PODED-G
17 November 1976
Quarry, Rock Crushing, Screening and Central Mix Batch Plant Operations for
Cleanup of Enewetok Atoll, MI.
2.
Assumptions:
a. Estimated quantity of concrete aggregates
+
12,000 cu.yd.—
b.
(In concrete)
Estimated proportions by volume to yield a workable
mix design.
(Final mix design shall be established
in the field.)
c.
3/4" to No. 4
4asyt
Sand
55%
Coarse aggregate placed in stockpiles will bulk
and handling of aggregates will result in losses.
The estimated percentages of bulking and losses
are:
Bulking
+4547
Losses
-
Total Correction factor
d.
+ 40%
+
The approximate proportions by volume of the
yield from crushing, screening and washing
Operations are:
3/4" to No. 4
237%, t
Sand
72% +
Losses from washing
3.
S% +
5%
+
Estimated surface area required for concrete aggregate borrow.
a.
Determine total volumes of coarse and fine aggregates
required for the estimated concrete mix,
3/4" to No. 4
(12000 cy) (45%)
5400 c.y.
Sand
(1200 c.y.) (55%)
6,600 c.y.
(mix)
(mix)