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Now showing items 21-30 of 30
Acoustic Performance Evaluation of Dense-Graded Asphalt Pavements in Qatar
(
Hindawi
, 2021 , Article)
There is pressing and growing demand from the public to design and construct roads with a low noise level. This paper investigated the acoustic performance of asphalt pavements in the State of Qatar to assist transport ...
Rheological, Thermal, and Chemical Evaluation of Asphalt Binders Modified Using Crumb Rubber and Warm-Mix Additive
(
American Society of Civil Engineers (ASCE)
, 2022 , Article)
This study evaluates the potential of producing warm-mix asphalt (WMA) using a wax-based additive (Sasobit) in a binder modified using crumb rubber (CR). This binder is formulated for very hot climates and has a grade of ...
Performance evaluation of full-scale sections of asphalt pavements in the State of Qatar
(
American Society of Civil Engineers (ASCE)
, 2014 , Article)
The population and economy in the State of Qatar have been increasing in the past 5 years. Accordingly, traffic loading has also increased rapidly, which affected the performance of existing roads and highways. This high ...
Comprehensive evaluation of long-term aging of asphalt mixtures in hot climatic condition
(
Taylor & Francis
, 2018 , Article)
Aging is an inevitable phenomenon in hot mix asphalt production and during in-service period of flexible pavement operation. This paper presents an experimental evaluation of long-term aging of asphalt mixtures in Qatar. ...
A framework for the analysis of damage and recovery characteristics of asphalt mixtures
(
Taylor & Francis
, 2020 , Article)
This study presents two approaches for evaluating damage and recovery characteristics of asphalt mixtures. The first approach focuses on determining damage by extracting recoverable viscoelastic strain that has no damage ...
Comparative Characterization of Field and Laboratory-Aged Binders Modified with Antioxidant Additives and Copolymers Using Fourier Transform Infrared Spectroscopy and Gel Permeation Chromatography
(
American Society of Civil Engineers (ASCE)
, 2022 , Article)
This study investigates the behavior of antioxidant additives and copolymers to an asphalt binder by comparing laboratory-aged (up to 60 h) and antioxidant-modified binders with binders extracted from field cores. To ...
Assessment of Pavement Performance Management Indicators Through Analytic Network Process
(
Institute of Electrical and Electronics Engineers Inc. (IEEE)
, 2022 , Article)
Pavement industry is very critical for any public authority looking after the safety and comfort of its citizens because it is the backbone of many transportation networks. Studying the factors that affect the pavement ...
Impact of Aging on the Microstructure of Asphalt Binder Modified with Antioxidant Additives and Copolymers
(
Chinese Society of Pavement Engineering
, 2023 , Article)
The effect of long-term aging on asphalt binders mixed with antioxidant additives and copolymers demonstrated potential for retarding oxidative aging at the nanoscale based on atomic force microscopy (AFM) characterization. ...
Assessment of Critical Project Success Factors for Management of Pavement Construction Using the Delphi Approach
(
American Society of Civil Engineers (ASCE)
, 2024 , Article)
Construction project management is typically adopted in modern civil landscapes. Owing to the significant global increase in infrastructure investments, it is crucial to analyze the success and timely completion of such ...
Application of Tools of Quality Function Deployment and Modified Balanced Scorecard for Optimal Allocation of Pavement Management Resources
(
Institute of Electrical and Electronics Engineers Inc. (IEEE)
, 2020 , Article)
Pavement management is a set of tools used to evaluate and maintain pavements so that the pavements can be used safely and effectively over a certain period. Many traditional methods were and are still being used by entities ...