Suspension Bridges and Cantilevers

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Excerpt from Suspension Bridges and Cantilevers: Their Economics Proportions and Limiting SpansThe term economic span will be used to designate the span at which the cost of a bridge would exceed the cap italized value of its usefulness to the builders. Although this is a problem of great practical significance, it does not lend itself to accurate treatment in any general manner owing to the large possible variations in local conditions, such as the magnitude and financial im portance of the traffic expected, the cost of real estate for land spans and approaches, and the difficulty encountered in locating suitable foundations. By adopting the most favorable assumptions for these varying conditions, a maximum value for the economic span may be established.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.