slump test การใช้

• Workability can be measured by the concrete slump test, a simple measure of the plasticity of a fresh batch of concrete following the ASTM C 143 or EN 12350-2 test standards.
• It is used primarily for assessing concrete that is too fluid ( workable ) to be measured using the slump test, because the concrete will not retain its shape when the cone is removed.
• A separate test, known as the flow table, or slump-flow, test, is used for concrete that is too fluid ( workable ) to be measured using the standard slump test, because the concrete will not retain its shape when the cone is removed.
• But on Aug . 15, Seinuk rejected the concrete from five trucks that had failed " slump tests, " crude indications of the strength and water content of the concrete, based on how quickly freshly poured concrete slides out from a cone shape.