Self consolidating concrete slump

02 Sep

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.The U-Box and L-Box tests are used for product development or prequalification and involve filling concrete on one side of the box and then opening a gate to allow the concrete to flow through the opening containing rebar.Sign up for a 3 day free trial to explore the interface, PLUS access the 2009 International Building Code to see how it all works.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.

1.3 The text of this standard references notes and footnotes that provide explanatory material.

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

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use.

T diameter of the concrete circle is a measure for the filling ability of the concrete.

Assessment of test: This is a simple, rapid test procedure, though two people are needed if the T50 time is to be measured.