Publisher's Synopsis
Excerpt from Columns and Struts: Theory and Practical Design, With Examples Worked Out
This work is the result Of investigation by the Author, found to be necessary, during the course Of his professional work, in connexion with the practical design of large struts, some of them as much as two hundred feet in length.
Euler's column formula was the only one in existence, based on purely theoretical reasoning. That formula, and the other partially empirical formulae based on it, owing to some factors being rejected in their construction, lead to the conclusion that a strut of uniform section throughout, passes into a state of indifferent equilibrium when it commences to bend under an axial load, and therefore that no relation can be determined between the load and the amount Of de?ection. This conclusion, although not true, has been generally accepted, and has formed a barrier to progress in the investigation of column and strut phenomena.
The investigation herein is carried out on lines somewhat different from the usual course. The true relations between load and de?ection are demonstrated, and the resulting equations are based on the maximum permissible amount of de?ection, that limiting amount being, in turn, determined from the maximum permissible fibre stress intensity.
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