TABLE  NO.  4. 
OHIA  WOOD  FROM  ISLAND  OF  HAWAII. 
Detailed  Summary  of  Minor  Tests. 
STATIC  BENDING. 
n> 
o 
2 
Percent 
ure ... 
Specific 
Dry  . 
Fiber  Stress  at 
S g 
r»  p 
Date  of  Lab, 
Test  No. 
Piece  and 
Stick  No’s 
o 
in 
P 
t) 
\ 
of  Moist- 
: O 
i p3 
: < 
i << 
Weight  per  Cu- 
bic Foot 
o' 
r 
3 
s.  Load 
Wet 
Pounds 
Dry 
Pounds 
Lbs  per  sq  in. 
1—12  24,577 
1—1 
0 
68.0 
.675 
70.7 
42.1 
5.675 
10,180 
‘ ‘ 24,578 
‘ ‘ 24,579 
1—3 
1—4 
*0 
58.7 
.729 
72.2 
45.5 
8,290 
11,700 
‘ ‘ 24,580 
1—6 
0 
71.1 
.674 
71.9 
42.1 
4.820 
6,980 
‘ ‘ 24,581 
2—1 
0 
66.9 
.640 
66.7 
40.0 
6,830 
12,820 
‘ ‘ 24,582 
2—2 
0 
68.4 
.639 
67.1 
39.9 
2,880 
7,330 
‘ ‘ 24,583 
2—4 
0 
82.4 
.611 
69.5 
38.2 
6,600 
11,260 
‘ ‘ 24,584 
2—5 
0 
6,330 
11,700 
‘ ‘ 24,585 
3—1 
0 
86.0 
.616 
71.5 
38.4 
3,300 
8,980 
“ 24,586 
3—3 
15 
79:6 
.624 
71.8 
39.9 
4,875 
10,620 
“ 24,587 
3—4 
10 
5,670 
10,400 
‘ ‘ 24,588 
3—5 
0 
96.9 
.552 
67.8 
34.5 
2,745 
6,320 
Average 
75.4 
.640 
69.9 
40.0 
5,256 
9,845 
Maximum 
96.9 
.729 
72.2 
45.5 
8,290 
12,820 
Minimum 
58.7 
.552 
66.7 
34.5 
2,745 
6,320 
2 
n ° 
2 n. 
Resiliance  to 
- 
Compression 
w 
Oo 
n c 
?§ 
m 
ST 
in 
£ 
p 
X 
REMARKS 
>13 
jq  aa  y. 
r*E?  -i  3* 
>1  P 
* 
: 
Shear 
O 
hH 
r 
o 
First  Failure 
t n* 
w 3 * r 
c.B  o> 
o W -1  3 
- t» 
: M 
: 5T 
• ‘P 
100#  Lbs 
per  sq  in. 
1,685 
Lbs  per 
sq  in. 
395 
3 f 
Lbs  per  cub  in. 
1.058  8.600 
Spiral-grained  Tension  . 
3 Jo 
w = « 
Lbs  per 
sq  in. 
. . 5,260 
2C  TO 
C 3-s* 
3pis'“ 
O 
Lbs  per 
sq  in. 
r* 
fl>  — 
c/> 
•w  O 
Lbs  per 
sq  in. 
. . 6,140 
968 
1,620 
1,635 
420 
2.325 
6.310 
Spiral-grained  Tension  . 
1,383 
1,113 
1,524 
269 
0.847 
1,970 
Spiral-grained  Tension  . 
. . 5,820 
2,132 
493 
1.211 
13.540 
Compression  
. . 6,310 
1,070 
1,700 
283 
.271 
7.750 
Combined  Comp.  & Ten.  . 
968 
1,847 
.437 
1.306 
12.000 
Tension 
. . 6,120 
861 
1,107 
1,990 
.450 
1.119 
14.110 
Compression 
1,082 
1,737 
,349 
0.350 
16.480 
Compression 
. . 3,660 
753 
1,988 
.408 
• 0.660 
11.900 
Compression 
. . 4,600 
945 
1,860 
.404 
0.960 
11.410 
Compression 
1,660 
.249 
0.250 
3.820 
Horizontal  Shear 
524 
1,796 
.381 
0.942 
9.810 
. . 5,416 
933 
1,173 
2,132 
.493 
2.325 
16.480 
. . 6,310 
1,383 
1,620 
1,524 
.249 
0.250 
3.830 
. . 3,660 
524 
945 
NOTE — Impact  tests  on  three  sticks  2x2  in  setion  with  26"  span.  Average  height  of  drop  of  100  pound  hammer  for  complete  failure,  23  inches. 
P g s r F PURDUE  UNIVERSITY, 
January  20,  1909. 
