26 
The: Colorado Experiment Station. 
TABLE NO. 5—Poured Posts. 
Size, 5x5 inches from base to ground line, tapering to 3x3 inches at 
top. Length, 6 feet 6 inches. Cured weight, 110 to 112 pounds. Mixture, 
1 part cement and 5 parts sand, by measure. Cost for cement per post, 17 
pounds, 10.2 cents; sand, 1 cubic foot, 3.7 cents. For cost of reinforcement, 
see table below. 
reinforcement 
TEST 
COST 
REMARKS 
Kind of Wire 
Weight 
Per Post 
Kbs. 
Cost 
Per 
Post 
First 
Crack 
in Ebs. 
Final 
Break 
in Ebs. 
Eocation of 
Break Above 
or Below 
Ground Eine 
Cost of 
Material 
in Post 
New Wire is Fig¬ 
ured at 4c per 
Eb. and Old Wire 
at 2c per Eb. 
4 strands 2 
twisted 
wires, No. 10. 
2'2 
10.0c 
197 
235 
2 in. below 
Ground bine 
4 in.above 
• 
23.9c 
Mixture broke. 
Reinforcement 
wires poorly placed 
4 long and 2 
short twisted 
strands No. 10 
3 
12.0c 
197 
220 
3 in. below 
5 in. below 
Ground Eine 
25.9c 
Extra wires did 
no good. Mix¬ 
ture broke. 
4 long strands 
old barbed 
wire- 
l 2 /^ 
3.3c 
95 
113 
Eost 
1 in. below 
7 in. below 
17.2c 
Wires broke, not 
well placed. 
4 long and 2 
short old 
barbed wire - 
2 
4.0c 
97 
137 
4 in. above 
10 in. above 
7 in. below 
17.9c 
Mixture and 
wires about 
equal strength 
4 long strands 
new barbed 
wire- 
1% 
6.6c 
78 
123 
2 in. below 
16 in. above 
4 in. above 
20.5c 
Mixture and 
wires about 
equal strength. 
4 long and 2 
short new 
barbed wire . 
2 
8.0c 
75 
140 
10 in. above 
8 in. above 
18 in. above 
21.9c 
Wires broke 
4 long strands 
of 3 twisted 
wires No. 14. 
1% 
6.6c 
103 
130 
Ground Eine 
2 in. below 
3 in. below 
20.5c 
Wires broke 
4 long and 2 
short strands 3 
twisted No. 14 
2 
8.0c 
103 
175 
14 in. above 
13 in. above 
14 in. above 
21.9c 
Wires and mix¬ 
ture about 
equal strength 
TABLE NO. 6—Poured Posts. 
Size, 4x4 inches at base, tapering to 3x3 inches at top. Length, 6 feet 
6 inches. Cured weight, 80 pounds. Mixture, 1 part cement and 4 parts 
sand, by measure. Cost for cement, 13.5 pounds, 8.1 cents; sand, % cubic 
foot, 2.5 cents. For cost of reinforcement, see table below. 
REINFORCEMENT 
TEST 
COST 
REMARKS 
Kind of Wire 
Weight 
Per Post 
Ebs. 
Cost 
Per 
Post 
First 
Crack 
in Ebs. 
Final 
Break 
in Ebs. 
Eocation of 
Break Above 
or Below 
Ground Eine 
Cost of 
Materials 
in Post 
New Wire is Fig¬ 
ured at 4c per 
Eb. and Old Wire 
at 2c per Eb. 
4 strands of 2 
twisted wires 
No. 10. 
2K 
10.0c 
80 
168 
2 in. below 
Ground Eine 
Ground Eine 
20.6c 
Mixture broke on 
two posts, wires 
broke on the other 
4 long strands 
old barbed 
wire.- - - 
1% 
3.3c 
50 
65 
5 in. above 
Ground Eine 
3 in. above 
13.9c 
Wires broke 
4 long strands 
new barbed 
wire. .. 
1% 
6.6c 
82 
88 
Ground Eine 
6 in. below 
Ground Eine 
17.2c 
Wires broke on 
one and mixture 
on two posts. 
4 long strands 
of 3 twisted 
wires No. 14. 
1% 
6.6c 
58 
62 
2 in. below 
Ground Eine 
5 in. above 
17.2c 
Wires broke, 
Mixture broke 
on one post. 
