3501as1-s10 - The specified slump of the fresh concrete is...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
CGN 3501 CONCRETE MIX DESIGN PROBLEM Spring 2010 Due 2/17/2010 A concrete mix for a concrete beam exposed to mild climate is to be designed according to the ACI Absolute Volume Method. A non-air-entrained concrete is to be used. The specified 28- day compressive strength (f’ c ) is 5,000 psi. No past data are available to establish the standard of deviation of the compressive strength of the concrete.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: The specified slump of the fresh concrete is 3 to 4 inches. The cement used will be a Type I cement. Assume the following properties for the aggregates: Coarse Agg. Fine Agg. Dry Bulk Specific Gravity 2.35 2.62 Absorption 4.5% 0.4% Natural Moisture Content 3.0% 0.2% Dry-Rodded Unit Weight 90 pcf - Nominal Maximum Aggregate Size 3/4 inch - Fineness Modulus - 2.4...
View Full Document

Ask a homework question - tutors are online