TM 5-822-7/AFM 88-6, Chap. 8
content tests, the gradation tests, calibration of the
construction. Results of this correlation and the
plant, and washout tests to see that they are performed
ensuring quality control use of fabricated cylinders
properly and at the right frequency. At the jobsite,
and beams should be sent to WESGPEC, PO Box
the inspector should make sure that the base course
631, Vicksburg, MS 39180, for addition to the above
and cold joints are moistened before the RCC is placed
mentioned data base.
against them and that the RCC is placed and compacted
g. Method of cylinder and beam fabrication.
within the proper time limitations. He should check
Cylinders and beams should be fabricated in the field
the paver operation to insure that proper grade control
by filling cylinder molds in two layers and beam
is continuously maintained, and to make sure no
molds in a single layer and consolidating each layer
gaps or discontinuities are left in the pavement before
of concrete on a vibrating table. Four beams (one
rolling. The inspector should make sure the roller
group) should be fabricated during each shift of
begins compaction at the proper time and that the
construction, two to be tested at 14 days and two at
28 days. The beams should be tested for flexural
proper rolling pattern and number of passes is used.
He should make sure adequate smoothness across
strength according to ASTM C 78. Eight cylinders
joints is achieved and that the surface texture is
(one group) should be fabricated for every 300 cubic
tight after final rolling. The final compacted
yards (225 cubic meters) of RCC placed, with one
thickness of the RCCP should be spot-checked by
group coming from the same batch of RCC used in
the inspector and corrected accordingly, if appro-
the beams. Two cylinders should be tested each at 7,
priate. He should make sure that the curing procedures
14, 28, and 90 days. The cylinders should be tested
are implemented as specified. The inspector should
for splitting tensile strength according to ASTM C
496.
also insure that all exposed surfaces of the RCCP are
h. Inspectors. Inspections are vital in the quality
kept moist at all times and that the curing compound,
if used, is applied properly and in a continuous
control operations. At least one inspector should be
fashion. He should also coordinate the nuclear gage
stationed at the mixing plant and at the jobsite to
density test, the coring procedures, cylinder and
insure that a quality pavement is being built. At the
beam fabrication, and the surface smoothness test to
mixing plant, the inspector should check mixing
see that they are performed properly and at the
times occasionally and spot-check the consistency
required frequency.
and appearance of the mix coming out of the plant.
He should also coordinate the aggregate moisture
D-15
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