Cylinder or Cube: Compression Strength Testing of 12 to 30 ksi Concrete
| 项目名称： | Cylinder or Cube: Compression Strength Testing of 12 to 30 ksi Concrete |
| 摘要： | Accurate determination of the compressive strength of very high strength concretes is currently a difficult proposition due to large testing machine capacity requirements and the need for cylinder end preparation. An experimental program is being conducted to determine whether alternate specimen types can be reliably used to determine the compressive strength of an ultra-high performance concrete in the strength range from 12 to 30 ksi. 2 in., 3 in., and 4 in. cylinders were tested alongside 2 in., 2.78 in., and 4 in. cube specimens. Preliminary results have demonstrated that the 3 in. cylinder as well as the 2.78 in. and the 4 in. cubes were found to be acceptable alternatives to the standard 4 in. cylinder specimen. The 2.78 in. cube specimen results to date have indicated that it can provide acceptable results for situations where cylinder end preparation and machine capacity are concerns. |
| 状态： | Completed |
| 资金： | 0.00 |
| 资助组织： | Federal Highway Administration |
| 项目负责人： | Graybeal, Benjamin A |
| 执行机构： | Professional Services Industries, Incorporated<==>Federal Highway Administration |
| 开始时间： | 20060000 |
| 实际结束时间： | 20080000 |
| 主题领域： | Bridges and other structures；Highways；Research；I30: Materials |
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