Civil and Environmental Engineering: المرسلات الحديثة
السجلات المعروضة 641 -- 660 من 860
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Microstructure investigation of seawater vs. Freshwater cement pastes
( ISEC Press , 2019 , Conference)Recently, seawater has emerged as viable mixing water for concrete, especially in the case of non-reinforced concrete applications or with the use of non-corrosive reinforcement. Previous studies concerning seawater-mixed ... -
Revealing the hidden features in traffic prediction via entity embedding
( Springer London , 2019 , Article)Models based on neural networks (NN) have been used widely and successfully in traffic prediction resulting in improved accuracy and efficiency in traffic flow, speed, passenger flow, and delay. Input data include continuous ... -
Using the theory of planned behavior to predict the use of an upcoming public transportation service in Qatar
( Elsevier Ltd , 2019 , Article)Public transportation systems play a major role in accommodating public travel needs. To accommodate the need for public transportation in Qatar, a metro network is currently under construction. However, commuters have ... -
A microbial fuel cell configured for the remediation of recalcitrant pollutants in soil environment
( Royal Society of Chemistry , 2019 , Article)A pristine soil environment supports a healthy soil biodiversity, which is often polluted with recalcitrant compounds. The bioelectrochemical remediation of the contaminated soils using bioelectrochemical systems (BESs) ... -
Carbon nanotube effect on the ductility, flexural strength, and permeability of concrete
( Hindawi Limited , 2019 , Article)Recently, remarkable types of carbon nanofilaments called carbon nanotubes (CNTs) have raised the interest of many concrete and cementitious composite researchers due to their significant mechanical, electrical, thermal, ... -
Drivers' perceptions of smartphone applications for real-time route planning and distracted driving prevention
( Hindawi Limited , 2019 , Article)Given the increasing importance and availability of traffic-related smartphone applications, understanding their potential use is vital, especially in developing countries. This research explores motorist perceptions of ... -
Biodegradation Kinetics of Benzene and Naphthalene in the Vadose and Saturated Zones of a (Semi)-Arid Saline Coastal Soil Environment
( Hindawi Limited , 2019 , Article)Biodegradation is a key process for the remediation of sites contaminated by petroleum hydrocarbons (PHCs), but this process is not well known for the (semi)-Arid coastal environments where saline conditions and continuous ... -
Where Is Qatar from Complete Streets?
( Springer Verlag , 2019 , Conference)In Qatar, it is perceived that the country's street system should be improved. Traffic crashes and congestion are seen as a threat to the safety of the community in Qatar and a negative element that detracts from the ... -
Who Is Going to Ride the Upcoming Metro in Qatar?
( Springer Verlag , 2019 , Conference)Qatar is one of the fastest growing countries around the world, resulting in substantially high private vehicle usage as well as heavy traffic congestion. It is currently estimated that the private car usage is about 85% ... -
Shear behavior of RC beams strengthened with different types of FRCM: Effect of stirrups' configuration
( ISEC Press , 2019 , Conference)Fabric-reinforced cementitious matrix, (FRCM) system has shown to be promising for the strengthening of reinforced concrete (RC) beams. However, the available experimental investigation on the shear strengthening efficacy ... -
Bond and shear-strengthening performance of FRCM composites
( ISEC Press , 2019 , Conference)This paper is aimed at studying the bond and shear-strengthening performance of fabric reinforced cementitious matrix (FRCM) systems. Three FRCM systems were compared, namely, polyparaphenylene benzobisoxazole (PBO)-FRCM, ... -
Numerical Evaluation of Dynamic Response by Using Modified Newmark’s Method
( Jordan University of Science and Technology , 2019 , Article)It is well known that the Newmark’s method is considered one of the most popular methods for structural dynamic analysis. In this study, starting from the basic Newmark’s method, a new accurate method is investigated and ... -
Impact of fines type on gas flow using 3D micro-computed tomography
( Society of Petroleum Engineers , 2019 , Conference)Methane hydrates are promising unconventional energy source with natural reserves above 1,000 Trillion m3. Hydrates are found in saturated sandy sediments, where multi-phase flow of gas takes place through sediment's pores, ... -
Comparing eurocode 2 prestress loss estimations to strains measured on a pretensioned bridge beam
( CRC Press/Balkema , 2019 , Conference)The implementation of Eurocode 2 (EC2) for the design of concrete structures in South Africa in the near future is pending and necessitates refined understanding of EC2’s prediction models; including prestress losses and ... -
Hybrid Split Hopkinson Pressure Bar to Identify Impulse-dependent Wave Characteristics of Viscoelastic Phononic Crystals
( Springer New York LLC , 2019 , Article)There has recently been a rising interest in the nonlinear wave transmission behavior of phononic crystals. However, experimental studies focusing on the nonlinear wave transmission behavior of phononic crystals have been ... -
Investigating the behavior of railroad ballast in a box test under sinusoidal & simulated train loading
( National Technical University of Athens , 2019 , Conference)The use of railway transportation systems has been increased throughout the years. Conventional ballasted tracks have been widely used in many countries around the world. Ballast material is the basic element in ballasted ... -
Assessment of delay factors in construction of sport facilities through multi criteria decision making
( Taylor and Francis Ltd. , 2019 , Article)The construction of sports facilities widened drastically as the number of sport events gradually increased during the last two decades in the global environment. The requirements of International Federations to host these ... -
Geomechanical Modelling of Railroad Ballast: A Review
( Springer , 2019 , Article)Traditional ballasted tracks have been used intensively around the world with ballast as the main material for tracks. Ballast has a significant contribution to the track alignment, stability and sustainability. After ... -
Management performance assessment: A method of analytic network process
( Success Culture Press , 2019 , Article)The construction industry is considered risky as labor and machinery intense environment interacts with accelerating and overlapping activities. This situation would result in high number of accidents and fatalities. High ... -
Modeling pedestrian gap acceptance behavior at a six-lane urban road
( Taylor and Francis Inc. , 2019 , Article)The illegal crossing behavior of pedestrians at unmarked mid-block sections is unsafe, risky, and increase the potential of severe conflicts and crashes, especially in the case of multilane roads. This paper investigates ...
