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TEXAS TESTS PRECAST FOR SPEED AND USABILITY.
| 题名： | TEXAS TESTS PRECAST FOR SPEED AND USABILITY. |
| 作者： | Merritt-DK; McCullough-BF; Burns-NH |
| 关键词： | Concrete-pavements; Highway-engineering; Highway-transportation; Pavement-components; Pavement-design; Pavement-performance; Pilot-studies; Precast-concrete-pavements; Prestressing-; Texas-Department-of-Transportation; U.S.-Federal-Highway-Administration |
| 摘要： | Precast pavement, rapidly gaining attention in the transportation industry, uses a thinner prestressed slab than conventional concrete while providing equivalent high-performance and durability. Perhaps even better, precast concrete can minimize or even eliminate some problems common to conventional concrete paving such as built-in curl, strength loss, and inadequate air entrainment. This article reports on a study co-sponsored by the U.S. Federal Highway Administration and the Texas Department of Transportation (TDOT) that aimed to investigate the feasibility of using precast concrete for pavements. At the conclusion of the study researchers developed a concept for precast concrete pavement and recommended testing the concept through pilot projects. In March 2002, TDOT completed the first pilot project on a frontage road near Georgetown, Texas, the findings of which are described here in detail. |
| 总页数： | Public Roads. 2002/07. 66(1) pp30-34 (8 Phot., 2 Fig.) |
| 报告类型： | 科技报告 |
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