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Guidelines for the Use of Ground Penetrating Radar (GPR) and Portable Seismic Property Analyzer (PSPA) in Full Depth Reclamation Projects. Final Report.
| 题名： | Guidelines for the Use of Ground Penetrating Radar (GPR) and Portable Seismic Property Analyzer (PSPA) in Full Depth Reclamation Projects. Final Report. |
| 作者： | mallick, r. b. maser, k. nazarian, s. |
| 关键词： | construction materials, electromagnetic pulses, concretes, thickness, stiffness, recycled materials, rehabilitation, layers, reclamation, nondestructive testing, recommendations |
| 摘要： | Full Depth Reclamation (FDR) of existing asphalt pavements into base courses has become an attractive option of rehabilitation for state Department of Transportation (DOT's). Maine DOT relies on two recycling techniques for base courses. Foamed asphalt (FA) adds heated asphalt and water to the in-place full depth reclamation. Plant mix recycled asphalt pavement (PMRAP) is 100% RAP and emulsion prepared at the plant. The objectives of this study were to develop and recommend practical methods to (1) determine stiffness of foamed asphalt and plant mixed RAP (PMRAP); (2) determine the pre-construction pavement layer structure, and the variations of that structure throughout the project with the help of Ground Penetration Radar (GPR); and (3) check the post-construction thickness of the reclaimed layers with the help of GPR. The scope of work consisted of using a GPR and a PSPA in several MaineDOT recycling projects, before and after recycling, analyzing, the data, and developing conclusions and recommendations. / Supplementary Notes: Prepared in cooperation with INFRASENSE, Inc., Arlington, MA. and Texas Univ. at El Paso. Dept. of Civil Engineering. Sponsored by Maine Dept. of Transportation, Augusta. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 总页数： | u0723；68p |
| 报告类型： | 科技报告 |
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