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Rubblization and Base Overlay of FM 912 and FM 1155.
| 题名： | Rubblization and Base Overlay of FM 912 and FM 1155. |
| 作者： | S. Sebesta; T. Scullion; |
| 关键词： | pavement rehabilitation,concrete pavement,rubblization;multiple head breaker, construction specification, resonant breaker; |
| 摘要： | In many instances rubblization may be a good option to convert a deteriorated concrete pavement into a flexible pavement structure. In this project, the Texas Department of Transportation conducted rubblization on portions of a concrete pavement originally constructed in the 1920s to validate project analysis and construction specifications. This project truly pushed the limit with respect to how poor the concrete pavement support can be before rubblization is not a viable option. Fortunately, project personnel knew from the start that this project was a marginal candidate for rubblization, so contingency plans were already in place. Rubblization on this project showed that the project analysis procedures and construction specification worked well. These procedures and specification are included in this report as Appendices A and B, respectively, and should be used for planning and controlling construction of future rubblization projects. Post-construction monitoring revealed no differences in ride existed among the sections of differing treatments. The main structural differences observed were between sections rubblized with different equipment. The sections rubblized with Type II equipment had rubblized and base layer modulus values greater than those observed in the section where Type I equipment was used. / Title Note: Technical rept. / Supplementary Notes: Sponsored by Texas Dept. of Transportation, Austin. Research and Technology Implementation Office. and Federal Highway Administration, Austin, TX. Texas Div. / 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 5301 Shawnee Road, Alexandria, VA, 22312, USA. / NTIS Prices: PC A06 / NTIS In-house Control Codes: utatti/dotfha;12091,1101 |
| 报告类型： | 科技报告 |
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