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Author: J-S Chen Publisher: ISBN: Category : Aggregate gradation Languages : en Pages : 7
Book Description
This paper is aimed at quantifying coarse aggregate shape in an efficient manner and relating aggregate characteristics to mix properties. Digital image analysis was used to evaluate aggregate characteristics such as elongation, flatness, and other shape indices. The following particle shapes were selected for this study: cubical, rod, disk, and blade. Data showed that the morphological characteristics of coarse aggregate correlated well with the results of other indirect tests such as the particle index. Cubical particles possessed the best rutting resistance over the other shapes. Flaky and/or elongated aggregate in a mixture resulted in a lower resistance to shear deformation. The morphological characteristics of coarse aggregates found from image analysis were in good agreement with the engineering properties of hot-mix asphalt (HMA) mixtures. This paper presents a precise method to evaluate the aggregate characteristics in an HMA mix and demonstrates their effects on pavement performance.
Author: J-S Chen Publisher: ISBN: Category : Aggregate gradation Languages : en Pages : 7
Book Description
This paper is aimed at quantifying coarse aggregate shape in an efficient manner and relating aggregate characteristics to mix properties. Digital image analysis was used to evaluate aggregate characteristics such as elongation, flatness, and other shape indices. The following particle shapes were selected for this study: cubical, rod, disk, and blade. Data showed that the morphological characteristics of coarse aggregate correlated well with the results of other indirect tests such as the particle index. Cubical particles possessed the best rutting resistance over the other shapes. Flaky and/or elongated aggregate in a mixture resulted in a lower resistance to shear deformation. The morphological characteristics of coarse aggregates found from image analysis were in good agreement with the engineering properties of hot-mix asphalt (HMA) mixtures. This paper presents a precise method to evaluate the aggregate characteristics in an HMA mix and demonstrates their effects on pavement performance.
Author: Shaopeng Wu Publisher: MDPI ISBN: 3039210149 Category : Technology & Engineering Languages : en Pages : 256
Book Description
Construction materials are the most widely used materials for civil infrastructure in our daily lives. However, from an environmental point of view, they consume a huge amount of natural resources and generate the majority of greenhouse gasses. Therefore, many new and novel technologies for designing environmentally friendly construction materials have been developed recently. This Special Issue, “Environment-Friendly Construction Materials”, has been proposed and organized as a means to present recent developments in the field of construction materials. It covers a wide range of selected topics on construction materials.
Author: Shao Peng Wu Publisher: Trans Tech Publications Ltd ISBN: 3038264083 Category : Technology & Engineering Languages : en Pages : 390
Book Description
Volume is indexed by Thomson Reuters CPCI-S (WoS). With the development of Chinese infrastructure, the consumption of silicate building materials has been increasing yearly. Meanwhile, the requirements of sustainable development for silicate building materials are also increasing due to the strengthening of peoples consciousness of environment protection. The aim of this book is to publish the latest research progress on silicate building materials, which have been discussed on 2013 Annual Meeting of Chinese Ceramic Societys Building Materials Branch. Moreover, this book will provide the platform for researchers all over the world to exchange their ideas on building materials.
Author: Kaustubh Dasgupta Publisher: Springer Nature ISBN: 3030551156 Category : Technology & Engineering Languages : en Pages : 959
Book Description
This book gathers peer-reviewed contributions presented at the 1st International Conference on Structural Engineering and Construction Management (SECON’20), held in Angamaly, Kerala, India, on 14-15 May 2020. The meeting served as a fertile platform for discussion, sharing sound knowledge and introducing novel ideas on issues related to sustainable construction and design for the future. The respective contributions address various aspects of numerical modeling and simulation in structural engineering, structural dynamics and earthquake engineering, advanced analysis and design of foundations, BIM, building energy management, and technical project management. Accordingly, the book offers a valuable, up-to-date tool and essential overview of the subject for scientists and practitioners alike, and will inspire further investigations and research.
Author: T. Fletcher Publisher: ISBN: Category : Aggregate Languages : en Pages : 8
Book Description
Aggregate shape has a significant effect on the performance of asphalt mixes. Designing well-performing asphalt pavements requires developing methods to quantify rapidly and accurately the different aggregate shape properties, and most importantly, relate these properties to performance. Aggregate texture has been identified in several studies to be the shape property that has the most significant influence on asphalt mix performance. This study presents a new procedure for measuring aggregate texture using image analysis techniques. The main advantages of this new procedure are the ability to capture the different sizes of texture elements, to separate the true texture from the color variations on the aggregate surface, and to characterize both fine and coarse aggregates. The procedure is used to measure texture for a wide range of fine and coarse aggregates, and the results are compared with the laboratory performance of asphalt mixes. The analysis shows that the procedure yields detailed information on aggregate texture in a short time. The texture measurements have very good correlation with the resistance of asphalt mixes to permanent deformation measured in the laboratory using different wheel tracking devices.
Author: Thomas D. White Publisher: ASTM International ISBN: 9780803128927 Category : Technology & Engineering Languages : en Pages : 210
Book Description
Containing 13 papers from the December 2000 conference in Orlando, Florida, this book covers the use of the PURWheel laboratory tracking device, the Asphalt Pavement Analyzer, the identification of aggregate role, the evaluation of sensitivity, fine aggregate angularity, guidelines for the selection
Author: J-S Chen
Author: J-S Chen
Author: Brian D. Prowell
Author: E. Tutumluer
Author: Shaopeng Wu
Author: Shao Peng Wu
Author: Kaustubh Dasgupta
Author: T. Fletcher
Author: Thomas D. White
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