(1) Mix design information required to produce one cubic yard of cement must be known before any settings

can be calculated. The following information is needed:

(a) Concrete strength.

(b) Pounds of sand.

(c) Pounds of stone.

(d) Pounds (or bags) of cement.

(e) Gallons of water.

(f) Percent of calcium chloride admix.

(g) Ounces of liquid admix per bag of cement (hi-flow).

(h) Ounces of liquid admix per bag of cement (low-flow).

(i) Dry admix setting.

(2) The following weights of the mix design ingredients must be obtained from the supplier or laboratory:

(a) A cubic foot of dry rodded sand.

(b) A cubic foot of dry rodded stone.

(c) A bag of cement.

(3) The following information about the mixer is required. This information will be different for each unit.

(a) Serial number.

(b) Cement meter count.

(c) Cement discharge time.

e. Mix Settings Calculations

(1) Because the mixer materials proportioning system is based on volume of material dispensed within a given

period of time or "count" on the meter-register and because mix designs are usually furnished in terms of the weights of

the materials in a cubic yard of concrete, it is necessary to first convert these weights to their volumetric equivalents.

Integrated Publishing, Inc.
6230 Stone Rd, Unit Q
Port Richey, FL 34668
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