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LTPP PAVEMENT MAINTENANCF MATERIALS SPS-4 SUPPLEMENTAL JOINl SEAL EXPERIMENT, FINAL REPORT
| 题名： | LTPP PAVEMENT MAINTENANCF MATERIALS SPS-4 SUPPLEMENTAL JOINl SEAL EXPERIMENT, FINAL REPORT |
| 作者： | K L. SMITH. M.A Pozsgay. L D Evans, and A.R Romine |
| 关键词： | Concrete pavement, pavement maintenance, joints, joint scaling, joint sealant, performance, service life. cost-effectiveness |
| 摘要： | The Strategic Highway Research Program (SHRP) Specific Pavement Studies (SPS)-4 preventive maintenance experiment was established to determine the benefits and cost-effectiveness of concrete maintenance activities, such as joint sealing and slab undersealing Since 1989, several test sites nave been constructed throughout the United States for this pm pose A secondary investigation at some of these SPS.4 sites has focused on the long-term effectiveness of various joint seal treatments(i e.. combinations of sealant material and installation method) at preventing the infiltration of water into the pavement structure. Referred to as supplemental joint seal sites, a total of six such sites were sonstrueted adjacent to SP.S-4 lest sites, and the performance of the various joint seal treatments have been monitored under the Federal highway Administration (El IW A) Long-Term Monitoring (LTM) of Pavement Maintenance Materials Test Sites project. This report documents the entire SPS-4 supplemental joint sea! study, including the installation of 29 unique joint seal treatments, the laboratory testing of experimental sealant materials, and the multi-year performance monitoring of the various Joint seal treatments. It also discusses the results of comprehensive s seatistical analyses conducted on sealant material performance |
| 报告类型： | 科技报告 |
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