Flow Chart For Concrete Mix Design

Bulk specific gravities and absorptions or moisture content of aggregates.

Flow chart for concrete mix design.

Aci method of concrete mix design required data. Sieve analyses of fine and coarse aggregates. In this post you will learn how to design a reinforced concrete beam step by step with my simple to follow flowchart. Concrete mix designs are submitted for review so that the reviewer can verify the contractor is interpreting the construction documents correctly.

Approximate mixing water and air content requirements for different slumps and nominal maximum sizes of aggregates water lb cy kg m 3 of concrete for indicated nominal maximum sizes of aggregate slump in mm 3 8 in 9 5 1 2 in 12 5 3 4 in 19 1 in 25 1 1 2 in 37 5 2 in 50 3 in. This process is usually adopted for structures which requires higher grades of concrete such as m25 and above and large construction projects where quantity of concrete consumption is huge. 2 st4 mix for house and garage floors may only be used in conjunction with chapter 5 2 suspended ground floors. These guidelines were developed to assist the engineer reviewing concrete mix designs.

Unit weight dry rodded density of coarse aggregate. All concrete mixes possess unique properties the design process can be time consuming and challenging. The flowchart is a representation of the principal properties of aci mix design of concrete workability slump water and air content w c ratio cement coarse aggregate fine aggregate moisture adjustment trial mix civl 1112 aci mix design 3 10. 1 consistence class s3 should be used for strip foundation concrete and consistence class s4 should be used for trench fill foundation concrete.

The marshall stability and flow test provides the performance prediction measure for the marshall mix design method. The stability portion of the test measures the maximum load supported by the test specimen at a loading rate of 50 8 mm minute 2 inches minute. The concrete mix design involves various steps calculations and laboratory testing to find right mix proportions. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube.

The concrete hub app however solves these challenges associated with creating a unique concrete mix. Before starting concrete mix design basic information on raw materials shall be prepared which include. The concrete hub app now provides an easy fast and free way to perform a preliminary mix design. Concrete hub s concrete mix design tool.