تصفح Civil & Architectural Engineering حسب العنوان
السجلات المعروضة 207 -- 226 من 663
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DPSM technique for ultrasonic field modelling near fluid–solid interface
( Elsevier , 2007 , Article)Distributed point source method (DPSM) is gradually gaining popularity in the field of non-destructive evaluation (NDE). DPSM is a semi-analytical technique that can be used to calculate the ultrasonic fields produced by ... -
Drained Peak and Residual Interface Shear Strengths of Fine-Grained Soils for Pipeline Geotechnics
( American Society of Civil Engineers (ASCE) , 2019 , Article)This study presents the results of interface torsional ring shear tests conducted at intermediate normal stress levels that are usually prevalent at soil-pipeline interfaces under near-shore conditions. Four normally ... -
Drained residual shear strength at effective normal stresses relevant to soil slope stability analyses
( Elsevier B.V. , 2016 , Article)An extensive torsional ring shear testing program has been conducted to measure the drained residual shear strength of soils at the wide range of effective normal stress (10 to 700 kPa) usually mobilized in reactivated and ... -
Drift optimization of high-rise buildings in earthquake zones
( John Wiley & Sons, Ltd. , 2011 , Article)This paper presents a Drift Design Structural Model (DDSM) for the design optimization of high-rise buildings in seismic zones. The model is formulated as a Generalized Single Degree of Freedom System subjected to equivalent ... -
Drivers for energy analysis towards a BIM-enabled information flow
( Emerald Publishing , 2023 , Article)Purpose: Energy analysis (EA) within a building information modelling (BIM) enables consistent data integration in central repositories and eases information exchange, reducing rework. However, data loss during information ... -
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 ... -
Driving simulation sickness and the sense of presence: Correlation and contributing factors
( Elsevier Ltd. , 2021 , Article)Driving simulators are useful and effective tools for conducting studies in the field of traffic safety. Simulation sickness (SS) and the sense of presence (SP) are two well-known factors that could affect the results of ... -
Duality of Lean Construction and Building Information Modeling into Digital Collaborative Scheduling in Qatar: A Conceptual Framework
( Qatar University Press , 2023 , Conference Paper)Long has the construction industry been chastised for its low production performance. Building Information Modelling (BIM) and Lean Construction (LC) are two of the most widely adopted concepts in the construction industry ... -
Durability characteristics of high and ultra-high performance concretes
( Elsevier , 2021 , Article)Durability characteristics of high-performance concrete (HPC) and ultra-high performance concrete (UHPC) are evaluated in comparison to normal strength concrete (NSC). HPC and UHPC are cast using commonly available materials ... -
Dynamic 3D imaging of gas hydrate kinetics using synchrotron computed tomography
( EDP Sciences , 2020 , Conference Paper)The availability of natural gas hydrates and the continuing increase in energy demand, motivated researchers to consider gas hydrates as a future source of energy. Fundamental understanding of hydrate dissociation kinetics ... -
Dynamic Forces Induced by a Single Pedestrian: A Literature Review
( American Society of Mechanical Engineers (ASME) , 2017 , Article)With the use of lighter construction materials, more slender architectural designs, and open floor plans resulting in low damping, vibration serviceability has become a dominant design criterion for structural engineers ... -
Dynamic Imaging of Hydrate Specific Area Evolution during Xenon Hydrate Formation
( Qatar Univesrity Press , 2020 , Conference Paper)Gas hydrates are ice-like structures formed under high pressure and low temperature conditions. They are considered as a potential energy source due to their abundance and the increase in energy demand worldwide. A fundamental ... -
Dynamic Testing of a Laboratory Stadium Structure
( American Society of Civil Engineers (ASCE) , 2016 , Conference Paper)Studies with large physical models are a vital link between the theoretical work and field applications provided that these models are designed to represent real structures where various types and levels of uncertainties ... -
Edges, Interfaces, and Nexus: New Paradigms for Blue Urban Landscapes in the Gulf
( Cambridge University Press , 2018 , Article)[No abstract available] -
Effect of ageing on asphalt binders in the State of Qatar: a case study
( Taylor and Francis Ltd. , 2017 , Article)Ageing of asphalt binders has a significant impact on the rheological properties of asphalt binders and thus affects the performance of asphalt pavements. The rate of binder ageing is accelerated at high temperatures. This ... -
Effect of Aging on Viscoelastic Properties of Asphalt Mixtures
( American Society of Civil Engineers (ASCE) , 2019 , Article)This study presents a comprehensive laboratory evaluation and statistical analysis of the effect of aging on the viscoelastic properties of asphalt mixtures. Asphalt mixtures were subjected to different short- and long-term ... -
Effect of Alkaline Activators on the Mechanical Properties of Geopolymer Mortar
( Qatar Univesrity Press , 2020 , Conference Paper)"Geopolymerization is a process where silica and alumina rich source materials turn into excellent binding materials by the aid of alkali solutions. Materials such as fly ash are by-products in energy power plants. Fly ... -
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 ... -
Effect of bond enhancement using carbon nanotubes on flexural behavior of RC beams strengthened with externally bonded CFRP sheets
( Springer Nature , 2022 , Article)This paper studied the effect of incorporation of carbon nanotubes (CNTs) in carbon fiber reinforced polymer (CFRP) on strengthening of reinforced concrete (RC) beams. The RC beams were prepared, strengthened in flexure ... -
Effect of calcium nitrate healing microcapsules on concrete strength and air permeability
( ICE Publishing , 2019 , Article)This study investigates the compressive and flexural strengths, flexural modulus and air permeability of concrete samples containing 0.75% by cement weight of modified calcium nitrate self-healing microcapsules. The ...