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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>Fleets weigh the benefits of retreads versus new tires</title>
      <link>https://trid.trb.org/View/1481699</link>
      <description><![CDATA[]]></description>
      <pubDate>Wed, 06 Sep 2017 09:59:21 GMT</pubDate>
      <guid>https://trid.trb.org/View/1481699</guid>
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      <title>Duty Cycle Performance Test of Retread Tires</title>
      <link>https://trid.trb.org/View/1356471</link>
      <description><![CDATA[The Fleet and Material Management Unit (FMMU) manages the Retread Program for the North Carolina Department of Transportation (NCDOT). Over the past several years, questions have been raised as to the performance of the various types of retreads, and how their respective performance stacks up against each other, as well as against new tires. In order to determine the cost effectiveness of the Retread Program, the FMMU has commissioned comparative evaluation performance studies of major brands of recaps and new tires in “real world duty cycle” environments. The overall objective of this study was to generate data on the cost effectiveness of using retreads (1100R 22.5) versus new tires and compare the cost effectiveness of different types of retreads (i.e., (i) Top Cap - Pre-cure, (ii) Top Cap - Mold-cure, (iii) Wing Tread, and (iv) Bead to Bead) using the methodology described in Recommended Practice (RP) 203A entitled Test Tire Procedures for Tread Wear, Serviceability and Fuel Economy published by the American Trucking Association’s (ATA’s) Technology and Maintenance Council (TMC). This final report has been prepared to describe all tasks and results of the overall research effort at the conclusion of this project. Details on the testing, analyses, and findings are included. The study provides the NCDOT with an objective assessment of the performance of select tires within real world duty cycles.]]></description>
      <pubDate>Sat, 20 Jun 2015 11:03:36 GMT</pubDate>
      <guid>https://trid.trb.org/View/1356471</guid>
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      <title>Tyre durability of tractor units using remolding and retreading technologies</title>
      <link>https://trid.trb.org/View/1343736</link>
      <description><![CDATA[This paper has been the product of the investigation and application of the results of more than 5 years in the use of tyres of international brand tractor units representing the vehicles which are the subject matter of this paper. Tractor units support a weight ranging from 40 and 50 tones; for this reason, their tyres must have a resistance that guarantees the completion of their useful life. The tyres of these vehicles may suffer big deformations but their shape may be recovered once the effort producing the deformation disappears. This characteristic allows them to exploit all its potential and fully extend their useful life period. This can be achieved through the application of tyre remolding and retreading technologies, widely used processes in the industry in most parts of the world, as the most profitable manner to extend the useful life period of tyres. In Cuba, there is a general culture on the use of tyre retreading technology, but not on the use of remolding technology, being it a feasible way that could provide greater savings in the economy and could guarantee the solution to big needs in production and services.]]></description>
      <pubDate>Tue, 17 Feb 2015 13:46:29 GMT</pubDate>
      <guid>https://trid.trb.org/View/1343736</guid>
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      <title>Retread your way to prosperity : retreading may not guarantee financial success, but it will lower your costs and improve your bottom line</title>
      <link>https://trid.trb.org/View/1321644</link>
      <description><![CDATA[]]></description>
      <pubDate>Tue, 02 Sep 2014 10:02:43 GMT</pubDate>
      <guid>https://trid.trb.org/View/1321644</guid>
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      <title>Improved retreads help wide-base tire users extend life of product, say fleets, makers</title>
      <link>https://trid.trb.org/View/1304080</link>
      <description><![CDATA[Sidebar: Wheel sales rising, manufacturers say.]]></description>
      <pubDate>Wed, 02 Apr 2014 10:34:55 GMT</pubDate>
      <guid>https://trid.trb.org/View/1304080</guid>
    </item>
    <item>
      <title>Retreading wide-base tires : the retreading process isn't much different, but the cost of tires improves the ROI on your tire-buying dollar</title>
      <link>https://trid.trb.org/View/1277468</link>
      <description><![CDATA[]]></description>
      <pubDate>Mon, 18 Nov 2013 10:23:25 GMT</pubDate>
      <guid>https://trid.trb.org/View/1277468</guid>
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      <title>Säkerhetsrisker kopplat till däck, fälg och hjul: en litteraturstudie</title>
      <link>https://trid.trb.org/View/1265449</link>
      <description><![CDATA[A literature review about the road safety effects associated with tires, rims and wheels was carried out, where the literature search was done in consultation with the VTI Library and information centre. Keywords were based partly on the assumptions that Däckspecialisternas Riksförbund has produced, but also based on the authors' knowledge, experience and networks in the field. The outcome resulted in approximately 90 different references, most of which refer to research articles in peer reviewed journals, but also some independent reports and books. A clear distinction was made with slip-related accidents related to winter conditions and different types of snow tires/tire characteristics not included in the study. Furthermore, only the type of accidents that occurs during vehicle operation was treated, which means that work accidents occurring during a service are not included in the study. Some of the major reference works encountered in the area are: Gardner and Queiser (2005) “Introduction to tire safety, durability and failure analysis", Grogan (1999) "The Investigator’s guide to tire failures", Bullas (2004) "Tyres, road surfaces and reducing accidents - a review". Overall, most research concerns damage or wear of the tires. There is not much research published on the rim effect on road safety, and a U.S. accident investigator believes that the wheels generally are extremely reliable. Of the anomalies that can occur for the wheel as a whole, loosening of the wheel is the most serious. The studies that we found dealing with wheel imbalance only apply to comfort problems and increased road wear. Different wheel alignment will affect a vehicle's handling, but we have not found any study that has related this to road safety. For tires, we found no research on how different tire sizes and brands mounted on a vehicle affect its safety. Several studies show that there is a risk involved with mounting new tires on the front axle and worn tires on the rear axle. There is a consensus that during the replacement of two tires, the new tires should always be positioned on the rear axle, regardless if the vehicle is front or rear wheel driven. A number of studies show how the tread depth affects the wet grip during braking, and how the tires with less than 3 mm tread depth lose about half of the available friction compared to new tires. Vehicles with worn tires (<3 mm) are also heavily overrepresented in Finnish accident statistics. Among heavy vehicle]]></description>
      <pubDate>Thu, 17 Oct 2013 10:42:12 GMT</pubDate>
      <guid>https://trid.trb.org/View/1265449</guid>
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      <title>Simulation of tyre retreading process - An Indian case study</title>
      <link>https://trid.trb.org/View/1238790</link>
      <description><![CDATA[Tyre retreading is a process where used tyres are subjected to a sequence of value additive operations and are converted to reusable ones. Several benefits are associated with this process, like savings in cost, energy and reduction in environmental pollution. Collection of used tyres from the customers is characterised by the uncertainty in quantity, quality of used tyres, and timing of collection. The collected used tyres are subjected to two sets of operations, separated by a stage of inspection and subsequent rejection of tyres if found non-retreadable. First set of operations remains unchanged irrespective of the condition of used tyres, whereas the work content of the second set varies with the condition of tyres. Some activities in retreading process are essentially manual in nature and the durations of manual activities are probabilistic, leading to formation of queue and delaying the subsequent stages. The aim of this paper is to analyse the whole system of retreading process, keeping in view the stochasticity in collection and processing, applying system simulation so as to help the decision maker plan for judicious manpower deployment, particularly for labour intensive operations.]]></description>
      <pubDate>Tue, 19 Feb 2013 08:53:24 GMT</pubDate>
      <guid>https://trid.trb.org/View/1238790</guid>
    </item>
    <item>
      <title>Co$t recovery</title>
      <link>https://trid.trb.org/View/1215240</link>
      <description><![CDATA[Why let a good casing go to waste when you'll get much better value from retreading it?]]></description>
      <pubDate>Mon, 01 Oct 2012 10:45:09 GMT</pubDate>
      <guid>https://trid.trb.org/View/1215240</guid>
    </item>
    <item>
      <title>Retreaded pneumatic passenger car tyres</title>
      <link>https://trid.trb.org/View/1207675</link>
      <description><![CDATA[This specification sets out the minimum requirements for the retreading of pneumatic passenger car tyres, and defines the performance, and dimensional and physical requirements for the retreaded tyres.  The specification includes requirements for retread materials, limits of damage, processing, marking, and final inspection.  The range of tyres referred to is that covered by AS D31, new pneumatic passenger car tyres, and corresponding older tyres.  Unless otherwise specified, the requirements apply to both tubed and tubeless tyres. (A)]]></description>
      <pubDate>Fri, 24 Aug 2012 22:42:40 GMT</pubDate>
      <guid>https://trid.trb.org/View/1207675</guid>
    </item>
    <item>
      <title>Tyre safety</title>
      <link>https://trid.trb.org/View/1207045</link>
      <description><![CDATA[]]></description>
      <pubDate>Fri, 24 Aug 2012 22:05:39 GMT</pubDate>
      <guid>https://trid.trb.org/View/1207045</guid>
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    <item>
      <title>Review of tyre standards and safety: stage 1</title>
      <link>https://trid.trb.org/View/1202759</link>
      <description><![CDATA[]]></description>
      <pubDate>Fri, 24 Aug 2012 18:42:46 GMT</pubDate>
      <guid>https://trid.trb.org/View/1202759</guid>
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    <item>
      <title>Proper tyre selection</title>
      <link>https://trid.trb.org/View/1190581</link>
      <description><![CDATA[]]></description>
      <pubDate>Fri, 24 Aug 2012 11:27:41 GMT</pubDate>
      <guid>https://trid.trb.org/View/1190581</guid>
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    <item>
      <title>Retreads for wide profile singles? bandag has a two part answer</title>
      <link>https://trid.trb.org/View/1188314</link>
      <description><![CDATA[]]></description>
      <pubDate>Fri, 24 Aug 2012 08:04:20 GMT</pubDate>
      <guid>https://trid.trb.org/View/1188314</guid>
    </item>
    <item>
      <title>Taking the retread road</title>
      <link>https://trid.trb.org/View/1184849</link>
      <description><![CDATA[]]></description>
      <pubDate>Fri, 24 Aug 2012 05:26:31 GMT</pubDate>
      <guid>https://trid.trb.org/View/1184849</guid>
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