تصفح Civil & Architectural Engineering حسب العنوان
السجلات المعروضة 220 -- 239 من 688
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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 ... -
Effect of carbon nanotubes on the bonding mechanism of non-corrosive reinforcements to concrete
( Elsevier , 2024 , Article)This study aimed to assess the impact of waterborne pre-dispersed multiwall carbon nanotubes (MWCNTs) at a concentration of 0.2 wt % on the bond strength between concrete and non-corrosive reinforcements, including stainless ... -
The Effect of Change-Order Management Factors on Construction Project Success: A Structural Equation Modeling Approach
( American Society of Civil Engineers , 2022 , Article)Managing change order is a critical area of concern in the construction industry, owing to the resulting disputes, claims, productivity losses, delays, and cost repercussions. There have been various studies proposing both ... -
Effect of corrosion damage on the flexural performance of RC beams strengthened with FRCM composites
( Elsevier Ltd , 2017 , Article)This paper reports on the flexural behavior of corrosion-damaged reinforced concrete (RC) beams strengthened with different fabric-reinforced cementitious matrix (FRCM) composites. Three groups of beams were subjected to ... -
Effect of crushable blockouts on a full-scale guardrail system
( Taylor and Francis Ltd. , 2017 , Article)Since the performance of the guardrail system depends in part on the compatibility of vehicle-to-roadside hardware, it is important to improve the interaction of the vehicle with the guardrail system by adding more compliance ... -
Effect of mixing duration on flexural strength of multi walled carbon nanotubes cementitious composites
( Elsevier Ltd , 2016 , Article)This paper investigates the effect of mixing duration on the flexural strength of multi-walled carbon nanotubes (MWCNTs) reinforced cementitious composites. Each batch containing 0.03%, 0.08%, 0.15% or 0.25% MWCNT to cement ... -
Effect of Pavement Surface Aging on Tire-Pavement Noise: A Case Study in the State of Qatar
( EDP Sciences , 2018 , Conference Paper)The acoustical performance of asphalt pavements changes with time due to combined effects of environmental conditions and various distresses induced by repeated and heavy traffic. This study examined the changes in the ... -
Effect of rail unevenness correlation on the prediction of ground-borne vibration from railways
( DC/ConfOrg , 2015 , Conference Paper)This paper presents the influence of rail unevenness correlation on the predicted track and ground vibration. The study is based on an integrated railway model in the wavenumber-frequency domain with varying complexity ...