The accuracy of the 13, Relocation, Repairs, Accuracy
compression machine
must be verified
under these
circumstances: within
_____ months of the last
calibration, upon
original installation or
after _____, after
making _____ or
adjustments, and
whenever there there
is reason to suspect
the _____ of the
indicated loads.
Align the _____ of the Center, Center
specimen with the
_____ of thrust of the
spherically seated
block.
The _____ and _____ and Ball, Socket
the spherically seated
bearing block must
be designed so the
steel in the contact
area doesn't
permanently deform
when loaded to the
capacity of the
testing machine.
Apply the load _____ Continuously, Shock
, The cement paste 2 to 4; settling
should be applied to
the freshly molded
cylinder from _____
hours after molding.
This is to allow for _____
of the concrete
speciment.
Cross-Sectional Area A = 3.14 (pie) r ^2
Calculation
The curved surface of Clean, Petroleum-type oil, six
the socket should be
_____, lubricated with
_____ at least every _____
months.
Depressions in the 0.20 in
ends of the cylinder
that exceed _____ must
be corrected by
sawing or grinding
prior to testing.
Discard the test B
results when the
facture occurs in
which of these
instances:
A. Outside the middle
third of the span
length but by less
than 5% of the span
length.
B. Outside the middle
third of the span
length by more than