تصفح Civil & Architectural Engineering حسب العنوان
السجلات المعروضة 617 -- 636 من 708
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Significance of GOs, GNPs and CNTs' Nanomaterials on the Mechanical Properties of Cement
( Qatar University Press , 2023 , Conference Paper)This study reports the statistical significance of using Graphene Oxides (GOs), Graphene Nanoplatelets (GNPs) and Carbon Nanotubes (CNTs) on the mechanical properties of cement paste. Samples containing several nanoparticles' ... -
Simple Procedure for Preliminary Estimation of the Permeability of Randomly Fractured Rock Masses
( American Society of Civil Engineers (ASCE) , 2024 , Article)A data-driven approach is used to show the significant discrepancy between the coefficients of permeability that are estimated through packer field tests and those back-calculated from the actual discharge pumped out of ... -
Simplified compression field theory-based model for shear strength of fabric-reinforced cementitious matrix-strengthened reinforced concrete beams
( American Concrete Institute , 2020 , Article)Fabric-reinforced cementitious matrix (FRCM) systems are becoming an excellent choice for the shear strengthening of reinforced concrete (RC) beams owing to their excellent structural performance and compatibility with the ... -
Simplified vibration response prediction for slender monumental stairs
( American Society of Civil Engineers (ASCE) , 2014 , Conference Paper)Slender monumental stairs are major architectural features in hotels, condominiums, hospitals, and other high-end building structures. Architectural requirements for these are usually very aggressive, with long spans and ... -
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 ... -
Simulation-Based Condition Assessment Model for Sewer Pipelines
( American Society of Civil Engineers (ASCE) , 2017 , Article)Condition assessment models are considered as an evaluation tool that can be used by decision makers to accurately evaluate and assess the condition of pipes. Condition assessment of pipes helps in reaching better decisions ... -
Simulation-based deterioration patterns of water pipelines
( Taylor and Francis Ltd. , 2019 , Article)Water pipelines deteriorate overtime due to several distressing factors. To keep water pipelines in good condition, municipalities need to use reliable and credible deterioration models and inspection plans to better manage ... -
Soffit and U-Wrap fabric-reinforced cementitious matrix strengthening for reinforced concrete beams
( American Concrete Institute , 2019 , Article)The structural performance of reinforced concrete (RC) beams strengthened with fabric-reinforced cementitious matrix (FRCM) was investigated. Fourteen unstrengthened and strengthened beams were tested in flexure under ... -
Some observations on soil-pipe interface shear strength in direct shear under low effective normal stresses and large displacements
( American Society of Mechanical Engineers (ASME) , 2016 , Conference Paper)Experimental work is undertaken at the University of British Columbia (UBC) to study the soil-pipe interface shear strength at levels of shear displacements and effective normal stresses typically encountered in offshore ... -
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 ... -
A Spreadsheet Teaching Tool For Analysis Of Pipe Networks
( Qatar University , 1997 , Article)Spreadsheets are used widely in engineering to perform several analysis and design calculations. They are also very attractive as educational tools due to their flexibility and efficiency. This paper demonstrates the use ... -
Stability analysis and charts for slopes susceptible to translational failure
( Canadian Science Publishing , 2006 , Article)The aim of this paper is to develop two- and three-dimensional stability charts for slopes susceptible to translational failure. An extensive parametric study was conducted using a slope model that is designed to simulate ... -
Stability charts for uniform slopes in soils with nonlinear failure envelopes
( Elsevier B.V. , 2014 , Article)Based on the results of an extensive parametric study, charts were developed for assessment of the stability of uniform slopes in soils with nonlinear shear strength failure envelopes. The study was conducted using envelopes ... -
Stadium vibration assessment for serviceability considering the vibration duration
( Canadian Society for Civil Engineering , 2017 , Conference Paper)Vibration problems in grandstand structures have been getting more attention due to increasing slenderness of architectural components and the complexity of crowd loading for structural designers. The vibration serviceability ... -
State of the Art Study on Aging of Asphalt Mixtures and Use of Antioxidant Additives
( Hindawi , 2018 , Article)The detrimental effects of hardening in asphalt pavements were first recognized by pioneering pavement engineers in the 1900s and have been studied extensively during the last 70 years. This hardening process, referred to ... -
State-of-the-art review on sustainable design and construction of quieter pavements-Part 1: Traffic noise measurement and abatement techniques
( Multidisciplinary Digital Publishing Institute (MDPI) , 2016 , Article)Noise pollution due to highway traffic has drawn the attention of transportation agencies worldwide. Noise pollution is an irritant to residents, especially in urban areas near roads with high traffic volume. In addition ... -
State-of-the-Art Review on Sustainable Design and Construction of Quieter Pavements-Part 2: Factors Affecting Tire-Pavement Noise and Prediction Models
( MDPI AG , 2016 , Article Review)Traffic noise is a combination of noises produced from a number of sources. Of all the traffic noise sources, tire-pavement noise, which is emitted as a result of the interaction of rolling,slipping, or dragging tires and ... -
Statewide assessment of air quality changes in Florida during the COVID-19 pandemic
( Elsevier B.V. , 2023 , Article)The COVID-19 pandemic has forced many countries from all over the world to adopt extreme measures to suppress the spread of the pandemic. These measures have triggered changes in air quality. Many studies showed an overall ... -
Static and Fatigue Performance of FRCM-Strengthened Concrete Beams
( American Society of Civil Engineers (ASCE) , 2018 , Article)Fabric-reinforced cementitious matrix (FRCM) composites represent a new technique for strengthening concrete and masonry structures. Various studies confirm the efficiency of FRCM systems in terms of ultimate capacity gain, ... -
Statistical Analysis of the Effect of Water Table Fluctuation and Soil Layering on the Distribution of BTEX on Soil and Groundwater Under Anaerobic Condition
( Qatar University Press , 2023 , Conference Paper)Crude oil, gasoline, and diesel fuel spills pollute groundwater in many coastal areas. BTEX is a hydrocarbon of concern due to its high-water solubility, which allows it to spread widely in the subsurface environment. The ...