Guidance Document for Reclaimed Portland Cement Concrete PDF Download
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Author: Gajanan M. Sabnis
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 122
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Book Description
Author: Gajanan M. Sabnis
Publisher:
ISBN:
Category : Pavements, Concrete
Languages : en
Pages : 122
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Book Description
Author: David Robert Luhr
Publisher:
ISBN: 9780893122478
Category : Pavements, Asphalt
Languages : en
Pages : 15
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Book Description
Full-depth reclamation (FDR) is a roadway rehabilitation process that recycles the materials from deteriorated asphalt pavement, and, with the addition of portland cement, creates a new stabilized base. This guide to FDR discusses its applications, benefits, design, construction, and testing.
Author: Pennsylvania Transportation Institute
Publisher:
ISBN:
Category :
Languages : en
Pages : 50
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Book Description
Author:
Publisher:
ISBN:
Category : Aggregates (Building materials)
Languages : en
Pages : 148
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Book Description
This research project covered a wide range of activities that allowed researchers to understand the relationship between stability, pavement distress, and recycled portland cement concrete (RPCC) subbase aggregate materials. Detailed laboratory and field tests, including pavement distress surveys, were conducted at 26 sites in Iowa. Findings show that specific gravities of RPCC are lower than those of crushed limestone. RPCC aggregate material varies from poorly or well-graded sand to gravel. A modified Micro-Deval test procedure showed that abrasion losses of virgin aggregate materials were within the maximum Micro-Deval abrasion loss of 30% recommended by ASTM D6028-06. Micro-Deval abrasion loss of RPCC aggregate materials, however were much higher than those of virgin materials and exceeded 30% loss. Modulus of elasticity of RPCC subbase materials is high but variable. RPCC subbase layers normally have low permeability. The pavement surfaces for both virgin and RPCC subbase across Iowa were evaluated to fulfill the objectives of this study related to field evaluation. Visual distress surveys were conducted to gather the detailed current pavement condition information including the type, extent, and severity of the pavement distresses. The historical pavement condition information for the surveyed field sections was extracted from the Iowa DOT's Pavement Management Information System (PMIS). The current surface condition of existing field pavements with RPCC subbase was compared with the virgin aggregate subbase sections using two different approaches. The changes in pavement condition indices (PCI and IRI) with time for both types of pavements (subbases) were compared.
Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 2014
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Book Description
Author: Asphalt Institute
Publisher:
ISBN: 9781934154175
Category : Asphalt
Languages : en
Pages : 102
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Book Description
Author: DIANE Publishing Company
Publisher: DIANE Publishing
ISBN: 9780788123337
Category : Nature
Languages : en
Pages : 72
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Book Description
The EPA's proposal for a Comprehensive Procurement Guideline designating items that are or can be made with recovered materials. Covers: background (materials in solid wastes; benefits of recycling; requirements; criteria for selecting items for designation; and methodology for selecting items for designation); paper and paper products; vehicular products; construction products; transportation products; park and recreation products; landscaping products; non-paper office products and more. Tables.
Author:
Publisher:
ISBN:
Category : Highway research
Languages : en
Pages : 64
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Book Description
Author: Portland Cement Association
Publisher:
ISBN:
Category : Soil cement
Languages : en
Pages : 46
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Book Description
Author: William A. Yrjanson
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 60
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Book Description
This synthesis will be of interest to pavement designers, construction engineers, and others interested in economical methods for recontstructing portland cement concrete (PCC) pavements. Information is provided on the processes and procedures used by a number of states in using PCC pavement as aggregate in reconstructed concrete pavement. Since 1975 a number of state highway agencies have reconstructed concrete pavements using the old PCC as aggregate in the new pavement. This report of the Transportation Research Board describes the processes used on various projects in several states, giving details of construction procedures, as well as test results on various properties of the recycled aggregates and the resultant concrete.
