Civil and Environmental Engineering: Recent submissions
Now showing items 781-800 of 851
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Impact of Pulsed Dielectrophoretic Supply on the Function of Microorganisms in Membrane Bioreactors
( American Society of Civil Engineers (ASCE) , 2018 , Article)This study aims to investigate the effect of dielectrophoretic (DEP) force on microorganisms' viability in a membrane bioreactor (MBR). The impact of different electrical potentials (5-150 V) and different exposure durations ... -
Enhanced treatment of petroleum refinery wastewater by short-term applied voltage in single chamber microbial fuel cell
( Elsevier Ltd , 2018 , Article)Electrochemically active anodic biofilm that has adapted under mild applied potentials in the range 100–500 mV was evaluated for its improved bioelectrogenesis and bioelectrochemical treatment of petroleum refinery wastewater ... -
Sagittal plane waves in infinitely periodic multilayered composites composed of alternating viscoelastic and elastic solids
( American Society of Mechanical Engineers (ASME) , 2018 , Article)In order to design phononic crystals whose band-gaps are located in low-frequency ranges, researchers commonly adopt low stiffness polymeric materials as key constituents and exploit the high impedance mismatch between ... -
Fresh and hardened properties of seawater-mixed concrete
( Elsevier Ltd , 2018 , Article)Using seawater for mixing concrete is potentially advantageous from a sustainability perspective. However, the presence of high concentrations of chloride in the seawater can lead to corrosion of steel reinforcement. This ... -
Comprehensive literature review on CH4-CO2 replacement in microscale porous media
( Elsevier B.V. , 2018 , Article Review)Gas production studies from natural gas hydrate reservoirs have been the subject of extensive research in recent years. Although CH4-CO2 replacement production method from gas hydrates has many advantages, the number of ... -
Closure to "Fully softened shear strength for soil slope stability analyses" by Hisham T. Eid and Khaled H. Rabie
( American Society of Civil Engineers (ASCE) , 2018 , Article)[No abstract available] -
Analysis of illegal pedestrian crossing behavior on a major divided arterial road
( Elsevier Ltd , 2018 , Article)Pedestrians’ illegal mid-block crossing increases the chances of a crash compared to crossing at marked or signalized crosswalks. Therefore, it is necessary to have an accurate understanding of this type of behavior to be ... -
Recent advances in corrosion resistant superhydrophobic coatings
( Walter de Gruyter GmbH , 2018 , Article Review)Extreme water-repellent (superhydrophobic) coatings with water contact angle higher than 150° have caught the attention of corrosion researchers in the last decade as they can be used to protect metals and alloys against ... -
Flexural behavior of basalt fiber reinforced concrete beams with recycled concrete coarse aggregates
( Elsevier Ltd , 2018 , Article)This study investigates the effect of using recycled concrete aggregates (RCA) from construction and demolition (C&D) waste combined with basalt macro-fibers (BMF) on the flexural behavior and ultimate capacity of reinforced ... -
The role of statistics in data-centric engineering
( Elsevier B.V. , 2018 , Article)We explore the role of statistics for Big Data analysis arising from the emerging field of Data-Centric Engineering. Using examples related to sensor-instrumented bridges, we highlight a number of issues and challenges. ... -
A design reuse technology to increase productivity through automated corporate memory system
( Springer London , 2018 , Article)Increasing competitiveness in engineering industry pressurizes companies to improve productivity of every single element in processes. As a result of this pressure, increasing productivity of design staff and design systems ... -
Automated defect detection tool for closed circuit television (cctv) inspected sewer pipelines
( Elsevier B.V. , 2018 , Article)In sewer networks, the economic effects and costs that result from a pipeline failure are rising sharply. As a result, there is huge demand for inspection and rehabilitation of sewer pipelines. In addition to being inaccurate, ... -
A framework for improving sustainable mobility in higher education campuses: The case study of Qatar University
( Elsevier Ltd , 2018 , Article)Nowadays, sustainable mobility is a main challenge addressed by policy-makers, public managers and scholars worldwide. This research presents a set of guidelines and solutions to support the design of a more sustainable ... -
Threat and vulnerability risk assessment for existing subway stations: A simplified approach
( Elsevier Ltd , 2018 , Article)People use infrastructure systems mostly without realizing how important these systems are until an attack or damage occurs and results in casualties or causes discomfort or inconvenience. Even though there have been ... -
Simulation of wellbore construction in offshore unconsolidated methane hydrate-bearing formation
( Elsevier B.V. , 2018 , Article)The unconsolidated nature of offshore methane hydrate-bearing formation poses challenges to sustainable methane gas production as the weak formation is susceptible to disturbance during wellbore construction. This could ... -
Seismic Assessment of Existing Lowrise and Midrise Reinforced Concrete Buildings Using the 2014 Qatar Construction Specification
( American Society of Civil Engineers(ASCE) , 2018 , Article)Qatar is considered to have predominantly low seismic activity despite being close to some of the most active seismic zones in the world, including the Zagros thrust belt. However, the strong earthquakes that have recently ... -
Sorption of benzene and naphthalene on (semi)-arid coastal soil as a function of salinity and temperature
( Elsevier B.V. , 2018 , Article)Considerable activities from the oil and natural gas sector have risen some concerns about the pollution of soil and groundwater by petroleum hydrocarbons (PHCs) in (semi)-arid coastal regions. The understanding of the ... -
Effective framework for change order management using analytical hierarchy process (AHP)
( GaziUniversityEtiMahallesi , 2018 , Article)Construction projects are of very complex nature and come along with an intrinsic but undesirable property of change orders. The purpose of this paper is to propose an effective framework for the change order management ... -
Analysis of urban heat in a corridor environment – The case of Doha, Qatar
( Elsevier B.V. , 2018 , Article)Doha, Qatar is one of the arid coastal cities of the Gulf Cooperation Council (GCC) countries. Like similar cities, temperatures can vary widely throughout, with rapid and extensive development that has contributed to ... -
Bond characteristics of different FRCM systems
( Elsevier , 2018 , Article)© 2018 Elsevier Ltd Fabric-reinforced cementitious matrix (FRCM) composites are usually applied on the concrete surface for the purpose of strengthening reinforced concrete structures. The efficiency of FRCM as a strengthening ...