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Continuing Studies of Pavement Grooving in California.
| 题名： | Continuing Studies of Pavement Grooving in California. |
| 作者： | E. E., Farnsworth |
| 关键词： | Accident Rates; Accidents; Grooving; Grooving Specifications; Pavement; Pavement Surfaces; Skidding Characteristics; Wear |
| 摘要： | The development of specifications for pavement grooving projects is presented. The normal groove is 1/8" to 1/4" in depth, cut by a blade 0.095" wide, spaced on 3/4" centers, and cut in the longitudinal direction. Minimum acceptable coverage of the specified pattern is 95%. Water and residue from the cutting operation are picked up by vacuum pumps. A maximum operational noise level of 86dbA is allowed. Before and after accident studies of pavement grooving projects are presented. Pavement grooving has resulted in a 85% reduction of wet pavement accidents in the grooved areas. |
| 报告类型： | 科技报告 |
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