A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Concrete Mixer Performance Vidalia Mattress Casting Plant Vidalia, Louisiana
A 3-cu-yd-capacity stationary-drum mixer was evaluated for effectiveness in mixing 3-cu-yd batches of lean structural concrete at four mixing times. The following tests were made on samples of concrete taken from the front, middle, and back portions of the mixer discharge: coarse aggregate content, unit weight of air-free mortar, and moisture and cement content of the mortar fraction. One batch was tested after 2-min mixing time, two after 1-3/4 min, three after 1-1/2 min, and one after 1-1/4 min. The mixer was found to perform satisfactorily when mixing 3 cu yd of 1-1/2-in. nominal size coarse aggregate concrete with a charging time of approximately 25 sec, and a minimum mixing time of 1-1/2 min.
Concrete Mixer Performance Vidalia Mattress Casting Plant Vidalia, Louisiana
A 3-cu-yd-capacity stationary-drum mixer was evaluated for effectiveness in mixing 3-cu-yd batches of lean structural concrete at four mixing times. The following tests were made on samples of concrete taken from the front, middle, and back portions of the mixer discharge: coarse aggregate content, unit weight of air-free mortar, and moisture and cement content of the mortar fraction. One batch was tested after 2-min mixing time, two after 1-3/4 min, three after 1-1/2 min, and one after 1-1/4 min. The mixer was found to perform satisfactorily when mixing 3 cu yd of 1-1/2-in. nominal size coarse aggregate concrete with a charging time of approximately 25 sec, and a minimum mixing time of 1-1/2 min.
Concrete Mixer Performance Vidalia Mattress Casting Plant Vidalia, Louisiana
K. L. Saucier (author) / W. B. Lee (author)
1964
11 pages
Report
No indication
English
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