1911-12.] The Elastic Strength of Flat Plates. 
381 
Flat plates. 
Grashof’s maximum strain 
xE. 
Experimental value of 
£t^V . 
2 dx A 
Size. 
Thickness. 
Pressure. 
End short 
diameter. 
End long 
diameter. 
End short 
diameter. 
End long 
diameter. 
8x6 
•065 
20 
64,710 
36,180 
76,780 
44,150 
8x6 
T01 
30 
40,210 
22,620 
44,720 
26,840 
8x4 
•069 
35 
56,650 
13,840 
61,120 
38,710 
8x4 
•065 
20 
35,630 
8,908 
40,300 
12,470 
8x4 
•065 
25 
44,540 
11,140 
44,150 
16,310 
8x4 
•055 
20 
37,330 
9,330 
37,360 
15,450 
6x6 
•065 
20 
42,600 
45,100 
5x5 
•065 
20 
29,580 
32,630 
6x6 
•075 
5 
7,791 
8,997 
Diagram 10 shows the distribution of strain round the edge and at the^ 
centre of one quadrant of a rectangular plate. 
