Geosynthetics February/March 2021 - 39
Solmax launches online
Geosynthetic Drainage Tool
for design engineers
Geosynthetics play a vital role in the
containment of solid and liquid waste in
landfills, mining, energy, construction,
and oil and gas applications. To help
design engineers accurately specify the
materials needed, Solmax has launched
an online resource for engineers-its
Geosynthetic Drainage Tool. Solmax's
free online Geosynthetic Drainage Tool
provides project engineers with the
material properties for drainage geonets
and geocomposites, details the design
procedures for using these materials
in solid waste and liquid containment
applications, and provides calculation
equation sheets and interactive design
examples. To try out the tool, visit
www.onlinedrainagedesign.com.
FHWA proposes more
flexible design standards
to repair the nation's
freeways and interstates
The Federal Highway Administration
(FHWA) published a Notice of Proposed
Rulemaking (NPRM) to allow state
departments of transportation more flexibility with design standards to repair the
nation's freeways and interstate highways.
" The FHWA proposes to provide
regulatory relief to states to address the
immediate repair needs of our nation's
ro adways wit hout compromising
safety and efficiency, " Federal Highway
Administrator Nicole R. Nason said.
The rule would allow states to develop
design standards for resurfacing, restoration and rehabilitation projects-commonly known as RRR-for freeways,
including those on the interstate system,
which has been a longstanding practice
for nonfreeway projects.
Consistent with federal law, RRR standards would be required to preserve and
extend the service life of the existing road
and enhance highway safety. This change
would allow states to develop RRR freeway projects using a performance-based,
flexible approach.
The RRR standards developed by states
would be subject to FHWA approval.
FHWA would continue to work with state
departments of transportation as they
develop RRR design standards that integrate safety and cost-effectiveness.
The rule also proposes to incorporate
by reference the latest versions of design
standards and standard specifications
that have been previously adopted. G
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Geosynthetics February/March 2021
Table of Contents for the Digital Edition of Geosynthetics February/March 2021
Geosynthetics February/March 2021 - 1
Geosynthetics February/March 2021 - 2
Geosynthetics February/March 2021 - 3
Geosynthetics February/March 2021 - 4
Geosynthetics February/March 2021 - 5
Geosynthetics February/March 2021 - 6
Geosynthetics February/March 2021 - 7
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