Browsing Theme 2: Advances in Infrastructure Sustainability, Renovation, and Monitoring by Publication Date
Now showing items 1-20 of 68
-
Modeling Asphalt Pavement Frictional Properties using Different Machine Learning Algorithms
( Qatar University Press , 2023 , Conference)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 ... -
Corrected Rock Fracture Parameters Applied to Qatari Rock Masses
( Qatar University Press , 2023 , Conference)This paper is the continuation of the author's previous publications and an attempt to shed light on some of the presented propositions, therein. In his previous work, the author introduced a novel parameter for borehole ... -
A Comparison between Natural Pozzolana and Fly Ash Replacements on the Mechanical Properties of Concrete
( Qatar University Press , 2023 , Conference)This study investigates the effect of Natural Pozzolana (NP) and Fly Ash (FA) substitutes on concrete's mechanical and microstructural properties. Mixes containing 10 - 50 % cement substitute ratios were prepared and tested ... -
Data Interpretation Framework for Pile Thermal Integrity Testing
( Qatar University Press , 2023 , Conference)Given the inherent nature of how deep cast in-situ concrete foundations (piles and diaphragm walls) are constructed, evaluating their integrity is difficult. Several well-established methods for testing integrity have been ... -
Influence of Fine Dune Sand on the Modulus of Elasticity of Eco-Self-Compacting-Concrete
( Qatar University Press , 2023 , Conference)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 ... -
Parametric Optimization of RC Beams Strengthened with FRCM Using FE Modelling and Response Surface Methodology
( Qatar University Press , 2023 , Conference)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 ... -
The Effect of Surface Treatment of Basalt FRP Bars on the Shear Capacity of Oneway High-Strength Concrete Slabs
( Qatar University Press , 2023 , Conference)Corrosion is a common condition encountered by steel reinforcing bars which has a considerable negative impact on the structural integrity of concrete structures. Nowadays, applying anti-corrosive composite materials such ... -
Utilization of Recycled Materials in Infrastructure Projects: Ashghal Approach
( Qatar University Press , 2023 , Conference)As a result of numerous infrastructure projects which have taken place in Qatar in the last decade, there has been an unprecedented increase in demand for construction materials. In addition, the huge program of infrastructure ... -
Preliminary Study on the Use of Reclaimed Asphalt in Public Works Authority Road Projects in the State of Qatar
( Qatar University Press , 2023 , Conference)This paper describes the outcomes of a preliminary study focused on the evaluation of four full-scale pavement sections in which reclaimed asphalt (RAP) was used in partial substitution of virgin aggregates during the ... -
Production of Self-healing Concrete using Gum Arabic for Immobilizing of Bacterial Spores on Sand
( Qatar University Press , 2023 , Conference)This paper studies the feasibility of producing self-healing concrete by immobilization of bacteria on the sand. In this study, the Gum Arabic (Acacia Senegal) was used to immobilize bacterial spores and its nutrient ... -
RSM Analysis for Optimum Content of Graphene Nanoplatelets for 3D-Printed Clay Strength
( Qatar University Press , 2023 , Conference)This study applies Response Surface Methodologies (RSM) methods to maximize 3D-Printed clay mechanical properties. Mixes containing different Graphene Nanoplatelets (GNPs) contents were printed and tested in compression ... -
Recycled Polypropylene Fibres for Reinforcing Cement Mortar under Arid Conditions
( Qatar University Press , 2023 , Conference)Concreting in arid environment is a delicate operation, due to many problems, such as the premature evaporation of mixing water, which affects the material consistency and the shrinkage cracking which threatens its durability. ... -
Sustainable Alternatives for Concrete by adding Different Types of Natural and Industrial Waste Materials
( Qatar University Press , 2023 , Conference)The construction industry accounts for a high percentage of global energy-related CO2 emissions (37 % in 2021 based on data from United Nations Environmental Program - UNEP) leading to an increasing need for solutions to ... -
Influence of Adding Demolition Wastes on the Mechanical Properties of Concrete in Sultanate of Oman
( Qatar University Press , 2023 , Conference)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 ... -
A Markovian-Genetic Algorithm Model for Predicting Pavement Deterioratio
( Qatar University Press , 2023 , Conference)Pavement structures are constantly deteriorating due to many distresses, for instance cracks and rutting that are initiated and expanded. Deterioration models of pavement structures is an important component of pavement ... -
Experimental Validation of Repair Methods for Earthquake-Damaged Bridges Incorporating Pipe-Socket Precast Pier System
( Qatar University Press , 2023 , Conference)This project focuses on the retrofitting of concrete bridge piers. In the first phase of the project, a half-scale bridge bent was designed and experimentally tested in the Idaho State University (ISU) Structural Lab (SLAB) ... -
Bond Performance of Near-Surface Mounted BFRP Bars to Concrete
( Qatar University Press , 2023 , Conference)This paper presents the test results of a study on the bond performance of near-surface mounted (NSM) basalt fiber reinforced polymer (BFRP) bars to concrete. Twelve C-shape concrete specimens were tested under direct ... -
A Review on the Performance of Bored Pile Foundations through Instrumented Pile Load Tests in Qatar
( Qatar University Press , 2023 , Conference)The level of infrastructure development Qatar has accomplished over the past 10 years has not been reached by any other country and this pace is expected to continue to achieve Qatar's 2030 Vision. High-rise buildings and ... -
The Use of Demolished Concrete Lumps (DCL) in Rectangular CFSTs Under Flexure
( Qatar University Press , 2023 , Conference)This paper investigates the flexural performance of rectangular concrete-filled steel tube (CFST) beams that are partially incorporated with demolished concrete lumps (DCLs). In total, three CFST beams were prepared and ... -
Synthesis of Calcium Nitrate Self-Healing Microcapsules Using Aerosol OT Hexane Solution for Cementitious Materials
( Qatar University Press , 2023 , Conference)Calcium nitrate synthesis of in urea-formaldehyde shell has recently been used to produce self-healing microcapsules for construction applications. The original synthesis was based on water-in-oil emulsion with sulfonic ...
