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QUANTITATIVE AND RAPID MEASUREMENT OF THE AIR-VOID SYSTEM IN FRESH CONCRETE.
| 题名： | QUANTITATIVE AND RAPID MEASUREMENT OF THE AIR-VOID SYSTEM IN FRESH CONCRETE. |
| 作者： | Hansen-W |
| 关键词： | STRATEGIC-HIGHWAY-RESEARCH-PROGRAM; CONCRETE-; AIR-VOIDS-CONTENT; MEASURING-; FRESH-CONCRETE; RESEARCH- |
| 摘要： | This paper evaluates a new method for determining air void characteristics in fresh concrete. The method uses a laser counting device to evaluate the number and distribution of air voids. The measurements are made on a core extracted from a sample of fresh concrete frozen with liquid nitrogen. |
| 总页数： | 1991/05. pp29 (Figs., Tabs., Refs., 2 App.) |
| 报告类型： | 科技报告 |
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