What are the physical tests to be conducted for fly ash at the site?
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The physical tests to be conducted for fly ash at the site
The intensity of these processes depends largely on
the ash fineness (particle size and particle size
distribution) so that the pozzolanic reactivity increases
with the specific surface of the ash. International standard
ASTM C 311 describes the procedures of chemical and
physical methods for characterization of fly ash, and
standard ASTM C 618 provides chemical and physical
criteria related to classification.
all samples of ash that were for seven days exposed in a
humid environment contains a substantial amount of
amorphous glassy-matter, but also crystal phase of
feldspar, melilite, mullite, very little anhydrite and
quartz is present. In the specimens that were
subjected for 28 days besides the already mentioned
minerals a trace of calcite occurs in the sample;
Plz go through the screenshot shared by me as per the IS codes