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ZA TESTING PROCEDURES
WHC-SD-W100-TI-003 Rev. 0
2.1 COMPRESSIVE STRENGTH TEST PROCEDURE
PROCEDURE 90110-0
This test will be performed as per ASTM D695 (Appendix A) for those samples requiring
compressive strength testing.
2.1.1 Laboratory standard samples shall be chosen at random from the laboratory
standard lot and compression tested. The compressive strength test data shall be
recorded on the Compression Strength Data Sheet at the end of this section. The
average compressive strength and density shall be calculated and recorded. One
standard deviation value for the compressive strength and density will also be
calculated and recorded on the Compressive Strength Data Sheets at the end of
this section.
2.1.2 Prior to beginning the day's compressive strength testing, at least three (3)
random samples from the laboratory standard lot shall be compression tested and
----reC3rded-orrthe-COmpresstve-.citr'cnoth Data Sheets at the end of this section.
2.13 For each sample to be tested, the height, diameter, and mass will be determined
and recorded on the Compressive Strength Data Sheet at the end of this section.
2.1.4 The samples will be compressed individually using a Detroit testing machine
-(Lfodel NTS•1,-number 836)-to-detarnrnethe-tttaximuiztoad.-irrpounds; applied
to the specimen. As the compressive strength tests shall be performed throughout
the program, the Detroit testing machine shall be calibrated by. -a- sertified
calibration technician or by the Stock laboratory technician using a calibration
ring.
2.1.5 The compressive strength of each sample will be calculated by the formula.
C.S. - load
(D2)2><
where C.S. = Compressive Strength, PSI
load - maximum load applied, in pounds
D = diameter of sample in inches
2.1.6 The density of each sample tested will be calculated by the equation.
p = „J(d")Zha
wh_e_re p = dcnsitv. Jcc
m = mass.
h = hei.-Iht. cm
-^^--- ^ --- ^ - d = diameter, rm
Stock EG lLpment Company
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