Chip Seal Best Practices (2005) / Chapter Skim
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Chip Seals as a Tool for Preventive Maintenance
Chip Seals as a Tool for Preventive Maintenance
Pages 6-8
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From page 6... ...
The literature review furnished a global perspective for identifying successful chip seal programs. Particular attention was paid to the sophisticated chip seals of Australia, New Zealand, South Africa, and the United Kingdom, as these nations consistently confirm chip sealing benefits and successful results on both low-volume and high-volume roads with routine service lives that are nearly double those assumed in North America, as shown in Figure 2.
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From page 7... ...
The pavement preservation definition developed by the FHWA Pavement Preservation Expert Task Group states that Pavement preservation is a program employing a network level, long-term strategy that enhances function pavement performance by using an integrated, cost-effective set of practices that extend pavement life, improve safety, and meet motorist expectations (Pavement Preservation .
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From page 8... ...
Chip seals are expected to provide at least 5 years of service; therefore, three or four chip seals may be necessary for a pavement to reach its design life. When applied on an existing flexible pavement, a chip seal will provide a surface wearing course, seal the underlying pavement against water intrusion, enhance or restore skid resistance, and enrich the pavement surface to prevent the distresses caused by oxidation.
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