ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. Requirements for quality of ready-mixed concrete shall be either as stated in this specification or as ordered by the purchaser.

When the purchaser’s requirements, as stated in the order, differ from those in this specification, the purchaser’s requirements shall govern.

It can be used on site, though the size of the base plate is somewhat unwieldy and level ground is essential.

It is the most commonly used test, and gives a good assessment of filling ability.

It gives no indication of the ability of the concrete to pass between reinforcement without booking, but may give some indication of resistance to segregation.

It can be argued that the completely free flow, unrestrained by any foundries, is not representative of what happens in concrete construction, but the test can be profitably be used to assess the consistency of supply of supply of ready-mixed concrete to a site from load to load. 1: Accessories for Flow cone Flow table Slump test Fig.

These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

Abstract This specification covers ready-mixed concrete manufactured and delivered to a purchaser in freshly mixed and unhardened state as hereinafter specified.

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

The slump flow test is used assess the horizontal free flow of in the absence of obstructions.

It was first developed in Japan for use in assessment of underwater concrete.

The test method is based on the test method for determining the slump .