Table 2. Estimated concrete silo capacities for high moisture corn,In tonesa
Silo Diameter x
Settled Depth  
Whole Shelled
Corn
Ground Shelled
Corn
Ground Ear
Corn
(m)
(ft)
40% b
50%
60%
55%
60%
65%
30%
35%
40%
3.7 x 9.1
12 x 30
74
81
89
77
86
96
66
75
86
12 x 30
3.7 x 12.2
12 x 40
99
109
120
104
116
131
89
102
118
12 x 40
3.7 x 15.2
12 x 50
125
137
152
131
146
165
113
129
150
12 x 50
 
 
 
 
 
 
 
 
 
 
 
 
4.3 x 12.2
14 x 40
137
150
165
143
160
180
123
141
161
14 x 40
4.3 x 15.2
14 x 50
172
189
209
180
202
228
155
179
208
14 x 50
4.3 x 16.8
14 x 55
190
209
231
199
223
252
172
198
230
14 x 55
 
 
 
 
 
 
 
 
 
 
 
 
4.9 x 15.2
16 x 50
227
249
275
238
267
301
205
237
276
16 x 50
4.9 x 18.3
16 x 60
274
301
333
288
323
365
249
287
335
16 x 60
4.9 x 19.8
16 x 65
298
327
362
313
351
397
271
313
365
16 x 65
                       
5.5 x 15.2
18 x 50
289
318
351
303
340
384
263
303
353
18 x 50
5.5 x 18.3
18 x 60
350
384
425
367
412
466
318
368
429
18 x 60
5.5 x 21.3
18 x 70
410
451
499
431
484
547
374
434
506
18 x 70
 
 
 
 
 
 
 
 
 
 
 
 
6.1 x 18.3
20 x 60
434
477
528
465
512
579
396
459
535
20 x 60
6.1 x 21.3
20 x70
510
561
620
536
602
680
466
541
631
20 x70
6.1 x 24.4
20 x 80
585
644
713
616
692
782
536
622
727
20 x 80
 
 
 
 
 
 
 
 
 
 
 
 
7.3 x 18.3
24 x 60
632
694
768
663
745
841
578
670
781
24 x 60
7.3 x 21.3
24 x 70
742
816
902
780
876
989
681
770
992
24 x 70
7.3 x 24.4
24 x 80
852
938
1037
896
1007
1132
784
910
1063
24 x 80
7.3 x 27.4
24 x 90
963
1059
1172
1012
1138
1285
887
1030
1204
24 x 90
 
 
 
 
 
 
 
 
 
 
 
 
9.1 x 24.4
30 x 80
1346
1480
1637
1413
1587
1791
1242
1442
1681
30 x 80
9.1 x 27.4
30 x 90
1521
1673
1851
1597
1794
2025
1405
1633
1905
30 x 90
9.1 x 30.5
30 x 100
1697
1867
2064
1781
2001
2258
1569
1824
2128
30 x 100
9.1 x 33.5
30 x 110
1872
2060
2278
1965
2208
2592
1734
2016
2352
30 x 110

a1 tonne = 1000 kg; the capacity in tons (2000 lb) can be obtained by multiplying the capacities in the table by 1.1.bmoisture content in percent (wet basis)

Information supplied by The Ontario Ministry of Agriculture and Food