Civil and Environmental Engineering: Recent submissions
Now showing items 801-820 of 862
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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 ... -
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 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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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, ... -
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 ... -
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 ... -
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 ...
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