Browsing Civil and Environmental Engineering by Title
Now showing items 47-66 of 781
-
A strut and tie model for FRCM-strengthened reinforced concrete deep beams
( ISEC Press , 2019 , Conference Paper)Exiting literature revealed that fabric reinforced cementitious matrix (FRCM) is a promising material for the strengthening of shear deficient reinforced concrete (RC) beams. However, most of the available experimental ... -
A study on the bond behavior of different FRCM systems
( EDP Sciences , 2018 , Conference Paper)Fabric-reinforced cementitous matrix (FRCM) composites are usually applied on the concrete surface for the purpose of strengthening reinforced concrete structures. However, the efficiency of FRCM strengthening is notably ... -
A systematic review of machine learning classification methodologies for modelling passenger mode choice
( Elsevier , 2021 , Article Review)Machine Learning (ML) approaches are increasingly being investigated as an alternative to Random Utility Models (RUMs) for modelling passenger mode choice. These approaches have the potential to provide valuable insights ... -
A technique for estimating permeability of a randomly fractured rock mass
( Springer Verlag , 2007 , Article)Extensive field and laboratory testing programs were performed to develop a relationship between the permeability of a fractured limestone and the core recovery values. The studied limestone does not encompass any jointing ... -
Aberrant driving behaviors as mediators in the relationship between driving anger patterns and crashes among taxi drivers: An investigation in a complex cultural context
( Taylor & Francis , 2023 , Article)Objective: Taxis have become an integrated component of Qatar’s urban transportation network due to their convenience, comfort, and flexibility. Qatar has seen an uptick in the demand for professional taxi drivers. Most ... -
Accounting for the influence of the free surface on the vibration response of underground railway tunnels: A new iterative method
( KU Leuven - Departement Werktuigkunde , 2020 , Conference Paper)This paper presents a new method for calculating the ground-borne vibration from shallow underground railways. The method is based on an iterative wave-scattering approach, which decouples the problem into two sub-systems: ... -
Acoustic absorption analysis and modeling of asphalt mixtures
( ASTM International , 2019 , Article)Highway traffic noise is a major environmental issue all over the world. This is particularly annoying to residents who live nearby major transportation corridors. Noise pollution adversely affects the quality of their ... -
Acoustic Performance Evaluation of Dense-Graded Asphalt Pavements in Qatar
( Hindawi , 2021 , Article)There is pressing and growing demand from the public to design and construct roads with a low noise level. This paper investigated the acoustic performance of asphalt pavements in the State of Qatar to assist transport ... -
Active vibration control of flexible cantilever plates using piezoelectric materials and artificial neural networks
( Academic Press , 2016 , Article)The study presented in this paper introduces a new intelligent methodology to mitigate the vibration response of flexible cantilever plates. The use of the piezoelectric sensor/actuator pairs for active control of plates ... -
An Adaptive Neurofuzzy Inference System for the Assessment of Change Order Management Performance in Construction
( American Society of Civil Engineers (ASCE) , 2021 , Article)Change order management is a major challenge in the construction business due to the associated disputes, claims, productivity losses, delays, and cost implications. As a result, effective change order management (COM) is ... -
Adaptive thermal comfort in the different buildings of Darjeeling Hills in eastern India – Effect of difference in elevation
( Elsevier Ltd , 2018 , Article)Thermal comfort standards are required to provide comfortable indoor condition which has a positive effect on the occupant. However, the Predicted Mean Vote – Percentage People Dissatisfied (PMV-PPD) model which is used ... -
Aging evaluation of asphalt samples with Low Field Nuclear Magnetic Resonance
( Elsevier Inc. , 2017 , Article)In this study, a recently developed methodology to assess aging of pavements by using Low Field Nuclear Magnetic Resonance (LF-NMR) was applied to asphalt mix samples at different aging states. The ultimate objective of ... -
AI and IoT-based concrete column base cover localization and degradation detection algorithm using deep learning techniques
( Ain Shams University , 2023 , Article)Internet of Things (IoT) and Artificial Intelligence (AI) technologies are currently replacing the traditional methods of handling buildings, infrastructure, and facilities design, control, and maintenance due to their ... -
An analytic network process condition assessment model for sewer pipelines
( Civil-Comp Press , 2015 , Conference Paper)As sewer pipelines age, the need for their upgrading, maintaining, and repairing arises. Simultaneously, inadequate sewer pipelines might lead to catastrophic failures. Thus, decision makers must have a detailed knowledge ... -
An Artificial Intelligence Approach to Estimate Travel Time along Public Transportation Bus Lines
( Qatar Univesrity Press , 2020 , Conference Paper)Public transportation sectors have played significant roles in accommodating passengers and commodities efficiently and effectively. The modes of public transportation often follow pre-defined operation schedules and routes. ... -
An assessment of Qatari school students' perspective towards using sustainable modes of transport to school
( Elsevier , 2023 , Article)Being a car dependent country traditionally, private cars are widely used for various trip purposes in State of Qatar including school trips. This paper assesses the factors affecting sustainable mode choices, walking or ... -
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 ... -
An economic loss model for failure of sewer pipelines
( Taylor and Francis Ltd. , 2018 , Article)Estimating the costs of failure for sewer pipelines is usually accompanied with uncertainties because of the difficulty in capturing the relationship between the physical and economical characteristics of failed pipelines. ... -
An effective technique utilizing frcm system in strengthening rc beams in shear
( ISEC Press , 2018 , Conference Paper)This paper presents the efficacy of a new technique of fabric reinforced cementitious matrix (FRCM) for the strengthening of shear deficient reinforced concrete (RC) beams. This technique involves embedding the FRCM ... -
An enhanced electrocoagulation process for the removal of fe and mn from municipal wastewater using dielectrophoresis (Dep)
( MDPI AG , 2021 , Article)In this study the removal of Fe and Mn from primary treated municipal wastewater using a new electrode configuration in electrocoagulation was evaluated. The used electrode configuration induced a dielectrophoretic (DEP) ...