تصفح Theme 2: Advances in Infrastructure Sustainability, Renovation, and Monitoring حسب العنوان
السجلات المعروضة 29 -- 48 من 68
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Exploration of Carbonate Aggregates in Road Construction using Ultrasonic and Artificial Intelligence Approaches
( Qatar University Press , 2023 , Conference Paper)The COVID-19 pandemic has significantly impacted the construction sector, which is highly sensitive to economic cycles. In order to boost value and efficiency in this sector, the use of innovative exploration technologies ... -
Galvanized Steel as a Sustainable Material-Technology and Failure Analysis
( Qatar University Press , 2023 , Conference Paper)The building industry is responsible for 40% of global CO2 emissions and 36% of global energy consumption. Therefore, it is not surprising that the industry is motivated to embrace more environment-friendly procedures and ... -
Hardened Properties of Self-Compacting Concrete Incorporating Recycled Granite Waste as Fine Aggregate
( Qatar University Press , 2023 , Conference Paper)The present paper investigates the hardened properties of self-compacting concrete by reusing granite waste to replace natural fin aggregates. The reuse of solid wastes as powder or aggregates allows us to produce sustainable ... -
Identification of Karstic Features with Extensive Geophysical Investigation for Underground Infrastructure - South of Wakrah Pumping Station and Outfall (SWPSO) Project
( Qatar University Press , 2023 , Conference Paper)There has been a significant increase in the number of underground infrastructure projects built in a short period because of Qatar's goal of effective mass transit and robust urban drainage infrastructure, as well as the ... -
Impact of the Fiber Distribution Characteristics on the Uniaxial Behaviour of Fiber-Reinforced Composites- An Experimental Study
( Qatar University Press , 2023 , Conference Paper)The demand for development of fiber-reinforced composites has enhanced as the practise of integrating fibres into concrete has become prevalent over the past few decades.. The intersection zone where the fiber crossing the ... -
Influence of Adding Demolition Wastes on the Mechanical Properties of Concrete in Sultanate of Oman
( Qatar University Press , 2023 , Conference Paper)Nowadays the global trend in construction industry is to reduce the cost, saving energy and preserving the environment. Using other industries' waste material as a construction material is one of several methods followed ... -
Influence of Fine Dune Sand on the Modulus of Elasticity of Eco-Self-Compacting-Concrete
( Qatar University Press , 2023 , Conference Paper)The aim of this research was to study the effect of fine dune sand on the mechanical performance of Eco-Self-Compacting Concrete (SCC). For that, the fine dune sand of the Western erg (Taghit -Algeria) was being like mineral ... -
Influence of Pier Stiffness on Track-Bridge Interaction
( Qatar University Press , 2023 , Conference Paper)The bridge is a common engineering structure over which a rail track is often laid. With the introduction of continuous welded rail (CWR), major rail tracks have shifted worldwide from jointed rail to continuous welded ... -
Launching a 148m-Long Tunnel Boring Machine from a 15m-Inner Diameter Shaft
( Qatar University Press , 2023 , Conference Paper)The city of Doha has grown and expanded rapidly in the last 20 years, but this growth has strained the country's infrastructure, including its aging sewerage system and treatment facilities. ASHGHAL has therefore launched ... -
Marine Dredging Sediments Valorization in Self-Compacting Concretes
( Qatar University Press , 2023 , Conference Paper)Rock and eroded soil are transported by wind, tide, and human action (development works), and deposited as sediment in ports, estuaries, and rivers. The sediment accumulation at the bottom of ports disrupts maritime ... -
Modeling Asphalt Pavement Frictional Properties using Different Machine Learning Algorithms
( Qatar University Press , 2023 , Conference Paper)The objective of this work is to use some machine learning algorithms and test its efficiency in developing models to predict Locked Wheel Skid Trailer (LWST) values from Dynamic Friction Tester (DFT) and Circular Texture ... -
Modeling Short-Term Deflection of Reinforced Concrete Slabs using the Layered Approach
( Qatar University Press , 2023 , Conference Paper)This paper examines the short-term deflection of reinforced concrete slabs taking the tension-stiffening phenomenon into account. The main goal of this study is to develop a model that predicts the deflection of one-way ... -
Modeling Thermal Conductivity, Thermal Diffusivity and Specific Heat of Asphalt Concrete Using Beta Regression and Mixture Volumetrics
( Qatar University Press , 2023 , Conference Paper)The main objective of this paper is to develop predictive models using Beta regression for laboratory-prepared hot mix asphalt (HMA) specimens' thermal properties, including thermal conductivity (TC), thermal diffusivity ... -
Numerical Study on the Pullout Behavior of Steel Fibers in Cement-Based Composites
( Qatar University Press , 2023 , Conference Paper)The interaction between steel fiber and surrounding cement-based matrix and concrete materials is crucial in the behavior of Steel Fiber-Reinforced Concrete (SFRC). This interaction is generally measured through a single ... -
Optimum Design of Plane Trusses Using Mathematical and Metaheuristic Algorithms on a Spreadsheet
( Qatar University Press , 2023 , Conference Paper)Mathematical optimization refers to the process of finding the values of variables that maximize or minimize a function. Structural optimization is the process of designing a structure in such a way as to minimize its ... -
Parametric Optimization of RC Beams Strengthened with FRCM Using FE Modelling and Response Surface Methodology
( Qatar University Press , 2023 , Conference Paper)This study focuses on the numerical and statistical analyses to predict the mid-span moment capacity of RC beams strengthened with fabric reinforcement cementitious mortar (FRCM) laminate. A finite element model (FEM) has ... -
Performance of Mild Steel and Corrosion-Resistant Steel Rebars in Chloride-Contaminated Concrete
( Qatar University Press , 2023 , Conference Paper)Reinforced concrete (RC) infrastructure in Arabian Peninsula is subjected to harsh climatic conditions of high temperatures, humidity, and airborne chlorides and there is a high concentration of salts in seawater and soils. ... -
Planning and Implementing of Effective Enabling Works for a Successful TBM Tunnelling Project
( Qatar University Press , 2023 , Conference Paper)The outfall tunnel, which forms part of the Musaimer Pump Station and Outfall project (MPSO), is a 10.2 km long subsea tunnel that extends from the south coast of Doha, starting onshore, and continues under the Arabian ... -
Potential Implementation of Warm Mix Asphalt (WMA) in Pavement Construction in the State of Qatar
( Qatar University Press , 2023 , Conference Paper)Warm-mix asphalt (WMA) technology has been used in many countries around the world, in lieu of Hot Mixed Asphalt (HMA), due to its ability to allow significant reduction in the temperatures at which asphalt mixes are ... -
Potential Utilization of Alternative Construction Materials in Qatar, in lieu of Conventional Washed Sand
( Qatar University Press , 2023 , Conference Paper)Natural sand that has been washed is an essential material used in infrastructure development and construction projects of all sizes. Due to the depletion of natural sand sources in Qatar, there has arisen a need to develop ...