using traffic violations
( Periodical Offices of Chang- an University , 2018 , Article)The State of Qatar started to use red-light cameras in 2007 at key signalized intersections and the rate of installation has subsequently increased. In 2017, 19.2% of signalized intersections are equipped with red-light ... -
The dynamic interaction effects of railway tunnels: Crossrail and the Grand Central Recording Studios
( SAGE Publications Ltd , 2018 , Article)In cities around the world, underground railways offer an environmentally friendly solution to society's increasing demand for mass transport. However, they are often constructed close to sensitive buildings, where the ... -
Novel Framework for Vibration Serviceability Assessment of Stadium Grandstands Considering Durations of Vibrations
( American Society of Civil Engineers (ASCE) , 2018 , Article)Annoying vibrations in grandstand structures have been receiving more attention due to the increasing slenderness of the architectural components and the complexity of the crowd loading for engineers. The vibration ... -
Determining relative weights of sewer pipelines' components and defects
( American Society of Civil Engineers (ASCE) , 2018 , Article)Condition assessment models for sewer network components can be considered a tool for key personnel to make informed decisions regarding the required interventions on the basis of the current conditions of these components. ... -
Multiattribute Utility Theory Deployment in Sewer Defects Assessment
( American Society of Civil Engineers (ASCE) , 2018 , Article)Assessing the condition of sewer pipelines is a backbone process to plan for rehabilitation and maintenance work. The closed circuit-television (CCTV) method is the widely adopted method to record the inner condition of ... -
Fouling suppression in submerged membrane bioreactors by obstacle dielectrophoresis
( Elsevier B.V. , 2018 , Article)Submerged membrane bioreactor (MBR) is currently believed to be an efficient biological treatment for reusing and recovering wastewater to extenuate the ever increasing water scarcity crisis. To mitigate the main problem, ... -
Characteristics and mitigation strategies for cell phone use while driving among young drivers in Qatar
( Elsevier Ltd , 2018 , Article)There is no doubt that cell phone use while driving can lead to a higher probability of driver error, which increases the likelihood of more crashes. In Qatar, the high rate of cell phone use while driving among young ... -
Construction safety factors assessment through Frequency Adjusted Importance Index
( Elsevier B.V. , 2018 , Article)The construction industry is plagued by numerous accidents and fatalities due to improper implementation of safety measures. Globally, researchers have concluded that the construction environment is the most hazardous when ... -
Hybrid NSE/EB technique for shear strengthening of reinforced concrete beams using FRCM: Experimental study
( Elsevier Ltd , 2018 , Article)The externally bonded (EB) fabric reinforced cementitious matrix (FRCM) has successfully been used as a structural strengthening for various applications including flexural and shear strengthening of reinforced concrete ... -
Post-repair flexural performance of corrosion-damaged beams rehabilitated with fabric-reinforced cementitious matrix (FRCM)
( Elsevier Ltd , 2018 , Article)This paper presents the results of a research program examining the post-repair flexural response of corrosion-damaged reinforced concrete (RC) beams repaired with different FRCM systems. A total of nine RC beams were ...
