Development of a Crumb Rubber Modified (CRM) Asphalt Concrete Mix Design

Development of a Crumb Rubber Modified (CRM) Asphalt Concrete Mix Design
Author: Mustaque Hossain
Publisher:
Total Pages: 112
Release: 1995
Genre: Asphalt-rubber
ISBN:

The objective of this project was to develop an asphalt mix design method incorporating crumb rubber and using the "Wet" or "Dry" method of producing Crumb Rubber Modified Asphalt (CRM). Several resurfacing projects have been constructed using both the "Wet" and "Dry" methods. Based on this study, the Kansas Department of Transportation could use CRM mixes with a binder content between 7.5% and 9.0% depending on the percent air voids, with 19% to 22% rubber content. In this study, it was observed that using 24% rubber produced mixes that were too sticky to manage. With a rubber content of less than 18% combined with AC-5 it was difficult to satisfy the minimum viscosity requirements. Fracture tests can be used as a basis to determine the optimum binder content for any asphalt-rubber mix.

AASHTO Guide for Design of Pavement Structures, 1993

AASHTO Guide for Design of Pavement Structures, 1993
Author: American Association of State Highway and Transportation Officials
Publisher: AASHTO
Total Pages: 622
Release: 1993
Genre: Pavements
ISBN: 1560510552

Design related project level pavement management - Economic evaluation of alternative pavement design strategies - Reliability / - Pavement design procedures for new construction or reconstruction : Design requirements - Highway pavement structural design - Low-volume road design / - Pavement design procedures for rehabilitation of existing pavements : Rehabilitation concepts - Guides for field data collection - Rehabilitation methods other than overlay - Rehabilitation methods with overlays / - Mechanistic-empirical design procedures.

Asphalt Paving Technology

Asphalt Paving Technology
Author: Carl L. Monismith
Publisher: McGraw-Hill Companies
Total Pages: 480
Release: 1997-06
Genre: Technology & Engineering
ISBN: 9780070429833

Focusing on asphalt paving technology, this work emphasizes quality control and quality assurance programmes in producing high-quality pavements. It combines theory and practice of asphalt paving including developments and information from the recently completed Strategic Highway Research Program which was designed to improve asphalt specifications, mix design and analysis systems.

Uses of Recycled Rubber Tires in Highways

Uses of Recycled Rubber Tires in Highways
Author: Jon A. Epps
Publisher: Transportation Research Board
Total Pages: 172
Release: 1994
Genre: Technology & Engineering
ISBN: 9780309053235

This synthesis on the use of recycled rubber tires in highways will be of interest to administrators and policy-makers; pavement, materials, geotechnical, environmental, and traffic operations engineers; and research engineers involved with highway design and construction issues. Information is provided on the uses of rubber tires in asphalt paving materials as well as other uses, such as on fills and embankments, for erosion control and on railroad grade crossings. Specifically, information is included which identifies the agencies using or implementing applications for recycled rubber tires and defines the design parameters, technical and construction limitations, performance, costs, benefits, environmental limitations, specifications, and availability. This synthesis of information defines the use of recycled rubber tires in highways and is based on a review of nearly 500 references and on information recorded from state highway agency responses to a 1991 survey of practice. Updates are included for as much of the state practice information possible through 1993. The use of scrap tires for highway applications is dynamic with regard to policy and technical issues. Therefore, the reader should keep in mind that the information presented reflects the best available data at a particular time. The synthesis also identifies current research in the topic area, critical research needs, and legislative issues that affect application and use of recycled rubber tires.

Crumb Rubber Modifier

Crumb Rubber Modifier
Author:
Publisher:
Total Pages: 300
Release: 1993
Genre: Asphalt-rubber
ISBN:

Section 1038 of the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA) contains provisions for each State to begin incorporating scrap tire rubber into their asphalt paving materials. A workshop was developed through the cooperation of highway agencies and the asphalt industry to discuss present procedures and practices for designing and constructing asphalt pavements which incorporate scrap tire rubber (crumb rubber modifier). These workshop notes were prepared from the proceedings of the 13 workshop sessions.

Recent Developments in Pavement Design, Modeling and Performance

Recent Developments in Pavement Design, Modeling and Performance
Author: Sherif El-Badawy
Publisher: Springer
Total Pages: 205
Release: 2018-10-30
Genre: Science
ISBN: 303001908X

This volume includes a collection of research and practical papers from an international research and technology activities on recent developments in pavement design, modeling and performance, and effects on infrastructure, green energy, technology and integration. Sustainability is increasingly a key priority in engineering practices. With the aging transportation infrastructure and renewed emphasis on infrastructure renovation by transportation agencies, innovations are urgently needed to develop materials, designs, and practices to ensure the sustainability of transportation infrastructure. The volume is based on the best contributions to the 2nd GeoMEast International Congress and Exhibition on Sustainable Civil Infrastructures, Egypt 2018 – The official international congress of the Soil-Structure Interaction Group in Egypt (SSIGE).

Use of Recycled Plastics in Eco-efficient Concrete

Use of Recycled Plastics in Eco-efficient Concrete
Author: F. Pacheco-Torgal
Publisher: Woodhead Publishing
Total Pages: 492
Release: 2018-11-21
Genre: Technology & Engineering
ISBN: 0081027338

Use of Recycled Plastics in Eco-efficient Concrete looks at the processing of plastic waste, including techniques for separation, the production of plastic aggregates, the production of concrete with recycled plastic as an aggregate or binder, the fresh properties of concrete with plastic aggregates, the shrinkage of concrete with plastic aggregates, the mechanical properties of concrete with plastic aggregates, toughness of concrete with plastic aggregates, modulus of elasticity of concrete with plastic aggregates, durability of concrete with plastic aggregates, concrete plastic waste powder with enhanced neutron radiation shielding, and more, thus making it a valuable reference for academics and industrial researchers. - Describes the main types of recycled plastics that can be applied in concrete manufacturing - Presents, for the first time, state-of-the art knowledge on the properties of conventional concrete with recycled plastics - Discusses the technological challenges for concrete manufactures for mass production of recycled concrete from plastic waste

Development of Structural Layer Coefficients of Crumb Rubber-modified Asphalt Mixes from In-situ Deflection Tests

Development of Structural Layer Coefficients of Crumb Rubber-modified Asphalt Mixes from In-situ Deflection Tests
Author: Affan Habib
Publisher:
Total Pages: 68
Release: 1997
Genre: Asphalt-rubber
ISBN:

This report includes the results of testing Crumb Rubber Modified (CRM) asphalt to quantify the layer coefficient values for CRM mixes. Several test sections were selected from recently constructed CRM pavement. The Falling Weight Deflectometer (FWD) data were collected at 15 meter intervals on each test section during a one month period.

Tire Waste and Recycling

Tire Waste and Recycling
Author: Trevor Letcher
Publisher: Academic Press
Total Pages: 652
Release: 2021-03-25
Genre: Science
ISBN: 0128206861

Tire Waste and Recycling takes a methodical approach to the recycling of tires, providing a detailed understanding on how to manage, process, and turn waste tires into valuable materials and industrial applications. Sections cover fundamental aspects such as tire use, composition, trends, legislation, the current global situation, the possibilities for moving towards a circular economy, lifecycle options, treatment methods, and opportunities for re-use, recycling and recovery. Subsequent sections of the book focus on specific technologies that enable the utilization of waste tires in the development of high value materials and advanced applications. Finally, the future of tire recycling is considered. This is an essential resource for scientists, R&D professionals, engineers and manufacturers working in the tire, rubber, waste, recycling, automotive and aerospace industries. In academia, the book will be of interest to researchers and advanced scientists across rubber science, polymer science, materials engineering, environmental science, chemistry and chemical engineering. - Offers systematic coverage of tire recycling, covering composition, lifecycle, processing options, material developments and latest technologies - Explains end-of-life-options in detail, considering approaches and methods for reduction, re-use, recycling and recovery - Explores key application and product areas for recycled tire materials, from civil engineering, sports and leisure, to roads and transport, construction, automotive, and many more