Civil and Environmental Engineering: المرسلات الحديثة
السجلات المعروضة 801 -- 820 من 851
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Wireless and real-time structural damage detection: A novel decentralized method for wireless sensor networks
( Elsevier , 2018 , Article)© 2018 Elsevier Ltd Being an alternative to conventional wired sensors, wireless sensor networks (WSNs) are extensively used in Structural Health Monitoring (SHM) applications. Most of the Structural Damage Detection (SDD) ... -
Life cycle cost analysis of structural concrete using seawater, recycled concrete aggregate, and GFRP reinforcement
( Elsevier , 2018 , Article)© 2018 Elsevier Ltd Using seawater and recycled concrete aggregate (RCA) in a concrete mix is potentially advantageous from a sustainability perspective. However, the high chloride levels expected in such a case demands ... -
Nano-scale moisture damage evaluation of carbon nanotube-modified asphalt
( Elsevier , 2018 , Article)© 2018 Elsevier Ltd In addition to polymer modification, the use of nanomaterials to improve different asphalt properties has recently been found to be beneficial. However, the potential of nanomaterials in pavement ... -
Estimating Turning Movements at Signalized Intersections Using Artificial Neural Networks
( Institute of Electrical and Electronics Engineers (IEEE) , 2018 , Article)Intersection turning movements' counts are critical input data for traffic studies, analysis, and forecasting. These types of counts are often used to analyze operational performance of signalized intersections under ... -
Understanding the association between cell phone use while driving and seat belt noncompliance in Qatar using logit models
( Taylor & Francis , 2018 , Article)Cell phone use while driving can distract the driver and can lead to serious traffic safety problems. Similarly, not using a seat belt can increase the risk of injuries and/or fatalities in the event of a crash. The objective ... -
Self-Report and Observational Assessment and Investigation of Seat Belt Use Among Young Drivers and Passengers: The Case of Qatar
( Springer Berlin Heidelberg , 2018 , Article)Young drivers have the lowest rate of seat belt use among all age groups. The objective of this study was to investigate and assess the seat belt use behavior of young drivers by means of various methods, including ... -
Analysis of Pedestrian Crossing Speeds at Signalized Intersections in Qatar
( Springer Berlin Heidelberg , 2018 , Article)Crossing speeds at signalized crossings are crucial and necessary for design purposes. The purpose of this study was to investigate the pedestrian crossing speeds at signalized intersections in Qatar. The crossing speeds ... -
Assessing the impact of converting roundabouts to traffic signals on vehicle emissions along an urban arterial corridor in Qatar.
( Taylor & Francis , 2018 , Article)The type of control at intersections has a major effect on the operation of any urban corridor. Different pre-defined procedures are available to calculate some of the main operational characteristics, such as capacity, ... -
Effect of using Cement Kiln Dust as a nano-material on the strength of cement mortars
( Springer Verlag , 2017 , Article)In this experimental study, the effects of using nano-sized Cement Kiln Dust (CKD) as a partial replacement for Ordinary Portland Cement (OPC) on the strength of cement mortars is investigated. The CKD was milled up to 4 ... -
Generalized spatial aliasing solution for the dispersion analysis of infinitely periodic multilayered composites using the finite element method
( American Society of Mechanical Engineers , 2017 , Article)The finite element (FE) method offers an efficient framework to investigate the evolution of phononic crystals which possess materials or geometric nonlinearity subject to external loading. Despite its superior efficiency, ... -
Recycling of Local Qatar’s Steel Slag and Gravel Deposits in Road Construction
( OMICS International , 2014 , Article)Every year, the State of Qatar generates about 400,000 tons of steel slag and another 500,000 tons of gravel as a result of steel manufacturing and washing sand, respectively. The two materials (by-products) are not fully ... -
The Effect of Aluminium Dross on Mechanical and Corrosion Properties of Concrete
( OMICS International , 2014 , Article)It is the objective of this project is to investigate the mechanical and chemical behaviour of new concrete type obtained by adding aluminium dross which is an impure aluminium mixture that results from metals melting and ... -
Evaluation of Combined Excavation Waste and Reclaimed Asphalt Pavement Aggregates for Use in Road Bases and Sub-bases
( OMICS International , 2014 , Article)More than 15 million tons of aggregates are imported each year to Qatar from neighbouring countries. Large quantities of waste materials (around 20 million tons/year) from excavation waste, demolition rubble and reclaimed ... -
Evidential Reasoning–Based Condition Assessment Model for Offshore Gas Pipelines
( American Society of Civil Engineers (ASCE) , 2016 , Article)Condition assessment of oil and gas pipelines is a significant component in pipeline operations and maintenance. Such assessments are used to ensure better decisions for repair and/or replacement to reduce pipelines’ failure ... -
Optimizing resource utilization during the recovery of civil infrastructure systems
( American Society of Civil Engineers (ASCE) , 2010 , Article)Postdisaster recovery efforts of damaged civil infrastructure systems need to be optimized in order to alleviate the adverse impacts of natural disasters on local societies and economies. This paper presents an innovative ... -
Developing a framework for pre-design process simulation for green buildings
( American Society of Civil Engineers (ASCE) , 2012 , Conference Paper)There is an increasing awareness towards the construction of sustainable green buildings. Green rating systems worldwide, such as LEED, are providing standards to aid in the construction of green building. During the ... -
A multi-objective genetic algorithm model for time-cost trade-off analysis of construction projects
( Civil-Comp Press , 2006 , Conference Paper)Time-cost trade-off analysis is one of the most important aspects of construction project planning and control. There are trade-offs between time and cost to complete the activities of a project. Existing methods for ... -
Planning post-disaster reconstruction efforts of damaged transportation networks
( American Society of Civil Engineers (ASCE) , 2009 , Conference Paper)Planning, Reconstruction Efforts, Transportation, Network Analysis. Planning the reconstruction efforts of damaged transportation networks in the aftermath of natural disasters is a challenging task due to the limited ... -
Review of existing transportation sustainability initiatives and their applicability to Qatar
( American Society of Civil Engineers (ASCE) , 2012 , Conference Paper)Sustainable development is Qatar's main national goal. The fact that Qatar has secured the World Cup bid for 2022 will make it the first Arab country to host the world cup. This honor and Qatar's plan to advance its ... -
Developing a framework for calculating LCA normalization factors for the State of Qatar
( Canadian Society for Civil Engineering , 2013 , Conference Paper)Life Cycle Analysis (LCA) has recently emerged as a powerful tool for assessing the environmental impact of materials, systems and processes used in building construction. With its ability to clarify the ambiguities of the ...
