Group 4

dav
The second day.
dav
The third day.
dav
calculation
dav
calculation
seminar2
description of five mixtures

The five mixtures of our group look similar to each other, it may due to the proportion of cement, sand and water are almost the same. They are stiff and with large granule and harden quickly. However, we didn’t make it flat with tools. Because we found that it wouldn’t be able to see the differences of granular after that.

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