Table XLIX. Safe Compressive Loads Per Square Inch On Wrought-Iron Columns
Description
This section is from the book "Safe Building", by Louis De Coppet Berg. Also available from Amazon: Code Check: An Illustrated Guide to Building a Safe House.
Table XLIX. Safe Compressive Loads Per Square Inch On Wrought-Iron Columns
RATIOOF (IN INCHES.) | |
Square of length to square of radius of gyration. | Length to radius of gyration. |
100 | 10 |
225 | 15 |
400 | 20 |
625 | 25 |
900 | 30 |
1225 | 35 |
1600 | 40 |
2025 | 45 |
2500 | 50 |
3025 | 55 |
3600 | 60 |
4225 | 65 |
4900 | 70 |
5625 | 75 |
6400 | 80 |
7225 | 85 |
8100 | 90 |
9025 | 95 |
10000 | 100 |
11025 | 105 |
12100 | 110 |
13225 | 115 |
14400 | 120 |
15625 | 1 25 |
16900 | 130 |
18225 | 135 |
19600 | 140 |
21025 | 145 |
22500 | 150 |
24025 | 155 |
25600 | 160 |
Horn BND8 SMOOTH. | ||
For rallies of ( c/f) in lbs., equal. | ||
8000 | 10000 | 12000 |
7989 | 9986 | 11983 |
7955 | 9944 | 11932 |
7921 | 9901 | 11881 |
7877 | 9846 | 11815 |
7821 | 9779 | 11735 |
7762 | 9702 | 11643 |
7692 | 9615 | 11538 |
7614 | 9518 | 11422 |
7529 | 9411 | 11293 |
7437 | 9296 | 11155 |
7339 | 9184 | 11009 |
7236 | 9045 | 10855 |
7127 | 8908 | 10690 |
7015 | 8769 | 10523 |
6896 | 8620 | 10345 |
6777 | 8471 | 10165 |
6653 | 8316 | 99 79 |
6527 | 8159 | 9791 |
6400 | 8000 | 9600 |
6271 | 7839 | 9107 |
6140 | 7675 | 9210 |
6010 | 7512 | 9015 |
5880 | 7350 | 8820 |
5750 | 7187 | 8625 |
5620 | 7025 | 8430 |
5500 | 6875 | 8250 |
5370 | 6713 | 8055 |
5240 | 6550 | 7860 |
5120 | 6400 | 7680 |
5000 | 6250 | 7500 |
4880 | 6100 | 7320 |
one end smooth one end pin end, | ||
For values of (c/f) in lbs. equal. | ||
8000 | 10000 | 12000 |
7973 | 9966 | 11960 |
7940 | 99 25 | 11911 |
7894 | 9868 | 11842 |
7836 | 9795 | 11755 |
7767 | 9708 | 11650 |
7686 | 9607 | 11529 |
7595 | 9493 | 11392 |
7494 | 9367 | 11231 |
7886 | 9232 | 11078 |
7267 | 9084 | 10901 |
7143 | 8928 | 10714 |
7010 | 8762 | 10515 |
6877 | 8596 | 10315 |
6736 | 8420 | 10105 |
6593 | 8241 | 9890 |
6447 | 8059 | 9681 |
6299 | 7874 | 9449 |
6150 | 7687 | 9225 |
6000 | 7500 | 9000 |
5850 | 7312 | 8775 |
5700 | 7125 | 8550 |
5550 | 693 7 | 8325 |
5410 | 6762 | 8115 |
5260 | 6575 | 7890 |
5120 | 6400 | 7680 |
4980 | 6225 | 7470 |
4840 | 6050 | 7260 |
4700 | 5875 | 7050 |
1570 | 5712 | 6855 |
4440 | 5550 | 6660 |
4320 | 5400 | 6580 |
BOTGH ENDS PIN ENDS. | ||
For values of (c/f) in lbs., equal | ||
8000 | 10000 | 12000 |
7960 | 9950 | 11940 |
7911 | 9888 | 11866 |
7843 | 9803 | 11764 |
7758 | 9097 | 11636 |
7656 | 9569 | 11483 |
7538 | 9422 | 11307 |
7407 | 9259 | 11111 |
7264 | 9080 | 10897 |
7105 | 8881 | 10657 |
6919 | 8686 | 10423 |
6780 | 8474 | 10169 |
6605 | 8256 | 9907 |
6426 | 8032 | 9638 |
6244 | 7804 | 9365 |
6058 | 75 72 | 9086 |
5877 | 7346 | 8815 |
5694 | 7117 | 8541 |
5512 | 6890 | 8269 |
5333 | 6666 | 8000 |
5157 | 6446 | 7736 |
4980 | 6225 | 74 70 |
4820 | 6025 | 7230 |
4650 | 5812 | 6975 |
44 90 | 5612 | 6735 |
4340 | 5125 | 6510 |
4180 | 5225 | 6270 |
4040 | 5050 | 6060 |
3900 | 4875 | 5850 |
3770 | 1712 | 5655 |
3630 | 4537 | 5445 |
3510 | 4387 | 5265 |
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