Cone Method Test

Definition

The cone method test is a concrete test conducted by an independent inspector to measure true slump, which is the measurement from the top of the cone to the top of the settled or slumped concrete. This test is conducted at the time of the pour as a means of quality assurance.

Purpose

The purpose of the cone method test is to assess the workability and consistency of fresh concrete, ensuring it meets the specified requirements for placement and finishing. It serves as a quality assurance measure to verify that the concrete mix has the appropriate fluidity for the intended application.

Examples of Use

• On a construction site, an inspector performs the cone method test to check the slump of concrete before it is poured into forms.
• During concrete production, the cone method test is used to monitor the consistency of batches to ensure uniform quality.
• In road construction, the test helps verify that the concrete mix is suitable for paving operations.

Related Terms

• Slump Test: Another term for the cone method test, used to measure the consistency of fresh concrete.
• Workability: The ease with which concrete can be mixed, placed, and finished.
• Consistency: The degree of fluidity or stiffness of fresh concrete.

Notes

The standard procedure for the cone method test involves filling a slump cone with concrete, lifting the cone, and measuring the vertical drop (slump) of the concrete. The results indicate the mix's workability and suitability for the intended use.