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Notes:
This CD contains two HTML
documents, the User Guidelines and the Consensus Framework. You will need
an Internet browser, such as Internet Explorer or Netscape Navigator,
to view these documents. Within the HTML documents you will find useful
links to tables, other locations in the document, etc. Use your browser's
BACK button to return to your original location after selecting a link.
If you are running an installation tracker
such as Norton Cleansweep, it may activate when this CD is inserted. This
is normal and you may simply close the window. When you begin installing
the NCHRP 4-21 Database, the tracker window will open again. You may use
your installation tracker to facilitate future uninstalls.
User Guidelines for Waste and Byproduct
Materials in Pavement Construction
This document provides information about the use of 19 waste and byproduct
materials in six major highway applications. Each material is described
(origin, current management options, market sources, and general uses).
Detailed information is also given about their use in specific highway
applications (performance records. processing, requirements, engineering
properties, design considerations, construction procedures, unresolved
issues). The document also lays out conceptual evaluation guidance issues
(framework, environmental, costs) and describes the six major highway
applications. Dr. Warren H. Chesner of Chesner Engineering. P.C. Robert
J. Collins of Robert J. Collins & Associates, and Michael H. MacKay of
John Emery Geotechnical Engineering Ltd. are the authors. This work was
funded through cooperative agreement DTFH61-95-C-00035 to Chesner Engineering,
P.C. from FHWA. It is also available as publication number FHWA-RO-97-148
and can be seen on-tine at http://tfhrc.gov/hnr20/recycle/waste/begin.htm.
Waste and Recycled Materials in the
Transportation Industry NCHRP 4-21 Database
This database contains information on 21 waste and recycled materials.
Information includes photographs of the materials, general information,
production and use data, engineering properties data, environmental properties
data. suitable highway applications, laboratory testing, field testing,
references and points of contact. The work was sponsored by AASHTO in
cooperation with the FHWA and conducted under the auspices of the National
Highway Cooperative Research Program which is administered by the Transportation
Research Board of the National Research Council. The authors are Dr. Warren
H. Chesner, P.E., Christopher Stein, Robert J. Collins, and Lynette Van
Helden of Chesner Engineering. P.C. Supporting technical information was
provided by Michael H. MacKay, RE. of John Emery Geotechnical Engineering
Ltd. The work was conducted under NCHRP contract HR4-21 to Chesner Engineering.
Framework for Evaluating Use of Recycled
Materials in the Highway Environment
This document, a follow-on to
the User Guidelines and NCHRP 4-21 projects, provides a consensus framework
for state transportation and environmental regulators to evaluate the
prospective use of recycled materials in the highway environment. A logical
framework is provided with issues identification, preliminary screening,
laboratory testing, and field testing stages. A variety of approval and
material modification steps are also offered. Extensive test methods and
applicable standards or criteria (both materials and environmental) are
given for the laboratory and field testing stages. An Expert Review Panel,
consisting of experts from the highway community and state agency personnel,
helped craft the approach. The document was authored by Dr. Taylor Eighmy
of the University of New Hampshire (UNH) and Dr. Warren H. Chesner of
Chesner Engineering, P.C. this work was funded by cooperative agreement
DTFH61-97-X-00020 to UNH from the FHWA, It can be seen on-line at http://www.rmrc.unh.edu/Partners/Framework/Start/start.htm.
Pavement Life-cycle Assessment Tool
for Environmental and Economic Effects
PaLATE is an Excel-based tool for life-cycle assessment (LCA) of environmental
and economic effects of pavements and roads. The tool takes user input
for the design, initial construction, maintenance, equipment use, and
costs for a roadway, and provides outputs for the life-cycle environmental
effects and costs. Who should use PaLATE? Pavement designers, transportation
agency decision-makers, civil engineers, and researchers are the intended
users of this tool. Users should have a working knowledge of pavements
and a desire to learn more about the environmental and economic implications
of their decisions. PaLATE users may enter data about an existing, proposed,
or hypothetical roadway to determine the environmental and economic effects
of their decisions
PaLATE Website: http://construction.berkeley.edu/%7Ehorvath/palate.html
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