Cement and Concrete Fence Posts. 21 
TESTS OE THE CEMENT USED. 
Several tests were conducted to determine the strength of the 
cement used at different times during the post experiment. 
The Cubes and Briquettes were made in the same 
manner as the posts, i. e., they were kept in the shed and thoroughly 
wet once a day for 28 days, at which time they were tested. 
The following table represents inch Briquettes tested in ten¬ 
sion. The figures represent an average of three tests: 
SAMPLE NO. 
MIXTURE 
STRENGTH 
PROPORTION 
KIND 
IN UBS. 
1 
1—3 
Tamped 
172 
1 
1—3 
Poured 
186 
2 
1—3 
Tamped 
171 
2 
1—3 
Poured 
193 
3 
1—3 
Tamped 
176 
3 
1—3 
Poured 
184 
1 
1—2—3 
Tamped 
88 
1 
1—2—3 
Poured 
97 
Three-inch cubes tested in compression. Figures represent an 
average of three tests: 
SAMPLE NO; 
MIXTURE 
STRENGTH IN 
DBS. Per Square 
Inch. 
PROPORTION 
KIND 
1 
1—3 
Tamped 
971 
1 
1—3 
Poured 
989 
2 
1-3 
Tamped 
970 
2 
1—3 
Poured 
982 
3 
1—3 
Tamped 
980 
3 
1—3 
Poured 
1015 
1 
CO 
1 
1 
rH 
Tamped 
357 
1 
1- 2—3 
Poured 
375 
