Which test is designated as ASTM C1611?

ASTM C1611 is specifically designated for the "SCC Slump Flow Test." This test is particularly significant in assessing the workability of self-consolidating concrete (SCC). The slump flow measurement provides information on the fluidity and ability of SCC to flow into forms and around reinforcement without the need for vibration.

The importance of this test lies in its ability to determine how easily the concrete can spread and fill molds, ensuring that the concrete can achieve the desired shape and density without segregation or excessive air entrapment. The testing process itself involves placing a specific amount of concrete into a slump cone and measuring the spread once the cone is removed, which directly represents the material’s flow characteristics.

Understanding this designation helps in recognizing the specific standards and procedures used in the evaluation of self-consolidating concrete and highlights the focus of that standard on flow rather than other properties such as strength or aggregate compatibility.