ELASTIC CONSTANTS OF ROCltS- 
35 
Granite. Baveno, Italy. 
No. ... 
b 
b 
b 
b 
C 
C 
d 
d 
d 
Size. . . 
.978 
.... 
.978 
.978 
Area.. 
.75 
.... 
.75 
.75 
Side. . . 
U. 
u. 
Pi 
Ps 
1st holes 
2d holes 
2d holes 
3d holes 
4th holes 
E 
6,620,000 
6,730,000 
7,430,000 
6,950,000 
6.950,000 
6,840,000 
6,840,000 
6,620,000 
6,730,000 
6, 
tr 
.2483 
.2525 
.2465 
.2505 
.2505 
.247 
.265 
.257 
.261 
D 
4,380,000 
4,530,000 
4,880,000 
4,645,000 
4,645,000 
4,470,000 
4,850,000 
4,540,000 
4,680,000 
4, 
C 
2,650,000 
2,682,000 
2,980,000 
2,780,000 
2,780,000 
2,730,000 
2,700,000 
2,631,000 
2,670,000 
2, 
LONGITUDINAL COMPRESSION MULTIPLY READINGS BY 4 FOR MILLIONTHS. 
Load (in 
pounds) 
1,000 
o 
o 

o 

O 
o 
o 

2,OOO 
.... 
60 
70 
.... 
.... 
3,000 
.... 
118 
130 
.... 
.... 
.... 
4,OOO 
175 
1 80 
.... 
5,000 
230 
240 
6,000 
315 
310 
280 
300 
300 
305 
305 
3i5 
310 
7,000 
.... 
.... 
330 
342 
8,000 
380 
400 
.... 
9,000 
410 
450 
8,000 
.... 
385 
410 
7,000 
.... 
335 
390 
6,000 
315 
310 
285 
312 
300 
305 
305 
3i5 
310 
5,000 
.... 
235 
254 
.... 
4,000 
.... 
170 
204 
3,000 
120 
145 
2,000 
60 
85 
1,000 
2 
5 
3 
18 
2 
4 
4 
IO 
8 
LATERAL EXTENSION MILLIONTHS. 
No 
jk 
L. 
j 
u 

c 
a 
Size 
.978 
.978 
.978 
.978 
. 
Area 
Side 
Pi and P> 
U 
1,000 
O O 
o 
2,000 
3,000 ......... 
4,000 
5,000 
6,000 
2 16 2 1 ^ 
2,1 c 
2 -7 c 
2 c 7 
7,000 
'Jj 
^JO 
8,000 
9,000 
.... 
8,000 
7,000 
.... 
.... 
.... 
6,000 
2 l6 21% 
' 
5,000 
*6o 
^40 
*6o 
*o6 
4,000 
3,000 
.... 
2,000 
.... 
1,000 
.... 
1 4 
5 
7 
5 
