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Development of Material Requirements for Portland Cement Concrete Pavements at the FAA National Airport Pavement Test Facility.
| 题名： | Development of Material Requirements for Portland Cement Concrete Pavements at the FAA National Airport Pavement Test Facility. |
| 作者： | mcqueen, r. d. rapol, j. flynn, r. |
| 关键词： | aircraft gear loads |
| 摘要： | The National Airport Pavement Test Facility (NAPTF) is located at the Federal Aviation Administrations (FAA) William J. Hughes Technical Center. The facility was constructed to obtain data on pavement performance that can be used to investigate the relative effects of fourand six-wheel aircraft gear loads, and to develop reliable failure criteria that can be used for development of mechanistic design procedures for airport pavements. In order to meet these basic objectives, prototypical test pavements were constructed consistent with actual in-service pavements. A basic requirement for the test pavements was to ensure that structural failure would occur at the desired location in the controlling pavement layer. For rigid test pavements, failure was defined in terms of structural cracking initiating at the joints at the bottom of the Portland cement concrete (PCC) layer. The thickness designs for the concrete slabs were predicated on these structural cracks forming as a result of the full-scale applied loading. Therefore, cracks or failures attributed to nonstructural mechanisms needed to be avoided in order to obtain the basic data for development of structural failure criteria. / Supplementary Notes: Prepared in cooperation with Federal Aviation Administration, Washington, DC. and Federal Aviation Administration Technical Center, Atlantic City, NJ. Airport Technology Research and Development Branch. / Availability Note: Product reproduced from digital image. 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： | u0819；10p |
| 报告类型： | 科技报告 |
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