Which test is used to determine the workability of fresh concrete?

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Q: Which test is used to determine the workability of fresh concrete?

Solution: The Slump Test is commonly used to determine the workability of fresh concrete by measuring the slump of a concrete cone.

Steps: 9

Step 1: Prepare a clean, flat surface to perform the test.
Step 2: Gather the materials needed: a slump cone, a base plate, a measuring rod, and fresh concrete.
Step 3: Place the slump cone on the base plate.
Step 4: Fill the slump cone with fresh concrete in three layers, each about one-third of the cone's height.
Step 5: Use a rod to compact each layer of concrete by poking it down about 25 times.
Step 6: After compacting the last layer, level off the top of the concrete with the top of the cone using the rod.
Step 7: Carefully lift the slump cone straight up without disturbing the concrete.
Step 8: Measure the distance the concrete has slumped down from the top of the cone to the highest point of the concrete.
Step 9: Record the measurement in inches or centimeters to determine the workability of the concrete.