Slump Cone

Definition

A slump cone is a mold in the form of the lateral surface of the frustum of a cone with a base diameter of 8 inches (203 mm), a top diameter of 4 inches (102 mm), and a height of 12 inches (305 mm), used to hold a specimen of freshly mixed concrete for the slump test. A cone 6 inches (152 mm) high is used for tests of freshly mixed mortar and stucco.

Purpose

The purpose of a slump cone is to measure the consistency and workability of freshly mixed concrete, mortar, or stucco by determining its slump or flow characteristics.

Examples of Use

• On construction sites, slump cones are used to test the workability of concrete batches before pouring.
• Masonry contractors use slump cones to assess the consistency of mortar mixes for brick and block laying.
• Stucco applications employ slump cone tests to ensure the proper flow and adhesion properties of the mix.

Related Terms

• Slump Test: A test used to measure the consistency and workability of freshly mixed concrete or mortar.
• Workability: The ease with which concrete or mortar can be mixed, placed, and finished.
• Consistency: The uniformity and flow characteristics of a concrete or mortar mix.

Notes

The slump cone test is a standard procedure in the construction industry, providing essential information about the quality and suitability of concrete and mortar mixes for specific applications.

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